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nginx/src/core/ngx_connection.h

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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
2004-09-28 16:34:51 +08:00
/*
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
2004-09-30 00:00:49 +08:00
* Copyright (C) Igor Sysoev
Copyright updated.
2012-01-18 23:07:43 +08:00
* Copyright (C) Nginx, Inc.
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
2004-09-28 16:34:51 +08:00
*/
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
#ifndef _NGX_CONNECTION_H_INCLUDED_
#define _NGX_CONNECTION_H_INCLUDED_
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.1-2003-06-03-19:42:58 import
2003-06-03 23:42:58 +08:00
#include <ngx_config.h>
nginx-0.0.1-2003-05-20-19:37:55 import
2003-05-20 23:37:55 +08:00
#include <ngx_core.h>
nginx-0.0.1-2003-06-03-19:42:58 import
2003-06-03 23:42:58 +08:00
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
typedef struct ngx_listening_s ngx_listening_t;
struct ngx_listening_s {
ngx_socket_t fd;
struct sockaddr *sockaddr;
socklen_t socklen; /* size of sockaddr */
size_t addr_text_max_len;
ngx_str_t addr_text;
int type;
nginx-0.3.3-RELEASE import *) Change: the "bl" and "af" parameters of the "listen" directive was renamed to the "backlog" and "accept_filter". *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen" directive. *) Change: the "$msec" log parameter does not require now the additional the gettimeofday() system call. *) Feature: the -t switch now tests the "listen" directives. *) Bugfix: if the invalid address was specified in the "listen" directive, then after the -HUP signal nginx left an open socket in the CLOSED state. *) Bugfix: the mime type may be incorrectly set to default value for index file with variable in the name; the bug had appeared in 0.3.0. *) Feature: the "timer_resolution" directive. *) Feature: the millisecond "$upstream_response_time" log parameter. *) Bugfix: a temporary file with client request body now is removed just after the response header was transferred to a client. *) Bugfix: OpenSSL 0.9.6 compatibility. *) Bugfix: the SSL certificate and key file paths could not be relative. *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the ngx_imap_ssl_module. *) Bugfix: the "ssl_protocols" directive allowed to specify the single protocol only.
2005-10-19 20:33:58 +08:00
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
int backlog;
nginx-0.3.3-RELEASE import *) Change: the "bl" and "af" parameters of the "listen" directive was renamed to the "backlog" and "accept_filter". *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen" directive. *) Change: the "$msec" log parameter does not require now the additional the gettimeofday() system call. *) Feature: the -t switch now tests the "listen" directives. *) Bugfix: if the invalid address was specified in the "listen" directive, then after the -HUP signal nginx left an open socket in the CLOSED state. *) Bugfix: the mime type may be incorrectly set to default value for index file with variable in the name; the bug had appeared in 0.3.0. *) Feature: the "timer_resolution" directive. *) Feature: the millisecond "$upstream_response_time" log parameter. *) Bugfix: a temporary file with client request body now is removed just after the response header was transferred to a client. *) Bugfix: OpenSSL 0.9.6 compatibility. *) Bugfix: the SSL certificate and key file paths could not be relative. *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the ngx_imap_ssl_module. *) Bugfix: the "ssl_protocols" directive allowed to specify the single protocol only.
2005-10-19 20:33:58 +08:00
int rcvbuf;
int sndbuf;
Added the "so_keepalive=" parameter to the "listen" directive. The "so_keepalive" directive in mail module was deprecated. Thanks to Vsevolod Stakhov for initial work.
2011-12-05 16:06:15 +08:00
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
int keepidle;
int keepintvl;
int keepcnt;
#endif
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
/* handler of accepted connection */
nginx-0.2.2-RELEASE import *) Feature: the "config errmsg" command of the ngx_http_ssi_module. *) Change: the ngx_http_geo_module variables can be overridden by the "set" directive. *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers" directives of the ngx_http_ssl_module and ngx_imap_ssl_module. *) Bugfix: the ngx_http_autoindex_module did not show correctly the long file names; *) Bugfix: the ngx_http_autoindex_module now do not show the files starting by dot. *) Bugfix: if the SSL handshake failed then another connection may be closed too. Thanks to Rob Mueller. *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
2005-09-30 22:41:25 +08:00
ngx_connection_handler_pt handler;
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
void *servers; /* array of ngx_http_in_addr_t, for example */
ngx_log_t log;
*) refactor error_log processing: listen socket log might inherit built-in error_log with zero level, and r2447, r2466, r2467 were not enough *) remove bogus "stderr" level *) some functions and fields renames
2009-04-30 21:53:42 +08:00
ngx_log_t *logp;
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
size_t pool_size;
/* should be here because of the AcceptEx() preread */
size_t post_accept_buffer_size;
/* should be here because of the deferred accept */
nginx-0.3.0-RELEASE import *) Change: the 10-days live time limit of worker process was eliminated. The limit was introduced because of millisecond timers overflow.
2005-10-07 21:30:52 +08:00
ngx_msec_t post_accept_timeout;
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
ngx_listening_t *previous;
ngx_connection_t *connection;
unsigned open:1;
unsigned remain:1;
unsigned ignore:1;
unsigned bound:1; /* already bound */
unsigned inherited:1; /* inherited from previous process */
unsigned nonblocking_accept:1;
nginx-0.3.3-RELEASE import *) Change: the "bl" and "af" parameters of the "listen" directive was renamed to the "backlog" and "accept_filter". *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen" directive. *) Change: the "$msec" log parameter does not require now the additional the gettimeofday() system call. *) Feature: the -t switch now tests the "listen" directives. *) Bugfix: if the invalid address was specified in the "listen" directive, then after the -HUP signal nginx left an open socket in the CLOSED state. *) Bugfix: the mime type may be incorrectly set to default value for index file with variable in the name; the bug had appeared in 0.3.0. *) Feature: the "timer_resolution" directive. *) Feature: the millisecond "$upstream_response_time" log parameter. *) Bugfix: a temporary file with client request body now is removed just after the response header was transferred to a client. *) Bugfix: OpenSSL 0.9.6 compatibility. *) Bugfix: the SSL certificate and key file paths could not be relative. *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the ngx_imap_ssl_module. *) Bugfix: the "ssl_protocols" directive allowed to specify the single protocol only.
2005-10-19 20:33:58 +08:00
unsigned listen:1;
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
unsigned nonblocking:1;
unsigned shared:1; /* shared between threads or processes */
unsigned addr_ntop:1;
nginx-0.1.36-RELEASE import *) Change: if the request header has duplicate the "Host", "Connection", "Content-Length", or "Authorization" lines, then nginx now returns the 400 error. *) Change: the "post_accept_timeout" directive was canceled. *) Feature: the "default", "af=", "bl=", "deferred", and "bind" parameters of the "listen" directive. *) Feature: the FreeBSD accept filters support. *) Feature: the Linux TCP_DEFER_ACCEPT support. *) Bugfix: the ngx_http_autoindex_module did not support the file names in UTF-8. *) Bugfix: the new log file can be rotated by the -USR1 signal only if the reconfiguration by the -HUP signal was made twice.
2005-06-16 02:33:41 +08:00
ipv6only
2009-03-13 22:20:34 +08:00
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
Core: ipv6only is now on by default. There is a general consensus that this change results in better consistency between different operating systems and differently tuned operating systems. Note: this changes the width and meaning of the ipv6only field of the ngx_listening_t structure. 3rd party modules that create their own listening sockets might need fixing.
2012-07-30 20:27:06 +08:00
unsigned ipv6only:1;
ipv6only
2009-03-13 22:20:34 +08:00
#endif
Added the "so_keepalive=" parameter to the "listen" directive. The "so_keepalive" directive in mail module was deprecated. Thanks to Vsevolod Stakhov for initial work.
2011-12-05 16:06:15 +08:00
unsigned keepalive:2;
ipv6only
2009-03-13 22:20:34 +08:00
nginx-0.1.9-RELEASE import *) Bugfix: the proxied request was sent without arguments if the request contains "//", "/./", "/../" or "%XX". *) Bugfix: the large compressed responses may be transferred not completely. *) Bugfix: the files bigger than 2G was not transferred on Linux that does not support sendfile64(). *) Bugfix: while the build configuration on Linux the --with-poll_module parameter was required; the bug had appeared in 0.1.8.
2004-11-26 00:17:31 +08:00
#if (NGX_HAVE_DEFERRED_ACCEPT)
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
unsigned deferred_accept:1;
unsigned delete_deferred:1;
unsigned add_deferred:1;
nginx-0.1.36-RELEASE import *) Change: if the request header has duplicate the "Host", "Connection", "Content-Length", or "Authorization" lines, then nginx now returns the 400 error. *) Change: the "post_accept_timeout" directive was canceled. *) Feature: the "default", "af=", "bl=", "deferred", and "bind" parameters of the "listen" directive. *) Feature: the FreeBSD accept filters support. *) Feature: the Linux TCP_DEFER_ACCEPT support. *) Bugfix: the ngx_http_autoindex_module did not support the file names in UTF-8. *) Bugfix: the new log file can be rotated by the -USR1 signal only if the reconfiguration by the -HUP signal was made twice.
2005-06-16 02:33:41 +08:00
#ifdef SO_ACCEPTFILTER
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
char *accept_filter;
nginx-0.1.36-RELEASE import *) Change: if the request header has duplicate the "Host", "Connection", "Content-Length", or "Authorization" lines, then nginx now returns the 400 error. *) Change: the "post_accept_timeout" directive was canceled. *) Feature: the "default", "af=", "bl=", "deferred", and "bind" parameters of the "listen" directive. *) Feature: the FreeBSD accept filters support. *) Feature: the Linux TCP_DEFER_ACCEPT support. *) Bugfix: the ngx_http_autoindex_module did not support the file names in UTF-8. *) Bugfix: the new log file can be rotated by the -USR1 signal only if the reconfiguration by the -HUP signal was made twice.
2005-06-16 02:33:41 +08:00
#endif
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
#endif
listen setfib=X
2010-07-05 21:49:16 +08:00
#if (NGX_HAVE_SETFIB)
int setfib;
#endif
nginx-0.0.10-2004-09-09-19:40:48 import
2004-09-09 23:40:48 +08:00
Added support for TCP_FASTOPEN supported in Linux >= 3.7.1. --- auto/unix | 12 ++++++++++++ src/core/ngx_connection.c | 32 ++++++++++++++++++++++++++++++++ src/core/ngx_connection.h | 4 ++++ src/http/ngx_http.c | 4 ++++ src/http/ngx_http_core_module.c | 21 +++++++++++++++++++++ src/http/ngx_http_core_module.h | 3 +++ 6 files changed, 76 insertions(+)
2013-12-04 02:07:03 +08:00
#if (NGX_HAVE_TCP_FASTOPEN)
int fastopen;
#endif
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
};
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.2-2004-02-10-19:23:38 import
2004-02-11 00:23:38 +08:00
typedef enum {
ignore EINVAL from setsockopt() on Solaris
2009-03-12 15:16:15 +08:00
NGX_ERROR_ALERT = 0,
nginx-0.0.2-2004-02-10-19:23:38 import
2004-02-11 00:23:38 +08:00
NGX_ERROR_ERR,
NGX_ERROR_INFO,
ignore EINVAL from setsockopt() on Solaris
2009-03-12 15:16:15 +08:00
NGX_ERROR_IGNORE_ECONNRESET,
NGX_ERROR_IGNORE_EINVAL
nginx-0.0.2-2004-02-10-19:23:38 import
2004-02-11 00:23:38 +08:00
} ngx_connection_log_error_e;
nginx-0.0.3-2004-06-01-10:04:46 import
2004-06-01 14:04:46 +08:00
typedef enum {
nginx-0.1.16-RELEASE import *) Bugfix: if the response were transferred by chunks, then on the HEAD request the final chunk was issued. *) Bugfix: the "Connection: keep-alive" header were issued, even if the keepalive_timeout directive forbade the keep-alive use. *) Bugfix: the errors in the ngx_http_fastcgi_module caused the segmentation faults. *) Bugfix: the compressed response encrypted by SSL may not transferred complete. *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK options, are not used for the unix domain sockets. *) Feature: the rewrite directive supports the arguments rewriting. *) Bugfix: the response code 400 was returned for the POST request with the "Content-Length: 0" header; the bug had appeared in 0.1.14.
2005-01-25 20:27:35 +08:00
NGX_TCP_NODELAY_UNSET = 0,
NGX_TCP_NODELAY_SET,
NGX_TCP_NODELAY_DISABLED
} ngx_connection_tcp_nodelay_e;
typedef enum {
nginx-0.0.3-2004-06-01-10:04:46 import
2004-06-01 14:04:46 +08:00
NGX_TCP_NOPUSH_UNSET = 0,
nginx-0.1.16-RELEASE import *) Bugfix: if the response were transferred by chunks, then on the HEAD request the final chunk was issued. *) Bugfix: the "Connection: keep-alive" header were issued, even if the keepalive_timeout directive forbade the keep-alive use. *) Bugfix: the errors in the ngx_http_fastcgi_module caused the segmentation faults. *) Bugfix: the compressed response encrypted by SSL may not transferred complete. *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK options, are not used for the unix domain sockets. *) Feature: the rewrite directive supports the arguments rewriting. *) Bugfix: the response code 400 was returned for the POST request with the "Content-Length: 0" header; the bug had appeared in 0.1.14.
2005-01-25 20:27:35 +08:00
NGX_TCP_NOPUSH_SET,
NGX_TCP_NOPUSH_DISABLED
nginx-0.0.3-2004-06-01-10:04:46 import
2004-06-01 14:04:46 +08:00
} ngx_connection_tcp_nopush_e;
high level HTTP buffered flags should be on per-subrequest basis, this fix a bug in SSI when a big static file is included
2006-10-31 04:25:22 +08:00
#define NGX_LOWLEVEL_BUFFERED 0x0f
#define NGX_SSL_BUFFERED 0x01
SPDY: body filter was replaced by c->send_chain() function. It allows to use ngx_http_write_filter() and all its rate limiting logic.
2014-01-14 20:24:45 +08:00
#define NGX_SPDY_BUFFERED 0x02
nginx-0.3.20-RELEASE import *) Bugfix: in SSI handling. *) Bugfix: the ngx_http_memcached_module did not support the keys in the "/usr?args" form.
2006-01-11 23:26:57 +08:00
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
struct ngx_connection_s {
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
void *data;
ngx_event_t *read;
ngx_event_t *write;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_socket_t fd;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_recv_pt recv;
nginx-0.1.44-RELEASE import *) Feature: the IMAP/POP3 proxy supports SSL. *) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module. *) Feature: the "userid_mark" directive. *) Feature: the $remote_user variable value is determined independently of authorization use.
2005-09-07 00:09:32 +08:00
ngx_send_pt send;
nginx-0.3.10-RELEASE import *) Change: the "valid_referers" directive and the "$invalid_referer" variable were moved to the new ngx_http_referer_module from the ngx_http_rewrite_module. *) Change: the "$apache_bytes_sent" variable name was changed to "$body_bytes_sent". *) Feature: the "$sent_http_..." variables. *) Feature: the "if" directive supports the "=" and "!=" operations. *) Feature: the "proxy_pass" directive supports the HTTPS protocol. *) Feature: the "proxy_set_body" directive. *) Feature: the "post_action" directive. *) Feature: the ngx_http_empty_gif_module. *) Feature: the "worker_cpu_affinity" directive for Linux. *) Bugfix: the "rewrite" directive did not unescape URI part in redirect, now it is unescaped except the %00-%25 and %7F-%FF characters. *) Bugfix: nginx could not be built by the icc 9.0 compiler. *) Bugfix: if the SSI was enabled for zero size static file, then the chunked response was encoded incorrectly.
2005-11-15 21:30:52 +08:00
ngx_recv_chain_pt recv_chain;
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_send_chain_pt send_chain;
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_listening_t *listening;
nginx-0.0.1-2002-09-02-18:48:24 import
2002-09-02 22:48:24 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
off_t sent;
nginx-0.0.1-2003-01-09-08:36:00 import
2003-01-09 13:36:00 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_log_t *log;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_pool_t *pool;
struct sockaddr *sockaddr;
socklen_t socklen;
ngx_str_t addr_text;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
Added server-side support for PROXY protocol v1 (ticket #355). Client address specified in the PROXY protocol header is now saved in the $proxy_protocol_addr variable and can be used in the realip module. This is currently not implemented for mail.
2014-03-17 21:41:24 +08:00
ngx_str_t proxy_protocol_addr;
nginx-0.3.10-RELEASE import *) Change: the "valid_referers" directive and the "$invalid_referer" variable were moved to the new ngx_http_referer_module from the ngx_http_rewrite_module. *) Change: the "$apache_bytes_sent" variable name was changed to "$body_bytes_sent". *) Feature: the "$sent_http_..." variables. *) Feature: the "if" directive supports the "=" and "!=" operations. *) Feature: the "proxy_pass" directive supports the HTTPS protocol. *) Feature: the "proxy_set_body" directive. *) Feature: the "post_action" directive. *) Feature: the ngx_http_empty_gif_module. *) Feature: the "worker_cpu_affinity" directive for Linux. *) Bugfix: the "rewrite" directive did not unescape URI part in redirect, now it is unescaped except the %00-%25 and %7F-%FF characters. *) Bugfix: nginx could not be built by the icc 9.0 compiler. *) Bugfix: if the SSI was enabled for zero size static file, then the chunked response was encoded incorrectly.
2005-11-15 21:30:52 +08:00
#if (NGX_SSL)
nginx-0.2.2-RELEASE import *) Feature: the "config errmsg" command of the ngx_http_ssi_module. *) Change: the ngx_http_geo_module variables can be overridden by the "set" directive. *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers" directives of the ngx_http_ssl_module and ngx_imap_ssl_module. *) Bugfix: the ngx_http_autoindex_module did not show correctly the long file names; *) Bugfix: the ngx_http_autoindex_module now do not show the files starting by dot. *) Bugfix: if the SSL handshake failed then another connection may be closed too. Thanks to Rob Mueller. *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
2005-09-30 22:41:25 +08:00
ngx_ssl_connection_t *ssl;
nginx-0.0.7-2004-07-15-00:07:58 import
2004-07-15 04:07:58 +08:00
#endif
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
struct sockaddr *local_sockaddr;
Core: keep the length of the local sockaddr.
2013-12-09 14:14:51 +08:00
socklen_t local_socklen;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_buf_t *buffer;
nginx-0.0.1-2002-09-02-18:48:24 import
2002-09-02 22:48:24 +08:00
reuse keepalive connections if there are no free worker connections patch by Maxim Dounin
2011-04-04 20:26:53 +08:00
ngx_queue_t queue;
nginx-0.1.22-RELEASE import *) Bugfix: the ngx_http_stub_status_module showed incorrect handled connections statistics if the proxying or FastCGI server were used. *) Bugfix: the installation paths were incorrectly quoted on Linux and Solaris; the bug had appeared in 0.1.21.
2005-02-24 20:29:09 +08:00
ngx_atomic_uint_t number;
nginx-0.0.1-2002-12-15-09:25:09 import
2002-12-15 14:25:09 +08:00
keepalive_requests
2009-05-25 23:38:36 +08:00
ngx_uint_t requests;
high level HTTP buffered flags should be on per-subrequest basis, this fix a bug in SSI when a big static file is included
2006-10-31 04:25:22 +08:00
unsigned buffered:8;
nginx-0.3.20-RELEASE import *) Bugfix: in SSI handling. *) Bugfix: the ngx_http_memcached_module did not support the keys in the "/usr?args" form.
2006-01-11 23:26:57 +08:00
ignore EINVAL from setsockopt() on Solaris
2009-03-12 15:16:15 +08:00
unsigned log_error:3; /* ngx_connection_log_error_e */
nginx-0.0.2-2004-02-10-19:23:38 import
2004-02-11 00:23:38 +08:00
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
unsigned unexpected_eof:1;
unsigned timedout:1;
nginx-0.3.13-RELEASE import *) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS. *) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and /dev/poll methods. *) Bugfix: in SSI handling. *) Bugfix: now Solaris sendfilev() is not used to transfer the client request body to FastCGI-server via the unix domain socket. *) Bugfix: the "auth_basic" directive did not disable the authorization; the bug had appeared in 0.3.11.
2005-12-05 21:18:09 +08:00
unsigned error:1;
unsigned destroyed:1;
nginx-0.1.1-RELEASE import *) Feature: the gzip_types directive. *) Feature: the tcp_nodelay directive. *) Feature: the send_lowat directive is working not only on OSes that support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT. *) Feature: the setproctitle() emulation for Linux and Solaris. *) Bugfix: the "Location" header rewrite bug fixed while the proxying. *) Bugfix: the ngx_http_chunked_module module may get caught in an endless loop. *) Bugfix: the /dev/poll module bugs fixed. *) Bugfix: the responses were corrupted when the temporary files were used while the proxying. *) Bugfix: the unescaped requests were passed to the backend. *) Bugfix: while the build configuration on Linux 2.4 the --with-poll_module parameter was required.
2004-10-11 23:07:03 +08:00
close keep-alive connections in the shuting down processes
2007-03-19 21:20:15 +08:00
unsigned idle:1;
reuse keepalive connections if there are no free worker connections patch by Maxim Dounin
2011-04-04 20:26:53 +08:00
unsigned reusable:1;
close keep-alive connections in the shuting down processes
2007-03-19 21:20:15 +08:00
unsigned close:1;
nginx-0.1.1-RELEASE import *) Feature: the gzip_types directive. *) Feature: the tcp_nodelay directive. *) Feature: the send_lowat directive is working not only on OSes that support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT. *) Feature: the setproctitle() emulation for Linux and Solaris. *) Bugfix: the "Location" header rewrite bug fixed while the proxying. *) Bugfix: the ngx_http_chunked_module module may get caught in an endless loop. *) Bugfix: the /dev/poll module bugs fixed. *) Bugfix: the responses were corrupted when the temporary files were used while the proxying. *) Bugfix: the unescaped requests were passed to the backend. *) Bugfix: while the build configuration on Linux 2.4 the --with-poll_module parameter was required.
2004-10-11 23:07:03 +08:00
unsigned sendfile:1;
unsigned sndlowat:1;
nginx-0.1.16-RELEASE import *) Bugfix: if the response were transferred by chunks, then on the HEAD request the final chunk was issued. *) Bugfix: the "Connection: keep-alive" header were issued, even if the keepalive_timeout directive forbade the keep-alive use. *) Bugfix: the errors in the ngx_http_fastcgi_module caused the segmentation faults. *) Bugfix: the compressed response encrypted by SSL may not transferred complete. *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK options, are not used for the unix domain sockets. *) Feature: the rewrite directive supports the arguments rewriting. *) Bugfix: the response code 400 was returned for the POST request with the "Content-Length: 0" header; the bug had appeared in 0.1.14.
2005-01-25 20:27:35 +08:00
unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */
unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */
nginx-0.1.1-RELEASE import *) Feature: the gzip_types directive. *) Feature: the tcp_nodelay directive. *) Feature: the send_lowat directive is working not only on OSes that support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT. *) Feature: the setproctitle() emulation for Linux and Solaris. *) Bugfix: the "Location" header rewrite bug fixed while the proxying. *) Bugfix: the ngx_http_chunked_module module may get caught in an endless loop. *) Bugfix: the /dev/poll module bugs fixed. *) Bugfix: the responses were corrupted when the temporary files were used while the proxying. *) Bugfix: the unescaped requests were passed to the backend. *) Bugfix: while the build configuration on Linux 2.4 the --with-poll_module parameter was required.
2004-10-11 23:07:03 +08:00
SPDY: body filter was replaced by c->send_chain() function. It allows to use ngx_http_write_filter() and all its rate limiting logic.
2014-01-14 20:24:45 +08:00
unsigned need_last_buf:1;
nginx-0.1.9-RELEASE import *) Bugfix: the proxied request was sent without arguments if the request contains "//", "/./", "/../" or "%XX". *) Bugfix: the large compressed responses may be transferred not completely. *) Bugfix: the files bigger than 2G was not transferred on Linux that does not support sendfile64(). *) Bugfix: while the build configuration on Linux the --with-poll_module parameter was required; the bug had appeared in 0.1.8.
2004-11-26 00:17:31 +08:00
#if (NGX_HAVE_IOCP)
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
unsigned accept_context_updated:1;
nginx-0.0.1-2003-06-11-19:28:34 import
2003-06-11 23:28:34 +08:00
#endif
nginx-0.0.7-2004-06-27-22:01:57 import
2004-06-28 02:01:57 +08:00
aio sendfile
2009-08-30 17:52:39 +08:00
#if (NGX_HAVE_AIO_SENDFILE)
Allowed up to two EBUSY errors from sendfile(). Fallback to synchronous sendfile() now only done on 3rd EBUSY without any progress in a row. Not falling back is believed to be better in case of occasional EBUSY, though protection is still needed to make sure there will be no infinite loop.
2014-01-04 07:31:58 +08:00
unsigned busy_count:2;
aio sendfile
2009-08-30 17:52:39 +08:00
#endif
Renamed NGX_THREADS to NGX_OLD_THREADS because of deprecation. It's mostly dead code and the original idea of worker threads has been rejected.
2015-03-04 23:26:25 +08:00
#if (NGX_OLD_THREADS)
nginx-0.0.7-2004-07-18-23:11:20 import
2004-07-19 03:11:20 +08:00
ngx_atomic_t lock;
nginx-0.0.7-2004-06-27-22:01:57 import
2004-06-28 02:01:57 +08:00
#endif
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
};
ngx_create_listening()
2009-05-06 01:33:26 +08:00
ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, void *sockaddr,
socklen_t socklen);
nginx-0.0.1-2004-01-06-19:49:34 import
2004-01-07 00:49:34 +08:00
ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle);
nginx-0.0.1-2004-01-05-23:55:48 import
2004-01-06 04:55:48 +08:00
ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle);
use correct name
2009-05-05 21:12:59 +08:00
void ngx_configure_listening_sockets(ngx_cycle_t *cycle);
nginx-0.0.1-2004-01-05-23:55:48 import
2004-01-06 04:55:48 +08:00
void ngx_close_listening_sockets(ngx_cycle_t *cycle);
nginx-0.0.10-2004-09-07-19:29:22 import
2004-09-07 23:29:22 +08:00
void ngx_close_connection(ngx_connection_t *c);
ngx_connection_local_sockaddr()
2009-05-18 20:12:06 +08:00
ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s,
ngx_uint_t port);
nginx-0.0.2-2004-02-09-10:46:43 import
2004-02-09 15:46:43 +08:00
ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text);
nginx-0.0.1-2004-01-05-23:55:48 import
2004-01-06 04:55:48 +08:00
nginx-0.2.0-RELEASE import *) The pid-file names used during online upgrade was changed and now is not required a manual rename operation. The old master process adds the ".oldbin" suffix to its pid-file and executes a new binary file. The new master process creates usual pid-file without the ".newbin" suffix. If the master process exits, then old master process renames back its pid-file with the ".oldbin" suffix to the pid-file without suffix. *) Change: the "worker_connections" directive, new name of the "connections" directive; now the directive specifies maximum number of connections, but not maximum socket descriptor number. *) Feature: SSL supports the session cache inside one worker process. *) Feature: the "satisfy_any" directive. *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do not run for subrequests. *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" directives. *) Bugfix: if all backend using in load-balancing failed after one error, then nginx did not try do connect to them during 60 seconds. *) Bugfix: in IMAP/POP3 command argument parsing. Thanks to Rob Mueller. *) Bugfix: errors while using SSL in IMAP/POP3 proxy. *) Bugfix: errors while using SSI and gzipping. *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted from the 304 responses. Thanks to Alexandr Kukushkin.
2005-09-23 19:02:22 +08:00
ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log);
void ngx_free_connection(ngx_connection_t *c);
nginx-0.0.1-2003-05-19-20:39:14 import
2003-05-20 00:39:14 +08:00
reuse keepalive connections if there are no free worker connections patch by Maxim Dounin
2011-04-04 20:26:53 +08:00
void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable);
nginx-0.0.1-2003-05-19-20:39:14 import
2003-05-20 00:39:14 +08:00
nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
2002-08-07 00:39:45 +08:00
#endif /* _NGX_CONNECTION_H_INCLUDED_ */
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