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Merge of r3982, r3984, r3985, r3991: 

Lingering closing related fixes:

*) lingering_close "off|on|always"
*) enable lingering close for pipelined requests
*) do not send RST on normal lingering close read timeout,
   if reset_timedout_connection is on
This commit is contained in:
Igor Sysoev 2011-08-29 12:45:03 +00:00
parent 2d6041994f
commit b0e9b07a39
3 changed files with 31 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/http/ngx_http_core_module.c
View File

@ -127,6 +127,14 @@ static ngx_conf_enum_t ngx_http_core_satisfy[] = {
};
static ngx_conf_enum_t ngx_http_core_lingering_close[] = {
{ ngx_string("off"), NGX_HTTP_LINGERING_OFF },
{ ngx_string("on"), NGX_HTTP_LINGERING_ON },
{ ngx_string("always"), NGX_HTTP_LINGERING_ALWAYS },
{ ngx_null_string, 0 }
};
static ngx_conf_enum_t ngx_http_core_if_modified_since[] = {
{ ngx_string("off"), NGX_HTTP_IMS_OFF },
{ ngx_string("exact"), NGX_HTTP_IMS_EXACT },
@ -532,6 +540,13 @@ static ngx_command_t ngx_http_core_commands[] = {
0,
NULL },
{ ngx_string("lingering_close"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_enum_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, lingering_close),
&ngx_http_core_lingering_close },
{ ngx_string("lingering_time"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
@ -3259,6 +3274,7 @@ ngx_http_core_create_loc_conf(ngx_conf_t *cf)
clcf->keepalive_timeout = NGX_CONF_UNSET_MSEC;
clcf->keepalive_header = NGX_CONF_UNSET;
clcf->keepalive_requests = NGX_CONF_UNSET_UINT;
clcf->lingering_close = NGX_CONF_UNSET_UINT;
clcf->lingering_time = NGX_CONF_UNSET_MSEC;
clcf->lingering_timeout = NGX_CONF_UNSET_MSEC;
clcf->resolver_timeout = NGX_CONF_UNSET_MSEC;
@ -3475,6 +3491,8 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
prev->keepalive_header, 0);
ngx_conf_merge_uint_value(conf->keepalive_requests,
prev->keepalive_requests, 100);
ngx_conf_merge_uint_value(conf->lingering_close,
prev->lingering_close, NGX_HTTP_LINGERING_ON);
ngx_conf_merge_msec_value(conf->lingering_time,
prev->lingering_time, 30000);
ngx_conf_merge_msec_value(conf->lingering_timeout,

6
src/http/ngx_http_core_module.h
View File

@ -33,6 +33,11 @@
#define NGX_HTTP_SATISFY_ANY 1
#define NGX_HTTP_LINGERING_OFF 0
#define NGX_HTTP_LINGERING_ON 1
#define NGX_HTTP_LINGERING_ALWAYS 2
#define NGX_HTTP_IMS_OFF 0
#define NGX_HTTP_IMS_EXACT 1
#define NGX_HTTP_IMS_BEFORE 2
@ -356,6 +361,7 @@ struct ngx_http_core_loc_conf_s {
ngx_uint_t keepalive_requests; /* keepalive_requests */
ngx_uint_t keepalive_disable; /* keepalive_disable */
ngx_uint_t satisfy; /* satisfy */
ngx_uint_t lingering_close; /* lingering_close */
ngx_uint_t if_modified_since; /* if_modified_since */
ngx_uint_t client_body_in_file_only; /* client_body_in_file_only */

9
src/http/ngx_http_request.c
View File

@ -2142,8 +2142,14 @@ ngx_http_finalize_connection(ngx_http_request_t *r)
{
ngx_http_set_keepalive(r);
return;
}
} else if (r->lingering_close && clcf->lingering_timeout > 0) {
if (clcf->lingering_close == NGX_HTTP_LINGERING_ALWAYS
|| (clcf->lingering_close == NGX_HTTP_LINGERING_ON
&& (r->lingering_close
|| r->header_in->pos < r->header_in->last
|| r->connection->read->ready)))
{
ngx_http_set_lingering_close(r);
return;
}
@ -2769,7 +2775,6 @@ ngx_http_lingering_close_handler(ngx_event_t *rev)
"http lingering close handler");
if (rev->timedout) {
c->timedout = 1;
ngx_http_close_request(r, 0);
return;
}