6 * 3 threads are involved for all stream operations
8 * 1. a random data collection thread, calling rrdset_done_push()
9 * this is called for each chart.
11 * the output of this work is kept in a BUFFER in RRDHOST
12 * the sender thread is signalled via a pipe (also in RRDHOST)
14 * 2. a sender thread running at the sending netdata
15 * this is spawned automatically on the first chart to be pushed
17 * It tries to push the metrics to the remote netdata, as fast
18 * as possible (i.e. immediately after they are collected).
20 * 3. a receiver thread, running at the receiving netdata
21 * this is spawned automatically when the sender connects to
26 #define START_STREAMING_PROMPT "Hit me baby, push them over..."
28 int default_rrdpush_enabled = 0;
29 char *default_rrdpush_destination = NULL;
30 char *default_rrdpush_api_key = NULL;
33 default_rrdpush_enabled = appconfig_get_boolean(&stream_config, CONFIG_SECTION_STREAM, "enabled", default_rrdpush_enabled);
34 default_rrdpush_destination = appconfig_get(&stream_config, CONFIG_SECTION_STREAM, "destination", "");
35 default_rrdpush_api_key = appconfig_get(&stream_config, CONFIG_SECTION_STREAM, "api key", "");
37 if(default_rrdpush_enabled && (!default_rrdpush_destination || !*default_rrdpush_destination || !default_rrdpush_api_key || !*default_rrdpush_api_key)) {
38 error("STREAM [send]: cannot enable sending thread - information is missing.");
39 default_rrdpush_enabled = 0;
42 return default_rrdpush_enabled;
45 #define CONNECTED_TO_SIZE 100
47 // data collection happens from multiple threads
48 // each of these threads calls rrdset_done()
49 // which in turn calls rrdset_done_push()
50 // which uses this pipe to notify the streaming thread
51 // that there are more data ready to be sent
55 // to have the remote netdata re-sync the charts
56 // to its current clock, we send for this many
57 // iterations a BEGIN line without microseconds
58 // this is for the first iterations of each chart
59 static unsigned int remote_clock_resync_iterations = 60;
61 #define rrdpush_lock(host) pthread_mutex_lock(&((host)->rrdpush_mutex))
62 #define rrdpush_unlock(host) pthread_mutex_unlock(&((host)->rrdpush_mutex))
64 // checks if the current chart definition has been sent
65 static inline int need_to_send_chart_definition(RRDSET *st) {
67 rrddim_foreach_read(rd, st)
68 if(!rrddim_flag_check(rd, RRDDIM_FLAG_EXPOSED))
74 // sends the current chart definition
75 static inline void send_chart_definition(RRDSET *st) {
76 buffer_sprintf(st->rrdhost->rrdpush_buffer, "CHART '%s' '%s' '%s' '%s' '%s' '%s' '%s' %ld %d\n"
83 , rrdset_type_name(st->chart_type)
89 rrddim_foreach_read(rd, st) {
90 buffer_sprintf(st->rrdhost->rrdpush_buffer, "DIMENSION '%s' '%s' '%s' " COLLECTED_NUMBER_FORMAT " " COLLECTED_NUMBER_FORMAT " '%s %s'\n"
93 , rrd_algorithm_name(rd->algorithm)
96 , rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)?"hidden":""
97 , rrddim_flag_check(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS)?"noreset":""
99 rrddim_flag_set(rd, RRDDIM_FLAG_EXPOSED);
103 // sends the current chart dimensions
104 static inline void send_chart_metrics(RRDSET *st) {
105 buffer_sprintf(st->rrdhost->rrdpush_buffer, "BEGIN %s %llu\n", st->id, (st->counter_done > remote_clock_resync_iterations)?st->usec_since_last_update:0);
108 rrddim_foreach_read(rd, st) {
109 if(rrddim_flag_check(rd, RRDDIM_FLAG_UPDATED) && rrddim_flag_check(rd, RRDDIM_FLAG_EXPOSED))
110 buffer_sprintf(st->rrdhost->rrdpush_buffer, "SET %s = " COLLECTED_NUMBER_FORMAT "\n"
112 , rd->collected_value
116 buffer_strcat(st->rrdhost->rrdpush_buffer, "END\n");
119 void rrdpush_sender_thread_spawn(RRDHOST *host);
121 void rrdset_done_push(RRDSET *st) {
122 RRDHOST *host = st->rrdhost;
124 if(unlikely(!rrdset_flag_check(st, RRDSET_FLAG_ENABLED)))
129 if(unlikely(host->rrdpush_enabled && !host->rrdpush_spawn))
130 rrdpush_sender_thread_spawn(host);
132 if(unlikely(!host->rrdpush_buffer || !host->rrdpush_connected)) {
133 if(unlikely(!host->rrdpush_error_shown))
134 error("STREAM %s [send]: not ready - discarding collected metrics.", host->hostname);
136 host->rrdpush_error_shown = 1;
138 rrdpush_unlock(host);
141 else if(unlikely(host->rrdpush_error_shown)) {
142 info("STREAM %s [send]: ready - sending metrics...", host->hostname);
143 host->rrdpush_error_shown = 0;
146 if(need_to_send_chart_definition(st))
147 send_chart_definition(st);
149 send_chart_metrics(st);
151 // signal the sender there are more data
152 if(write(host->rrdpush_pipe[PIPE_WRITE], " ", 1) == -1)
153 error("STREAM %s [send]: cannot write to internal pipe", host->hostname);
155 rrdpush_unlock(host);
158 // ----------------------------------------------------------------------------
159 // rrdpush sender thread
161 // resets all the chart, so that their definitions
162 // will be resent to the central netdata
163 static void rrdpush_sender_thread_reset_all_charts(RRDHOST *host) {
164 rrdhost_rdlock(host);
167 rrdset_foreach_read(st, host) {
169 // make it re-align the current time
170 // on the remote host
171 st->counter_done = 0;
176 rrddim_foreach_read(rd, st)
177 rrddim_flag_clear(rd, RRDDIM_FLAG_EXPOSED);
182 rrdhost_unlock(host);
185 static inline void rrdpush_sender_thread_data_flush(RRDHOST *host) {
187 if(buffer_strlen(host->rrdpush_buffer))
188 error("STREAM %s [send]: discarding %zu bytes of metrics already in the buffer.", host->hostname, buffer_strlen(host->rrdpush_buffer));
190 buffer_flush(host->rrdpush_buffer);
191 rrdpush_sender_thread_reset_all_charts(host);
192 rrdpush_unlock(host);
195 static inline void rrdpush_sender_thread_lock(RRDHOST *host) {
196 if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0)
197 error("STREAM %s [send]: cannot set pthread cancel state to DISABLE.", host->hostname);
202 static inline void rrdpush_sender_thread_unlock(RRDHOST *host) {
203 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
204 error("STREAM %s [send]: cannot set pthread cancel state to DISABLE.", host->hostname);
206 rrdpush_unlock(host);
209 void rrdpush_sender_thread_cleanup(RRDHOST *host) {
212 host->rrdpush_connected = 0;
214 if(host->rrdpush_socket != -1) close(host->rrdpush_socket);
217 if(host->rrdpush_pipe[PIPE_READ] != -1) close(host->rrdpush_pipe[PIPE_READ]);
218 if(host->rrdpush_pipe[PIPE_WRITE] != -1) close(host->rrdpush_pipe[PIPE_WRITE]);
219 host->rrdpush_pipe[PIPE_READ] = -1;
220 host->rrdpush_pipe[PIPE_WRITE] = -1;
222 buffer_free(host->rrdpush_buffer);
223 host->rrdpush_buffer = NULL;
225 host->rrdpush_spawn = 0;
226 host->rrdpush_enabled = 0;
228 rrdpush_unlock(host);
231 void *rrdpush_sender_thread(void *ptr) {
232 RRDHOST *host = (RRDHOST *)ptr;
234 info("STREAM %s [send]: thread created (task id %d)", host->hostname, gettid());
236 if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
237 error("STREAM %s [send]: cannot set pthread cancel type to DEFERRED.", host->hostname);
239 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
240 error("STREAM %s [send]: cannot set pthread cancel state to ENABLE.", host->hostname);
242 int timeout = (int)appconfig_get_number(&stream_config, CONFIG_SECTION_STREAM, "timeout seconds", 60);
243 int default_port = (int)appconfig_get_number(&stream_config, CONFIG_SECTION_STREAM, "default port", 19999);
244 size_t max_size = (size_t)appconfig_get_number(&stream_config, CONFIG_SECTION_STREAM, "buffer size bytes", 1024 * 1024);
245 unsigned int reconnect_delay = (unsigned int)appconfig_get_number(&stream_config, CONFIG_SECTION_STREAM, "reconnect delay seconds", 5);
246 remote_clock_resync_iterations = (unsigned int)appconfig_get_number(&stream_config, CONFIG_SECTION_STREAM, "initial clock resync iterations", remote_clock_resync_iterations);
247 char connected_to[CONNECTED_TO_SIZE + 1] = "";
249 if(!host->rrdpush_enabled || !host->rrdpush_destination || !*host->rrdpush_destination || !host->rrdpush_api_key || !*host->rrdpush_api_key)
252 // initialize rrdpush globals
253 host->rrdpush_buffer = buffer_create(1);
254 host->rrdpush_connected = 0;
255 if(pipe(host->rrdpush_pipe) == -1) fatal("STREAM %s [send]: cannot create required pipe.", host->hostname);
257 // initialize local variables
259 size_t reconnects_counter = 0;
260 size_t sent_bytes = 0;
261 size_t sent_connection = 0;
263 struct timeval tv = {
268 struct pollfd fds[2], *ifd, *ofd;
274 for(; host->rrdpush_enabled && !netdata_exit ;) {
276 if(unlikely(host->rrdpush_socket == -1)) {
277 // stop appending data into rrdpush_buffer
278 // they will be lost, so there is no point to do it
279 host->rrdpush_connected = 0;
281 info("STREAM %s [send to %s]: connecting...", host->hostname, host->rrdpush_destination);
282 host->rrdpush_socket = connect_to_one_of(host->rrdpush_destination, default_port, &tv, &reconnects_counter, connected_to, CONNECTED_TO_SIZE);
284 if(unlikely(host->rrdpush_socket == -1)) {
285 error("STREAM %s [send to %s]: failed to connect", host->hostname, host->rrdpush_destination);
286 sleep(reconnect_delay);
290 info("STREAM %s [send to %s]: initializing communication...", host->hostname, connected_to);
293 snprintfz(http, 1000,
294 "STREAM key=%s&hostname=%s&machine_guid=%s&os=%s&update_every=%d HTTP/1.1\r\n"
295 "User-Agent: netdata-push-service/%s\r\n"
296 "Accept: */*\r\n\r\n"
297 , host->rrdpush_api_key
301 , default_rrd_update_every
305 if(send_timeout(host->rrdpush_socket, http, strlen(http), 0, timeout) == -1) {
306 close(host->rrdpush_socket);
307 host->rrdpush_socket = -1;
308 error("STREAM %s [send to %s]: failed to send http header to netdata", host->hostname, connected_to);
309 sleep(reconnect_delay);
313 info("STREAM %s [send to %s]: waiting response from remote netdata...", host->hostname, connected_to);
315 if(recv_timeout(host->rrdpush_socket, http, 1000, 0, timeout) == -1) {
316 close(host->rrdpush_socket);
317 host->rrdpush_socket = -1;
318 error("STREAM %s [send to %s]: failed to initialize communication", host->hostname, connected_to);
319 sleep(reconnect_delay);
323 if(strncmp(http, START_STREAMING_PROMPT, strlen(START_STREAMING_PROMPT))) {
324 close(host->rrdpush_socket);
325 host->rrdpush_socket = -1;
326 error("STREAM %s [send to %s]: server is not replying properly.", host->hostname, connected_to);
327 sleep(reconnect_delay);
331 info("STREAM %s [send to %s]: established communication - sending metrics...", host->hostname, connected_to);
333 if(fcntl(host->rrdpush_socket, F_SETFL, O_NONBLOCK) < 0)
334 error("STREAM %s [send to %s]: cannot set non-blocking mode for socket.", host->hostname, connected_to);
336 rrdpush_sender_thread_data_flush(host);
339 // allow appending data into rrdpush_buffer
340 host->rrdpush_connected = 1;
343 ifd->fd = host->rrdpush_pipe[PIPE_READ];
344 ifd->events = POLLIN;
347 ofd->fd = host->rrdpush_socket;
349 if(begin < buffer_strlen(host->rrdpush_buffer)) {
350 ofd->events = POLLOUT;
358 if(netdata_exit) break;
359 int retval = poll(fds, fdmax, timeout * 1000);
360 if(netdata_exit) break;
362 if(unlikely(retval == -1)) {
363 if(errno == EAGAIN || errno == EINTR)
366 error("STREAM %s [send to %s]: failed to poll().", host->hostname, connected_to);
367 close(host->rrdpush_socket);
368 host->rrdpush_socket = -1;
371 else if(unlikely(!retval)) {
376 if(ifd->revents & POLLIN) {
377 char buffer[1000 + 1];
378 if(read(host->rrdpush_pipe[PIPE_READ], buffer, 1000) == -1)
379 error("STREAM %s [send to %s]: cannot read from internal pipe.", host->hostname, connected_to);
382 if(ofd->revents & POLLOUT && begin < buffer_strlen(host->rrdpush_buffer)) {
383 rrdpush_sender_thread_lock(host);
384 ssize_t ret = send(host->rrdpush_socket, &host->rrdpush_buffer->buffer[begin], buffer_strlen(host->rrdpush_buffer) - begin, MSG_DONTWAIT);
386 if(errno != EAGAIN && errno != EINTR) {
387 error("STREAM %s [send to %s]: failed to send metrics - closing connection - we have sent %zu bytes on this connection.", host->hostname, connected_to, sent_connection);
388 close(host->rrdpush_socket);
389 host->rrdpush_socket = -1;
393 sent_connection += ret;
396 if(begin == buffer_strlen(host->rrdpush_buffer)) {
397 buffer_flush(host->rrdpush_buffer);
401 rrdpush_sender_thread_unlock(host);
404 // protection from overflow
405 if(host->rrdpush_buffer->len > max_size) {
407 error("STREAM %s [send to %s]: too many data pending - buffer is %zu bytes long, %zu unsent - we have sent %zu bytes in total, %zu on this connection. Closing connection to flush the data.", host->hostname, connected_to, host->rrdpush_buffer->len, host->rrdpush_buffer->len - begin, sent_bytes, sent_connection);
408 if(host->rrdpush_socket != -1) {
409 close(host->rrdpush_socket);
410 host->rrdpush_socket = -1;
416 debug(D_WEB_CLIENT, "STREAM %s [send]: sending thread exits.", host->hostname);
418 rrdpush_sender_thread_cleanup(host);
425 // ----------------------------------------------------------------------------
426 // rrdpush receiver thread
428 int rrdpush_receive(int fd, const char *key, const char *hostname, const char *machine_guid, const char *os, int update_every, char *client_ip, char *client_port) {
430 int history = default_rrd_history_entries;
431 RRD_MEMORY_MODE mode = default_rrd_memory_mode;
432 int health_enabled = default_health_enabled;
433 int rrdpush_enabled = default_rrdpush_enabled;
434 char *rrdpush_destination = default_rrdpush_destination;
435 char *rrdpush_api_key = default_rrdpush_api_key;
436 time_t alarms_delay = 60;
438 update_every = (int)appconfig_get_number(&stream_config, machine_guid, "update every", update_every);
439 if(update_every < 0) update_every = 1;
441 history = (int)appconfig_get_number(&stream_config, key, "default history", history);
442 history = (int)appconfig_get_number(&stream_config, machine_guid, "history", history);
443 if(history < 5) history = 5;
445 mode = rrd_memory_mode_id(appconfig_get(&stream_config, key, "default memory mode", rrd_memory_mode_name(mode)));
446 mode = rrd_memory_mode_id(appconfig_get(&stream_config, machine_guid, "memory mode", rrd_memory_mode_name(mode)));
448 health_enabled = appconfig_get_boolean_ondemand(&stream_config, key, "health enabled by default", health_enabled);
449 health_enabled = appconfig_get_boolean_ondemand(&stream_config, machine_guid, "health enabled", health_enabled);
451 alarms_delay = appconfig_get_number(&stream_config, key, "default postpone alarms on connect seconds", alarms_delay);
452 alarms_delay = appconfig_get_number(&stream_config, machine_guid, "postpone alarms on connect seconds", alarms_delay);
454 rrdpush_enabled = appconfig_get_boolean(&stream_config, key, "default proxy enabled", rrdpush_enabled);
455 rrdpush_enabled = appconfig_get_boolean(&stream_config, machine_guid, "proxy enabled", rrdpush_enabled);
457 rrdpush_destination = appconfig_get(&stream_config, key, "default proxy destination", rrdpush_destination);
458 rrdpush_destination = appconfig_get(&stream_config, machine_guid, "proxy destination", rrdpush_destination);
460 rrdpush_api_key = appconfig_get(&stream_config, key, "default proxy api key", rrdpush_api_key);
461 rrdpush_api_key = appconfig_get(&stream_config, machine_guid, "proxy api key", rrdpush_api_key);
463 if(!strcmp(machine_guid, "localhost"))
466 host = rrdhost_find_or_create(
473 , (health_enabled != CONFIG_BOOLEAN_NO)
474 , (rrdpush_enabled && rrdpush_destination && *rrdpush_destination && rrdpush_api_key && *rrdpush_api_key)
475 , rrdpush_destination
481 error("STREAM %s [receive from [%s]:%s]: failed to find/create host structure.", hostname, client_ip, client_port);
485 #ifdef NETDATA_INTERNAL_CHECKS
486 info("STREAM %s [receive from [%s]:%s]: client willing to stream metrics for host '%s' with machine_guid '%s': update every = %d, history = %d, memory mode = %s, health %s"
492 , host->rrd_update_every
493 , host->rrd_history_entries
494 , rrd_memory_mode_name(host->rrd_memory_mode)
495 , (health_enabled == CONFIG_BOOLEAN_NO)?"disabled":((health_enabled == CONFIG_BOOLEAN_YES)?"enabled":"auto")
497 #endif // NETDATA_INTERNAL_CHECKS
499 struct plugind cd = {
501 .update_every = default_rrd_update_every,
503 .serial_failures = 0,
504 .successful_collections = 0,
506 .started_t = now_realtime_sec(),
510 // put the client IP and port into the buffers used by plugins.d
511 snprintfz(cd.id, CONFIG_MAX_NAME, "%s:%s", client_ip, client_port);
512 snprintfz(cd.filename, FILENAME_MAX, "%s:%s", client_ip, client_port);
513 snprintfz(cd.fullfilename, FILENAME_MAX, "%s:%s", client_ip, client_port);
514 snprintfz(cd.cmd, PLUGINSD_CMD_MAX, "%s:%s", client_ip, client_port);
516 info("STREAM %s [receive from [%s]:%s]: initializing communication...", host->hostname, client_ip, client_port);
517 if(send_timeout(fd, START_STREAMING_PROMPT, strlen(START_STREAMING_PROMPT), 0, 60) != strlen(START_STREAMING_PROMPT)) {
518 error("STREAM %s [receive from [%s]:%s]: cannot send ready command.", host->hostname, client_ip, client_port);
522 // remove the non-blocking flag from the socket
523 if(fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) & ~O_NONBLOCK) == -1)
524 error("STREAM %s [receive from [%s]:%s]: cannot remove the non-blocking flag from socket %d", host->hostname, client_ip, client_port, fd);
526 // convert the socket to a FILE *
527 FILE *fp = fdopen(fd, "r");
529 error("STREAM %s [receive from [%s]:%s]: failed to get a FILE for FD %d.", host->hostname, client_ip, client_port, fd);
533 rrdhost_wrlock(host);
535 if(health_enabled != CONFIG_BOOLEAN_NO)
536 host->health_delay_up_to = now_realtime_sec() + alarms_delay;
537 rrdhost_unlock(host);
539 // call the plugins.d processor to receive the metrics
540 info("STREAM %s [receive from [%s]:%s]: receiving metrics...", host->hostname, client_ip, client_port);
541 size_t count = pluginsd_process(host, &cd, fp, 1);
542 error("STREAM %s [receive from [%s]:%s]: disconnected (completed updates %zu).", host->hostname, client_ip, client_port, count);
544 rrdhost_wrlock(host);
546 if(!host->use_counter) {
547 if(health_enabled == CONFIG_BOOLEAN_AUTO)
548 host->health_enabled = 0;
550 if(host->rrdpush_enabled && host->rrdpush_spawn) {
551 pthread_cancel(host->rrdpush_thread);
552 rrdpush_sender_thread_cleanup(host);
555 rrdhost_unlock(host);
563 struct rrdpush_thread {
574 void *rrdpush_receiver_thread(void *ptr) {
575 struct rrdpush_thread *rpt = (struct rrdpush_thread *)ptr;
577 if (pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
578 error("STREAM %s [receive]: cannot set pthread cancel type to DEFERRED.", rpt->hostname);
580 if (pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
581 error("STREAM %s [receive]: cannot set pthread cancel state to ENABLE.", rpt->hostname);
584 info("STREAM %s [%s]:%s: receive thread created (task id %d)", rpt->hostname, rpt->client_ip, rpt->client_port, gettid());
585 rrdpush_receive(rpt->fd, rpt->key, rpt->hostname, rpt->machine_guid, rpt->os, rpt->update_every, rpt->client_ip, rpt->client_port);
586 info("STREAM %s [receive from [%s]:%s]: receive thread ended (task id %d)", rpt->hostname, rpt->client_ip, rpt->client_port, gettid());
590 freez(rpt->hostname);
591 freez(rpt->machine_guid);
593 freez(rpt->client_ip);
594 freez(rpt->client_port);
601 void rrdpush_sender_thread_spawn(RRDHOST *host) {
602 if(pthread_create(&host->rrdpush_thread, NULL, rrdpush_sender_thread, (void *)host))
603 error("STREAM %s [send]: failed to create new thread for client.", host->hostname);
605 else if(pthread_detach(host->rrdpush_thread))
606 error("STREAM %s [send]: cannot request detach newly created thread.", host->hostname);
608 host->rrdpush_spawn = 1;
611 int rrdpush_receiver_thread_spawn(RRDHOST *host, struct web_client *w, char *url) {
614 info("STREAM [receive from [%s]:%s]: new client connection.", w->client_ip, w->client_port);
616 char *key = NULL, *hostname = NULL, *machine_guid = NULL, *os = NULL;
617 int update_every = default_rrd_update_every;
618 char buf[GUID_LEN + 1];
621 char *value = mystrsep(&url, "?&");
622 if(!value || !*value) continue;
624 char *name = mystrsep(&value, "=");
625 if(!name || !*name) continue;
626 if(!value || !*value) continue;
628 if(!strcmp(name, "key"))
630 else if(!strcmp(name, "hostname"))
632 else if(!strcmp(name, "machine_guid"))
633 machine_guid = value;
634 else if(!strcmp(name, "update_every"))
635 update_every = (int)strtoul(value, NULL, 0);
636 else if(!strcmp(name, "os"))
641 error("STREAM [receive from [%s]:%s]: request without an API key. Forbidding access.", w->client_ip, w->client_port);
642 buffer_flush(w->response.data);
643 buffer_sprintf(w->response.data, "You need an API key for this request.");
647 if(!hostname || !*hostname) {
648 error("STREAM [receive from [%s]:%s]: request without a hostname. Forbidding access.", w->client_ip, w->client_port);
649 buffer_flush(w->response.data);
650 buffer_sprintf(w->response.data, "You need to send a hostname too.");
654 if(!machine_guid || !*machine_guid) {
655 error("STREAM [receive from [%s]:%s]: request without a machine GUID. Forbidding access.", w->client_ip, w->client_port);
656 buffer_flush(w->response.data);
657 buffer_sprintf(w->response.data, "You need to send a machine GUID too.");
661 if(regenerate_guid(key, buf) == -1) {
662 error("STREAM [receive from [%s]:%s]: API key '%s' is not valid GUID. Forbidding access.", w->client_ip, w->client_port, key);
663 buffer_flush(w->response.data);
664 buffer_sprintf(w->response.data, "Your API key is invalid.");
668 if(regenerate_guid(machine_guid, buf) == -1) {
669 error("STREAM [receive from [%s]:%s]: machine GUID '%s' is not GUID. Forbidding access.", w->client_ip, w->client_port, key);
670 buffer_flush(w->response.data);
671 buffer_sprintf(w->response.data, "Your machine GUID is invalid.");
675 if(!appconfig_get_boolean(&stream_config, key, "enabled", 1)) {
676 error("STREAM [receive from [%s]:%s]: API key '%s' is not allowed. Forbidding access.", w->client_ip, w->client_port, machine_guid);
677 buffer_flush(w->response.data);
678 buffer_sprintf(w->response.data, "Your API key is not permitted access.");
682 if(!appconfig_get_boolean(&stream_config, machine_guid, "enabled", 1)) {
683 error("STREAM [receive from [%s]:%s]: machine GUID '%s' is not allowed. Forbidding access.", w->client_ip, w->client_port, machine_guid);
684 buffer_flush(w->response.data);
685 buffer_sprintf(w->response.data, "Your machine guide is not permitted access.");
689 struct rrdpush_thread *rpt = mallocz(sizeof(struct rrdpush_thread));
691 rpt->key = strdupz(key);
692 rpt->hostname = strdupz(hostname);
693 rpt->machine_guid = strdupz(machine_guid);
694 rpt->os = strdupz(os);
695 rpt->client_ip = strdupz(w->client_ip);
696 rpt->client_port = strdupz(w->client_port);
697 rpt->update_every = update_every;
700 debug(D_SYSTEM, "STREAM [receive from [%s]:%s]: starting receiving thread.", w->client_ip, w->client_port);
702 if(pthread_create(&thread, NULL, rrdpush_receiver_thread, (void *)rpt))
703 error("STREAM [receive from [%s]:%s]: failed to create new thread for client.", w->client_ip, w->client_port);
705 else if(pthread_detach(thread))
706 error("STREAM [receive from [%s]:%s]: cannot request detach newly created thread.", w->client_ip, w->client_port);
708 // prevent the caller from closing the streaming socket
710 w->ifd = w->ofd = -1;
714 buffer_flush(w->response.data);