From d4dd00f58a502c9ca4b63e36ce6bc7a9945dc63c Mon Sep 17 00:00:00 2001 From: Federico Ceratto Date: Tue, 27 Mar 2018 22:28:21 +0100 Subject: New upstream version 1.10.0+dfsg --- src/web_client.h | 80 +++++++++++++++++++++++++++----------------------------- 1 file changed, 38 insertions(+), 42 deletions(-) (limited to 'src/web_client.h') diff --git a/src/web_client.h b/src/web_client.h index a07558e1e..b495c37e1 100644 --- a/src/web_client.h +++ b/src/web_client.h @@ -1,9 +1,6 @@ #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; - #ifdef NETDATA_WITH_ZLIB extern int web_enable_gzip, web_gzip_level, @@ -21,10 +18,6 @@ typedef enum web_client_mode { } WEB_CLIENT_MODE; typedef enum web_client_flags { - WEB_CLIENT_FLAG_OBSOLETE = 1 << 0, // if set, the listener will remove this client - // after setting this, you should not touch - // this web_client - WEB_CLIENT_FLAG_DEAD = 1 << 1, // if set, this client is dead WEB_CLIENT_FLAG_KEEPALIVE = 1 << 2, // if set, the web client will be re-used @@ -36,7 +29,9 @@ typedef enum web_client_flags { WEB_CLIENT_FLAG_TRACKING_REQUIRED = 1 << 6, // if set, we need to send cookies WEB_CLIENT_FLAG_TCP_CLIENT = 1 << 7, // if set, the client is using a TCP socket - WEB_CLIENT_FLAG_UNIX_CLIENT = 1 << 8 // if set, the client is using a UNIX socket + WEB_CLIENT_FLAG_UNIX_CLIENT = 1 << 8, // if set, the client is using a UNIX socket + + WEB_CLIENT_FLAG_DONT_CLOSE_SOCKET = 1 << 9, // don't close the socket when cleaning up (static-threaded web server) } WEB_CLIENT_FLAGS; //#ifdef HAVE_C___ATOMIC @@ -49,9 +44,6 @@ typedef enum web_client_flags { #define web_client_flag_clear(w, flag) (w)->flags &= ~flag //#endif -#define WEB_CLIENT_IS_OBSOLETE(w) web_client_flag_set(w, WEB_CLIENT_FLAG_OBSOLETE) -#define web_client_check_obsolete(w) web_client_flag_check(w, WEB_CLIENT_FLAG_OBSOLETE) - #define WEB_CLIENT_IS_DEAD(w) web_client_flag_set(w, WEB_CLIENT_FLAG_DEAD) #define web_client_check_dead(w) web_client_flag_check(w, WEB_CLIENT_FLAG_DEAD) @@ -81,11 +73,14 @@ typedef enum web_client_flags { #define web_client_is_corkable(w) web_client_flag_check(w, WEB_CLIENT_FLAG_TCP_CLIENT) -#define URL_MAX 8192 -#define ZLIB_CHUNK 16384 -#define HTTP_RESPONSE_HEADER_SIZE 4096 -#define COOKIE_MAX 1024 -#define ORIGIN_MAX 1024 +#define NETDATA_WEB_REQUEST_URL_SIZE 8192 +#define NETDATA_WEB_RESPONSE_ZLIB_CHUNK_SIZE 16384 +#define NETDATA_WEB_RESPONSE_HEADER_SIZE 4096 +#define NETDATA_WEB_REQUEST_COOKIE_SIZE 1024 +#define NETDATA_WEB_REQUEST_ORIGIN_HEADER_SIZE 1024 +#define NETDATA_WEB_RESPONSE_INITIAL_SIZE 16384 +#define NETDATA_WEB_REQUEST_RECEIVE_SIZE 16384 +#define NETDATA_WEB_REQUEST_MAX_SIZE 16384 struct response { BUFFER *header; // our response header @@ -100,7 +95,7 @@ struct response { 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 + Bytef zbuffer[NETDATA_WEB_RESPONSE_ZLIB_CHUNK_SIZE]; // 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; @@ -129,11 +124,14 @@ typedef enum web_client_acl { struct web_client { unsigned long long id; - WEB_CLIENT_FLAGS flags; // status flags for the client - WEB_CLIENT_MODE mode; // the operational mode of the client - WEB_CLIENT_ACL acl; // the access list of the client + WEB_CLIENT_FLAGS flags; // status flags for the client + WEB_CLIENT_MODE mode; // the operational mode of the client + WEB_CLIENT_ACL acl; // the access list of the client + + size_t header_parse_tries; + size_t header_parse_last_size; - int tcp_cork; // 1 = we have a cork on the socket + int tcp_cork; // 1 = we have a cork on the socket int ifd; int ofd; @@ -141,47 +139,45 @@ struct web_client { char client_ip[NI_MAXHOST+1]; char client_port[NI_MAXSERV+1]; - 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 + char decoded_url[NETDATA_WEB_REQUEST_URL_SIZE + 1]; // we decode the URL in this buffer + char last_url[NETDATA_WEB_REQUEST_URL_SIZE+1]; // we keep a copy of the decoded URL here struct timeval tv_in, tv_ready; - char cookie1[COOKIE_MAX+1]; - char cookie2[COOKIE_MAX+1]; - char origin[ORIGIN_MAX+1]; + char cookie1[NETDATA_WEB_REQUEST_COOKIE_SIZE+1]; + char cookie2[NETDATA_WEB_REQUEST_COOKIE_SIZE+1]; + char origin[NETDATA_WEB_REQUEST_ORIGIN_HEADER_SIZE+1]; + char *user_agent; struct response response; size_t stats_received_bytes; size_t stats_sent_bytes; - pthread_t thread; // the thread servicing this client + // cache of web_client allocations + struct web_client *prev; // maintain a linked list of web clients + struct web_client *next; // for the web servers that need it - struct web_client *prev; - struct web_client *next; -}; + // MULTI-THREADED WEB SERVER MEMBERS + netdata_thread_t thread; // the thread servicing this client + volatile int running; // 1 when the thread runs, 0 otherwise -extern struct web_client *web_clients; -extern SIMPLE_PATTERN *web_allow_connections_from; -extern SIMPLE_PATTERN *web_allow_dashboard_from; -extern SIMPLE_PATTERN *web_allow_registry_from; -extern SIMPLE_PATTERN *web_allow_badges_from; -extern SIMPLE_PATTERN *web_allow_streaming_from; -extern SIMPLE_PATTERN *web_allow_netdataconf_from; + // STATIC-THREADED WEB SERVER MEMBERS + size_t pollinfo_slot; // POLLINFO slot of the web client + size_t pollinfo_filecopy_slot; // POLLINFO slot of the file read +}; extern uid_t web_files_uid(void); extern uid_t web_files_gid(void); extern int web_client_permission_denied(struct web_client *w); -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 ssize_t web_client_read_file(struct web_client *w); -extern void *web_client_main(void *ptr); +extern void web_client_process_request(struct web_client *w); +extern void web_client_request_done(struct web_client *w); extern int web_client_api_request_v1_data_group(char *name, int def); extern const char *group_method2string(int group); -- cgit v1.2.3