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http resolver and resolver_timeout

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This commit is contained in:
Igor Sysoev 2007-11-27 11:33:52 +00:00
parent 0c3195b9d6
commit f30ab3ccb5
2 changed files with 53 additions and 0 deletions
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50
src/http/ngx_http_core_module.c
View file

@ -69,6 +69,8 @@ static char *ngx_http_core_keepalive(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char * ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data);
static char *ngx_http_core_pool_size(ngx_conf_t *cf, void *post, void *data);
@ -492,6 +494,20 @@ static ngx_command_t ngx_http_core_commands[] = {
offsetof(ngx_http_core_loc_conf_t, open_file_cache_events),
NULL },
{ ngx_string("resolver"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_http_core_resolver,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("resolver_timeout"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_core_loc_conf_t, resolver_timeout),
NULL },
ngx_null_command
};
@ -2391,6 +2407,7 @@ ngx_http_core_create_loc_conf(ngx_conf_t *cf)
lcf->keepalive_header = NGX_CONF_UNSET;
lcf->lingering_time = NGX_CONF_UNSET_MSEC;
lcf->lingering_timeout = NGX_CONF_UNSET_MSEC;
lcf->resolver_timeout = NGX_CONF_UNSET_MSEC;
lcf->reset_timedout_connection = NGX_CONF_UNSET;
lcf->port_in_redirect = NGX_CONF_UNSET;
lcf->msie_padding = NGX_CONF_UNSET;
@ -2572,6 +2589,12 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
prev->lingering_time, 30000);
ngx_conf_merge_msec_value(conf->lingering_timeout,
prev->lingering_timeout, 5000);
ngx_conf_merge_msec_value(conf->resolver_timeout,
prev->resolver_timeout, 30000);
if (conf->resolver == NULL) {
conf->resolver = prev->resolver;
}
ngx_conf_merge_path_value(conf->client_body_temp_path,
prev->client_body_temp_path,
@ -3360,6 +3383,33 @@ ngx_http_core_internal(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
}
static char *
ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf = conf;
ngx_url_t u;
ngx_str_t *value;
value = cf->args->elts;
u.host = value[1];
u.port = 53;
if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err);
return NGX_CONF_ERROR;
}
clcf->resolver = ngx_resolver_create(&u.addrs[0], cf->cycle->new_log);
if (clcf->resolver == NULL) {
return NGX_OK;
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_lowat_check(ngx_conf_t *cf, void *post, void *data)
{

3
src/http/ngx_http_core_module.h
View file

@ -270,6 +270,9 @@ struct ngx_http_core_loc_conf_s {
ngx_msec_t keepalive_timeout; /* keepalive_timeout */
ngx_msec_t lingering_time; /* lingering_time */
ngx_msec_t lingering_timeout; /* lingering_timeout */
ngx_msec_t resolver_timeout; /* resolver_timeout */
ngx_resolver_t *resolver; /* resolver */
time_t keepalive_header; /* keepalive_timeout */