2003-11-05 06:12:39 +08:00
|
|
|
|
2004-09-28 16:34:51 +08:00
|
|
|
/*
|
2004-09-30 00:00:49 +08:00
|
|
|
* Copyright (C) Igor Sysoev
|
2012-01-18 23:07:43 +08:00
|
|
|
* Copyright (C) Nginx, Inc.
|
2004-09-28 16:34:51 +08:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
2003-11-05 06:12:39 +08:00
|
|
|
#include <ngx_config.h>
|
|
|
|
|
#include <ngx_core.h>
|
|
|
|
|
#include <ngx_http.h>
|
|
|
|
|
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
|
2007-10-15 02:56:15 +08:00
|
|
|
static int ngx_http_busy_lock_look_cacheable(ngx_http_busy_lock_t *bl,
|
|
|
|
|
ngx_http_busy_lock_ctx_t *bc,
|
|
|
|
|
int lock);
|
2003-11-10 04:03:38 +08:00
|
|
|
|
|
|
|
|
|
|
|
|
|
int ngx_http_busy_lock(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc)
|
2003-11-06 01:03:41 +08:00
|
|
|
{
|
2003-11-10 04:03:38 +08:00
|
|
|
if (bl->busy < bl->max_busy) {
|
|
|
|
|
bl->busy++;
|
|
|
|
|
|
|
|
|
|
if (bc->time) {
|
|
|
|
|
bc->time = 0;
|
|
|
|
|
bl->waiting--;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NGX_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bc->time) {
|
|
|
|
|
if (bc->time < bl->timeout) {
|
|
|
|
|
ngx_add_timer(bc->event, 1000);
|
|
|
|
|
return NGX_AGAIN;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bl->waiting--;
|
|
|
|
|
return NGX_DONE;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bl->timeout == 0) {
|
|
|
|
|
return NGX_DONE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bl->waiting < bl->max_waiting) {
|
|
|
|
|
bl->waiting++;
|
2004-03-01 05:03:02 +08:00
|
|
|
|
nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 22:58:06 +08:00
|
|
|
#if 0
|
2003-11-10 04:03:38 +08:00
|
|
|
ngx_add_timer(bc->event, 1000);
|
|
|
|
|
bc->event->event_handler = bc->event_handler;
|
nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 22:58:06 +08:00
|
|
|
#endif
|
2003-11-10 04:03:38 +08:00
|
|
|
|
|
|
|
|
/* TODO: ngx_handle_level_read_event() */
|
|
|
|
|
|
|
|
|
|
return NGX_AGAIN;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NGX_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-10-15 02:56:15 +08:00
|
|
|
int ngx_http_busy_lock_cacheable(ngx_http_busy_lock_t *bl,
|
|
|
|
|
ngx_http_busy_lock_ctx_t *bc, int lock)
|
2003-11-10 04:03:38 +08:00
|
|
|
{
|
|
|
|
|
int rc;
|
|
|
|
|
|
2007-10-15 02:56:15 +08:00
|
|
|
rc = ngx_http_busy_lock_look_cacheable(bl, bc, lock);
|
2003-11-10 04:03:38 +08:00
|
|
|
|
2004-02-12 01:08:49 +08:00
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, bc->event->log, 0,
|
|
|
|
|
"http busylock: %d w:%d mw::%d",
|
|
|
|
|
rc, bl->waiting, bl->max_waiting);
|
2003-11-10 04:03:38 +08:00
|
|
|
|
|
|
|
|
if (rc == NGX_OK) { /* no the same request, there's free slot */
|
|
|
|
|
return NGX_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (rc == NGX_ERROR && !lock) { /* no the same request, no free slot */
|
|
|
|
|
return NGX_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* rc == NGX_AGAIN: the same request */
|
|
|
|
|
|
|
|
|
|
if (bc->time) {
|
|
|
|
|
if (bc->time < bl->timeout) {
|
|
|
|
|
ngx_add_timer(bc->event, 1000);
|
|
|
|
|
return NGX_AGAIN;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bl->waiting--;
|
|
|
|
|
return NGX_DONE;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bl->timeout == 0) {
|
|
|
|
|
return NGX_DONE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bl->waiting < bl->max_waiting) {
|
nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 22:58:06 +08:00
|
|
|
#if 0
|
2003-11-10 04:03:38 +08:00
|
|
|
bl->waiting++;
|
|
|
|
|
ngx_add_timer(bc->event, 1000);
|
|
|
|
|
bc->event->event_handler = bc->event_handler;
|
nginx-0.1.29-RELEASE import
*) Feature: the ngx_http_ssi_module supports "include virtual" command.
*) Feature: the ngx_http_ssi_module supports the condition command like
'if expr="$NAME"' and "else" and "endif" commands. Only one nested
level is supported.
*) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and
DATE_GMT variables and "config timefmt" command.
*) Feature: the "ssi_ignore_recycled_buffers" directive.
*) Bugfix: the "echo" command did not show the default value for the
empty QUERY_STRING variable.
*) Change: the ngx_http_proxy_module was rewritten.
*) Feature: the "proxy_redirect", "proxy_pass_request_headers",
"proxy_pass_request_body", and "proxy_method" directives.
*) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
canceled and must be replaced with the proxy_set_header directive.
*) Change: the "proxy_preserve_host" is canceled and must be replaced
with the "proxy_set_header Host $host" and the "proxy_redirect off"
directives, the "proxy_set_header Host $host:$proxy_port" directive
and the appropriate proxy_redirect directives.
*) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
with the "proxy_set_header X-Real-IP $remote_addr" directive.
*) Change: the "proxy_add_x_forwarded_for" is canceled and must be
replaced with
the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
directive.
*) Change: the "proxy_set_x_url" is canceled and must be replaced with
the "proxy_set_header X-URL http://$host:$server_port$request_uri"
directive.
*) Feature: the "fastcgi_param" directive.
*) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
directive are canceled and must be replaced with the fastcgi_param
directives.
*) Feature: the "index" directive can use the variables.
*) Feature: the "index" directive can be used at http and server levels.
*) Change: the last index only in the "index" directive can be absolute.
*) Feature: the "rewrite" directive can use the variables.
*) Feature: the "internal" directive.
*) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
*) Change: nginx now passes the invalid lines in a client request
headers or a backend response header.
*) Bugfix: if the backend did not transfer response for a long time and
the "send_timeout" was less than "proxy_read_timeout", then nginx
returned the 408 response.
*) Bugfix: the segmentation fault was occurred if the backend sent an
invalid line in response header; the bug had appeared in 0.1.26.
*) Bugfix: the segmentation fault may occurred in FastCGI fault
tolerance configuration.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" and "Cache-Control" headers.
*) Bugfix: nginx did not take into account trailing dot in "Host"
header line.
*) Bugfix: the ngx_http_auth_module did not work under Linux.
*) Bugfix: the rewrite directive worked incorrectly, if the arguments
were in a request.
*) Bugfix: nginx could not be built on MacOS X.
2005-05-12 22:58:06 +08:00
|
|
|
#endif
|
2003-11-10 04:03:38 +08:00
|
|
|
|
|
|
|
|
/* TODO: ngx_handle_level_read_event() */
|
|
|
|
|
|
|
|
|
|
return NGX_AGAIN;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NGX_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2003-11-11 05:09:22 +08:00
|
|
|
void ngx_http_busy_unlock(ngx_http_busy_lock_t *bl,
|
|
|
|
|
ngx_http_busy_lock_ctx_t *bc)
|
2003-11-10 04:03:38 +08:00
|
|
|
{
|
2003-11-19 00:49:00 +08:00
|
|
|
if (bl == NULL) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-11 05:09:22 +08:00
|
|
|
if (bl->md5) {
|
|
|
|
|
bl->md5_mask[bc->slot / 8] &= ~(1 << (bc->slot & 7));
|
2007-10-15 02:56:15 +08:00
|
|
|
bl->cacheable--;
|
2003-11-11 05:09:22 +08:00
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
bl->busy--;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2007-10-15 02:56:15 +08:00
|
|
|
static int ngx_http_busy_lock_look_cacheable(ngx_http_busy_lock_t *bl,
|
|
|
|
|
ngx_http_busy_lock_ctx_t *bc,
|
|
|
|
|
int lock)
|
2003-11-10 04:03:38 +08:00
|
|
|
{
|
2007-10-15 02:56:15 +08:00
|
|
|
int i, b, cacheable, free;
|
2003-11-06 01:03:41 +08:00
|
|
|
u_int mask;
|
|
|
|
|
|
|
|
|
|
b = 0;
|
2007-10-15 02:56:15 +08:00
|
|
|
cacheable = 0;
|
2003-11-06 01:03:41 +08:00
|
|
|
free = -1;
|
|
|
|
|
|
|
|
|
|
#if (NGX_SUPPRESS_WARN)
|
|
|
|
|
mask = 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
for (i = 0; i < bl->max_busy; i++) {
|
2003-11-06 01:03:41 +08:00
|
|
|
|
|
|
|
|
if ((b & 7) == 0) {
|
2003-11-10 04:03:38 +08:00
|
|
|
mask = bl->md5_mask[i / 8];
|
2003-11-06 01:03:41 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (mask & 1) {
|
2003-11-10 04:03:38 +08:00
|
|
|
if (ngx_memcmp(&bl->md5[i * 16], bc->md5, 16) == 0) {
|
2003-11-06 01:03:41 +08:00
|
|
|
return NGX_AGAIN;
|
|
|
|
|
}
|
2007-10-15 02:56:15 +08:00
|
|
|
cacheable++;
|
2003-11-06 01:03:41 +08:00
|
|
|
|
|
|
|
|
} else if (free == -1) {
|
|
|
|
|
free = i;
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
#if 1
|
2007-10-15 02:56:15 +08:00
|
|
|
if (cacheable == bl->cacheable) {
|
|
|
|
|
if (free == -1 && cacheable < bl->max_busy) {
|
2003-11-06 01:03:41 +08:00
|
|
|
free = i + 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
}
|
2003-11-10 04:03:38 +08:00
|
|
|
#endif
|
2003-11-06 01:03:41 +08:00
|
|
|
|
|
|
|
|
mask >>= 1;
|
|
|
|
|
b++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (free == -1) {
|
|
|
|
|
return NGX_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
if (lock) {
|
|
|
|
|
if (bl->busy == bl->max_busy) {
|
|
|
|
|
return NGX_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ngx_memcpy(&bl->md5[free * 16], bc->md5, 16);
|
|
|
|
|
bl->md5_mask[free / 8] |= 1 << (free & 7);
|
|
|
|
|
bc->slot = free;
|
2003-11-06 01:03:41 +08:00
|
|
|
|
2007-10-15 02:56:15 +08:00
|
|
|
bl->cacheable++;
|
2003-11-10 04:03:38 +08:00
|
|
|
bl->busy++;
|
|
|
|
|
}
|
2003-11-06 01:03:41 +08:00
|
|
|
|
|
|
|
|
return NGX_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2003-11-05 06:12:39 +08:00
|
|
|
char *ngx_http_set_busy_lock_slot(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
|
|
void *conf)
|
|
|
|
|
{
|
|
|
|
|
char *p = conf;
|
|
|
|
|
|
2004-03-16 15:10:12 +08:00
|
|
|
ngx_uint_t i, dup, invalid;
|
2003-11-10 04:03:38 +08:00
|
|
|
ngx_str_t *value, line;
|
2003-11-05 06:12:39 +08:00
|
|
|
ngx_http_busy_lock_t *bl, **blp;
|
|
|
|
|
|
|
|
|
|
blp = (ngx_http_busy_lock_t **) (p + cmd->offset);
|
|
|
|
|
if (*blp) {
|
|
|
|
|
return "is duplicate";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ngx_calloc_shared() */
|
2005-03-19 20:38:37 +08:00
|
|
|
bl = ngx_pcalloc(cf->pool, sizeof(ngx_http_busy_lock_t));
|
|
|
|
|
if (bl == NULL) {
|
2003-11-05 06:12:39 +08:00
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
|
}
|
|
|
|
|
*blp = bl;
|
|
|
|
|
|
2004-03-01 05:03:02 +08:00
|
|
|
/* ngx_calloc_shared() */
|
2005-03-19 20:38:37 +08:00
|
|
|
bl->mutex = ngx_pcalloc(cf->pool, sizeof(ngx_event_mutex_t));
|
|
|
|
|
if (bl->mutex == NULL) {
|
2004-03-01 05:03:02 +08:00
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
dup = 0;
|
|
|
|
|
invalid = 0;
|
2003-11-26 04:44:56 +08:00
|
|
|
value = cf->args->elts;
|
2003-11-05 06:12:39 +08:00
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
for (i = 1; i < cf->args->nelts; i++) {
|
|
|
|
|
|
|
|
|
|
if (value[i].data[1] != '=') {
|
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
|
|
"invalid value \"%s\"", value[i].data);
|
|
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
|
}
|
2003-11-05 06:12:39 +08:00
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
switch (value[i].data[0]) {
|
|
|
|
|
|
|
|
|
|
case 'b':
|
|
|
|
|
if (bl->max_busy) {
|
|
|
|
|
dup = 1;
|
|
|
|
|
break;
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
bl->max_busy = ngx_atoi(value[i].data + 2, value[i].len - 2);
|
|
|
|
|
if (bl->max_busy == NGX_ERROR) {
|
|
|
|
|
invalid = 1;
|
|
|
|
|
break;
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
continue;
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
case 'w':
|
2003-11-05 06:12:39 +08:00
|
|
|
if (bl->max_waiting) {
|
2003-11-10 04:03:38 +08:00
|
|
|
dup = 1;
|
|
|
|
|
break;
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bl->max_waiting = ngx_atoi(value[i].data + 2, value[i].len - 2);
|
|
|
|
|
if (bl->max_waiting == NGX_ERROR) {
|
2003-11-10 04:03:38 +08:00
|
|
|
invalid = 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
case 't':
|
|
|
|
|
if (bl->timeout) {
|
|
|
|
|
dup = 1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
line.len = value[i].len - 2;
|
|
|
|
|
line.data = value[i].data + 2;
|
|
|
|
|
|
|
|
|
|
bl->timeout = ngx_parse_time(&line, 1);
|
2012-02-13 23:41:11 +08:00
|
|
|
if (bl->timeout == (time_t) NGX_ERROR) {
|
2003-11-10 04:03:38 +08:00
|
|
|
invalid = 1;
|
|
|
|
|
break;
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
continue;
|
2003-11-10 04:03:38 +08:00
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
invalid = 1;
|
2003-11-05 06:12:39 +08:00
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
if (dup) {
|
2003-11-05 06:12:39 +08:00
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
2003-11-10 04:03:38 +08:00
|
|
|
"duplicate value \"%s\"", value[i].data);
|
2003-11-05 06:12:39 +08:00
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
if (invalid) {
|
2003-11-05 06:12:39 +08:00
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
2003-11-10 04:03:38 +08:00
|
|
|
"invalid value \"%s\"", value[i].data);
|
2003-11-05 06:12:39 +08:00
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2003-11-10 04:03:38 +08:00
|
|
|
if (bl->timeout == 0 && bl->max_waiting) {
|
|
|
|
|
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
2012-03-06 02:09:06 +08:00
|
|
|
"busy lock waiting is useless with zero timeout, ignoring");
|
2003-11-10 04:03:38 +08:00
|
|
|
}
|
|
|
|
|
|
2003-11-05 06:12:39 +08:00
|
|
|
return NGX_CONF_OK;
|
|
|
|
|
}
|