-
-#ifdef NETDATA_WITH_ZLIB
-#include <zlib.h>
-#endif
-
-#include <sys/time.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-
-#include "web_buffer.h"
-#include "dictionary.h"
+#ifndef NETDATA_WEB_CLIENT_H
+#define NETDATA_WEB_CLIENT_H 1
#define DEFAULT_DISCONNECT_IDLE_WEB_CLIENTS_AFTER_SECONDS 60
extern int web_client_timeout;
-extern int web_enable_gzip;
-#ifndef NETDATA_WEB_CLIENT_H
-#define NETDATA_WEB_CLIENT_H 1
+#ifdef NETDATA_WITH_ZLIB
+extern int web_enable_gzip,
+ web_gzip_level,
+ web_gzip_strategy;
+#endif /* NETDATA_WITH_ZLIB */
-#define WEB_CLIENT_MODE_NORMAL 0
-#define WEB_CLIENT_MODE_FILECOPY 1
-#define WEB_CLIENT_MODE_OPTIONS 2
+extern int respect_web_browser_do_not_track_policy;
+extern char *web_x_frame_options;
+
+typedef enum web_client_mode {
+ WEB_CLIENT_MODE_NORMAL = 0,
+ WEB_CLIENT_MODE_FILECOPY = 1,
+ WEB_CLIENT_MODE_OPTIONS = 2,
+ WEB_CLIENT_MODE_STREAM = 3
+} WEB_CLIENT_MODE;
#define URL_MAX 8192
-#define ZLIB_CHUNK 16384
+#define ZLIB_CHUNK 16384
#define HTTP_RESPONSE_HEADER_SIZE 4096
#define COOKIE_MAX 1024
#define ORIGIN_MAX 1024
struct response {
- BUFFER *header; // our response header
- BUFFER *header_output; // internal use
- BUFFER *data; // our response data buffer
+ BUFFER *header; // our response header
+ BUFFER *header_output; // internal use
+ BUFFER *data; // our response data buffer
- int code; // the HTTP response code
+ int code; // the HTTP response code
- size_t rlen; // if non-zero, the excepted size of ifd (input)
- size_t sent; // current data length sent to output
+ size_t rlen; // if non-zero, the excepted size of ifd (input of firecopy)
+ size_t sent; // current data length sent to output
- int zoutput; // if set to 1, web_client_send() will send compressed data
+ int zoutput; // if set to 1, web_client_send() will send compressed data
#ifdef NETDATA_WITH_ZLIB
- z_stream zstream; // zlib stream for sending compressed output to client
- Bytef zbuffer[ZLIB_CHUNK]; // temporary buffer for storing compressed output
- long zsent; // the compressed bytes we have sent to the client
- long zhave; // the compressed bytes that we have to send
- int zinitialized;
-#endif
+ z_stream zstream; // zlib stream for sending compressed output to client
+ Bytef zbuffer[ZLIB_CHUNK]; // temporary buffer for storing compressed output
+ size_t zsent; // the compressed bytes we have sent to the client
+ size_t zhave; // the compressed bytes that we have received from zlib
+ int zinitialized:1;
+#endif /* NETDATA_WITH_ZLIB */
};
struct web_client {
- unsigned long long id;
+ unsigned long long id;
+
+ uint8_t obsolete:1; // if set to 1, the listener will remove this client
+ // after setting this to 1, you should not touch
+ // this web_client
+
+ uint8_t dead:1; // if set to 1, this client is dead
+
+ uint8_t keepalive:1; // if set to 1, the web client will be re-used
- char client_ip[NI_MAXHOST+1];
- char client_port[NI_MAXSERV+1];
+ uint8_t wait_receive:1; // 1 = we are waiting more input data
+ uint8_t wait_send:1; // 1 = we have data to send to the client
- char decoded_url[URL_MAX + 1]; // we decode the URL in this buffer
- char last_url[URL_MAX+1]; // we keep a copy of the decoded URL here
+ uint8_t donottrack:1; // 1 = we should not set cookies on this client
+ uint8_t tracking_required:1; // 1 = if the request requires cookies
- struct timeval tv_in, tv_ready;
+ WEB_CLIENT_MODE mode; // the operational mode of the client
- char cookie1[COOKIE_MAX+1];
- char cookie2[COOKIE_MAX+1];
- char origin[ORIGIN_MAX+1];
+ int tcp_cork; // 1 = we have a cork on the socket
- int mode;
- int keepalive;
- int enable_gzip;
+ int ifd;
+ int ofd;
- struct sockaddr_storage clientaddr;
+ char client_ip[NI_MAXHOST+1];
+ char client_port[NI_MAXSERV+1];
- pthread_t thread; // the thread servicing this client
- int obsolete; // if set to 1, the listener will remove this client
+ char decoded_url[URL_MAX + 1]; // we decode the URL in this buffer
+ char last_url[URL_MAX+1]; // we keep a copy of the decoded URL here
- int ifd;
- int ofd;
+ struct timeval tv_in, tv_ready;
- struct response response;
+ char cookie1[COOKIE_MAX+1];
+ char cookie2[COOKIE_MAX+1];
+ char origin[ORIGIN_MAX+1];
- int wait_receive;
- int wait_send;
+ struct sockaddr_storage clientaddr;
+ struct response response;
- unsigned long stats_received_bytes;
- unsigned long stats_sent_bytes;
+ size_t stats_received_bytes;
+ size_t stats_sent_bytes;
- struct web_client *prev;
- struct web_client *next;
+ pthread_t thread; // the thread servicing this client
+
+ struct web_client *prev;
+ struct web_client *next;
};
+#define WEB_CLIENT_IS_DEAD(w) (w)->dead=1
+
extern struct web_client *web_clients;
extern uid_t web_files_uid(void);
extern struct web_client *web_client_create(int listener);
extern struct web_client *web_client_free(struct web_client *w);
+extern ssize_t web_client_send(struct web_client *w);
+extern ssize_t web_client_receive(struct web_client *w);
+extern void web_client_process_request(struct web_client *w);
+extern void web_client_reset(struct web_client *w);
extern void *web_client_main(void *ptr);
+extern int web_client_api_request_v1_data_group(char *name, int def);
+extern const char *group_method2string(int group);
+
+extern void buffer_data_options2string(BUFFER *wb, uint32_t options);
+
+extern int mysendfile(struct web_client *w, char *filename);
+
#endif
projects / netdata.git / blobdiff