struct web_client *web_clients = NULL;
unsigned long long web_clients_count = 0;
-inline int web_client_crock_socket(struct web_client *w) {
+static inline int web_client_crock_socket(struct web_client *w) {
#ifdef TCP_CORK
- if(likely(!w->tcp_cork && w->ofd != -1)) {
- w->tcp_cork = 1;
- if(unlikely(setsockopt(w->ofd, IPPROTO_TCP, TCP_CORK, (char *) &w->tcp_cork, sizeof(int)) != 0)) {
- error("%llu: failed to enable TCP_CORK on socket.", w->id);
- w->tcp_cork = 0;
- return -1;
- }
- }
+ if(likely(!w->tcp_cork && w->ofd != -1)) {
+ w->tcp_cork = 1;
+ if(unlikely(setsockopt(w->ofd, IPPROTO_TCP, TCP_CORK, (char *) &w->tcp_cork, sizeof(int)) != 0)) {
+ error("%llu: failed to enable TCP_CORK on socket.", w->id);
+ w->tcp_cork = 0;
+ return -1;
+ }
+ }
#endif /* TCP_CORK */
- return 0;
+ return 0;
}
-inline int web_client_uncrock_socket(struct web_client *w) {
+static inline int web_client_uncrock_socket(struct web_client *w) {
#ifdef TCP_CORK
- if(likely(w->tcp_cork && w->ofd != -1)) {
- w->tcp_cork = 0;
- if(unlikely(setsockopt(w->ofd, IPPROTO_TCP, TCP_CORK, (char *) &w->tcp_cork, sizeof(int)) != 0)) {
- error("%llu: failed to disable TCP_CORK on socket.", w->id);
- w->tcp_cork = 1;
- return -1;
- }
- }
+ if(likely(w->tcp_cork && w->ofd != -1)) {
+ w->tcp_cork = 0;
+ if(unlikely(setsockopt(w->ofd, IPPROTO_TCP, TCP_CORK, (char *) &w->tcp_cork, sizeof(int)) != 0)) {
+ error("%llu: failed to disable TCP_CORK on socket.", w->id);
+ w->tcp_cork = 1;
+ return -1;
+ }
+ }
#endif /* TCP_CORK */
- return 0;
+ return 0;
}
struct web_client *web_client_create(int listener)
{
- struct web_client *w;
-
- w = callocz(1, sizeof(struct web_client));
- w->id = ++web_clients_count;
- w->mode = WEB_CLIENT_MODE_NORMAL;
-
- {
- struct sockaddr *sadr;
- socklen_t addrlen;
-
- sadr = (struct sockaddr*) &w->clientaddr;
- addrlen = sizeof(w->clientaddr);
-
- w->ifd = accept4(listener, sadr, &addrlen, SOCK_NONBLOCK);
- if (w->ifd == -1) {
- error("%llu: Cannot accept new incoming connection.", w->id);
- freez(w);
- return NULL;
- }
- w->ofd = w->ifd;
-
- if(getnameinfo(sadr, addrlen, w->client_ip, NI_MAXHOST, w->client_port, NI_MAXSERV, NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
- error("Cannot getnameinfo() on received client connection.");
- strncpyz(w->client_ip, "UNKNOWN", NI_MAXHOST);
- strncpyz(w->client_port, "UNKNOWN", NI_MAXSERV);
- }
- w->client_ip[NI_MAXHOST] = '\0';
- w->client_port[NI_MAXSERV] = '\0';
-
- switch(sadr->sa_family) {
- case AF_INET:
- debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
- break;
-
- case AF_INET6:
- if(strncmp(w->client_ip, "::ffff:", 7) == 0) {
- memmove(w->client_ip, &w->client_ip[7], strlen(&w->client_ip[7]) + 1);
- debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
- }
- else
- debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv6 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
- break;
-
- default:
- debug(D_WEB_CLIENT_ACCESS, "%llu: New UNKNOWN web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
- break;
- }
-
- int flag = 1;
- if(setsockopt(w->ofd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int)) != 0)
- error("%llu: failed to enable TCP_NODELAY on socket.", w->id);
-
- flag = 1;
- if(setsockopt(w->ifd, SOL_SOCKET, SO_KEEPALIVE, (char *) &flag, sizeof(int)) != 0)
- error("%llu: Cannot set SO_KEEPALIVE on socket.", w->id);
- }
-
- w->response.data = buffer_create(INITIAL_WEB_DATA_LENGTH);
- w->response.header = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
- w->response.header_output = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
- w->origin[0] = '*';
- w->wait_receive = 1;
-
- if(web_clients) web_clients->prev = w;
- w->next = web_clients;
- web_clients = w;
+ struct web_client *w;
+
+ w = callocz(1, sizeof(struct web_client));
+ w->id = ++web_clients_count;
+ w->mode = WEB_CLIENT_MODE_NORMAL;
+
+ {
+ struct sockaddr *sadr;
+ socklen_t addrlen;
+
+ sadr = (struct sockaddr*) &w->clientaddr;
+ addrlen = sizeof(w->clientaddr);
+
+ w->ifd = accept4(listener, sadr, &addrlen, SOCK_NONBLOCK);
+ if (w->ifd == -1) {
+ error("%llu: Cannot accept new incoming connection.", w->id);
+ freez(w);
+ return NULL;
+ }
+ w->ofd = w->ifd;
+
+ if(getnameinfo(sadr, addrlen, w->client_ip, NI_MAXHOST, w->client_port, NI_MAXSERV, NI_NUMERICHOST | NI_NUMERICSERV) != 0) {
+ error("Cannot getnameinfo() on received client connection.");
+ strncpyz(w->client_ip, "UNKNOWN", NI_MAXHOST);
+ strncpyz(w->client_port, "UNKNOWN", NI_MAXSERV);
+ }
+ w->client_ip[NI_MAXHOST] = '\0';
+ w->client_port[NI_MAXSERV] = '\0';
+
+ switch(sadr->sa_family) {
+ case AF_INET:
+ debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+ break;
+
+ case AF_INET6:
+ if(strncmp(w->client_ip, "::ffff:", 7) == 0) {
+ memmove(w->client_ip, &w->client_ip[7], strlen(&w->client_ip[7]) + 1);
+ debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv4 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+ }
+ else
+ debug(D_WEB_CLIENT_ACCESS, "%llu: New IPv6 web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+ break;
+
+ default:
+ debug(D_WEB_CLIENT_ACCESS, "%llu: New UNKNOWN web client from %s port %s on socket %d.", w->id, w->client_ip, w->client_port, w->ifd);
+ break;
+ }
+
+ int flag = 1;
+ if(setsockopt(w->ofd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int)) != 0)
+ error("%llu: failed to enable TCP_NODELAY on socket.", w->id);
+
+ flag = 1;
+ if(setsockopt(w->ifd, SOL_SOCKET, SO_KEEPALIVE, (char *) &flag, sizeof(int)) != 0)
+ error("%llu: Cannot set SO_KEEPALIVE on socket.", w->id);
+ }
+
+ w->response.data = buffer_create(INITIAL_WEB_DATA_LENGTH);
+ w->response.header = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
+ w->response.header_output = buffer_create(HTTP_RESPONSE_HEADER_SIZE);
+ w->origin[0] = '*';
+ w->wait_receive = 1;
+
+ if(web_clients) web_clients->prev = w;
+ w->next = web_clients;
+ web_clients = w;
web_client_connected();
- return(w);
+ return(w);
}
void web_client_reset(struct web_client *w) {
- web_client_uncrock_socket(w);
+ web_client_uncrock_socket(w);
- debug(D_WEB_CLIENT, "%llu: Reseting client.", w->id);
+ debug(D_WEB_CLIENT, "%llu: Resetting client.", w->id);
- if(likely(w->last_url[0])) {
- struct timeval tv;
- gettimeofday(&tv, NULL);
+ if(likely(w->last_url[0])) {
+ struct timeval tv;
+ now_realtime_timeval(&tv);
- size_t size = (w->mode == WEB_CLIENT_MODE_FILECOPY)?w->response.rlen:w->response.data->len;
- size_t sent = size;
+ size_t size = (w->mode == WEB_CLIENT_MODE_FILECOPY)?w->response.rlen:w->response.data->len;
+ size_t sent = size;
#ifdef NETDATA_WITH_ZLIB
- if(likely(w->response.zoutput)) sent = (size_t)w->response.zstream.total_out;
+ if(likely(w->response.zoutput)) sent = (size_t)w->response.zstream.total_out;
#endif
- // --------------------------------------------------------------------
- // global statistics
+ // --------------------------------------------------------------------
+ // global statistics
- finished_web_request_statistics(usec_dt(&tv, &w->tv_in),
+ finished_web_request_statistics(dt_usec(&tv, &w->tv_in),
w->stats_received_bytes,
w->stats_sent_bytes,
size,
sent);
- w->stats_received_bytes = 0;
- w->stats_sent_bytes = 0;
-
-
- // --------------------------------------------------------------------
- // access log
-
- log_access("%llu: (sent/all = %zu/%zu bytes %0.0f%%, prep/sent/total = %0.2f/%0.2f/%0.2f ms) %s: %d '%s'",
- w->id,
- sent, size, -((size > 0) ? ((size - sent) / (double) size * 100.0) : 0.0),
- usec_dt(&w->tv_ready, &w->tv_in) / 1000.0,
- usec_dt(&tv, &w->tv_ready) / 1000.0,
- usec_dt(&tv, &w->tv_in) / 1000.0,
- (w->mode == WEB_CLIENT_MODE_FILECOPY) ? "filecopy" : ((w->mode == WEB_CLIENT_MODE_OPTIONS)
- ? "options" : "data"),
- w->response.code,
- w->last_url
- );
- }
-
- if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY)) {
- if(w->ifd != w->ofd) {
- debug(D_WEB_CLIENT, "%llu: Closing filecopy input file descriptor %d.", w->id, w->ifd);
- if(w->ifd != -1) close(w->ifd);
- w->ifd = w->ofd;
- }
- }
-
- w->last_url[0] = '\0';
- w->cookie1[0] = '\0';
- w->cookie2[0] = '\0';
- w->origin[0] = '*';
- w->origin[1] = '\0';
-
- w->mode = WEB_CLIENT_MODE_NORMAL;
-
- w->tcp_cork = 0;
- w->donottrack = 0;
- w->tracking_required = 0;
- w->keepalive = 0;
- w->decoded_url[0] = '\0';
-
- buffer_reset(w->response.header_output);
- buffer_reset(w->response.header);
- buffer_reset(w->response.data);
- w->response.rlen = 0;
- w->response.sent = 0;
- w->response.code = 0;
-
- w->wait_receive = 1;
- w->wait_send = 0;
-
- w->response.zoutput = 0;
-
- // if we had enabled compression, release it
+ w->stats_received_bytes = 0;
+ w->stats_sent_bytes = 0;
+
+
+ // --------------------------------------------------------------------
+ // access log
+
+ log_access("%llu: (sent/all = %zu/%zu bytes %0.0f%%, prep/sent/total = %0.2f/%0.2f/%0.2f ms) %s: %d '%s'",
+ w->id,
+ sent, size, -((size > 0) ? ((size - sent) / (double) size * 100.0) : 0.0),
+ dt_usec(&w->tv_ready, &w->tv_in) / 1000.0,
+ dt_usec(&tv, &w->tv_ready) / 1000.0,
+ dt_usec(&tv, &w->tv_in) / 1000.0,
+ (w->mode == WEB_CLIENT_MODE_FILECOPY) ? "filecopy" : ((w->mode == WEB_CLIENT_MODE_OPTIONS)
+ ? "options" : "data"),
+ w->response.code,
+ w->last_url
+ );
+ }
+
+ if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY)) {
+ if(w->ifd != w->ofd) {
+ debug(D_WEB_CLIENT, "%llu: Closing filecopy input file descriptor %d.", w->id, w->ifd);
+ if(w->ifd != -1) close(w->ifd);
+ w->ifd = w->ofd;
+ }
+ }
+
+ w->last_url[0] = '\0';
+ w->cookie1[0] = '\0';
+ w->cookie2[0] = '\0';
+ w->origin[0] = '*';
+ w->origin[1] = '\0';
+
+ w->mode = WEB_CLIENT_MODE_NORMAL;
+
+ w->tcp_cork = 0;
+ w->donottrack = 0;
+ w->tracking_required = 0;
+ w->keepalive = 0;
+ w->decoded_url[0] = '\0';
+
+ buffer_reset(w->response.header_output);
+ buffer_reset(w->response.header);
+ buffer_reset(w->response.data);
+ w->response.rlen = 0;
+ w->response.sent = 0;
+ w->response.code = 0;
+
+ w->wait_receive = 1;
+ w->wait_send = 0;
+
+ w->response.zoutput = 0;
+
+ // if we had enabled compression, release it
#ifdef NETDATA_WITH_ZLIB
- if(w->response.zinitialized) {
- debug(D_DEFLATE, "%llu: Freeing compression resources.", w->id);
- deflateEnd(&w->response.zstream);
- w->response.zsent = 0;
- w->response.zhave = 0;
- w->response.zstream.avail_in = 0;
- w->response.zstream.avail_out = 0;
- w->response.zstream.total_in = 0;
- w->response.zstream.total_out = 0;
- w->response.zinitialized = 0;
- }
+ if(w->response.zinitialized) {
+ debug(D_DEFLATE, "%llu: Freeing compression resources.", w->id);
+ deflateEnd(&w->response.zstream);
+ w->response.zsent = 0;
+ w->response.zhave = 0;
+ w->response.zstream.avail_in = 0;
+ w->response.zstream.avail_out = 0;
+ w->response.zstream.total_in = 0;
+ w->response.zstream.total_out = 0;
+ w->response.zinitialized = 0;
+ }
#endif // NETDATA_WITH_ZLIB
}
struct web_client *web_client_free(struct web_client *w) {
- web_client_reset(w);
+ web_client_reset(w);
- struct web_client *n = w->next;
- if(w == web_clients) web_clients = n;
+ struct web_client *n = w->next;
+ if(w == web_clients) web_clients = n;
- debug(D_WEB_CLIENT_ACCESS, "%llu: Closing web client from %s port %s.", w->id, w->client_ip, w->client_port);
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Closing web client from %s port %s.", w->id, w->client_ip, w->client_port);
- if(w->prev) w->prev->next = w->next;
- if(w->next) w->next->prev = w->prev;
- if(w->response.header_output) buffer_free(w->response.header_output);
- if(w->response.header) buffer_free(w->response.header);
- if(w->response.data) buffer_free(w->response.data);
- if(w->ifd != -1) close(w->ifd);
- if(w->ofd != -1 && w->ofd != w->ifd) close(w->ofd);
- freez(w);
+ if(w->prev) w->prev->next = w->next;
+ if(w->next) w->next->prev = w->prev;
+ if(w->response.header_output) buffer_free(w->response.header_output);
+ if(w->response.header) buffer_free(w->response.header);
+ if(w->response.data) buffer_free(w->response.data);
+ if(w->ifd != -1) close(w->ifd);
+ if(w->ofd != -1 && w->ofd != w->ifd) close(w->ofd);
+ freez(w);
web_client_disconnected();
- return(n);
+ return(n);
}
uid_t web_files_uid(void) {
- static char *web_owner = NULL;
- static uid_t owner_uid = 0;
-
- if(unlikely(!web_owner)) {
- web_owner = config_get("global", "web files owner", config_get("global", "run as user", ""));
- if(!web_owner || !*web_owner)
- owner_uid = geteuid();
- else {
- // getpwnam() is not thread safe,
- // but we have called this function once
- // while single threaded
- struct passwd *pw = getpwnam(web_owner);
- if(!pw) {
- error("User '%s' is not present. Ignoring option.", web_owner);
- owner_uid = geteuid();
- }
- else {
- debug(D_WEB_CLIENT, "Web files owner set to %s.", web_owner);
- owner_uid = pw->pw_uid;
- }
- }
- }
-
- return(owner_uid);
+ static char *web_owner = NULL;
+ static uid_t owner_uid = 0;
+
+ if(unlikely(!web_owner)) {
+ web_owner = config_get("global", "web files owner", config_get("global", "run as user", ""));
+ if(!web_owner || !*web_owner)
+ owner_uid = geteuid();
+ else {
+ // getpwnam() is not thread safe,
+ // but we have called this function once
+ // while single threaded
+ struct passwd *pw = getpwnam(web_owner);
+ if(!pw) {
+ error("User '%s' is not present. Ignoring option.", web_owner);
+ owner_uid = geteuid();
+ }
+ else {
+ debug(D_WEB_CLIENT, "Web files owner set to %s.", web_owner);
+ owner_uid = pw->pw_uid;
+ }
+ }
+ }
+
+ return(owner_uid);
}
gid_t web_files_gid(void) {
- static char *web_group = NULL;
- static gid_t owner_gid = 0;
-
- if(unlikely(!web_group)) {
- web_group = config_get("global", "web files group", config_get("global", "web files owner", ""));
- if(!web_group || !*web_group)
- owner_gid = getegid();
- else {
- // getgrnam() is not thread safe,
- // but we have called this function once
- // while single threaded
- struct group *gr = getgrnam(web_group);
- if(!gr) {
- error("Group '%s' is not present. Ignoring option.", web_group);
- owner_gid = getegid();
- }
- else {
- debug(D_WEB_CLIENT, "Web files group set to %s.", web_group);
- owner_gid = gr->gr_gid;
- }
- }
- }
-
- return(owner_gid);
+ static char *web_group = NULL;
+ static gid_t owner_gid = 0;
+
+ if(unlikely(!web_group)) {
+ web_group = config_get("global", "web files group", config_get("global", "web files owner", ""));
+ if(!web_group || !*web_group)
+ owner_gid = getegid();
+ else {
+ // getgrnam() is not thread safe,
+ // but we have called this function once
+ // while single threaded
+ struct group *gr = getgrnam(web_group);
+ if(!gr) {
+ error("Group '%s' is not present. Ignoring option.", web_group);
+ owner_gid = getegid();
+ }
+ else {
+ debug(D_WEB_CLIENT, "Web files group set to %s.", web_group);
+ owner_gid = gr->gr_gid;
+ }
+ }
+ }
+
+ return(owner_gid);
}
int mysendfile(struct web_client *w, char *filename)
{
- static char *web_dir = NULL;
-
- // initialize our static data
- if(unlikely(!web_dir)) web_dir = config_get("global", "web files directory", WEB_DIR);
-
- debug(D_WEB_CLIENT, "%llu: Looking for file '%s/%s'", w->id, web_dir, filename);
-
- // skip leading slashes
- while (*filename == '/') filename++;
-
- // if the filename contain known paths, skip them
- if(strncmp(filename, WEB_PATH_FILE "/", strlen(WEB_PATH_FILE) + 1) == 0)
- filename = &filename[strlen(WEB_PATH_FILE) + 1];
-
- char *s;
- for(s = filename; *s ;s++) {
- if( !isalnum(*s) && *s != '/' && *s != '.' && *s != '-' && *s != '_') {
- debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
- buffer_sprintf(w->response.data, "File '%s' cannot be served. Filename contains invalid character '%c'", filename, *s);
- return 400;
- }
- }
-
- // if the filename contains a .. refuse to serve it
- if(strstr(filename, "..") != 0) {
- debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
- buffer_sprintf(w->response.data, "File '%s' cannot be served. Relative filenames with '..' in them are not supported.", filename);
- return 400;
- }
-
- // access the file
- char webfilename[FILENAME_MAX + 1];
- snprintfz(webfilename, FILENAME_MAX, "%s/%s", web_dir, filename);
-
- // check if the file exists
- struct stat stat;
- if(lstat(webfilename, &stat) != 0) {
- debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not found.", w->id, webfilename);
- buffer_sprintf(w->response.data, "File '%s' does not exist, or is not accessible.", webfilename);
- return 404;
- }
-
- // check if the file is owned by expected user
- if(stat.st_uid != web_files_uid()) {
- error("%llu: File '%s' is owned by user %u (expected user %u). Access Denied.", w->id, webfilename, stat.st_uid, web_files_uid());
- buffer_sprintf(w->response.data, "Access to file '%s' is not permitted.", webfilename);
- return 403;
- }
-
- // check if the file is owned by expected group
- if(stat.st_gid != web_files_gid()) {
- error("%llu: File '%s' is owned by group %u (expected group %u). Access Denied.", w->id, webfilename, stat.st_gid, web_files_gid());
- buffer_sprintf(w->response.data, "Access to file '%s' is not permitted.", webfilename);
- return 403;
- }
-
- if((stat.st_mode & S_IFMT) == S_IFDIR) {
- snprintfz(webfilename, FILENAME_MAX, "%s/index.html", filename);
- return mysendfile(w, webfilename);
- }
-
- if((stat.st_mode & S_IFMT) != S_IFREG) {
- error("%llu: File '%s' is not a regular file. Access Denied.", w->id, webfilename);
- buffer_sprintf(w->response.data, "Access to file '%s' is not permitted.", webfilename);
- return 403;
- }
-
- // open the file
- w->ifd = open(webfilename, O_NONBLOCK, O_RDONLY);
- if(w->ifd == -1) {
- w->ifd = w->ofd;
-
- if(errno == EBUSY || errno == EAGAIN) {
- error("%llu: File '%s' is busy, sending 307 Moved Temporarily to force retry.", w->id, webfilename);
- buffer_sprintf(w->response.header, "Location: /" WEB_PATH_FILE "/%s\r\n", filename);
- buffer_sprintf(w->response.data, "The file '%s' is currently busy. Please try again later.", webfilename);
- return 307;
- }
- else {
- error("%llu: Cannot open file '%s'.", w->id, webfilename);
- buffer_sprintf(w->response.data, "Cannot open file '%s'.", webfilename);
- return 404;
- }
- }
- if(fcntl(w->ifd, F_SETFL, O_NONBLOCK) < 0)
- error("%llu: Cannot set O_NONBLOCK on file '%s'.", w->id, webfilename);
-
- // pick a Content-Type for the file
- if(strstr(filename, ".html") != NULL) w->response.data->contenttype = CT_TEXT_HTML;
- else if(strstr(filename, ".js") != NULL) w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
- else if(strstr(filename, ".css") != NULL) w->response.data->contenttype = CT_TEXT_CSS;
- else if(strstr(filename, ".xml") != NULL) w->response.data->contenttype = CT_TEXT_XML;
- else if(strstr(filename, ".xsl") != NULL) w->response.data->contenttype = CT_TEXT_XSL;
- else if(strstr(filename, ".txt") != NULL) w->response.data->contenttype = CT_TEXT_PLAIN;
- else if(strstr(filename, ".svg") != NULL) w->response.data->contenttype = CT_IMAGE_SVG_XML;
- else if(strstr(filename, ".ttf") != NULL) w->response.data->contenttype = CT_APPLICATION_X_FONT_TRUETYPE;
- else if(strstr(filename, ".otf") != NULL) w->response.data->contenttype = CT_APPLICATION_X_FONT_OPENTYPE;
- else if(strstr(filename, ".woff2")!= NULL) w->response.data->contenttype = CT_APPLICATION_FONT_WOFF2;
- else if(strstr(filename, ".woff") != NULL) w->response.data->contenttype = CT_APPLICATION_FONT_WOFF;
- else if(strstr(filename, ".eot") != NULL) w->response.data->contenttype = CT_APPLICATION_VND_MS_FONTOBJ;
- else if(strstr(filename, ".png") != NULL) w->response.data->contenttype = CT_IMAGE_PNG;
- else if(strstr(filename, ".jpg") != NULL) w->response.data->contenttype = CT_IMAGE_JPG;
- else if(strstr(filename, ".jpeg") != NULL) w->response.data->contenttype = CT_IMAGE_JPG;
- else if(strstr(filename, ".gif") != NULL) w->response.data->contenttype = CT_IMAGE_GIF;
- else if(strstr(filename, ".bmp") != NULL) w->response.data->contenttype = CT_IMAGE_BMP;
- else if(strstr(filename, ".ico") != NULL) w->response.data->contenttype = CT_IMAGE_XICON;
- else if(strstr(filename, ".icns") != NULL) w->response.data->contenttype = CT_IMAGE_ICNS;
- else w->response.data->contenttype = CT_APPLICATION_OCTET_STREAM;
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending file '%s' (%ld bytes, ifd %d, ofd %d).", w->id, webfilename, stat.st_size, w->ifd, w->ofd);
-
- w->mode = WEB_CLIENT_MODE_FILECOPY;
- w->wait_receive = 1;
- w->wait_send = 0;
- buffer_flush(w->response.data);
- w->response.rlen = stat.st_size;
- w->response.data->date = stat.st_mtim.tv_sec;
-
- return 200;
+ static char *web_dir = NULL;
+
+ // initialize our static data
+ if(unlikely(!web_dir)) web_dir = config_get("global", "web files directory", WEB_DIR);
+
+ debug(D_WEB_CLIENT, "%llu: Looking for file '%s/%s'", w->id, web_dir, filename);
+
+ // skip leading slashes
+ while (*filename == '/') filename++;
+
+ // if the filename contain known paths, skip them
+ if(strncmp(filename, WEB_PATH_FILE "/", strlen(WEB_PATH_FILE) + 1) == 0)
+ filename = &filename[strlen(WEB_PATH_FILE) + 1];
+
+ char *s;
+ for(s = filename; *s ;s++) {
+ if( !isalnum(*s) && *s != '/' && *s != '.' && *s != '-' && *s != '_') {
+ debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
+ buffer_sprintf(w->response.data, "Filename contains invalid characters: ");
+ buffer_strcat_htmlescape(w->response.data, filename);
+ return 400;
+ }
+ }
+
+ // if the filename contains a .. refuse to serve it
+ if(strstr(filename, "..") != 0) {
+ debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not acceptable.", w->id, filename);
+ buffer_strcat(w->response.data, "Relative filenames are not supported: ");
+ buffer_strcat_htmlescape(w->response.data, filename);
+ return 400;
+ }
+
+ // access the file
+ char webfilename[FILENAME_MAX + 1];
+ snprintfz(webfilename, FILENAME_MAX, "%s/%s", web_dir, filename);
+
+ // check if the file exists
+ struct stat stat;
+ if(lstat(webfilename, &stat) != 0) {
+ debug(D_WEB_CLIENT_ACCESS, "%llu: File '%s' is not found.", w->id, webfilename);
+ buffer_strcat(w->response.data, "File does not exist, or is not accessible: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 404;
+ }
+
+ // check if the file is owned by expected user
+ if(stat.st_uid != web_files_uid()) {
+ error("%llu: File '%s' is owned by user %u (expected user %u). Access Denied.", w->id, webfilename, stat.st_uid, web_files_uid());
+ buffer_strcat(w->response.data, "Access to file is not permitted: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 403;
+ }
+
+ // check if the file is owned by expected group
+ if(stat.st_gid != web_files_gid()) {
+ error("%llu: File '%s' is owned by group %u (expected group %u). Access Denied.", w->id, webfilename, stat.st_gid, web_files_gid());
+ buffer_strcat(w->response.data, "Access to file is not permitted: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 403;
+ }
+
+ if((stat.st_mode & S_IFMT) == S_IFDIR) {
+ snprintfz(webfilename, FILENAME_MAX, "%s/index.html", filename);
+ return mysendfile(w, webfilename);
+ }
+
+ if((stat.st_mode & S_IFMT) != S_IFREG) {
+ error("%llu: File '%s' is not a regular file. Access Denied.", w->id, webfilename);
+ buffer_strcat(w->response.data, "Access to file is not permitted: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 403;
+ }
+
+ // open the file
+ w->ifd = open(webfilename, O_NONBLOCK, O_RDONLY);
+ if(w->ifd == -1) {
+ w->ifd = w->ofd;
+
+ if(errno == EBUSY || errno == EAGAIN) {
+ error("%llu: File '%s' is busy, sending 307 Moved Temporarily to force retry.", w->id, webfilename);
+ buffer_sprintf(w->response.header, "Location: /" WEB_PATH_FILE "/%s\r\n", filename);
+ buffer_strcat(w->response.data, "File is currently busy, please try again later: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 307;
+ }
+ else {
+ error("%llu: Cannot open file '%s'.", w->id, webfilename);
+ buffer_strcat(w->response.data, "Cannot open file: ");
+ buffer_strcat_htmlescape(w->response.data, webfilename);
+ return 404;
+ }
+ }
+ if(fcntl(w->ifd, F_SETFL, O_NONBLOCK) < 0)
+ error("%llu: Cannot set O_NONBLOCK on file '%s'.", w->id, webfilename);
+
+ // pick a Content-Type for the file
+ if(strstr(filename, ".html") != NULL) w->response.data->contenttype = CT_TEXT_HTML;
+ else if(strstr(filename, ".js") != NULL) w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+ else if(strstr(filename, ".css") != NULL) w->response.data->contenttype = CT_TEXT_CSS;
+ else if(strstr(filename, ".xml") != NULL) w->response.data->contenttype = CT_TEXT_XML;
+ else if(strstr(filename, ".xsl") != NULL) w->response.data->contenttype = CT_TEXT_XSL;
+ else if(strstr(filename, ".txt") != NULL) w->response.data->contenttype = CT_TEXT_PLAIN;
+ else if(strstr(filename, ".svg") != NULL) w->response.data->contenttype = CT_IMAGE_SVG_XML;
+ else if(strstr(filename, ".ttf") != NULL) w->response.data->contenttype = CT_APPLICATION_X_FONT_TRUETYPE;
+ else if(strstr(filename, ".otf") != NULL) w->response.data->contenttype = CT_APPLICATION_X_FONT_OPENTYPE;
+ else if(strstr(filename, ".woff2")!= NULL) w->response.data->contenttype = CT_APPLICATION_FONT_WOFF2;
+ else if(strstr(filename, ".woff") != NULL) w->response.data->contenttype = CT_APPLICATION_FONT_WOFF;
+ else if(strstr(filename, ".eot") != NULL) w->response.data->contenttype = CT_APPLICATION_VND_MS_FONTOBJ;
+ else if(strstr(filename, ".png") != NULL) w->response.data->contenttype = CT_IMAGE_PNG;
+ else if(strstr(filename, ".jpg") != NULL) w->response.data->contenttype = CT_IMAGE_JPG;
+ else if(strstr(filename, ".jpeg") != NULL) w->response.data->contenttype = CT_IMAGE_JPG;
+ else if(strstr(filename, ".gif") != NULL) w->response.data->contenttype = CT_IMAGE_GIF;
+ else if(strstr(filename, ".bmp") != NULL) w->response.data->contenttype = CT_IMAGE_BMP;
+ else if(strstr(filename, ".ico") != NULL) w->response.data->contenttype = CT_IMAGE_XICON;
+ else if(strstr(filename, ".icns") != NULL) w->response.data->contenttype = CT_IMAGE_ICNS;
+ else w->response.data->contenttype = CT_APPLICATION_OCTET_STREAM;
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending file '%s' (%ld bytes, ifd %d, ofd %d).", w->id, webfilename, stat.st_size, w->ifd, w->ofd);
+
+ w->mode = WEB_CLIENT_MODE_FILECOPY;
+ w->wait_receive = 1;
+ w->wait_send = 0;
+ buffer_flush(w->response.data);
+ w->response.rlen = stat.st_size;
+#ifdef __APPLE__
+ w->response.data->date = stat.st_mtimespec.tv_sec;
+#else
+ w->response.data->date = stat.st_mtim.tv_sec;
+#endif /* __APPLE__ */
+ buffer_cacheable(w->response.data);
+
+ return 200;
}
#ifdef NETDATA_WITH_ZLIB
void web_client_enable_deflate(struct web_client *w, int gzip) {
- if(unlikely(w->response.zinitialized)) {
- error("%llu: Compression has already be initialized for this client.", w->id);
- return;
- }
-
- if(unlikely(w->response.sent)) {
- error("%llu: Cannot enable compression in the middle of a conversation.", w->id);
- return;
- }
-
- w->response.zstream.zalloc = Z_NULL;
- w->response.zstream.zfree = Z_NULL;
- w->response.zstream.opaque = Z_NULL;
-
- w->response.zstream.next_in = (Bytef *)w->response.data->buffer;
- w->response.zstream.avail_in = 0;
- w->response.zstream.total_in = 0;
-
- w->response.zstream.next_out = w->response.zbuffer;
- w->response.zstream.avail_out = 0;
- w->response.zstream.total_out = 0;
-
- w->response.zstream.zalloc = Z_NULL;
- w->response.zstream.zfree = Z_NULL;
- w->response.zstream.opaque = Z_NULL;
-
-// if(deflateInit(&w->response.zstream, Z_DEFAULT_COMPRESSION) != Z_OK) {
-// error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
-// return;
-// }
-
- // Select GZIP compression: windowbits = 15 + 16 = 31
- if(deflateInit2(&w->response.zstream, web_gzip_level, Z_DEFLATED, 15 + ((gzip)?16:0), 8, web_gzip_strategy) != Z_OK) {
- error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
- return;
- }
-
- w->response.zsent = 0;
- w->response.zoutput = 1;
- w->response.zinitialized = 1;
-
- debug(D_DEFLATE, "%llu: Initialized compression.", w->id);
+ if(unlikely(w->response.zinitialized)) {
+ debug(D_DEFLATE, "%llu: Compression has already be initialized for this client.", w->id);
+ return;
+ }
+
+ if(unlikely(w->response.sent)) {
+ error("%llu: Cannot enable compression in the middle of a conversation.", w->id);
+ return;
+ }
+
+ w->response.zstream.zalloc = Z_NULL;
+ w->response.zstream.zfree = Z_NULL;
+ w->response.zstream.opaque = Z_NULL;
+
+ w->response.zstream.next_in = (Bytef *)w->response.data->buffer;
+ w->response.zstream.avail_in = 0;
+ w->response.zstream.total_in = 0;
+
+ w->response.zstream.next_out = w->response.zbuffer;
+ w->response.zstream.avail_out = 0;
+ w->response.zstream.total_out = 0;
+
+ w->response.zstream.zalloc = Z_NULL;
+ w->response.zstream.zfree = Z_NULL;
+ w->response.zstream.opaque = Z_NULL;
+
+// if(deflateInit(&w->response.zstream, Z_DEFAULT_COMPRESSION) != Z_OK) {
+// error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
+// return;
+// }
+
+ // Select GZIP compression: windowbits = 15 + 16 = 31
+ if(deflateInit2(&w->response.zstream, web_gzip_level, Z_DEFLATED, 15 + ((gzip)?16:0), 8, web_gzip_strategy) != Z_OK) {
+ error("%llu: Failed to initialize zlib. Proceeding without compression.", w->id);
+ return;
+ }
+
+ w->response.zsent = 0;
+ w->response.zoutput = 1;
+ w->response.zinitialized = 1;
+
+ debug(D_DEFLATE, "%llu: Initialized compression.", w->id);
}
#endif // NETDATA_WITH_ZLIB
+void buffer_data_options2string(BUFFER *wb, uint32_t options) {
+ int count = 0;
+
+ if(options & RRDR_OPTION_NONZERO) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "nonzero");
+ }
+
+ if(options & RRDR_OPTION_REVERSED) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "flip");
+ }
+
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "jsonwrap");
+ }
+
+ if(options & RRDR_OPTION_MIN2MAX) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "min2max");
+ }
+
+ if(options & RRDR_OPTION_MILLISECONDS) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "ms");
+ }
+
+ if(options & RRDR_OPTION_ABSOLUTE) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "absolute");
+ }
+
+ if(options & RRDR_OPTION_SECONDS) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "seconds");
+ }
+
+ if(options & RRDR_OPTION_NULL2ZERO) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "null2zero");
+ }
+
+ if(options & RRDR_OPTION_OBJECTSROWS) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "objectrows");
+ }
+
+ if(options & RRDR_OPTION_GOOGLE_JSON) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "google_json");
+ }
+
+ if(options & RRDR_OPTION_PERCENTAGE) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "percentage");
+ }
+
+ if(options & RRDR_OPTION_NOT_ALIGNED) {
+ if(count++) buffer_strcat(wb, " ");
+ buffer_strcat(wb, "unaligned");
+ }
+}
+
uint32_t web_client_api_request_v1_data_options(char *o)
{
- uint32_t ret = 0x00000000;
- char *tok;
-
- while(o && *o && (tok = mystrsep(&o, ", |"))) {
- if(!*tok) continue;
-
- if(!strcmp(tok, "nonzero"))
- ret |= RRDR_OPTION_NONZERO;
- else if(!strcmp(tok, "flip") || !strcmp(tok, "reversed") || !strcmp(tok, "reverse"))
- ret |= RRDR_OPTION_REVERSED;
- else if(!strcmp(tok, "jsonwrap"))
- ret |= RRDR_OPTION_JSON_WRAP;
- else if(!strcmp(tok, "min2max"))
- ret |= RRDR_OPTION_MIN2MAX;
- else if(!strcmp(tok, "ms") || !strcmp(tok, "milliseconds"))
- ret |= RRDR_OPTION_MILLISECONDS;
- else if(!strcmp(tok, "abs") || !strcmp(tok, "absolute") || !strcmp(tok, "absolute_sum") || !strcmp(tok, "absolute-sum"))
- ret |= RRDR_OPTION_ABSOLUTE;
- else if(!strcmp(tok, "seconds"))
- ret |= RRDR_OPTION_SECONDS;
- else if(!strcmp(tok, "null2zero"))
- ret |= RRDR_OPTION_NULL2ZERO;
- else if(!strcmp(tok, "objectrows"))
- ret |= RRDR_OPTION_OBJECTSROWS;
- else if(!strcmp(tok, "google_json"))
- ret |= RRDR_OPTION_GOOGLE_JSON;
- else if(!strcmp(tok, "percentage"))
- ret |= RRDR_OPTION_PERCENTAGE;
- else if(!strcmp(tok, "unaligned"))
- ret |= RRDR_OPTION_NOT_ALIGNED;
- }
-
- return ret;
+ uint32_t ret = 0x00000000;
+ char *tok;
+
+ while(o && *o && (tok = mystrsep(&o, ", |"))) {
+ if(!*tok) continue;
+
+ if(!strsame(tok, "nonzero"))
+ ret |= RRDR_OPTION_NONZERO;
+ else if(!strsame(tok, "flip") || !strsame(tok, "reversed") || !strsame(tok, "reverse"))
+ ret |= RRDR_OPTION_REVERSED;
+ else if(!strsame(tok, "jsonwrap"))
+ ret |= RRDR_OPTION_JSON_WRAP;
+ else if(!strsame(tok, "min2max"))
+ ret |= RRDR_OPTION_MIN2MAX;
+ else if(!strsame(tok, "ms") || !strsame(tok, "milliseconds"))
+ ret |= RRDR_OPTION_MILLISECONDS;
+ else if(!strsame(tok, "abs") || !strsame(tok, "absolute") || !strsame(tok, "absolute_sum") || !strsame(tok, "absolute-sum"))
+ ret |= RRDR_OPTION_ABSOLUTE;
+ else if(!strsame(tok, "seconds"))
+ ret |= RRDR_OPTION_SECONDS;
+ else if(!strsame(tok, "null2zero"))
+ ret |= RRDR_OPTION_NULL2ZERO;
+ else if(!strsame(tok, "objectrows"))
+ ret |= RRDR_OPTION_OBJECTSROWS;
+ else if(!strsame(tok, "google_json"))
+ ret |= RRDR_OPTION_GOOGLE_JSON;
+ else if(!strsame(tok, "percentage"))
+ ret |= RRDR_OPTION_PERCENTAGE;
+ else if(!strsame(tok, "unaligned"))
+ ret |= RRDR_OPTION_NOT_ALIGNED;
+ }
+
+ return ret;
}
uint32_t web_client_api_request_v1_data_format(char *name)
{
- if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSON)) // datatable
- return DATASOURCE_DATATABLE_JSON;
+ if(!strsame(name, DATASOURCE_FORMAT_DATATABLE_JSON)) // datatable
+ return DATASOURCE_DATATABLE_JSON;
- else if(!strcmp(name, DATASOURCE_FORMAT_DATATABLE_JSONP)) // datasource
- return DATASOURCE_DATATABLE_JSONP;
+ else if(!strsame(name, DATASOURCE_FORMAT_DATATABLE_JSONP)) // datasource
+ return DATASOURCE_DATATABLE_JSONP;
- else if(!strcmp(name, DATASOURCE_FORMAT_JSON)) // json
- return DATASOURCE_JSON;
+ else if(!strsame(name, DATASOURCE_FORMAT_JSON)) // json
+ return DATASOURCE_JSON;
- else if(!strcmp(name, DATASOURCE_FORMAT_JSONP)) // jsonp
- return DATASOURCE_JSONP;
+ else if(!strsame(name, DATASOURCE_FORMAT_JSONP)) // jsonp
+ return DATASOURCE_JSONP;
- else if(!strcmp(name, DATASOURCE_FORMAT_SSV)) // ssv
- return DATASOURCE_SSV;
+ else if(!strsame(name, DATASOURCE_FORMAT_SSV)) // ssv
+ return DATASOURCE_SSV;
- else if(!strcmp(name, DATASOURCE_FORMAT_CSV)) // csv
- return DATASOURCE_CSV;
+ else if(!strsame(name, DATASOURCE_FORMAT_CSV)) // csv
+ return DATASOURCE_CSV;
- else if(!strcmp(name, DATASOURCE_FORMAT_TSV) || !strcmp(name, "tsv-excel")) // tsv
- return DATASOURCE_TSV;
+ else if(!strsame(name, DATASOURCE_FORMAT_TSV) || !strsame(name, "tsv-excel")) // tsv
+ return DATASOURCE_TSV;
- else if(!strcmp(name, DATASOURCE_FORMAT_HTML)) // html
- return DATASOURCE_HTML;
+ else if(!strsame(name, DATASOURCE_FORMAT_HTML)) // html
+ return DATASOURCE_HTML;
- else if(!strcmp(name, DATASOURCE_FORMAT_JS_ARRAY)) // array
- return DATASOURCE_JS_ARRAY;
+ else if(!strsame(name, DATASOURCE_FORMAT_JS_ARRAY)) // array
+ return DATASOURCE_JS_ARRAY;
- else if(!strcmp(name, DATASOURCE_FORMAT_SSV_COMMA)) // ssvcomma
- return DATASOURCE_SSV_COMMA;
+ else if(!strsame(name, DATASOURCE_FORMAT_SSV_COMMA)) // ssvcomma
+ return DATASOURCE_SSV_COMMA;
- else if(!strcmp(name, DATASOURCE_FORMAT_CSV_JSON_ARRAY)) // csvjsonarray
- return DATASOURCE_CSV_JSON_ARRAY;
+ else if(!strsame(name, DATASOURCE_FORMAT_CSV_JSON_ARRAY)) // csvjsonarray
+ return DATASOURCE_CSV_JSON_ARRAY;
- return DATASOURCE_JSON;
+ return DATASOURCE_JSON;
}
uint32_t web_client_api_request_v1_data_google_format(char *name)
{
- if(!strcmp(name, "json"))
- return DATASOURCE_DATATABLE_JSONP;
+ if(!strsame(name, "json"))
+ return DATASOURCE_DATATABLE_JSONP;
+
+ else if(!strsame(name, "html"))
+ return DATASOURCE_HTML;
+
+ else if(!strsame(name, "csv"))
+ return DATASOURCE_CSV;
+
+ else if(!strsame(name, "tsv-excel"))
+ return DATASOURCE_TSV;
+
+ return DATASOURCE_JSON;
+}
+
+const char *group_method2string(int group) {
+ switch(group) {
+ case GROUP_UNDEFINED:
+ return "";
+
+ case GROUP_AVERAGE:
+ return "average";
+
+ case GROUP_MIN:
+ return "min";
+
+ case GROUP_MAX:
+ return "max";
+
+ case GROUP_SUM:
+ return "sum";
+
+ case GROUP_INCREMENTAL_SUM:
+ return "incremental-sum";
+
+ default:
+ return "unknown-group-method";
+ }
+}
+
+int web_client_api_request_v1_data_group(char *name, int def)
+{
+ if(!strsame(name, "average"))
+ return GROUP_AVERAGE;
- else if(!strcmp(name, "html"))
- return DATASOURCE_HTML;
+ else if(!strsame(name, "min"))
+ return GROUP_MIN;
- else if(!strcmp(name, "csv"))
- return DATASOURCE_CSV;
+ else if(!strsame(name, "max"))
+ return GROUP_MAX;
- else if(!strcmp(name, "tsv-excel"))
- return DATASOURCE_TSV;
+ else if(!strsame(name, "sum"))
+ return GROUP_SUM;
- return DATASOURCE_JSON;
+ else if(!strsame(name, "incremental-sum"))
+ return GROUP_INCREMENTAL_SUM;
+
+ return def;
}
-int web_client_api_request_v1_data_group(char *name)
+int web_client_api_request_v1_alarms(struct web_client *w, char *url)
{
- if(!strcmp(name, "max"))
- return GROUP_MAX;
+ int all = 0;
- else if(!strcmp(name, "average"))
- return GROUP_AVERAGE;
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
- else if(!strcmp(name, "sum"))
- return GROUP_SUM;
+ if(!strsame(value, "all")) all = 1;
+ else if(!strsame(value, "active")) all = 0;
+ }
- else if(!strcmp(name, "incremental-sum"))
- return GROUP_INCREMENTAL_SUM;
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ health_alarms2json(&localhost, w->response.data, all);
+ return 200;
+}
- return GROUP_AVERAGE;
+int web_client_api_request_v1_alarm_log(struct web_client *w, char *url)
+{
+ uint32_t after = 0;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ if(!strsame(name, "after")) after = strtoul(value, NULL, 0);
+ }
+
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ health_alarm_log2json(&localhost, w->response.data, after);
+ return 200;
+}
+
+int web_client_api_request_single_chart(struct web_client *w, char *url, void callback(RRDSET *st, BUFFER *buf))
+{
+ int ret = 400;
+ char *chart = NULL;
+
+ buffer_flush(w->response.data);
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ // name and value are now the parameters
+ // they are not null and not empty
+
+ if(!strsame(name, "chart")) chart = value;
+ //else {
+ /// buffer_sprintf(w->response.data, "Unknown parameter '%s' in request.", name);
+ // goto cleanup;
+ //}
+ }
+
+ if(!chart || !*chart) {
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(chart);
+ if(!st) st = rrdset_find_byname(chart);
+ if(!st) {
+ buffer_strcat(w->response.data, "Chart is not found: ");
+ buffer_strcat_htmlescape(w->response.data, chart);
+ ret = 404;
+ goto cleanup;
+ }
+
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ callback(st, w->response.data);
+ return 200;
+
+ cleanup:
+ return ret;
+}
+
+int web_client_api_request_v1_alarm_variables(struct web_client *w, char *url)
+{
+ return web_client_api_request_single_chart(w, url, health_api_v1_chart_variables2json);
}
int web_client_api_request_v1_charts(struct web_client *w, char *url)
{
- if(url) { ; }
+ (void)url;
- buffer_flush(w->response.data);
- w->response.data->contenttype = CT_APPLICATION_JSON;
- rrd_stats_api_v1_charts(w->response.data);
- return 200;
+ buffer_flush(w->response.data);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ rrd_stats_api_v1_charts(w->response.data);
+ return 200;
}
-int web_client_api_request_v1_chart(struct web_client *w, char *url)
+int web_client_api_request_v1_allmetrics(struct web_client *w, char *url)
{
- int ret = 400;
- char *chart = NULL;
-
- buffer_flush(w->response.data);
-
- while(url) {
- char *value = mystrsep(&url, "?&[]");
- if(!value || !*value) continue;
-
- char *name = mystrsep(&value, "=");
- if(!name || !*name) continue;
- if(!value || !*value) continue;
-
- // name and value are now the parameters
- // they are not null and not empty
-
- if(!strcmp(name, "chart")) chart = value;
- //else {
- /// buffer_sprintf(w->response.data, "Unknown parameter '%s' in request.", name);
- // goto cleanup;
- //}
- }
-
- if(!chart || !*chart) {
- buffer_sprintf(w->response.data, "No chart id is given at the request.");
- goto cleanup;
- }
-
- RRDSET *st = rrdset_find(chart);
- if(!st) st = rrdset_find_byname(chart);
- if(!st) {
- buffer_sprintf(w->response.data, "Chart '%s' is not found.", chart);
- ret = 404;
- goto cleanup;
- }
-
- w->response.data->contenttype = CT_APPLICATION_JSON;
- rrd_stats_api_v1_chart(st, w->response.data);
- return 200;
+ int format = ALLMETRICS_SHELL;
+
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ if(!strsame(name, "format")) {
+ if(!strsame(value, ALLMETRICS_FORMAT_SHELL))
+ format = ALLMETRICS_SHELL;
+ else if(!strsame(value, ALLMETRICS_FORMAT_PROMETHEUS))
+ format = ALLMETRICS_PROMETHEUS;
+ else
+ format = 0;
+ }
+ }
+
+ buffer_flush(w->response.data);
+ buffer_no_cacheable(w->response.data);
+
+ switch(format) {
+ case ALLMETRICS_SHELL:
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ rrd_stats_api_v1_charts_allmetrics_shell(w->response.data);
+ return 200;
+
+ case ALLMETRICS_PROMETHEUS:
+ w->response.data->contenttype = CT_PROMETHEUS;
+ rrd_stats_api_v1_charts_allmetrics_prometheus(w->response.data);
+ return 200;
+
+ default:
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ buffer_strcat(w->response.data, "Which format? Only '" ALLMETRICS_FORMAT_SHELL "' and '" ALLMETRICS_FORMAT_PROMETHEUS "' is currently supported.");
+ return 400;
+ }
+}
-cleanup:
- return ret;
+int web_client_api_request_v1_chart(struct web_client *w, char *url)
+{
+ return web_client_api_request_single_chart(w, url, rrd_stats_api_v1_chart);
}
-int web_client_api_v1_badge(struct web_client *w, char *url) {
- int ret = 400;
- buffer_flush(w->response.data);
-
- BUFFER *dimensions = NULL;
-
- const char *chart = NULL
- , *before_str = NULL
- , *after_str = NULL
- , *points_str = NULL
- , *multiply_str = NULL
- , *divide_str = NULL
- , *label = NULL
- , *units = NULL
- , *label_color = NULL
- , *value_color = NULL
- , *refresh_str = NULL
- , *precision_str = NULL;
-
- int group = GROUP_AVERAGE;
- uint32_t options = 0x00000000;
-
- while(url) {
- char *value = mystrsep(&url, "/?&[]");
- if(!value || !*value) continue;
-
- char *name = mystrsep(&value, "=");
- if(!name || !*name) continue;
- if(!value || !*value) continue;
-
- debug(D_WEB_CLIENT, "%llu: API v1 badge.svg query param '%s' with value '%s'", w->id, name, value);
-
- // name and value are now the parameters
- // they are not null and not empty
-
- if(!strcmp(name, "chart")) chart = value;
- else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
- if(!dimensions)
- dimensions = buffer_create(100);
+int web_client_api_request_v1_badge(struct web_client *w, char *url) {
+ int ret = 400;
+ buffer_flush(w->response.data);
+
+ BUFFER *dimensions = NULL;
+
+ const char *chart = NULL
+ , *before_str = NULL
+ , *after_str = NULL
+ , *points_str = NULL
+ , *multiply_str = NULL
+ , *divide_str = NULL
+ , *label = NULL
+ , *units = NULL
+ , *label_color = NULL
+ , *value_color = NULL
+ , *refresh_str = NULL
+ , *precision_str = NULL
+ , *alarm = NULL;
+
+ int group = GROUP_AVERAGE;
+ uint32_t options = 0x00000000;
+
+ while(url) {
+ char *value = mystrsep(&url, "/?&");
+ if(!value || !*value) continue;
+
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
+
+ debug(D_WEB_CLIENT, "%llu: API v1 badge.svg query param '%s' with value '%s'", w->id, name, value);
+
+ // name and value are now the parameters
+ // they are not null and not empty
+
+ if(!strsame(name, "chart")) chart = value;
+ else if(!strsame(name, "dimension") || !strsame(name, "dim") || !strsame(name, "dimensions") || !strsame(name, "dims")) {
+ if(!dimensions)
+ dimensions = buffer_create(100);
buffer_strcat(dimensions, "|");
buffer_strcat(dimensions, value);
- }
- else if(!strcmp(name, "after")) after_str = value;
- else if(!strcmp(name, "before")) before_str = value;
- else if(!strcmp(name, "points")) points_str = value;
- else if(!strcmp(name, "group")) {
- group = web_client_api_request_v1_data_group(value);
- }
- else if(!strcmp(name, "options")) {
- options |= web_client_api_request_v1_data_options(value);
- }
- else if(!strcmp(name, "label")) label = value;
- else if(!strcmp(name, "units")) units = value;
- else if(!strcmp(name, "label_color")) label_color = value;
- else if(!strcmp(name, "value_color")) value_color = value;
- else if(!strcmp(name, "multiply")) multiply_str = value;
- else if(!strcmp(name, "divide")) divide_str = value;
- else if(!strcmp(name, "refresh")) refresh_str = value;
- else if(!strcmp(name, "precision")) precision_str = value;
- }
-
- if(!chart || !*chart) {
- buffer_sprintf(w->response.data, "No chart id is given at the request.");
- goto cleanup;
- }
-
- RRDSET *st = rrdset_find(chart);
- if(!st) st = rrdset_find_byname(chart);
- if(!st) {
- buffer_svg(w->response.data, "chart not found", 0, "", NULL, NULL, 1, -1);
- ret = 200;
- goto cleanup;
- }
-
- long long multiply = (multiply_str && *multiply_str )?atol(multiply_str):1;
- long long divide = (divide_str && *divide_str )?atol(divide_str):1;
- long long before = (before_str && *before_str )?atol(before_str):0;
- long long after = (after_str && *after_str )?atol(after_str):-st->update_every;
- int points = (points_str && *points_str )?atoi(points_str):1;
- int precision = (precision_str && *precision_str)?atoi(precision_str):-1;
-
- if(!multiply) multiply = 1;
- if(!divide) divide = 1;
-
- int refresh = 0;
- if(refresh_str && *refresh_str) {
- if(!strcmp(refresh_str, "auto")) {
- if(options & RRDR_OPTION_NOT_ALIGNED)
- refresh = st->update_every;
- else {
- refresh = (before - after);
- if(refresh < 0) refresh = -refresh;
- }
- }
- else {
- refresh = atoi(refresh_str);
- if(refresh < 0) refresh = -refresh;
- }
- }
-
- if(!label) {
- if(dimensions) {
- const char *dim = buffer_tostring(dimensions);
- if(*dim == '|') dim++;
- label = dim;
- }
- else
- label = st->name;
- }
- if(!units) {
- if(options & RRDR_OPTION_PERCENTAGE)
- units="%";
- else
- units = st->units;
- }
-
- debug(D_WEB_CLIENT, "%llu: API command 'badge.svg' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', options '0x%08x'"
- , w->id
- , chart
- , (dimensions)?buffer_tostring(dimensions):""
- , after
- , before
- , points
- , group
- , options
- );
-
- time_t latest_timestamp = 0;
- int value_is_null = 1;
- calculated_number n = 0;
- ret = 500;
-
- // if the collected value is too old, don't calculate its value
- if(rrdset_last_entry_t(st) >= (time(NULL) - (st->update_every * st->gap_when_lost_iterations_above)))
- ret = rrd2value(st, w->response.data, &n, dimensions, points, after, before, group, options, &latest_timestamp, &value_is_null);
-
- // if the value cannot be calculated, show empty badge
- if(ret != 200) {
- value_is_null = 1;
- n = 0;
- ret = 200;
- }
- else if(refresh > 0)
- buffer_sprintf(w->response.header, "Refresh: %d\r\n", refresh);
-
- // render the badge
- buffer_svg(w->response.data, label, n * multiply / divide, units, label_color, value_color, value_is_null, precision);
+ }
+ else if(!strsame(name, "after")) after_str = value;
+ else if(!strsame(name, "before")) before_str = value;
+ else if(!strsame(name, "points")) points_str = value;
+ else if(!strsame(name, "group")) {
+ group = web_client_api_request_v1_data_group(value, GROUP_AVERAGE);
+ }
+ else if(!strsame(name, "options")) {
+ options |= web_client_api_request_v1_data_options(value);
+ }
+ else if(!strsame(name, "label")) label = value;
+ else if(!strsame(name, "units")) units = value;
+ else if(!strsame(name, "label_color")) label_color = value;
+ else if(!strsame(name, "value_color")) value_color = value;
+ else if(!strsame(name, "multiply")) multiply_str = value;
+ else if(!strsame(name, "divide")) divide_str = value;
+ else if(!strsame(name, "refresh")) refresh_str = value;
+ else if(!strsame(name, "precision")) precision_str = value;
+ else if(!strsame(name, "alarm")) alarm = value;
+ }
+
+ if(!chart || !*chart) {
+ buffer_no_cacheable(w->response.data);
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(chart);
+ if(!st) st = rrdset_find_byname(chart);
+ if(!st) {
+ buffer_no_cacheable(w->response.data);
+ buffer_svg(w->response.data, "chart not found", 0, "", NULL, NULL, 1, -1);
+ ret = 200;
+ goto cleanup;
+ }
+
+ RRDCALC *rc = NULL;
+ if(alarm) {
+ rc = rrdcalc_find(st, alarm);
+ if (!rc) {
+ buffer_no_cacheable(w->response.data);
+ buffer_svg(w->response.data, "alarm not found", 0, "", NULL, NULL, 1, -1);
+ ret = 200;
+ goto cleanup;
+ }
+ }
+
+ long long multiply = (multiply_str && *multiply_str )?str2l(multiply_str):1;
+ long long divide = (divide_str && *divide_str )?str2l(divide_str):1;
+ long long before = (before_str && *before_str )?str2l(before_str):0;
+ long long after = (after_str && *after_str )?str2l(after_str):-st->update_every;
+ int points = (points_str && *points_str )?str2i(points_str):1;
+ int precision = (precision_str && *precision_str)?str2i(precision_str):-1;
+
+ if(!multiply) multiply = 1;
+ if(!divide) divide = 1;
+
+ int refresh = 0;
+ if(refresh_str && *refresh_str) {
+ if(!strsame(refresh_str, "auto")) {
+ if(rc) refresh = rc->update_every;
+ else if(options & RRDR_OPTION_NOT_ALIGNED)
+ refresh = st->update_every;
+ else {
+ refresh = (int)(before - after);
+ if(refresh < 0) refresh = -refresh;
+ }
+ }
+ else {
+ refresh = str2i(refresh_str);
+ if(refresh < 0) refresh = -refresh;
+ }
+ }
+
+ if(!label) {
+ if(alarm) {
+ char *s = (char *)alarm;
+ while(*s) {
+ if(*s == '_') *s = ' ';
+ s++;
+ }
+ label = alarm;
+ }
+ else if(dimensions) {
+ const char *dim = buffer_tostring(dimensions);
+ if(*dim == '|') dim++;
+ label = dim;
+ }
+ else
+ label = st->name;
+ }
+ if(!units) {
+ if(alarm) {
+ if(rc->units)
+ units = rc->units;
+ else
+ units = "";
+ }
+ else if(options & RRDR_OPTION_PERCENTAGE)
+ units = "%";
+ else
+ units = st->units;
+ }
+
+ debug(D_WEB_CLIENT, "%llu: API command 'badge.svg' for chart '%s', alarm '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', options '0x%08x'"
+ , w->id
+ , chart
+ , alarm?alarm:""
+ , (dimensions)?buffer_tostring(dimensions):""
+ , after
+ , before
+ , points
+ , group
+ , options
+ );
+
+ if(rc) {
+ calculated_number n = rc->value;
+ if(isnan(n) || isinf(n)) n = 0;
+
+ if (refresh > 0) {
+ buffer_sprintf(w->response.header, "Refresh: %d\r\n", refresh);
+ w->response.data->expires = now_realtime_sec() + refresh;
+ }
+ else buffer_no_cacheable(w->response.data);
+
+ if(!value_color) {
+ switch(rc->status) {
+ case RRDCALC_STATUS_CRITICAL:
+ value_color = "red";
+ break;
+
+ case RRDCALC_STATUS_WARNING:
+ value_color = "orange";
+ break;
+
+ case RRDCALC_STATUS_CLEAR:
+ value_color = "brightgreen";
+ break;
+
+ case RRDCALC_STATUS_UNDEFINED:
+ value_color = "lightgrey";
+ break;
+
+ case RRDCALC_STATUS_UNINITIALIZED:
+ value_color = "#000";
+ break;
+
+ default:
+ value_color = "grey";
+ break;
+ }
+ }
+
+ buffer_svg(w->response.data,
+ label,
+ rc->value * multiply / divide,
+ units,
+ label_color,
+ value_color,
+ 0,
+ precision);
+ ret = 200;
+ }
+ else {
+ time_t latest_timestamp = 0;
+ int value_is_null = 1;
+ calculated_number n = 0;
+ ret = 500;
+
+ // if the collected value is too old, don't calculate its value
+ if (rrdset_last_entry_t(st) >= (now_realtime_sec() - (st->update_every * st->gap_when_lost_iterations_above)))
+ ret = rrd2value(st,
+ w->response.data,
+ &n,
+ (dimensions) ? buffer_tostring(dimensions) : NULL,
+ points,
+ after,
+ before,
+ group,
+ options,
+ NULL,
+ &latest_timestamp,
+ &value_is_null);
+
+ // if the value cannot be calculated, show empty badge
+ if (ret != 200) {
+ buffer_no_cacheable(w->response.data);
+ value_is_null = 1;
+ n = 0;
+ ret = 200;
+ }
+ else if (refresh > 0) {
+ buffer_sprintf(w->response.header, "Refresh: %d\r\n", refresh);
+ w->response.data->expires = now_realtime_sec() + refresh;
+ }
+ else buffer_no_cacheable(w->response.data);
+
+ // render the badge
+ buffer_svg(w->response.data,
+ label,
+ n * multiply / divide,
+ units,
+ label_color,
+ value_color,
+ value_is_null,
+ precision);
+ }
cleanup:
- if(dimensions)
- buffer_free(dimensions);
- return ret;
+ if(dimensions)
+ buffer_free(dimensions);
+ return ret;
}
// returns the HTTP code
int web_client_api_request_v1_data(struct web_client *w, char *url)
{
- debug(D_WEB_CLIENT, "%llu: API v1 data with URL '%s'", w->id, url);
+ debug(D_WEB_CLIENT, "%llu: API v1 data with URL '%s'", w->id, url);
- int ret = 400;
- BUFFER *dimensions = NULL;
+ int ret = 400;
+ BUFFER *dimensions = NULL;
- buffer_flush(w->response.data);
+ buffer_flush(w->response.data);
- char *google_version = "0.6",
- *google_reqId = "0",
- *google_sig = "0",
- *google_out = "json",
- *responseHandler = NULL,
- *outFileName = NULL;
+ char *google_version = "0.6",
+ *google_reqId = "0",
+ *google_sig = "0",
+ *google_out = "json",
+ *responseHandler = NULL,
+ *outFileName = NULL;
- time_t last_timestamp_in_data = 0, google_timestamp = 0;
+ time_t last_timestamp_in_data = 0, google_timestamp = 0;
- char *chart = NULL
- , *before_str = NULL
- , *after_str = NULL
- , *points_str = NULL;
+ char *chart = NULL
+ , *before_str = NULL
+ , *after_str = NULL
+ , *points_str = NULL;
- int group = GROUP_AVERAGE;
- uint32_t format = DATASOURCE_JSON;
- uint32_t options = 0x00000000;
+ int group = GROUP_AVERAGE;
+ uint32_t format = DATASOURCE_JSON;
+ uint32_t options = 0x00000000;
- while(url) {
- char *value = mystrsep(&url, "?&[]");
- if(!value || !*value) continue;
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if(!value || !*value) continue;
- char *name = mystrsep(&value, "=");
- if(!name || !*name) continue;
- if(!value || !*value) continue;
+ char *name = mystrsep(&value, "=");
+ if(!name || !*name) continue;
+ if(!value || !*value) continue;
- debug(D_WEB_CLIENT, "%llu: API v1 data query param '%s' with value '%s'", w->id, name, value);
+ debug(D_WEB_CLIENT, "%llu: API v1 data query param '%s' with value '%s'", w->id, name, value);
- // name and value are now the parameters
- // they are not null and not empty
+ // name and value are now the parameters
+ // they are not null and not empty
- if(!strcmp(name, "chart")) chart = value;
- else if(!strcmp(name, "dimension") || !strcmp(name, "dim") || !strcmp(name, "dimensions") || !strcmp(name, "dims")) {
- if(!dimensions) dimensions = buffer_create(100);
+ if(!strsame(name, "chart")) chart = value;
+ else if(!strsame(name, "dimension") || !strsame(name, "dim") || !strsame(name, "dimensions") || !strsame(name, "dims")) {
+ if(!dimensions) dimensions = buffer_create(100);
buffer_strcat(dimensions, "|");
buffer_strcat(dimensions, value);
- }
- else if(!strcmp(name, "after")) after_str = value;
- else if(!strcmp(name, "before")) before_str = value;
- else if(!strcmp(name, "points")) points_str = value;
- else if(!strcmp(name, "group")) {
- group = web_client_api_request_v1_data_group(value);
- }
- else if(!strcmp(name, "format")) {
- format = web_client_api_request_v1_data_format(value);
- }
- else if(!strcmp(name, "options")) {
- options |= web_client_api_request_v1_data_options(value);
- }
- else if(!strcmp(name, "callback")) {
- responseHandler = value;
- }
- else if(!strcmp(name, "filename")) {
- outFileName = value;
- }
- else if(!strcmp(name, "tqx")) {
- // parse Google Visualization API options
- // https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
- char *tqx_name, *tqx_value;
-
- while(value) {
- tqx_value = mystrsep(&value, ";");
- if(!tqx_value || !*tqx_value) continue;
-
- tqx_name = mystrsep(&tqx_value, ":");
- if(!tqx_name || !*tqx_name) continue;
- if(!tqx_value || !*tqx_value) continue;
-
- if(!strcmp(tqx_name, "version"))
- google_version = tqx_value;
- else if(!strcmp(tqx_name, "reqId"))
- google_reqId = tqx_value;
- else if(!strcmp(tqx_name, "sig")) {
- google_sig = tqx_value;
- google_timestamp = strtoul(google_sig, NULL, 0);
- }
- else if(!strcmp(tqx_name, "out")) {
- google_out = tqx_value;
- format = web_client_api_request_v1_data_google_format(google_out);
- }
- else if(!strcmp(tqx_name, "responseHandler"))
- responseHandler = tqx_value;
- else if(!strcmp(tqx_name, "outFileName"))
- outFileName = tqx_value;
- }
- }
- }
-
- if(!chart || !*chart) {
- buffer_sprintf(w->response.data, "No chart id is given at the request.");
- goto cleanup;
- }
-
- RRDSET *st = rrdset_find(chart);
- if(!st) st = rrdset_find_byname(chart);
- if(!st) {
- buffer_sprintf(w->response.data, "Chart '%s' is not found.", chart);
- ret = 404;
- goto cleanup;
- }
-
- long long before = (before_str && *before_str)?atol(before_str):0;
- long long after = (after_str && *after_str) ?atol(after_str):0;
- int points = (points_str && *points_str)?atoi(points_str):0;
-
- debug(D_WEB_CLIENT, "%llu: API command 'data' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', format '%u', options '0x%08x'"
- , w->id
- , chart
- , (dimensions)?buffer_tostring(dimensions):""
- , after
- , before
- , points
- , group
- , format
- , options
- );
-
- if(outFileName && *outFileName) {
- buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
- debug(D_WEB_CLIENT, "%llu: generating outfilename header: '%s'", w->id, outFileName);
- }
-
- if(format == DATASOURCE_DATATABLE_JSONP) {
- if(responseHandler == NULL)
- responseHandler = "google.visualization.Query.setResponse";
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
- w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
- );
-
- buffer_sprintf(w->response.data,
- "%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
- responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
- }
- else if(format == DATASOURCE_JSONP) {
- if(responseHandler == NULL)
- responseHandler = "callback";
-
- buffer_strcat(w->response.data, responseHandler);
- buffer_strcat(w->response.data, "(");
- }
-
- ret = rrd2format(st, w->response.data, dimensions, format, points, after, before, group, options, &last_timestamp_in_data);
-
- if(format == DATASOURCE_DATATABLE_JSONP) {
- if(google_timestamp < last_timestamp_in_data)
- buffer_strcat(w->response.data, "});");
-
- else {
- // the client already has the latest data
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data,
- "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
- responseHandler, google_version, google_reqId);
- }
- }
- else if(format == DATASOURCE_JSONP)
- buffer_strcat(w->response.data, ");");
+ }
+ else if(!strsame(name, "after")) after_str = value;
+ else if(!strsame(name, "before")) before_str = value;
+ else if(!strsame(name, "points")) points_str = value;
+ else if(!strsame(name, "group")) {
+ group = web_client_api_request_v1_data_group(value, GROUP_AVERAGE);
+ }
+ else if(!strsame(name, "format")) {
+ format = web_client_api_request_v1_data_format(value);
+ }
+ else if(!strsame(name, "options")) {
+ options |= web_client_api_request_v1_data_options(value);
+ }
+ else if(!strsame(name, "callback")) {
+ responseHandler = value;
+ }
+ else if(!strsame(name, "filename")) {
+ outFileName = value;
+ }
+ else if(!strsame(name, "tqx")) {
+ // parse Google Visualization API options
+ // https://developers.google.com/chart/interactive/docs/dev/implementing_data_source
+ char *tqx_name, *tqx_value;
+
+ while(value) {
+ tqx_value = mystrsep(&value, ";");
+ if(!tqx_value || !*tqx_value) continue;
+
+ tqx_name = mystrsep(&tqx_value, ":");
+ if(!tqx_name || !*tqx_name) continue;
+ if(!tqx_value || !*tqx_value) continue;
+
+ if(!strsame(tqx_name, "version"))
+ google_version = tqx_value;
+ else if(!strsame(tqx_name, "reqId"))
+ google_reqId = tqx_value;
+ else if(!strsame(tqx_name, "sig")) {
+ google_sig = tqx_value;
+ google_timestamp = strtoul(google_sig, NULL, 0);
+ }
+ else if(!strsame(tqx_name, "out")) {
+ google_out = tqx_value;
+ format = web_client_api_request_v1_data_google_format(google_out);
+ }
+ else if(!strsame(tqx_name, "responseHandler"))
+ responseHandler = tqx_value;
+ else if(!strsame(tqx_name, "outFileName"))
+ outFileName = tqx_value;
+ }
+ }
+ }
+
+ if(!chart || !*chart) {
+ buffer_sprintf(w->response.data, "No chart id is given at the request.");
+ goto cleanup;
+ }
+
+ RRDSET *st = rrdset_find(chart);
+ if(!st) st = rrdset_find_byname(chart);
+ if(!st) {
+ buffer_strcat(w->response.data, "Chart is not found: ");
+ buffer_strcat_htmlescape(w->response.data, chart);
+ ret = 404;
+ goto cleanup;
+ }
+
+ long long before = (before_str && *before_str)?str2l(before_str):0;
+ long long after = (after_str && *after_str) ?str2l(after_str):0;
+ int points = (points_str && *points_str)?str2i(points_str):0;
+
+ debug(D_WEB_CLIENT, "%llu: API command 'data' for chart '%s', dimensions '%s', after '%lld', before '%lld', points '%d', group '%d', format '%u', options '0x%08x'"
+ , w->id
+ , chart
+ , (dimensions)?buffer_tostring(dimensions):""
+ , after
+ , before
+ , points
+ , group
+ , format
+ , options
+ );
+
+ if(outFileName && *outFileName) {
+ buffer_sprintf(w->response.header, "Content-Disposition: attachment; filename=\"%s\"\r\n", outFileName);
+ debug(D_WEB_CLIENT, "%llu: generating outfilename header: '%s'", w->id, outFileName);
+ }
+
+ if(format == DATASOURCE_DATATABLE_JSONP) {
+ if(responseHandler == NULL)
+ responseHandler = "google.visualization.Query.setResponse";
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSON/JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
+ w->id, google_version, google_reqId, google_sig, google_out, responseHandler, outFileName
+ );
+
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
+ responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
+ }
+ else if(format == DATASOURCE_JSONP) {
+ if(responseHandler == NULL)
+ responseHandler = "callback";
+
+ buffer_strcat(w->response.data, responseHandler);
+ buffer_strcat(w->response.data, "(");
+ }
+
+ ret = rrd2format(st, w->response.data, dimensions, format, points, after, before, group, options, &last_timestamp_in_data);
+
+ if(format == DATASOURCE_DATATABLE_JSONP) {
+ if(google_timestamp < last_timestamp_in_data)
+ buffer_strcat(w->response.data, "});");
+
+ else {
+ // the client already has the latest data
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
+ responseHandler, google_version, google_reqId);
+ }
+ }
+ else if(format == DATASOURCE_JSONP)
+ buffer_strcat(w->response.data, ");");
cleanup:
- if(dimensions) buffer_free(dimensions);
- return ret;
+ if(dimensions) buffer_free(dimensions);
+ return ret;
}
+
int web_client_api_request_v1_registry(struct web_client *w, char *url)
{
- static uint32_t hash_action = 0, hash_access = 0, hash_hello = 0, hash_delete = 0, hash_search = 0,
- hash_switch = 0, hash_machine = 0, hash_url = 0, hash_name = 0, hash_delete_url = 0, hash_for = 0,
- hash_to = 0 /*, hash_redirects = 0 */;
-
- if(unlikely(!hash_action)) {
- hash_action = simple_hash("action");
- hash_access = simple_hash("access");
- hash_hello = simple_hash("hello");
- hash_delete = simple_hash("delete");
- hash_search = simple_hash("search");
- hash_switch = simple_hash("switch");
- hash_machine = simple_hash("machine");
- hash_url = simple_hash("url");
- hash_name = simple_hash("name");
- hash_delete_url = simple_hash("delete_url");
- hash_for = simple_hash("for");
- hash_to = simple_hash("to");
+ static uint32_t hash_action = 0, hash_access = 0, hash_hello = 0, hash_delete = 0, hash_search = 0,
+ hash_switch = 0, hash_machine = 0, hash_url = 0, hash_name = 0, hash_delete_url = 0, hash_for = 0,
+ hash_to = 0 /*, hash_redirects = 0 */;
+
+ if(unlikely(!hash_action)) {
+ hash_action = simple_hash("action");
+ hash_access = simple_hash("access");
+ hash_hello = simple_hash("hello");
+ hash_delete = simple_hash("delete");
+ hash_search = simple_hash("search");
+ hash_switch = simple_hash("switch");
+ hash_machine = simple_hash("machine");
+ hash_url = simple_hash("url");
+ hash_name = simple_hash("name");
+ hash_delete_url = simple_hash("delete_url");
+ hash_for = simple_hash("for");
+ hash_to = simple_hash("to");
/*
- hash_redirects = simple_hash("redirects");
+ hash_redirects = simple_hash("redirects");
*/
- }
-
- char person_guid[36 + 1] = "";
-
- debug(D_WEB_CLIENT, "%llu: API v1 registry with URL '%s'", w->id, url);
-
- // FIXME
- // The browser may send multiple cookies with our id
-
- char *cookie = strstr(w->response.data->buffer, NETDATA_REGISTRY_COOKIE_NAME "=");
- if(cookie)
- strncpyz(person_guid, &cookie[sizeof(NETDATA_REGISTRY_COOKIE_NAME)], 36);
-
- char action = '\0';
- char *machine_guid = NULL,
- *machine_url = NULL,
- *url_name = NULL,
- *search_machine_guid = NULL,
- *delete_url = NULL,
- *to_person_guid = NULL;
+ }
+
+ char person_guid[GUID_LEN + 1] = "";
+
+ debug(D_WEB_CLIENT, "%llu: API v1 registry with URL '%s'", w->id, url);
+
+ // FIXME
+ // The browser may send multiple cookies with our id
+
+ char *cookie = strstr(w->response.data->buffer, NETDATA_REGISTRY_COOKIE_NAME "=");
+ if(cookie)
+ strncpyz(person_guid, &cookie[sizeof(NETDATA_REGISTRY_COOKIE_NAME)], 36);
+
+ char action = '\0';
+ char *machine_guid = NULL,
+ *machine_url = NULL,
+ *url_name = NULL,
+ *search_machine_guid = NULL,
+ *delete_url = NULL,
+ *to_person_guid = NULL;
/*
- int redirects = 0;
+ int redirects = 0;
*/
- while(url) {
- char *value = mystrsep(&url, "?&[]");
- if (!value || !*value) continue;
+ while(url) {
+ char *value = mystrsep(&url, "?&");
+ if (!value || !*value) continue;
- char *name = mystrsep(&value, "=");
- if (!name || !*name) continue;
- if (!value || !*value) continue;
+ char *name = mystrsep(&value, "=");
+ if (!name || !*name) continue;
+ if (!value || !*value) continue;
- debug(D_WEB_CLIENT, "%llu: API v1 registry query param '%s' with value '%s'", w->id, name, value);
+ debug(D_WEB_CLIENT, "%llu: API v1 registry query param '%s' with value '%s'", w->id, name, value);
- uint32_t hash = simple_hash(name);
+ uint32_t hash = simple_hash(name);
- if(hash == hash_action && !strcmp(name, "action")) {
- uint32_t vhash = simple_hash(value);
+ if(hash == hash_action && !strsame(name, "action")) {
+ uint32_t vhash = simple_hash(value);
- if(vhash == hash_access && !strcmp(value, "access")) action = 'A';
- else if(vhash == hash_hello && !strcmp(value, "hello")) action = 'H';
- else if(vhash == hash_delete && !strcmp(value, "delete")) action = 'D';
- else if(vhash == hash_search && !strcmp(value, "search")) action = 'S';
- else if(vhash == hash_switch && !strcmp(value, "switch")) action = 'W';
+ if(vhash == hash_access && !strsame(value, "access")) action = 'A';
+ else if(vhash == hash_hello && !strsame(value, "hello")) action = 'H';
+ else if(vhash == hash_delete && !strsame(value, "delete")) action = 'D';
+ else if(vhash == hash_search && !strsame(value, "search")) action = 'S';
+ else if(vhash == hash_switch && !strsame(value, "switch")) action = 'W';
#ifdef NETDATA_INTERNAL_CHECKS
else error("unknown registry action '%s'", value);
#endif /* NETDATA_INTERNAL_CHECKS */
- }
+ }
/*
- else if(hash == hash_redirects && !strcmp(name, "redirects"))
- redirects = atoi(value);
+ else if(hash == hash_redirects && !strsame(name, "redirects"))
+ redirects = atoi(value);
*/
- else if(hash == hash_machine && !strcmp(name, "machine"))
- machine_guid = value;
-
- else if(hash == hash_url && !strcmp(name, "url"))
- machine_url = value;
-
- else if(action == 'A') {
- if(hash == hash_name && !strcmp(name, "name"))
- url_name = value;
- }
- else if(action == 'D') {
- if(hash == hash_delete_url && !strcmp(name, "delete_url"))
- delete_url = value;
- }
- else if(action == 'S') {
- if(hash == hash_for && !strcmp(name, "for"))
- search_machine_guid = value;
- }
- else if(action == 'W') {
- if(hash == hash_to && !strcmp(name, "to"))
- to_person_guid = value;
- }
+ else if(hash == hash_machine && !strsame(name, "machine"))
+ machine_guid = value;
+
+ else if(hash == hash_url && !strsame(name, "url"))
+ machine_url = value;
+
+ else if(action == 'A') {
+ if(hash == hash_name && !strsame(name, "name"))
+ url_name = value;
+ }
+ else if(action == 'D') {
+ if(hash == hash_delete_url && !strsame(name, "delete_url"))
+ delete_url = value;
+ }
+ else if(action == 'S') {
+ if(hash == hash_for && !strsame(name, "for"))
+ search_machine_guid = value;
+ }
+ else if(action == 'W') {
+ if(hash == hash_to && !strsame(name, "to"))
+ to_person_guid = value;
+ }
#ifdef NETDATA_INTERNAL_CHECKS
- else error("unused registry URL parameter '%s' with value '%s'", name, value);
+ else error("unused registry URL parameter '%s' with value '%s'", name, value);
#endif /* NETDATA_INTERNAL_CHECKS */
- }
-
- if(web_donotrack_comply && w->donottrack) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Your web browser is sending 'DNT: 1' (Do Not Track). The registry requires persistent cookies on your browser to work.");
- return 400;
- }
-
- if(action == 'A' && (!machine_guid || !machine_url || !url_name)) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid registry request - access requires these parameters: machine ('%s'), url ('%s'), name ('%s')",
- machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", url_name?url_name:"UNSET");
- return 400;
- }
- else if(action == 'D' && (!machine_guid || !machine_url || !delete_url)) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid registry request - delete requires these parameters: machine ('%s'), url ('%s'), delete_url ('%s')",
- machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", delete_url?delete_url:"UNSET");
- return 400;
- }
- else if(action == 'S' && (!machine_guid || !machine_url || !search_machine_guid)) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid registry request - search requires these parameters: machine ('%s'), url ('%s'), for ('%s')",
- machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", search_machine_guid?search_machine_guid:"UNSET");
- return 400;
- }
- else if(action == 'W' && (!machine_guid || !machine_url || !to_person_guid)) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid registry request - switching identity requires these parameters: machine ('%s'), url ('%s'), to ('%s')",
- machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", to_person_guid?to_person_guid:"UNSET");
- return 400;
- }
-
- switch(action) {
- case 'A':
- w->tracking_required = 1;
- if(registry_verify_cookies_redirects() > 0 && (!cookie || !person_guid[0])) {
- buffer_flush(w->response.data);
-
- registry_set_cookie(w, "give-me-back-this-cookie-please");
- w->response.data->contenttype = CT_APPLICATION_JSON;
- buffer_sprintf(w->response.data, "{ \"status\": \"redirect\", \"registry\": \"%s\" }", registry_to_announce());
- return 200;
-
-/*
- * it seems that web browsers are ignoring 307 (Moved Temporarily)
- * under certain conditions, when using CORS
- * so this is commented and we use application level redirects instead
- *
- redirects++;
-
- if(redirects > registry_verify_cookies_redirects()) {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Your browser does not support cookies");
- return 400;
- }
-
- char *encoded_url = url_encode(machine_url);
- if(!encoded_url) {
- error("%llu: Cannot URL encode string '%s'", w->id, machine_url);
- return 500;
- }
-
- char *encoded_name = url_encode(url_name);
- if(!encoded_name) {
- free(encoded_url);
- error("%llu: Cannot URL encode string '%s'", w->id, url_name);
- return 500;
- }
-
- char *encoded_guid = url_encode(machine_guid);
- if(!encoded_guid) {
- free(encoded_url);
- free(encoded_name);
- error("%llu: Cannot URL encode string '%s'", w->id, machine_guid);
- return 500;
- }
-
- buffer_sprintf(w->response.header, "Location: %s/api/v1/registry?action=access&machine=%s&name=%s&url=%s&redirects=%d\r\n",
- registry_to_announce(), encoded_guid, encoded_name, encoded_url, redirects);
-
- free(encoded_guid);
- free(encoded_name);
- free(encoded_url);
- return 307
-*/
- }
- return registry_request_access_json(w, person_guid, machine_guid, machine_url, url_name, time(NULL));
-
- case 'D':
- w->tracking_required = 1;
- return registry_request_delete_json(w, person_guid, machine_guid, machine_url, delete_url, time(NULL));
-
- case 'S':
- w->tracking_required = 1;
- return registry_request_search_json(w, person_guid, machine_guid, machine_url, search_machine_guid, time(NULL));
-
- case 'W':
- w->tracking_required = 1;
- return registry_request_switch_json(w, person_guid, machine_guid, machine_url, to_person_guid, time(NULL));
-
- case 'H':
- return registry_request_hello_json(w);
-
- default:
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid registry request - you need to set an action: hello, access, delete, search");
- return 400;
- }
-
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Invalid or no registry action.");
- return 400;
+ }
+
+ if(web_donotrack_comply && w->donottrack) {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Your web browser is sending 'DNT: 1' (Do Not Track). The registry requires persistent cookies on your browser to work.");
+ return 400;
+ }
+
+ if(action == 'A' && (!machine_guid || !machine_url || !url_name)) {
+ error("Invalid registry request - access requires these parameters: machine ('%s'), url ('%s'), name ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", url_name?url_name:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Access request.");
+ return 400;
+ }
+ else if(action == 'D' && (!machine_guid || !machine_url || !delete_url)) {
+ error("Invalid registry request - delete requires these parameters: machine ('%s'), url ('%s'), delete_url ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", delete_url?delete_url:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Delete request.");
+ return 400;
+ }
+ else if(action == 'S' && (!machine_guid || !machine_url || !search_machine_guid)) {
+ error("Invalid registry request - search requires these parameters: machine ('%s'), url ('%s'), for ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", search_machine_guid?search_machine_guid:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Search request.");
+ return 400;
+ }
+ else if(action == 'W' && (!machine_guid || !machine_url || !to_person_guid)) {
+ error("Invalid registry request - switching identity requires these parameters: machine ('%s'), url ('%s'), to ('%s')",
+ machine_guid?machine_guid:"UNSET", machine_url?machine_url:"UNSET", to_person_guid?to_person_guid:"UNSET");
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry Switch request.");
+ return 400;
+ }
+
+ switch(action) {
+ case 'A':
+ w->tracking_required = 1;
+ return registry_request_access_json(w, person_guid, machine_guid, machine_url, url_name, now_realtime_sec());
+
+ case 'D':
+ w->tracking_required = 1;
+ return registry_request_delete_json(w, person_guid, machine_guid, machine_url, delete_url, now_realtime_sec());
+
+ case 'S':
+ w->tracking_required = 1;
+ return registry_request_search_json(w, person_guid, machine_guid, machine_url, search_machine_guid, now_realtime_sec());
+
+ case 'W':
+ w->tracking_required = 1;
+ return registry_request_switch_json(w, person_guid, machine_guid, machine_url, to_person_guid, now_realtime_sec());
+
+ case 'H':
+ return registry_request_hello_json(w);
+
+ default:
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Invalid registry request - you need to set an action: hello, access, delete, search");
+ return 400;
+ }
}
int web_client_api_request_v1(struct web_client *w, char *url) {
- static uint32_t hash_data = 0, hash_chart = 0, hash_charts = 0, hash_registry = 0, hash_badge = 0;
-
- if(unlikely(hash_data == 0)) {
- hash_data = simple_hash("data");
- hash_chart = simple_hash("chart");
- hash_charts = simple_hash("charts");
- hash_registry = simple_hash("registry");
- hash_badge = simple_hash("badge.svg");
- }
-
- // get the command
- char *tok = mystrsep(&url, "/?&");
- if(tok && *tok) {
- debug(D_WEB_CLIENT, "%llu: Searching for API v1 command '%s'.", w->id, tok);
- uint32_t hash = simple_hash(tok);
-
- if(hash == hash_data && !strcmp(tok, "data"))
- return web_client_api_request_v1_data(w, url);
-
- else if(hash == hash_chart && !strcmp(tok, "chart"))
- return web_client_api_request_v1_chart(w, url);
-
- else if(hash == hash_charts && !strcmp(tok, "charts"))
- return web_client_api_request_v1_charts(w, url);
-
- else if(hash == hash_registry && !strcmp(tok, "registry"))
- return web_client_api_request_v1_registry(w, url);
-
- else if(hash == hash_badge && !strcmp(tok, "badge.svg"))
- return web_client_api_v1_badge(w, url);
-
- else {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Unsupported v1 API command: %s", tok);
- return 404;
- }
- }
- else {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "API v1 command?");
- return 400;
- }
+ static uint32_t hash_data = 0, hash_chart = 0, hash_charts = 0, hash_registry = 0, hash_badge = 0, hash_alarms = 0, hash_alarm_log = 0, hash_alarm_variables = 0, hash_raw = 0;
+
+ if(unlikely(hash_data == 0)) {
+ hash_data = simple_hash("data");
+ hash_chart = simple_hash("chart");
+ hash_charts = simple_hash("charts");
+ hash_registry = simple_hash("registry");
+ hash_badge = simple_hash("badge.svg");
+ hash_alarms = simple_hash("alarms");
+ hash_alarm_log = simple_hash("alarm_log");
+ hash_alarm_variables = simple_hash("alarm_variables");
+ hash_raw = simple_hash("allmetrics");
+ }
+
+ // get the command
+ char *tok = mystrsep(&url, "/?&");
+ if(tok && *tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for API v1 command '%s'.", w->id, tok);
+ uint32_t hash = simple_hash(tok);
+
+ if(hash == hash_data && !strsame(tok, "data"))
+ return web_client_api_request_v1_data(w, url);
+
+ else if(hash == hash_chart && !strsame(tok, "chart"))
+ return web_client_api_request_v1_chart(w, url);
+
+ else if(hash == hash_charts && !strsame(tok, "charts"))
+ return web_client_api_request_v1_charts(w, url);
+
+ else if(hash == hash_registry && !strsame(tok, "registry"))
+ return web_client_api_request_v1_registry(w, url);
+
+ else if(hash == hash_badge && !strsame(tok, "badge.svg"))
+ return web_client_api_request_v1_badge(w, url);
+
+ else if(hash == hash_alarms && !strsame(tok, "alarms"))
+ return web_client_api_request_v1_alarms(w, url);
+
+ else if(hash == hash_alarm_log && !strsame(tok, "alarm_log"))
+ return web_client_api_request_v1_alarm_log(w, url);
+
+ else if(hash == hash_alarm_variables && !strsame(tok, "alarm_variables"))
+ return web_client_api_request_v1_alarm_variables(w, url);
+
+ else if(hash == hash_raw && !strsame(tok, "allmetrics"))
+ return web_client_api_request_v1_allmetrics(w, url);
+
+ else {
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Unsupported v1 API command: ");
+ buffer_strcat_htmlescape(w->response.data, tok);
+ return 404;
+ }
+ }
+ else {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Which API v1 command?");
+ return 400;
+ }
}
int web_client_api_request(struct web_client *w, char *url)
{
- // get the api version
- char *tok = mystrsep(&url, "/?&");
- if(tok && *tok) {
- debug(D_WEB_CLIENT, "%llu: Searching for API version '%s'.", w->id, tok);
- if(strcmp(tok, "v1") == 0)
- return web_client_api_request_v1(w, url);
- else {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Unsupported API version: %s", tok);
- return 404;
- }
- }
- else {
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Which API version?");
- return 400;
- }
+ // get the api version
+ char *tok = mystrsep(&url, "/?&");
+ if(tok && *tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for API version '%s'.", w->id, tok);
+ if(strsame(tok, "v1") == 0)
+ return web_client_api_request_v1(w, url);
+ else {
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Unsupported API version: ");
+ buffer_strcat_htmlescape(w->response.data, tok);
+ return 404;
+ }
+ }
+ else {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Which API version?");
+ return 400;
+ }
}
int web_client_api_old_data_request(struct web_client *w, char *url, int datasource_type)
{
- RRDSET *st = NULL;
-
- char *args = strchr(url, '?');
- if(args) {
- *args='\0';
- args = &args[1];
- }
-
- // get the name of the data to show
- char *tok = mystrsep(&url, "/");
- if(!tok) tok = "";
-
- // do we have such a data set?
- if(*tok) {
- debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
- st = rrdset_find_byname(tok);
- if(!st) st = rrdset_find(tok);
- }
-
- if(!st) {
- // we don't have it
- // try to send a file with that name
- buffer_flush(w->response.data);
- return(mysendfile(w, tok));
- }
-
- // we have it
- debug(D_WEB_CLIENT, "%llu: Found RRD data with name '%s'.", w->id, tok);
-
- // how many entries does the client want?
- int lines = rrd_default_history_entries;
- int group_count = 1;
- time_t after = 0, before = 0;
- int group_method = GROUP_AVERAGE;
- int nonzero = 0;
-
- if(url) {
- // parse the lines required
- tok = mystrsep(&url, "/");
- if(tok) lines = atoi(tok);
- if(lines < 1) lines = 1;
- }
- if(url) {
- // parse the group count required
- tok = mystrsep(&url, "/");
- if(tok && *tok) group_count = atoi(tok);
- if(group_count < 1) group_count = 1;
- //if(group_count > save_history / 20) group_count = save_history / 20;
- }
- if(url) {
- // parse the grouping method required
- tok = mystrsep(&url, "/");
- if(tok && *tok) {
- if(strcmp(tok, "max") == 0) group_method = GROUP_MAX;
- else if(strcmp(tok, "average") == 0) group_method = GROUP_AVERAGE;
- else if(strcmp(tok, "sum") == 0) group_method = GROUP_SUM;
- else debug(D_WEB_CLIENT, "%llu: Unknown group method '%s'", w->id, tok);
- }
- }
- if(url) {
- // parse after time
- tok = mystrsep(&url, "/");
- if(tok && *tok) after = strtoul(tok, NULL, 10);
- if(after < 0) after = 0;
- }
- if(url) {
- // parse before time
- tok = mystrsep(&url, "/");
- if(tok && *tok) before = strtoul(tok, NULL, 10);
- if(before < 0) before = 0;
- }
- if(url) {
- // parse nonzero
- tok = mystrsep(&url, "/");
- if(tok && *tok && strcmp(tok, "nonzero") == 0) nonzero = 1;
- }
-
- w->response.data->contenttype = CT_APPLICATION_JSON;
- buffer_flush(w->response.data);
-
- char *google_version = "0.6";
- char *google_reqId = "0";
- char *google_sig = "0";
- char *google_out = "json";
- char *google_responseHandler = "google.visualization.Query.setResponse";
- char *google_outFileName = NULL;
- time_t last_timestamp_in_data = 0;
- if(datasource_type == DATASOURCE_DATATABLE_JSON || datasource_type == DATASOURCE_DATATABLE_JSONP) {
-
- w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
-
- while(args) {
- tok = mystrsep(&args, "&");
- if(tok && *tok) {
- char *name = mystrsep(&tok, "=");
- if(name && *name && strcmp(name, "tqx") == 0) {
- char *key = mystrsep(&tok, ":");
- char *value = mystrsep(&tok, ";");
- if(key && value && *key && *value) {
- if(strcmp(key, "version") == 0)
- google_version = value;
-
- else if(strcmp(key, "reqId") == 0)
- google_reqId = value;
-
- else if(strcmp(key, "sig") == 0)
- google_sig = value;
-
- else if(strcmp(key, "out") == 0)
- google_out = value;
-
- else if(strcmp(key, "responseHandler") == 0)
- google_responseHandler = value;
-
- else if(strcmp(key, "outFileName") == 0)
- google_outFileName = value;
- }
- }
- }
- }
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
- w->id, google_version, google_reqId, google_sig, google_out, google_responseHandler, google_outFileName
- );
-
- if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
- last_timestamp_in_data = strtoul(google_sig, NULL, 0);
-
- // check the client wants json
- if(strcmp(google_out, "json") != 0) {
- buffer_sprintf(w->response.data,
- "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'invalid_query',message:'output format is not supported',detailed_message:'the format %s requested is not supported by netdata.'}]});",
- google_responseHandler, google_version, google_reqId, google_out);
- return 200;
- }
- }
- }
-
- if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
- buffer_sprintf(w->response.data,
- "%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
- google_responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
- }
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending RRD data '%s' (id %s, %d lines, %d group, %d group_method, %ld after, %ld before).",
- w->id, st->name, st->id, lines, group_count, group_method, after, before);
-
- time_t timestamp_in_data = rrd_stats_json(datasource_type, st, w->response.data, lines, group_count, group_method, (unsigned long)after, (unsigned long)before, nonzero);
-
- if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
- if(timestamp_in_data > last_timestamp_in_data)
- buffer_strcat(w->response.data, "});");
-
- else {
- // the client already has the latest data
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data,
- "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
- google_responseHandler, google_version, google_reqId);
- }
- }
-
- return 200;
+ if(!url || !*url) {
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Incomplete request.");
+ return 400;
+ }
+
+ RRDSET *st = NULL;
+
+ char *args = strchr(url, '?');
+ if(args) {
+ *args='\0';
+ args = &args[1];
+ }
+
+ // get the name of the data to show
+ char *tok = mystrsep(&url, "/");
+ if(!tok) tok = "";
+
+ // do we have such a data set?
+ if(*tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+ st = rrdset_find_byname(tok);
+ if(!st) st = rrdset_find(tok);
+ }
+
+ if(!st) {
+ // we don't have it
+ // try to send a file with that name
+ buffer_flush(w->response.data);
+ return(mysendfile(w, tok));
+ }
+
+ // we have it
+ debug(D_WEB_CLIENT, "%llu: Found RRD data with name '%s'.", w->id, tok);
+
+ // how many entries does the client want?
+ int lines = rrd_default_history_entries;
+ int group_count = 1;
+ time_t after = 0, before = 0;
+ int group_method = GROUP_AVERAGE;
+ int nonzero = 0;
+
+ if(url) {
+ // parse the lines required
+ tok = mystrsep(&url, "/");
+ if(tok) lines = str2i(tok);
+ if(lines < 1) lines = 1;
+ }
+ if(url) {
+ // parse the group count required
+ tok = mystrsep(&url, "/");
+ if(tok && *tok) group_count = str2i(tok);
+ if(group_count < 1) group_count = 1;
+ //if(group_count > save_history / 20) group_count = save_history / 20;
+ }
+ if(url) {
+ // parse the grouping method required
+ tok = mystrsep(&url, "/");
+ if(tok && *tok) {
+ if(strsame(tok, "max") == 0) group_method = GROUP_MAX;
+ else if(strsame(tok, "average") == 0) group_method = GROUP_AVERAGE;
+ else if(strsame(tok, "sum") == 0) group_method = GROUP_SUM;
+ else debug(D_WEB_CLIENT, "%llu: Unknown group method '%s'", w->id, tok);
+ }
+ }
+ if(url) {
+ // parse after time
+ tok = mystrsep(&url, "/");
+ if(tok && *tok) after = str2ul(tok);
+ if(after < 0) after = 0;
+ }
+ if(url) {
+ // parse before time
+ tok = mystrsep(&url, "/");
+ if(tok && *tok) before = str2ul(tok);
+ if(before < 0) before = 0;
+ }
+ if(url) {
+ // parse nonzero
+ tok = mystrsep(&url, "/");
+ if(tok && *tok && strsame(tok, "nonzero") == 0) nonzero = 1;
+ }
+
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ buffer_flush(w->response.data);
+
+ char *google_version = "0.6";
+ char *google_reqId = "0";
+ char *google_sig = "0";
+ char *google_out = "json";
+ char *google_responseHandler = "google.visualization.Query.setResponse";
+ char *google_outFileName = NULL;
+ time_t last_timestamp_in_data = 0;
+ if(datasource_type == DATASOURCE_DATATABLE_JSON || datasource_type == DATASOURCE_DATATABLE_JSONP) {
+
+ w->response.data->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+
+ while(args) {
+ tok = mystrsep(&args, "&");
+ if(tok && *tok) {
+ char *name = mystrsep(&tok, "=");
+ if(name && *name && strsame(name, "tqx") == 0) {
+ char *key = mystrsep(&tok, ":");
+ char *value = mystrsep(&tok, ";");
+ if(key && value && *key && *value) {
+ if(strsame(key, "version") == 0)
+ google_version = value;
+
+ else if(strsame(key, "reqId") == 0)
+ google_reqId = value;
+
+ else if(strsame(key, "sig") == 0)
+ google_sig = value;
+
+ else if(strsame(key, "out") == 0)
+ google_out = value;
+
+ else if(strsame(key, "responseHandler") == 0)
+ google_responseHandler = value;
+
+ else if(strsame(key, "outFileName") == 0)
+ google_outFileName = value;
+ }
+ }
+ }
+ }
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: GOOGLE JSONP: version = '%s', reqId = '%s', sig = '%s', out = '%s', responseHandler = '%s', outFileName = '%s'",
+ w->id, google_version, google_reqId, google_sig, google_out, google_responseHandler, google_outFileName
+ );
+
+ if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+ last_timestamp_in_data = strtoul(google_sig, NULL, 0);
+
+ // check the client wants json
+ if(strsame(google_out, "json") != 0) {
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'invalid_query',message:'output format is not supported',detailed_message:'the format %s requested is not supported by netdata.'}]});",
+ google_responseHandler, google_version, google_reqId, google_out);
+ return 200;
+ }
+ }
+ }
+
+ if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'ok',sig:'%ld',table:",
+ google_responseHandler, google_version, google_reqId, st->last_updated.tv_sec);
+ }
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending RRD data '%s' (id %s, %d lines, %d group, %d group_method, %ld after, %ld before).",
+ w->id, st->name, st->id, lines, group_count, group_method, after, before);
+
+ time_t timestamp_in_data = rrd_stats_json(datasource_type, st, w->response.data, lines, group_count, group_method, (unsigned long)after, (unsigned long)before, nonzero);
+
+ if(datasource_type == DATASOURCE_DATATABLE_JSONP) {
+ if(timestamp_in_data > last_timestamp_in_data)
+ buffer_strcat(w->response.data, "});");
+
+ else {
+ // the client already has the latest data
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data,
+ "%s({version:'%s',reqId:'%s',status:'error',errors:[{reason:'not_modified',message:'Data not modified'}]});",
+ google_responseHandler, google_version, google_reqId);
+ }
+ }
+
+ return 200;
}
const char *web_content_type_to_string(uint8_t contenttype) {
- switch(contenttype) {
- case CT_TEXT_HTML:
- return "text/html; charset=utf-8";
+ switch(contenttype) {
+ case CT_TEXT_HTML:
+ return "text/html; charset=utf-8";
- case CT_APPLICATION_XML:
- return "application/xml; charset=utf-8";
+ case CT_APPLICATION_XML:
+ return "application/xml; charset=utf-8";
- case CT_APPLICATION_JSON:
- return "application/json; charset=utf-8";
+ case CT_APPLICATION_JSON:
+ return "application/json; charset=utf-8";
- case CT_APPLICATION_X_JAVASCRIPT:
- return "application/x-javascript; charset=utf-8";
+ case CT_APPLICATION_X_JAVASCRIPT:
+ return "application/x-javascript; charset=utf-8";
- case CT_TEXT_CSS:
- return "text/css; charset=utf-8";
+ case CT_TEXT_CSS:
+ return "text/css; charset=utf-8";
- case CT_TEXT_XML:
- return "text/xml; charset=utf-8";
+ case CT_TEXT_XML:
+ return "text/xml; charset=utf-8";
- case CT_TEXT_XSL:
- return "text/xsl; charset=utf-8";
+ case CT_TEXT_XSL:
+ return "text/xsl; charset=utf-8";
- case CT_APPLICATION_OCTET_STREAM:
- return "application/octet-stream";
+ case CT_APPLICATION_OCTET_STREAM:
+ return "application/octet-stream";
- case CT_IMAGE_SVG_XML:
- return "image/svg+xml";
+ case CT_IMAGE_SVG_XML:
+ return "image/svg+xml";
- case CT_APPLICATION_X_FONT_TRUETYPE:
- return "application/x-font-truetype";
+ case CT_APPLICATION_X_FONT_TRUETYPE:
+ return "application/x-font-truetype";
- case CT_APPLICATION_X_FONT_OPENTYPE:
- return "application/x-font-opentype";
+ case CT_APPLICATION_X_FONT_OPENTYPE:
+ return "application/x-font-opentype";
- case CT_APPLICATION_FONT_WOFF:
- return "application/font-woff";
+ case CT_APPLICATION_FONT_WOFF:
+ return "application/font-woff";
- case CT_APPLICATION_FONT_WOFF2:
- return "application/font-woff2";
+ case CT_APPLICATION_FONT_WOFF2:
+ return "application/font-woff2";
- case CT_APPLICATION_VND_MS_FONTOBJ:
- return "application/vnd.ms-fontobject";
+ case CT_APPLICATION_VND_MS_FONTOBJ:
+ return "application/vnd.ms-fontobject";
- case CT_IMAGE_PNG:
- return "image/png";
+ case CT_IMAGE_PNG:
+ return "image/png";
- case CT_IMAGE_JPG:
- return "image/jpeg";
+ case CT_IMAGE_JPG:
+ return "image/jpeg";
- case CT_IMAGE_GIF:
- return "image/gif";
+ case CT_IMAGE_GIF:
+ return "image/gif";
- case CT_IMAGE_XICON:
- return "image/x-icon";
+ case CT_IMAGE_XICON:
+ return "image/x-icon";
- case CT_IMAGE_BMP:
- return "image/bmp";
+ case CT_IMAGE_BMP:
+ return "image/bmp";
- case CT_IMAGE_ICNS:
- return "image/icns";
+ case CT_IMAGE_ICNS:
+ return "image/icns";
- default:
- case CT_TEXT_PLAIN:
- return "text/plain; charset=utf-8";
- }
+ case CT_PROMETHEUS:
+ return "text/plain; version=0.0.4";
+
+ default:
+ case CT_TEXT_PLAIN:
+ return "text/plain; charset=utf-8";
+ }
}
const char *web_response_code_to_string(int code) {
- switch(code) {
- case 200:
- return "OK";
+ switch(code) {
+ case 200:
+ return "OK";
- case 307:
- return "Temporary Redirect";
+ case 307:
+ return "Temporary Redirect";
- case 400:
- return "Bad Request";
+ case 400:
+ return "Bad Request";
- case 403:
- return "Forbidden";
+ case 403:
+ return "Forbidden";
- case 404:
- return "Not Found";
+ case 404:
+ return "Not Found";
- case 412:
- return "Preconditions Failed";
+ case 412:
+ return "Preconditions Failed";
- default:
- if(code >= 100 && code < 200)
- return "Informational";
+ default:
+ if(code >= 100 && code < 200)
+ return "Informational";
- if(code >= 200 && code < 300)
- return "Successful";
+ if(code >= 200 && code < 300)
+ return "Successful";
- if(code >= 300 && code < 400)
- return "Redirection";
+ if(code >= 300 && code < 400)
+ return "Redirection";
- if(code >= 400 && code < 500)
- return "Bad Request";
+ if(code >= 400 && code < 500)
+ return "Bad Request";
- if(code >= 500 && code < 600)
- return "Server Error";
+ if(code >= 500 && code < 600)
+ return "Server Error";
- return "Undefined Error";
- }
+ return "Undefined Error";
+ }
}
static inline char *http_header_parse(struct web_client *w, char *s) {
- static uint32_t hash_origin = 0, hash_connection = 0, hash_accept_encoding = 0, hash_donottrack = 0;
-
- if(unlikely(!hash_origin)) {
- hash_origin = simple_uhash("Origin");
- hash_connection = simple_uhash("Connection");
- hash_accept_encoding = simple_uhash("Accept-Encoding");
- hash_donottrack = simple_uhash("DNT");
- }
-
- char *e = s;
-
- // find the :
- while(*e && *e != ':') e++;
- if(!*e) return e;
-
- // get the name
- *e = '\0';
-
- // find the value
- char *v = e + 1, *ve;
-
- // skip leading spaces from value
- while(*v == ' ') v++;
- ve = v;
-
- // find the \r
- while(*ve && *ve != '\r') ve++;
- if(!*ve || ve[1] != '\n') {
- *e = ':';
- return ve;
- }
-
- // terminate the value
- *ve = '\0';
-
- // fprintf(stderr, "HEADER: '%s' = '%s'\n", s, v);
- uint32_t hash = simple_uhash(s);
-
- if(hash == hash_origin && !strcasecmp(s, "Origin"))
- strncpyz(w->origin, v, ORIGIN_MAX);
-
- else if(hash == hash_connection && !strcasecmp(s, "Connection")) {
- if(strcasestr(v, "keep-alive"))
- w->keepalive = 1;
- }
- else if(web_donotrack_comply && hash == hash_donottrack && !strcasecmp(s, "DNT")) {
- if(*v == '0') w->donottrack = 0;
- else if(*v == '1') w->donottrack = 1;
- }
+ static uint32_t hash_origin = 0, hash_connection = 0, hash_accept_encoding = 0, hash_donottrack = 0;
+
+ if(unlikely(!hash_origin)) {
+ hash_origin = simple_uhash("Origin");
+ hash_connection = simple_uhash("Connection");
+ hash_accept_encoding = simple_uhash("Accept-Encoding");
+ hash_donottrack = simple_uhash("DNT");
+ }
+
+ char *e = s;
+
+ // find the :
+ while(*e && *e != ':') e++;
+ if(!*e) return e;
+
+ // get the name
+ *e = '\0';
+
+ // find the value
+ char *v = e + 1, *ve;
+
+ // skip leading spaces from value
+ while(*v == ' ') v++;
+ ve = v;
+
+ // find the \r
+ while(*ve && *ve != '\r') ve++;
+ if(!*ve || ve[1] != '\n') {
+ *e = ':';
+ return ve;
+ }
+
+ // terminate the value
+ *ve = '\0';
+
+ // fprintf(stderr, "HEADER: '%s' = '%s'\n", s, v);
+ uint32_t hash = simple_uhash(s);
+
+ if(hash == hash_origin && !strcasecmp(s, "Origin"))
+ strncpyz(w->origin, v, ORIGIN_MAX);
+
+ else if(hash == hash_connection && !strcasecmp(s, "Connection")) {
+ if(strcasestr(v, "keep-alive"))
+ w->keepalive = 1;
+ }
+ else if(web_donotrack_comply && hash == hash_donottrack && !strcasecmp(s, "DNT")) {
+ if(*v == '0') w->donottrack = 0;
+ else if(*v == '1') w->donottrack = 1;
+ }
#ifdef NETDATA_WITH_ZLIB
- else if(hash == hash_accept_encoding && !strcasecmp(s, "Accept-Encoding")) {
- if(web_enable_gzip) {
- if(strcasestr(v, "gzip"))
- web_client_enable_deflate(w, 1);
- //
- // does not seem to work
- // else if(strcasestr(v, "deflate"))
- // web_client_enable_deflate(w, 0);
- }
- }
+ else if(hash == hash_accept_encoding && !strcasecmp(s, "Accept-Encoding")) {
+ if(web_enable_gzip) {
+ if(strcasestr(v, "gzip"))
+ web_client_enable_deflate(w, 1);
+ //
+ // does not seem to work
+ // else if(strcasestr(v, "deflate"))
+ // web_client_enable_deflate(w, 0);
+ }
+ }
#endif /* NETDATA_WITH_ZLIB */
- *e = ':';
- *ve = '\r';
- return ve;
+ *e = ':';
+ *ve = '\r';
+ return ve;
}
// http_request_validate()
// < 0 : request is incomplete - wait for more data
static inline int http_request_validate(struct web_client *w) {
- char *s = w->response.data->buffer, *encoded_url = NULL;
-
- // is is a valid request?
- if(!strncmp(s, "GET ", 4)) {
- encoded_url = s = &s[4];
- w->mode = WEB_CLIENT_MODE_NORMAL;
- }
- else if(!strncmp(s, "OPTIONS ", 8)) {
- encoded_url = s = &s[8];
- w->mode = WEB_CLIENT_MODE_OPTIONS;
- }
- else {
- w->wait_receive = 0;
- return 1;
- }
-
- // find the SPACE + "HTTP/"
- while(*s) {
- // find the next space
- while (*s && *s != ' ') s++;
-
- // is it SPACE + "HTTP/" ?
- if(*s && !strncmp(s, " HTTP/", 6)) break;
- else s++;
- }
-
- // incomplete requests
- if(unlikely(!*s)) {
- w->wait_receive = 1;
- return -2;
- }
-
- // we have the end of encoded_url - remember it
- char *ue = s;
-
- // make sure we have complete request
- // complete requests contain: \r\n\r\n
- while(*s) {
- // find a line feed
- while(*s && *s++ != '\r');
-
- // did we reach the end?
- if(unlikely(!*s)) break;
-
- // is it \r\n ?
- if(likely(*s++ == '\n')) {
-
- // is it again \r\n ? (header end)
- if(unlikely(*s == '\r' && s[1] == '\n')) {
- // a valid complete HTTP request found
-
- *ue = '\0';
- url_decode_r(w->decoded_url, encoded_url, URL_MAX + 1);
- *ue = ' ';
-
- // copy the URL - we are going to overwrite parts of it
- // FIXME -- we should avoid it
- strncpyz(w->last_url, w->decoded_url, URL_MAX);
-
- w->wait_receive = 0;
- return 0;
- }
-
- // another header line
- s = http_header_parse(w, s);
- }
- }
-
- // incomplete request
- w->wait_receive = 1;
- return -3;
+ char *s = w->response.data->buffer, *encoded_url = NULL;
+
+ // is is a valid request?
+ if(!strncmp(s, "GET ", 4)) {
+ encoded_url = s = &s[4];
+ w->mode = WEB_CLIENT_MODE_NORMAL;
+ }
+ else if(!strncmp(s, "OPTIONS ", 8)) {
+ encoded_url = s = &s[8];
+ w->mode = WEB_CLIENT_MODE_OPTIONS;
+ }
+ else {
+ w->wait_receive = 0;
+ return 1;
+ }
+
+ // find the SPACE + "HTTP/"
+ while(*s) {
+ // find the next space
+ while (*s && *s != ' ') s++;
+
+ // is it SPACE + "HTTP/" ?
+ if(*s && !strncmp(s, " HTTP/", 6)) break;
+ else s++;
+ }
+
+ // incomplete requests
+ if(unlikely(!*s)) {
+ w->wait_receive = 1;
+ return -2;
+ }
+
+ // we have the end of encoded_url - remember it
+ char *ue = s;
+
+ // make sure we have complete request
+ // complete requests contain: \r\n\r\n
+ while(*s) {
+ // find a line feed
+ while(*s && *s++ != '\r');
+
+ // did we reach the end?
+ if(unlikely(!*s)) break;
+
+ // is it \r\n ?
+ if(likely(*s++ == '\n')) {
+
+ // is it again \r\n ? (header end)
+ if(unlikely(*s == '\r' && s[1] == '\n')) {
+ // a valid complete HTTP request found
+
+ *ue = '\0';
+ url_decode_r(w->decoded_url, encoded_url, URL_MAX + 1);
+ *ue = ' ';
+
+ // copy the URL - we are going to overwrite parts of it
+ // FIXME -- we should avoid it
+ strncpyz(w->last_url, w->decoded_url, URL_MAX);
+
+ w->wait_receive = 0;
+ return 0;
+ }
+
+ // another header line
+ s = http_header_parse(w, s);
+ }
+ }
+
+ // incomplete request
+ w->wait_receive = 1;
+ return -3;
}
void web_client_process(struct web_client *w) {
- static uint32_t hash_api = 0, hash_netdata_conf = 0, hash_data = 0, hash_datasource = 0, hash_graph = 0,
- hash_list = 0, hash_all_json = 0, hash_exit = 0, hash_debug = 0, hash_mirror = 0;
+ static uint32_t
+ hash_api = 0,
+ hash_netdata_conf = 0,
+ hash_data = 0,
+ hash_datasource = 0,
+ hash_graph = 0,
+ hash_list = 0,
+ hash_all_json = 0;
+
+#ifdef NETDATA_INTERNAL_CHECKS
+ static uint32_t hash_exit = 0, hash_debug = 0, hash_mirror = 0;
+#endif
// start timing us
- gettimeofday(&w->tv_in, NULL);
+ now_realtime_timeval(&w->tv_in);
if(unlikely(!hash_api)) {
- hash_api = simple_hash("api");
- hash_netdata_conf = simple_hash("netdata.conf");
- hash_data = simple_hash(WEB_PATH_DATA);
- hash_datasource = simple_hash(WEB_PATH_DATASOURCE);
- hash_graph = simple_hash(WEB_PATH_GRAPH);
- hash_list = simple_hash("list");
- hash_all_json = simple_hash("all.json");
- hash_exit = simple_hash("exit");
- hash_debug = simple_hash("debug");
- hash_mirror = simple_hash("mirror");
- }
-
- int code = 500;
- ssize_t bytes;
-
- int what_to_do = http_request_validate(w);
-
- // wait for more data
- if(what_to_do < 0) {
- if(w->response.data->len > TOO_BIG_REQUEST) {
- strcpy(w->last_url, "too big request");
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Received request is too big (%zu bytes).", w->id, w->response.data->len);
-
- code = 400;
- buffer_flush(w->response.data);
- buffer_sprintf(w->response.data, "Received request is too big (%zu bytes).\r\n", w->response.data->len);
- }
- else {
- // wait for more data
- return;
- }
- }
- else if(what_to_do > 0) {
- // strcpy(w->last_url, "not a valid request");
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Cannot understand '%s'.", w->id, w->response.data->buffer);
-
- code = 500;
- buffer_flush(w->response.data);
- buffer_strcat(w->response.data, "I don't understand you...\r\n");
- }
- else { // what_to_do == 0
- if(w->mode == WEB_CLIENT_MODE_OPTIONS) {
- code = 200;
- w->response.data->contenttype = CT_TEXT_PLAIN;
- buffer_flush(w->response.data);
- buffer_strcat(w->response.data, "OK");
- }
- else {
- char *url = w->decoded_url;
- char *tok = mystrsep(&url, "/?");
- if(tok && *tok) {
- uint32_t hash = simple_hash(tok);
- debug(D_WEB_CLIENT, "%llu: Processing command '%s'.", w->id, tok);
-
- if(hash == hash_api && strcmp(tok, "api") == 0) {
- // the client is requesting api access
- code = web_client_api_request(w, url);
- }
- else if(hash == hash_netdata_conf && strcmp(tok, "netdata.conf") == 0) {
- code = 200;
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending netdata.conf ...", w->id);
-
- w->response.data->contenttype = CT_TEXT_PLAIN;
- buffer_flush(w->response.data);
- generate_config(w->response.data, 0);
- }
- else if(hash == hash_data && strcmp(tok, WEB_PATH_DATA) == 0) { // "data"
- // the client is requesting rrd data -- OLD API
- code = web_client_api_old_data_request(w, url, DATASOURCE_JSON);
- }
- else if(hash == hash_datasource && strcmp(tok, WEB_PATH_DATASOURCE) == 0) { // "datasource"
- // the client is requesting google datasource -- OLD API
- code = web_client_api_old_data_request(w, url, DATASOURCE_DATATABLE_JSONP);
- }
- else if(hash == hash_graph && strcmp(tok, WEB_PATH_GRAPH) == 0) { // "graph"
- // the client is requesting an rrd graph -- OLD API
-
- // get the name of the data to show
- tok = mystrsep(&url, "/?&");
- if(tok && *tok) {
- debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
-
- // do we have such a data set?
- RRDSET *st = rrdset_find_byname(tok);
- if(!st) st = rrdset_find(tok);
- if(!st) {
- // we don't have it
- // try to send a file with that name
- buffer_flush(w->response.data);
- code = mysendfile(w, tok);
- }
- else {
- code = 200;
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending %s.json of RRD_STATS...", w->id, st->name);
- w->response.data->contenttype = CT_APPLICATION_JSON;
- buffer_flush(w->response.data);
- rrd_stats_graph_json(st, url, w->response.data);
- }
- }
- else {
- code = 400;
- buffer_flush(w->response.data);
- buffer_strcat(w->response.data, "Graph name?\r\n");
- }
- }
- else if(hash == hash_list && strcmp(tok, "list") == 0) {
- // OLD API
- code = 200;
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending list of RRD_STATS...", w->id);
-
- buffer_flush(w->response.data);
- RRDSET *st = localhost.rrdset_root;
-
- for ( ; st ; st = st->next )
- buffer_sprintf(w->response.data, "%s\n", st->name);
- }
- else if(hash == hash_all_json && strcmp(tok, "all.json") == 0) {
- // OLD API
- code = 200;
- debug(D_WEB_CLIENT_ACCESS, "%llu: Sending JSON list of all monitors of RRD_STATS...", w->id);
-
- w->response.data->contenttype = CT_APPLICATION_JSON;
- buffer_flush(w->response.data);
- rrd_stats_all_json(w->response.data);
- }
+ hash_api = simple_hash("api");
+ hash_netdata_conf = simple_hash("netdata.conf");
+ hash_data = simple_hash(WEB_PATH_DATA);
+ hash_datasource = simple_hash(WEB_PATH_DATASOURCE);
+ hash_graph = simple_hash(WEB_PATH_GRAPH);
+ hash_list = simple_hash("list");
+ hash_all_json = simple_hash("all.json");
+#ifdef NETDATA_INTERNAL_CHECKS
+ hash_exit = simple_hash("exit");
+ hash_debug = simple_hash("debug");
+ hash_mirror = simple_hash("mirror");
+#endif
+ }
+
+ int code = 500;
+ ssize_t bytes;
+
+ int what_to_do = http_request_validate(w);
+
+ // wait for more data
+ if(what_to_do < 0) {
+ if(w->response.data->len > TOO_BIG_REQUEST) {
+ strcpy(w->last_url, "too big request");
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Received request is too big (%zu bytes).", w->id, w->response.data->len);
+
+ code = 400;
+ buffer_flush(w->response.data);
+ buffer_sprintf(w->response.data, "Received request is too big (%zu bytes).\r\n", w->response.data->len);
+ }
+ else {
+ // wait for more data
+ return;
+ }
+ }
+ else if(what_to_do > 0) {
+ // strcpy(w->last_url, "not a valid request");
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Cannot understand '%s'.", w->id, w->response.data->buffer);
+
+ code = 500;
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "I don't understand you...\r\n");
+ }
+ else { // what_to_do == 0
+ if(w->mode == WEB_CLIENT_MODE_OPTIONS) {
+ code = 200;
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "OK");
+ }
+ else {
+ char *url = w->decoded_url;
+ char *tok = mystrsep(&url, "/?");
+ if(tok && *tok) {
+ uint32_t hash = simple_hash(tok);
+ debug(D_WEB_CLIENT, "%llu: Processing command '%s'.", w->id, tok);
+
+ if(hash == hash_api && strsame(tok, "api") == 0) {
+ // the client is requesting api access
+ code = web_client_api_request(w, url);
+ }
+ else if(hash == hash_netdata_conf && strsame(tok, "netdata.conf") == 0) {
+ code = 200;
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending netdata.conf ...", w->id);
+
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ buffer_flush(w->response.data);
+ generate_config(w->response.data, 0);
+ }
+ else if(hash == hash_data && strsame(tok, WEB_PATH_DATA) == 0) { // "data"
+ // the client is requesting rrd data -- OLD API
+ code = web_client_api_old_data_request(w, url, DATASOURCE_JSON);
+ }
+ else if(hash == hash_datasource && strsame(tok, WEB_PATH_DATASOURCE) == 0) { // "datasource"
+ // the client is requesting google datasource -- OLD API
+ code = web_client_api_old_data_request(w, url, DATASOURCE_DATATABLE_JSONP);
+ }
+ else if(hash == hash_graph && strsame(tok, WEB_PATH_GRAPH) == 0) { // "graph"
+ // the client is requesting an rrd graph -- OLD API
+
+ // get the name of the data to show
+ tok = mystrsep(&url, "/?&");
+ if(tok && *tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+
+ // do we have such a data set?
+ RRDSET *st = rrdset_find_byname(tok);
+ if(!st) st = rrdset_find(tok);
+ if(!st) {
+ // we don't have it
+ // try to send a file with that name
+ buffer_flush(w->response.data);
+ code = mysendfile(w, tok);
+ }
+ else {
+ code = 200;
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending %s.json of RRD_STATS...", w->id, st->name);
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ buffer_flush(w->response.data);
+ rrd_stats_graph_json(st, url, w->response.data);
+ }
+ }
+ else {
+ code = 400;
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "Graph name?\r\n");
+ }
+ }
+ else if(hash == hash_list && strsame(tok, "list") == 0) {
+ // OLD API
+ code = 200;
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending list of RRD_STATS...", w->id);
+
+ buffer_flush(w->response.data);
+ RRDSET *st = localhost.rrdset_root;
+
+ for ( ; st ; st = st->next )
+ buffer_sprintf(w->response.data, "%s\n", st->name);
+ }
+ else if(hash == hash_all_json && strsame(tok, "all.json") == 0) {
+ // OLD API
+ code = 200;
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Sending JSON list of all monitors of RRD_STATS...", w->id);
+
+ w->response.data->contenttype = CT_APPLICATION_JSON;
+ buffer_flush(w->response.data);
+ rrd_stats_all_json(w->response.data);
+ }
#ifdef NETDATA_INTERNAL_CHECKS
- else if(hash == hash_exit && strcmp(tok, "exit") == 0) {
- code = 200;
- w->response.data->contenttype = CT_TEXT_PLAIN;
- buffer_flush(w->response.data);
-
- if(!netdata_exit)
- buffer_strcat(w->response.data, "ok, will do...");
- else
- buffer_strcat(w->response.data, "I am doing it already");
-
- error("web request to exit received.");
- netdata_cleanup_and_exit(0);
- netdata_exit = 1;
- }
- else if(hash == hash_debug && strcmp(tok, "debug") == 0) {
- buffer_flush(w->response.data);
-
- // get the name of the data to show
- tok = mystrsep(&url, "/?&");
- if(tok && *tok) {
- debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
-
- // do we have such a data set?
- RRDSET *st = rrdset_find_byname(tok);
- if(!st) st = rrdset_find(tok);
- if(!st) {
- code = 404;
- buffer_sprintf(w->response.data, "Chart %s is not found.\r\n", tok);
- debug(D_WEB_CLIENT_ACCESS, "%llu: %s is not found.", w->id, tok);
- }
- else {
- code = 200;
- debug_flags |= D_RRD_STATS;
- st->debug = !st->debug;
- buffer_sprintf(w->response.data, "Chart %s has now debug %s.\r\n", tok, st->debug?"enabled":"disabled");
- debug(D_WEB_CLIENT_ACCESS, "%llu: debug for %s is %s.", w->id, tok, st->debug?"enabled":"disabled");
- }
- }
- else {
- code = 500;
- buffer_flush(w->response.data);
- buffer_strcat(w->response.data, "debug which chart?\r\n");
- }
- }
- else if(hash == hash_mirror && strcmp(tok, "mirror") == 0) {
- code = 200;
-
- debug(D_WEB_CLIENT_ACCESS, "%llu: Mirroring...", w->id);
-
- // replace the zero bytes with spaces
- buffer_char_replace(w->response.data, '\0', ' ');
-
- // just leave the buffer as is
- // it will be copied back to the client
- }
-#endif /* NETDATA_INTERNAL_CHECKS */
- else {
- char filename[FILENAME_MAX+1];
- url = filename;
- strncpyz(filename, w->last_url, FILENAME_MAX);
- tok = mystrsep(&url, "?");
- buffer_flush(w->response.data);
- code = mysendfile(w, (tok && *tok)?tok:"/");
- }
- }
- else {
- char filename[FILENAME_MAX+1];
- url = filename;
- strncpyz(filename, w->last_url, FILENAME_MAX);
- tok = mystrsep(&url, "?");
- buffer_flush(w->response.data);
- code = mysendfile(w, (tok && *tok)?tok:"/");
- }
- }
- }
-
- gettimeofday(&w->tv_ready, NULL);
- w->response.data->date = time(NULL);
- w->response.sent = 0;
- w->response.code = code;
-
- // prepare the HTTP response header
- debug(D_WEB_CLIENT, "%llu: Generating HTTP header with response %d.", w->id, code);
-
- const char *content_type_string = web_content_type_to_string(w->response.data->contenttype);
- const char *code_msg = web_response_code_to_string(code);
-
- char date[32];
- struct tm tmbuf, *tm = gmtime_r(&w->response.data->date, &tmbuf);
- strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %Z", tm);
-
- buffer_sprintf(w->response.header_output,
- "HTTP/1.1 %d %s\r\n"
- "Connection: %s\r\n"
- "Server: NetData Embedded HTTP Server\r\n"
- "Access-Control-Allow-Origin: %s\r\n"
- "Access-Control-Allow-Credentials: true\r\n"
- "Content-Type: %s\r\n"
- "Date: %s\r\n"
- , code, code_msg
- , w->keepalive?"keep-alive":"close"
- , w->origin
- , content_type_string
- , date
- );
-
- if(w->cookie1[0] || w->cookie2[0]) {
- if(w->cookie1[0]) {
- buffer_sprintf(w->response.header_output,
- "Set-Cookie: %s\r\n",
- w->cookie1);
- }
-
- if(w->cookie2[0]) {
- buffer_sprintf(w->response.header_output,
- "Set-Cookie: %s\r\n",
- w->cookie2);
- }
-
- if(web_donotrack_comply)
- buffer_sprintf(w->response.header_output,
- "Tk: T;cookies\r\n");
- }
- else {
- if(web_donotrack_comply) {
- if(w->tracking_required)
- buffer_sprintf(w->response.header_output,
- "Tk: T;cookies\r\n");
- else
- buffer_sprintf(w->response.header_output,
- "Tk: N\r\n");
- }
- }
-
- if(w->mode == WEB_CLIENT_MODE_OPTIONS) {
- buffer_strcat(w->response.header_output,
- "Access-Control-Allow-Methods: GET, OPTIONS\r\n"
- "Access-Control-Allow-Headers: accept, x-requested-with, origin, content-type, cookie\r\n"
- "Access-Control-Max-Age: 1209600\r\n" // 86400 * 14
- );
- }
-
- if(buffer_strlen(w->response.header))
- buffer_strcat(w->response.header_output, buffer_tostring(w->response.header));
-
- if(w->mode == WEB_CLIENT_MODE_NORMAL && (w->response.data->options & WB_CONTENT_NO_CACHEABLE)) {
- buffer_sprintf(w->response.header_output,
- "Expires: %s\r\n"
- "Cache-Control: no-cache\r\n"
- , date);
- }
- else if(w->mode != WEB_CLIENT_MODE_OPTIONS) {
- char edate[32];
- time_t et = w->response.data->date + (86400 * 14);
- struct tm etmbuf, *etm = gmtime_r(&et, &etmbuf);
- strftime(edate, sizeof(edate), "%a, %d %b %Y %H:%M:%S %Z", etm);
-
- buffer_sprintf(w->response.header_output,
- "Expires: %s\r\n"
- "Cache-Control: public\r\n"
- , edate);
- }
-
- // if we know the content length, put it
- if(!w->response.zoutput && (w->response.data->len || w->response.rlen))
- buffer_sprintf(w->response.header_output,
- "Content-Length: %zu\r\n"
- , w->response.data->len? w->response.data->len: w->response.rlen
- );
- else if(!w->response.zoutput)
- w->keepalive = 0; // content-length is required for keep-alive
-
- if(w->response.zoutput) {
- buffer_strcat(w->response.header_output,
- "Content-Encoding: gzip\r\n"
- "Transfer-Encoding: chunked\r\n"
- );
- }
-
- buffer_strcat(w->response.header_output, "\r\n");
-
- // sent the HTTP header
- debug(D_WEB_DATA, "%llu: Sending response HTTP header of size %zu: '%s'"
- , w->id
- , buffer_strlen(w->response.header_output)
- , buffer_tostring(w->response.header_output)
- );
-
- web_client_crock_socket(w);
-
- bytes = send(w->ofd, buffer_tostring(w->response.header_output), buffer_strlen(w->response.header_output), 0);
- if(bytes != (ssize_t) buffer_strlen(w->response.header_output)) {
- if(bytes > 0)
- w->stats_sent_bytes += bytes;
-
- debug(D_WEB_CLIENT, "%llu: HTTP Header failed to be sent (I sent %zu bytes but the system sent %zd bytes). Closing web client."
- , w->id
- , buffer_strlen(w->response.header_output)
- , bytes);
-
- WEB_CLIENT_IS_DEAD(w);
- return;
- }
- else
- w->stats_sent_bytes += bytes;
-
- // enable sending immediately if we have data
- if(w->response.data->len) w->wait_send = 1;
- else w->wait_send = 0;
-
- // pretty logging
- switch(w->mode) {
- case WEB_CLIENT_MODE_OPTIONS:
- debug(D_WEB_CLIENT, "%llu: Done preparing the OPTIONS response. Sending data (%zu bytes) to client.", w->id, w->response.data->len);
- break;
-
- case WEB_CLIENT_MODE_NORMAL:
- debug(D_WEB_CLIENT, "%llu: Done preparing the response. Sending data (%zu bytes) to client.", w->id, w->response.data->len);
- break;
-
- case WEB_CLIENT_MODE_FILECOPY:
- if(w->response.rlen) {
- debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending data file of %zu bytes to client.", w->id, w->response.rlen);
- w->wait_receive = 1;
-
- /*
- // utilize the kernel sendfile() for copying the file to the socket.
- // this block of code can be commented, without anything missing.
- // when it is commented, the program will copy the data using async I/O.
- {
- long len = sendfile(w->ofd, w->ifd, NULL, w->response.data->rbytes);
- if(len != w->response.data->rbytes)
- error("%llu: sendfile() should copy %ld bytes, but copied %ld. Falling back to manual copy.", w->id, w->response.data->rbytes, len);
- else
- web_client_reset(w);
- }
- */
- }
- else
- debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending an unknown amount of bytes to client.", w->id);
- break;
-
- default:
- fatal("%llu: Unknown client mode %d.", w->id, w->mode);
- break;
- }
+ else if(hash == hash_exit && strsame(tok, "exit") == 0) {
+ code = 200;
+ w->response.data->contenttype = CT_TEXT_PLAIN;
+ buffer_flush(w->response.data);
+
+ if(!netdata_exit)
+ buffer_strcat(w->response.data, "ok, will do...");
+ else
+ buffer_strcat(w->response.data, "I am doing it already");
+
+ error("web request to exit received.");
+ netdata_cleanup_and_exit(0);
+ }
+ else if(hash == hash_debug && strsame(tok, "debug") == 0) {
+ buffer_flush(w->response.data);
+
+ // get the name of the data to show
+ tok = mystrsep(&url, "/?&");
+ if(tok && *tok) {
+ debug(D_WEB_CLIENT, "%llu: Searching for RRD data with name '%s'.", w->id, tok);
+
+ // do we have such a data set?
+ RRDSET *st = rrdset_find_byname(tok);
+ if(!st) st = rrdset_find(tok);
+ if(!st) {
+ code = 404;
+ buffer_strcat(w->response.data, "Chart is not found: ");
+ buffer_strcat_htmlescape(w->response.data, tok);
+ debug(D_WEB_CLIENT_ACCESS, "%llu: %s is not found.", w->id, tok);
+ }
+ else {
+ code = 200;
+ debug_flags |= D_RRD_STATS;
+ st->debug = !st->debug;
+ buffer_sprintf(w->response.data, "Chart has now debug %s: ", st->debug?"enabled":"disabled");
+ buffer_strcat_htmlescape(w->response.data, tok);
+ debug(D_WEB_CLIENT_ACCESS, "%llu: debug for %s is %s.", w->id, tok, st->debug?"enabled":"disabled");
+ }
+ }
+ else {
+ code = 500;
+ buffer_flush(w->response.data);
+ buffer_strcat(w->response.data, "debug which chart?\r\n");
+ }
+ }
+ else if(hash == hash_mirror && strsame(tok, "mirror") == 0) {
+ code = 200;
+
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Mirroring...", w->id);
+
+ // replace the zero bytes with spaces
+ buffer_char_replace(w->response.data, '\0', ' ');
+
+ // just leave the buffer as is
+ // it will be copied back to the client
+ }
+#endif /* NETDATA_INTERNAL_CHECKS */
+ else {
+ char filename[FILENAME_MAX+1];
+ url = filename;
+ strncpyz(filename, w->last_url, FILENAME_MAX);
+ tok = mystrsep(&url, "?");
+ buffer_flush(w->response.data);
+ code = mysendfile(w, (tok && *tok)?tok:"/");
+ }
+ }
+ else {
+ char filename[FILENAME_MAX+1];
+ url = filename;
+ strncpyz(filename, w->last_url, FILENAME_MAX);
+ tok = mystrsep(&url, "?");
+ buffer_flush(w->response.data);
+ code = mysendfile(w, (tok && *tok)?tok:"/");
+ }
+ }
+ }
+
+ now_realtime_timeval(&w->tv_ready);
+ w->response.sent = 0;
+ w->response.code = code;
+
+ // set a proper last modified date
+ if(unlikely(!w->response.data->date))
+ w->response.data->date = w->tv_ready.tv_sec;
+
+ if(unlikely(code != 200))
+ buffer_no_cacheable(w->response.data);
+
+ // set a proper expiration date, if not already set
+ if(unlikely(!w->response.data->expires)) {
+ if(w->response.data->options & WB_CONTENT_NO_CACHEABLE)
+ w->response.data->expires = w->tv_ready.tv_sec + rrd_update_every;
+ else
+ w->response.data->expires = w->tv_ready.tv_sec + 86400;
+ }
+
+ // prepare the HTTP response header
+ debug(D_WEB_CLIENT, "%llu: Generating HTTP header with response %d.", w->id, code);
+
+ const char *content_type_string = web_content_type_to_string(w->response.data->contenttype);
+ const char *code_msg = web_response_code_to_string(code);
+
+ // prepare the last modified and expiration dates
+ char date[32], edate[32];
+ {
+ struct tm tmbuf, *tm;
+
+ tm = gmtime_r(&w->response.data->date, &tmbuf);
+ strftime(date, sizeof(date), "%a, %d %b %Y %H:%M:%S %Z", tm);
+
+ tm = gmtime_r(&w->response.data->expires, &tmbuf);
+ strftime(edate, sizeof(edate), "%a, %d %b %Y %H:%M:%S %Z", tm);
+ }
+
+ buffer_sprintf(w->response.header_output,
+ "HTTP/1.1 %d %s\r\n"
+ "Connection: %s\r\n"
+ "Server: NetData Embedded HTTP Server\r\n"
+ "Access-Control-Allow-Origin: %s\r\n"
+ "Access-Control-Allow-Credentials: true\r\n"
+ "Content-Type: %s\r\n"
+ "Date: %s\r\n"
+ , code, code_msg
+ , w->keepalive?"keep-alive":"close"
+ , w->origin
+ , content_type_string
+ , date
+ );
+
+ if(w->cookie1[0] || w->cookie2[0]) {
+ if(w->cookie1[0]) {
+ buffer_sprintf(w->response.header_output,
+ "Set-Cookie: %s\r\n",
+ w->cookie1);
+ }
+
+ if(w->cookie2[0]) {
+ buffer_sprintf(w->response.header_output,
+ "Set-Cookie: %s\r\n",
+ w->cookie2);
+ }
+
+ if(web_donotrack_comply)
+ buffer_sprintf(w->response.header_output,
+ "Tk: T;cookies\r\n");
+ }
+ else {
+ if(web_donotrack_comply) {
+ if(w->tracking_required)
+ buffer_sprintf(w->response.header_output,
+ "Tk: T;cookies\r\n");
+ else
+ buffer_sprintf(w->response.header_output,
+ "Tk: N\r\n");
+ }
+ }
+
+ if(w->mode == WEB_CLIENT_MODE_OPTIONS) {
+ buffer_strcat(w->response.header_output,
+ "Access-Control-Allow-Methods: GET, OPTIONS\r\n"
+ "Access-Control-Allow-Headers: accept, x-requested-with, origin, content-type, cookie, pragma, cache-control\r\n"
+ "Access-Control-Max-Age: 1209600\r\n" // 86400 * 14
+ );
+ }
+ else {
+ buffer_sprintf(w->response.header_output,
+ "Cache-Control: %s\r\n"
+ "Expires: %s\r\n",
+ (w->response.data->options & WB_CONTENT_NO_CACHEABLE)?"no-cache":"public",
+ edate);
+ }
+
+ // copy a possibly available custom header
+ if(unlikely(buffer_strlen(w->response.header)))
+ buffer_strcat(w->response.header_output, buffer_tostring(w->response.header));
+
+ // headers related to the transfer method
+ if(likely(w->response.zoutput)) {
+ buffer_strcat(w->response.header_output,
+ "Content-Encoding: gzip\r\n"
+ "Transfer-Encoding: chunked\r\n"
+ );
+ }
+ else {
+ if(likely((w->response.data->len || w->response.rlen))) {
+ // we know the content length, put it
+ buffer_sprintf(w->response.header_output, "Content-Length: %zu\r\n", w->response.data->len? w->response.data->len: w->response.rlen);
+ }
+ else {
+ // we don't know the content length, disable keep-alive
+ w->keepalive = 0;
+ }
+ }
+
+ // end of HTTP header
+ buffer_strcat(w->response.header_output, "\r\n");
+
+ // sent the HTTP header
+ debug(D_WEB_DATA, "%llu: Sending response HTTP header of size %zu: '%s'"
+ , w->id
+ , buffer_strlen(w->response.header_output)
+ , buffer_tostring(w->response.header_output)
+ );
+
+ web_client_crock_socket(w);
+
+ bytes = send(w->ofd, buffer_tostring(w->response.header_output), buffer_strlen(w->response.header_output), 0);
+ if(bytes != (ssize_t) buffer_strlen(w->response.header_output)) {
+ if(bytes > 0)
+ w->stats_sent_bytes += bytes;
+
+ debug(D_WEB_CLIENT, "%llu: HTTP Header failed to be sent (I sent %zu bytes but the system sent %zd bytes). Closing web client."
+ , w->id
+ , buffer_strlen(w->response.header_output)
+ , bytes);
+
+ WEB_CLIENT_IS_DEAD(w);
+ return;
+ }
+ else
+ w->stats_sent_bytes += bytes;
+
+ // enable sending immediately if we have data
+ if(w->response.data->len) w->wait_send = 1;
+ else w->wait_send = 0;
+
+ // pretty logging
+ switch(w->mode) {
+ case WEB_CLIENT_MODE_OPTIONS:
+ debug(D_WEB_CLIENT, "%llu: Done preparing the OPTIONS response. Sending data (%zu bytes) to client.", w->id, w->response.data->len);
+ break;
+
+ case WEB_CLIENT_MODE_NORMAL:
+ debug(D_WEB_CLIENT, "%llu: Done preparing the response. Sending data (%zu bytes) to client.", w->id, w->response.data->len);
+ break;
+
+ case WEB_CLIENT_MODE_FILECOPY:
+ if(w->response.rlen) {
+ debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending data file of %zu bytes to client.", w->id, w->response.rlen);
+ w->wait_receive = 1;
+
+ /*
+ // utilize the kernel sendfile() for copying the file to the socket.
+ // this block of code can be commented, without anything missing.
+ // when it is commented, the program will copy the data using async I/O.
+ {
+ long len = sendfile(w->ofd, w->ifd, NULL, w->response.data->rbytes);
+ if(len != w->response.data->rbytes)
+ error("%llu: sendfile() should copy %ld bytes, but copied %ld. Falling back to manual copy.", w->id, w->response.data->rbytes, len);
+ else
+ web_client_reset(w);
+ }
+ */
+ }
+ else
+ debug(D_WEB_CLIENT, "%llu: Done preparing the response. Will be sending an unknown amount of bytes to client.", w->id);
+ break;
+
+ default:
+ fatal("%llu: Unknown client mode %d.", w->id, w->mode);
+ break;
+ }
}
ssize_t web_client_send_chunk_header(struct web_client *w, size_t len)
{
- debug(D_DEFLATE, "%llu: OPEN CHUNK of %zu bytes (hex: %zx).", w->id, len, len);
- char buf[24];
- sprintf(buf, "%zX\r\n", len);
-
- ssize_t bytes = send(w->ofd, buf, strlen(buf), 0);
- if(bytes > 0) {
- debug(D_DEFLATE, "%llu: Sent chunk header %zd bytes.", w->id, bytes);
- w->stats_sent_bytes += bytes;
- }
-
- else if(bytes == 0) {
- debug(D_WEB_CLIENT, "%llu: Did not send chunk header to the client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
- else {
- debug(D_WEB_CLIENT, "%llu: Failed to send chunk header to client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return bytes;
+ debug(D_DEFLATE, "%llu: OPEN CHUNK of %zu bytes (hex: %zx).", w->id, len, len);
+ char buf[24];
+ sprintf(buf, "%zX\r\n", len);
+
+ ssize_t bytes = send(w->ofd, buf, strlen(buf), 0);
+ if(bytes > 0) {
+ debug(D_DEFLATE, "%llu: Sent chunk header %zd bytes.", w->id, bytes);
+ w->stats_sent_bytes += bytes;
+ }
+
+ else if(bytes == 0) {
+ debug(D_WEB_CLIENT, "%llu: Did not send chunk header to the client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: Failed to send chunk header to client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return bytes;
}
ssize_t web_client_send_chunk_close(struct web_client *w)
{
- //debug(D_DEFLATE, "%llu: CLOSE CHUNK.", w->id);
-
- ssize_t bytes = send(w->ofd, "\r\n", 2, 0);
- if(bytes > 0) {
- debug(D_DEFLATE, "%llu: Sent chunk suffix %zd bytes.", w->id, bytes);
- w->stats_sent_bytes += bytes;
- }
-
- else if(bytes == 0) {
- debug(D_WEB_CLIENT, "%llu: Did not send chunk suffix to the client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
- else {
- debug(D_WEB_CLIENT, "%llu: Failed to send chunk suffix to client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return bytes;
+ //debug(D_DEFLATE, "%llu: CLOSE CHUNK.", w->id);
+
+ ssize_t bytes = send(w->ofd, "\r\n", 2, 0);
+ if(bytes > 0) {
+ debug(D_DEFLATE, "%llu: Sent chunk suffix %zd bytes.", w->id, bytes);
+ w->stats_sent_bytes += bytes;
+ }
+
+ else if(bytes == 0) {
+ debug(D_WEB_CLIENT, "%llu: Did not send chunk suffix to the client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: Failed to send chunk suffix to client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return bytes;
}
ssize_t web_client_send_chunk_finalize(struct web_client *w)
{
- //debug(D_DEFLATE, "%llu: FINALIZE CHUNK.", w->id);
-
- ssize_t bytes = send(w->ofd, "\r\n0\r\n\r\n", 7, 0);
- if(bytes > 0) {
- debug(D_DEFLATE, "%llu: Sent chunk suffix %zd bytes.", w->id, bytes);
- w->stats_sent_bytes += bytes;
- }
-
- else if(bytes == 0) {
- debug(D_WEB_CLIENT, "%llu: Did not send chunk finalize suffix to the client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
- else {
- debug(D_WEB_CLIENT, "%llu: Failed to send chunk finalize suffix to client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return bytes;
+ //debug(D_DEFLATE, "%llu: FINALIZE CHUNK.", w->id);
+
+ ssize_t bytes = send(w->ofd, "\r\n0\r\n\r\n", 7, 0);
+ if(bytes > 0) {
+ debug(D_DEFLATE, "%llu: Sent chunk suffix %zd bytes.", w->id, bytes);
+ w->stats_sent_bytes += bytes;
+ }
+
+ else if(bytes == 0) {
+ debug(D_WEB_CLIENT, "%llu: Did not send chunk finalize suffix to the client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: Failed to send chunk finalize suffix to client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return bytes;
}
#ifdef NETDATA_WITH_ZLIB
ssize_t web_client_send_deflate(struct web_client *w)
{
- ssize_t len = 0, t = 0;
-
- // when using compression,
- // w->response.sent is the amount of bytes passed through compression
-
- debug(D_DEFLATE, "%llu: web_client_send_deflate(): w->response.data->len = %zu, w->response.sent = %zu, w->response.zhave = %zu, w->response.zsent = %zu, w->response.zstream.avail_in = %u, w->response.zstream.avail_out = %u, w->response.zstream.total_in = %lu, w->response.zstream.total_out = %lu.",
- w->id, w->response.data->len, w->response.sent, w->response.zhave, w->response.zsent, w->response.zstream.avail_in, w->response.zstream.avail_out, w->response.zstream.total_in, w->response.zstream.total_out);
-
- if(w->response.data->len - w->response.sent == 0 && w->response.zstream.avail_in == 0 && w->response.zhave == w->response.zsent && w->response.zstream.avail_out != 0) {
- // there is nothing to send
-
- debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
-
- // finalize the chunk
- if(w->response.sent != 0) {
- t = web_client_send_chunk_finalize(w);
- if(t < 0) return t;
- }
-
- if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->response.rlen && w->response.rlen > w->response.data->len) {
- // we have to wait, more data will come
- debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
- w->wait_send = 0;
- return t;
- }
-
- if(unlikely(!w->keepalive)) {
- debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %zu bytes sent.", w->id, w->response.sent);
- WEB_CLIENT_IS_DEAD(w);
- return t;
- }
-
- // reset the client
- web_client_reset(w);
- debug(D_WEB_CLIENT, "%llu: Done sending all data on socket.", w->id);
- return t;
- }
-
- if(w->response.zhave == w->response.zsent) {
- // compress more input data
-
- // close the previous open chunk
- if(w->response.sent != 0) {
- t = web_client_send_chunk_close(w);
- if(t < 0) return t;
- }
-
- debug(D_DEFLATE, "%llu: Compressing %zu new bytes starting from %zu (and %u left behind).", w->id, (w->response.data->len - w->response.sent), w->response.sent, w->response.zstream.avail_in);
-
- // give the compressor all the data not passed through the compressor yet
- if(w->response.data->len > w->response.sent) {
- w->response.zstream.next_in = (Bytef *)&w->response.data->buffer[w->response.sent - w->response.zstream.avail_in];
- w->response.zstream.avail_in += (uInt) (w->response.data->len - w->response.sent);
- }
-
- // reset the compressor output buffer
- w->response.zstream.next_out = w->response.zbuffer;
- w->response.zstream.avail_out = ZLIB_CHUNK;
-
- // ask for FINISH if we have all the input
- int flush = Z_SYNC_FLUSH;
- if(w->mode == WEB_CLIENT_MODE_NORMAL
- || (w->mode == WEB_CLIENT_MODE_FILECOPY && !w->wait_receive && w->response.data->len == w->response.rlen)) {
- flush = Z_FINISH;
- debug(D_DEFLATE, "%llu: Requesting Z_FINISH, if possible.", w->id);
- }
- else {
- debug(D_DEFLATE, "%llu: Requesting Z_SYNC_FLUSH.", w->id);
- }
-
- // compress
- if(deflate(&w->response.zstream, flush) == Z_STREAM_ERROR) {
- error("%llu: Compression failed. Closing down client.", w->id);
- web_client_reset(w);
- return(-1);
- }
-
- w->response.zhave = ZLIB_CHUNK - w->response.zstream.avail_out;
- w->response.zsent = 0;
-
- // keep track of the bytes passed through the compressor
- w->response.sent = w->response.data->len;
-
- debug(D_DEFLATE, "%llu: Compression produced %zu bytes.", w->id, w->response.zhave);
-
- // open a new chunk
- ssize_t t2 = web_client_send_chunk_header(w, w->response.zhave);
- if(t2 < 0) return t2;
- t += t2;
- }
-
- debug(D_WEB_CLIENT, "%llu: Sending %zu bytes of data (+%zd of chunk header).", w->id, w->response.zhave - w->response.zsent, t);
-
- len = send(w->ofd, &w->response.zbuffer[w->response.zsent], (size_t) (w->response.zhave - w->response.zsent), MSG_DONTWAIT);
- if(len > 0) {
- w->stats_sent_bytes += len;
- w->response.zsent += len;
- len += t;
- debug(D_WEB_CLIENT, "%llu: Sent %zd bytes.", w->id, len);
- }
- else if(len == 0) {
- debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client (zhave = %zu, zsent = %zu, need to send = %zu).",
- w->id, w->response.zhave, w->response.zsent, w->response.zhave - w->response.zsent);
-
- WEB_CLIENT_IS_DEAD(w);
- }
- else {
- debug(D_WEB_CLIENT, "%llu: Failed to send data to client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return(len);
+ ssize_t len = 0, t = 0;
+
+ // when using compression,
+ // w->response.sent is the amount of bytes passed through compression
+
+ debug(D_DEFLATE, "%llu: web_client_send_deflate(): w->response.data->len = %zu, w->response.sent = %zu, w->response.zhave = %zu, w->response.zsent = %zu, w->response.zstream.avail_in = %u, w->response.zstream.avail_out = %u, w->response.zstream.total_in = %lu, w->response.zstream.total_out = %lu.",
+ w->id, w->response.data->len, w->response.sent, w->response.zhave, w->response.zsent, w->response.zstream.avail_in, w->response.zstream.avail_out, w->response.zstream.total_in, w->response.zstream.total_out);
+
+ if(w->response.data->len - w->response.sent == 0 && w->response.zstream.avail_in == 0 && w->response.zhave == w->response.zsent && w->response.zstream.avail_out != 0) {
+ // there is nothing to send
+
+ debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
+
+ // finalize the chunk
+ if(w->response.sent != 0) {
+ t = web_client_send_chunk_finalize(w);
+ if(t < 0) return t;
+ }
+
+ if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->response.rlen && w->response.rlen > w->response.data->len) {
+ // we have to wait, more data will come
+ debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
+ w->wait_send = 0;
+ return t;
+ }
+
+ if(unlikely(!w->keepalive)) {
+ debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %zu bytes sent.", w->id, w->response.sent);
+ WEB_CLIENT_IS_DEAD(w);
+ return t;
+ }
+
+ // reset the client
+ web_client_reset(w);
+ debug(D_WEB_CLIENT, "%llu: Done sending all data on socket.", w->id);
+ return t;
+ }
+
+ if(w->response.zhave == w->response.zsent) {
+ // compress more input data
+
+ // close the previous open chunk
+ if(w->response.sent != 0) {
+ t = web_client_send_chunk_close(w);
+ if(t < 0) return t;
+ }
+
+ debug(D_DEFLATE, "%llu: Compressing %zu new bytes starting from %zu (and %u left behind).", w->id, (w->response.data->len - w->response.sent), w->response.sent, w->response.zstream.avail_in);
+
+ // give the compressor all the data not passed through the compressor yet
+ if(w->response.data->len > w->response.sent) {
+ w->response.zstream.next_in = (Bytef *)&w->response.data->buffer[w->response.sent - w->response.zstream.avail_in];
+ w->response.zstream.avail_in += (uInt) (w->response.data->len - w->response.sent);
+ }
+
+ // reset the compressor output buffer
+ w->response.zstream.next_out = w->response.zbuffer;
+ w->response.zstream.avail_out = ZLIB_CHUNK;
+
+ // ask for FINISH if we have all the input
+ int flush = Z_SYNC_FLUSH;
+ if(w->mode == WEB_CLIENT_MODE_NORMAL
+ || (w->mode == WEB_CLIENT_MODE_FILECOPY && !w->wait_receive && w->response.data->len == w->response.rlen)) {
+ flush = Z_FINISH;
+ debug(D_DEFLATE, "%llu: Requesting Z_FINISH, if possible.", w->id);
+ }
+ else {
+ debug(D_DEFLATE, "%llu: Requesting Z_SYNC_FLUSH.", w->id);
+ }
+
+ // compress
+ if(deflate(&w->response.zstream, flush) == Z_STREAM_ERROR) {
+ error("%llu: Compression failed. Closing down client.", w->id);
+ web_client_reset(w);
+ return(-1);
+ }
+
+ w->response.zhave = ZLIB_CHUNK - w->response.zstream.avail_out;
+ w->response.zsent = 0;
+
+ // keep track of the bytes passed through the compressor
+ w->response.sent = w->response.data->len;
+
+ debug(D_DEFLATE, "%llu: Compression produced %zu bytes.", w->id, w->response.zhave);
+
+ // open a new chunk
+ ssize_t t2 = web_client_send_chunk_header(w, w->response.zhave);
+ if(t2 < 0) return t2;
+ t += t2;
+ }
+
+ debug(D_WEB_CLIENT, "%llu: Sending %zu bytes of data (+%zd of chunk header).", w->id, w->response.zhave - w->response.zsent, t);
+
+ len = send(w->ofd, &w->response.zbuffer[w->response.zsent], (size_t) (w->response.zhave - w->response.zsent), MSG_DONTWAIT);
+ if(len > 0) {
+ w->stats_sent_bytes += len;
+ w->response.zsent += len;
+ len += t;
+ debug(D_WEB_CLIENT, "%llu: Sent %zd bytes.", w->id, len);
+ }
+ else if(len == 0) {
+ debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client (zhave = %zu, zsent = %zu, need to send = %zu).",
+ w->id, w->response.zhave, w->response.zsent, w->response.zhave - w->response.zsent);
+
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: Failed to send data to client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return(len);
}
#endif // NETDATA_WITH_ZLIB
ssize_t web_client_send(struct web_client *w) {
#ifdef NETDATA_WITH_ZLIB
- if(likely(w->response.zoutput)) return web_client_send_deflate(w);
+ if(likely(w->response.zoutput)) return web_client_send_deflate(w);
#endif // NETDATA_WITH_ZLIB
- ssize_t bytes;
-
- if(unlikely(w->response.data->len - w->response.sent == 0)) {
- // there is nothing to send
-
- debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
-
- // there can be two cases for this
- // A. we have done everything
- // B. we temporarily have nothing to send, waiting for the buffer to be filled by ifd
-
- if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->response.rlen && w->response.rlen > w->response.data->len) {
- // we have to wait, more data will come
- debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
- w->wait_send = 0;
- return 0;
- }
-
- if(unlikely(!w->keepalive)) {
- debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %zu bytes sent.", w->id, w->response.sent);
- WEB_CLIENT_IS_DEAD(w);
- return 0;
- }
-
- web_client_reset(w);
- debug(D_WEB_CLIENT, "%llu: Done sending all data on socket. Waiting for next request on the same socket.", w->id);
- return 0;
- }
-
- bytes = send(w->ofd, &w->response.data->buffer[w->response.sent], w->response.data->len - w->response.sent, MSG_DONTWAIT);
- if(likely(bytes > 0)) {
- w->stats_sent_bytes += bytes;
- w->response.sent += bytes;
- debug(D_WEB_CLIENT, "%llu: Sent %zd bytes.", w->id, bytes);
- }
- else if(likely(bytes == 0)) {
- debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
- else {
- debug(D_WEB_CLIENT, "%llu: Failed to send data to client.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return(bytes);
+ ssize_t bytes;
+
+ if(unlikely(w->response.data->len - w->response.sent == 0)) {
+ // there is nothing to send
+
+ debug(D_WEB_CLIENT, "%llu: Out of output data.", w->id);
+
+ // there can be two cases for this
+ // A. we have done everything
+ // B. we temporarily have nothing to send, waiting for the buffer to be filled by ifd
+
+ if(w->mode == WEB_CLIENT_MODE_FILECOPY && w->wait_receive && w->response.rlen && w->response.rlen > w->response.data->len) {
+ // we have to wait, more data will come
+ debug(D_WEB_CLIENT, "%llu: Waiting for more data to become available.", w->id);
+ w->wait_send = 0;
+ return 0;
+ }
+
+ if(unlikely(!w->keepalive)) {
+ debug(D_WEB_CLIENT, "%llu: Closing (keep-alive is not enabled). %zu bytes sent.", w->id, w->response.sent);
+ WEB_CLIENT_IS_DEAD(w);
+ return 0;
+ }
+
+ web_client_reset(w);
+ debug(D_WEB_CLIENT, "%llu: Done sending all data on socket. Waiting for next request on the same socket.", w->id);
+ return 0;
+ }
+
+ bytes = send(w->ofd, &w->response.data->buffer[w->response.sent], w->response.data->len - w->response.sent, MSG_DONTWAIT);
+ if(likely(bytes > 0)) {
+ w->stats_sent_bytes += bytes;
+ w->response.sent += bytes;
+ debug(D_WEB_CLIENT, "%llu: Sent %zd bytes.", w->id, bytes);
+ }
+ else if(likely(bytes == 0)) {
+ debug(D_WEB_CLIENT, "%llu: Did not send any bytes to the client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: Failed to send data to client.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return(bytes);
}
ssize_t web_client_receive(struct web_client *w)
{
- // do we have any space for more data?
- buffer_need_bytes(w->response.data, WEB_REQUEST_LENGTH);
-
- ssize_t left = w->response.data->size - w->response.data->len;
- ssize_t bytes;
-
- if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY))
- bytes = read(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1));
- else
- bytes = recv(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1), MSG_DONTWAIT);
-
- if(likely(bytes > 0)) {
- if(w->mode != WEB_CLIENT_MODE_FILECOPY)
- w->stats_received_bytes += bytes;
-
- size_t old = w->response.data->len;
- w->response.data->len += bytes;
- w->response.data->buffer[w->response.data->len] = '\0';
-
- debug(D_WEB_CLIENT, "%llu: Received %zd bytes.", w->id, bytes);
- debug(D_WEB_DATA, "%llu: Received data: '%s'.", w->id, &w->response.data->buffer[old]);
-
- if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
- w->wait_send = 1;
-
- if(w->response.rlen && w->response.data->len >= w->response.rlen)
- w->wait_receive = 0;
- }
- }
- else if(likely(bytes == 0)) {
- debug(D_WEB_CLIENT, "%llu: Out of input data.", w->id);
-
- // if we cannot read, it means we have an error on input.
- // if however, we are copying a file from ifd to ofd, we should not return an error.
- // in this case, the error should be generated when the file has been sent to the client.
-
- if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
- // we are copying data from ifd to ofd
- // let it finish copying...
- w->wait_receive = 0;
-
- debug(D_WEB_CLIENT, "%llu: Read the whole file.", w->id);
- if(w->ifd != w->ofd) close(w->ifd);
- w->ifd = w->ofd;
- }
- else {
- debug(D_WEB_CLIENT, "%llu: failed to receive data.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
- }
- else {
- debug(D_WEB_CLIENT, "%llu: receive data failed.", w->id);
- WEB_CLIENT_IS_DEAD(w);
- }
-
- return(bytes);
+ // do we have any space for more data?
+ buffer_need_bytes(w->response.data, WEB_REQUEST_LENGTH);
+
+ ssize_t left = w->response.data->size - w->response.data->len;
+ ssize_t bytes;
+
+ if(unlikely(w->mode == WEB_CLIENT_MODE_FILECOPY))
+ bytes = read(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1));
+ else
+ bytes = recv(w->ifd, &w->response.data->buffer[w->response.data->len], (size_t) (left - 1), MSG_DONTWAIT);
+
+ if(likely(bytes > 0)) {
+ if(w->mode != WEB_CLIENT_MODE_FILECOPY)
+ w->stats_received_bytes += bytes;
+
+ size_t old = w->response.data->len;
+ w->response.data->len += bytes;
+ w->response.data->buffer[w->response.data->len] = '\0';
+
+ debug(D_WEB_CLIENT, "%llu: Received %zd bytes.", w->id, bytes);
+ debug(D_WEB_DATA, "%llu: Received data: '%s'.", w->id, &w->response.data->buffer[old]);
+
+ if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
+ w->wait_send = 1;
+
+ if(w->response.rlen && w->response.data->len >= w->response.rlen)
+ w->wait_receive = 0;
+ }
+ }
+ else if(likely(bytes == 0)) {
+ debug(D_WEB_CLIENT, "%llu: Out of input data.", w->id);
+
+ // if we cannot read, it means we have an error on input.
+ // if however, we are copying a file from ifd to ofd, we should not return an error.
+ // in this case, the error should be generated when the file has been sent to the client.
+
+ if(w->mode == WEB_CLIENT_MODE_FILECOPY) {
+ // we are copying data from ifd to ofd
+ // let it finish copying...
+ w->wait_receive = 0;
+
+ debug(D_WEB_CLIENT, "%llu: Read the whole file.", w->id);
+ if(w->ifd != w->ofd) close(w->ifd);
+ w->ifd = w->ofd;
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: failed to receive data.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+ }
+ else {
+ debug(D_WEB_CLIENT, "%llu: receive data failed.", w->id);
+ WEB_CLIENT_IS_DEAD(w);
+ }
+
+ return(bytes);
}
void *web_client_main(void *ptr)
{
- if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
- error("Cannot set pthread cancel type to DEFERRED.");
-
- if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
- error("Cannot set pthread cancel state to ENABLE.");
-
- struct web_client *w = ptr;
- struct pollfd fds[2], *ifd, *ofd;
- int retval, fdmax = 0, timeout;
-
- log_access("%llu: %s port %s connected on thread task id %d", w->id, w->client_ip, w->client_port, gettid());
-
- for(;;) {
- if(unlikely(w->dead)) {
- debug(D_WEB_CLIENT, "%llu: client is dead.", w->id);
- break;
- }
- else if(unlikely(!w->wait_receive && !w->wait_send)) {
- debug(D_WEB_CLIENT, "%llu: client is not set for neither receiving nor sending data.", w->id);
- break;
- }
-
- if(unlikely(w->ifd < 0 || w->ofd < 0)) {
- error("%llu: invalid file descriptor, ifd = %d, ofd = %d (required 0 <= fd", w->id, w->ifd, w->ofd);
- break;
- }
-
- if(w->ifd == w->ofd) {
- fds[0].fd = w->ifd;
- fds[0].events = 0;
- fds[0].revents = 0;
-
- if(w->wait_receive) fds[0].events |= POLLIN;
- if(w->wait_send) fds[0].events |= POLLOUT;
-
- fds[1].fd = -1;
- fds[1].events = 0;
- fds[1].revents = 0;
-
- ifd = ofd = &fds[0];
-
- fdmax = 1;
- }
- else {
- fds[0].fd = w->ifd;
- fds[0].events = 0;
- fds[0].revents = 0;
- if(w->wait_receive) fds[0].events |= POLLIN;
- ifd = &fds[0];
-
- fds[1].fd = w->ofd;
- fds[1].events = 0;
- fds[1].revents = 0;
- if(w->wait_send) fds[1].events |= POLLOUT;
- ofd = &fds[1];
-
- fdmax = 2;
- }
-
- debug(D_WEB_CLIENT, "%llu: Waiting socket async I/O for %s %s", w->id, w->wait_receive?"INPUT":"", w->wait_send?"OUTPUT":"");
- errno = 0;
- timeout = web_client_timeout * 1000;
- retval = poll(fds, fdmax, timeout);
-
- if(unlikely(retval == -1)) {
- if(errno == EAGAIN || errno == EINTR) {
- debug(D_WEB_CLIENT, "%llu: EAGAIN received.", w->id);
- continue;
- }
-
- debug(D_WEB_CLIENT, "%llu: LISTENER: poll() failed (input fd = %d, output fd = %d). Closing client.", w->id, w->ifd, w->ofd);
- break;
- }
- else if(unlikely(!retval)) {
- debug(D_WEB_CLIENT, "%llu: Timeout while waiting socket async I/O for %s %s", w->id, w->wait_receive?"INPUT":"", w->wait_send?"OUTPUT":"");
- break;
- }
-
- int used = 0;
- if(w->wait_send && ofd->revents & POLLOUT) {
- used++;
- if(web_client_send(w) < 0) {
- debug(D_WEB_CLIENT, "%llu: Cannot send data to client. Closing client.", w->id);
- break;
- }
- }
-
- if(w->wait_receive && (ifd->revents & POLLIN || ifd->revents & POLLPRI)) {
- used++;
- if(web_client_receive(w) < 0) {
- debug(D_WEB_CLIENT, "%llu: Cannot receive data from client. Closing client.", w->id);
- break;
- }
-
- if(w->mode == WEB_CLIENT_MODE_NORMAL) {
- debug(D_WEB_CLIENT, "%llu: Attempting to process received data.", w->id);
- web_client_process(w);
- }
- }
-
- if(unlikely(!used)) {
- debug(D_WEB_CLIENT_ACCESS, "%llu: Received error on socket.", w->id);
- break;
- }
- }
-
- web_client_reset(w);
-
- log_access("%llu: %s port %s disconnected from thread task id %d", w->id, w->client_ip, w->client_port, gettid());
- debug(D_WEB_CLIENT, "%llu: done...", w->id);
-
- // close the sockets/files now
- // to free file descriptors
- if(w->ifd == w->ofd) {
- if(w->ifd != -1) close(w->ifd);
- }
- else {
- if(w->ifd != -1) close(w->ifd);
- if(w->ofd != -1) close(w->ofd);
- }
- w->ifd = -1;
- w->ofd = -1;
-
- w->obsolete = 1;
-
- pthread_exit(NULL);
- return NULL;
+ if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
+ error("Cannot set pthread cancel type to DEFERRED.");
+
+ if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
+ error("Cannot set pthread cancel state to ENABLE.");
+
+ struct web_client *w = ptr;
+ struct pollfd fds[2], *ifd, *ofd;
+ int retval, fdmax = 0, timeout;
+
+ log_access("%llu: %s port %s connected on thread task id %d", w->id, w->client_ip, w->client_port, gettid());
+
+ for(;;) {
+ if(unlikely(w->dead)) {
+ debug(D_WEB_CLIENT, "%llu: client is dead.", w->id);
+ break;
+ }
+ else if(unlikely(!w->wait_receive && !w->wait_send)) {
+ debug(D_WEB_CLIENT, "%llu: client is not set for neither receiving nor sending data.", w->id);
+ break;
+ }
+
+ if(unlikely(w->ifd < 0 || w->ofd < 0)) {
+ error("%llu: invalid file descriptor, ifd = %d, ofd = %d (required 0 <= fd", w->id, w->ifd, w->ofd);
+ break;
+ }
+
+ if(w->ifd == w->ofd) {
+ fds[0].fd = w->ifd;
+ fds[0].events = 0;
+ fds[0].revents = 0;
+
+ if(w->wait_receive) fds[0].events |= POLLIN;
+ if(w->wait_send) fds[0].events |= POLLOUT;
+
+ fds[1].fd = -1;
+ fds[1].events = 0;
+ fds[1].revents = 0;
+
+ ifd = ofd = &fds[0];
+
+ fdmax = 1;
+ }
+ else {
+ fds[0].fd = w->ifd;
+ fds[0].events = 0;
+ fds[0].revents = 0;
+ if(w->wait_receive) fds[0].events |= POLLIN;
+ ifd = &fds[0];
+
+ fds[1].fd = w->ofd;
+ fds[1].events = 0;
+ fds[1].revents = 0;
+ if(w->wait_send) fds[1].events |= POLLOUT;
+ ofd = &fds[1];
+
+ fdmax = 2;
+ }
+
+ debug(D_WEB_CLIENT, "%llu: Waiting socket async I/O for %s %s", w->id, w->wait_receive?"INPUT":"", w->wait_send?"OUTPUT":"");
+ errno = 0;
+ timeout = web_client_timeout * 1000;
+ retval = poll(fds, fdmax, timeout);
+
+ if(unlikely(retval == -1)) {
+ if(errno == EAGAIN || errno == EINTR) {
+ debug(D_WEB_CLIENT, "%llu: EAGAIN received.", w->id);
+ continue;
+ }
+
+ debug(D_WEB_CLIENT, "%llu: LISTENER: poll() failed (input fd = %d, output fd = %d). Closing client.", w->id, w->ifd, w->ofd);
+ break;
+ }
+ else if(unlikely(!retval)) {
+ debug(D_WEB_CLIENT, "%llu: Timeout while waiting socket async I/O for %s %s", w->id, w->wait_receive?"INPUT":"", w->wait_send?"OUTPUT":"");
+ break;
+ }
+
+ int used = 0;
+ if(w->wait_send && ofd->revents & POLLOUT) {
+ used++;
+ if(web_client_send(w) < 0) {
+ debug(D_WEB_CLIENT, "%llu: Cannot send data to client. Closing client.", w->id);
+ break;
+ }
+ }
+
+ if(w->wait_receive && (ifd->revents & POLLIN || ifd->revents & POLLPRI)) {
+ used++;
+ if(web_client_receive(w) < 0) {
+ debug(D_WEB_CLIENT, "%llu: Cannot receive data from client. Closing client.", w->id);
+ break;
+ }
+
+ if(w->mode == WEB_CLIENT_MODE_NORMAL) {
+ debug(D_WEB_CLIENT, "%llu: Attempting to process received data.", w->id);
+ web_client_process(w);
+ }
+ }
+
+ if(unlikely(!used)) {
+ debug(D_WEB_CLIENT_ACCESS, "%llu: Received error on socket.", w->id);
+ break;
+ }
+ }
+
+ web_client_reset(w);
+
+ log_access("%llu: %s port %s disconnected from thread task id %d", w->id, w->client_ip, w->client_port, gettid());
+ debug(D_WEB_CLIENT, "%llu: done...", w->id);
+
+ // close the sockets/files now
+ // to free file descriptors
+ if(w->ifd == w->ofd) {
+ if(w->ifd != -1) close(w->ifd);
+ }
+ else {
+ if(w->ifd != -1) close(w->ifd);
+ if(w->ofd != -1) close(w->ofd);
+ }
+ w->ifd = -1;
+ w->ofd = -1;
+
+ w->obsolete = 1;
+
+ pthread_exit(NULL);
+ return NULL;
}
projects / netdata.git / blobdiff