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allow to use IP addresses without defined resolver

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This commit is contained in:
Igor Sysoev 2007-12-03 10:05:19 +00:00
parent 26aae392f9
commit 6b2fce430b
4 changed files with 35 additions and 18 deletions
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28
src/core/ngx_resolver.c
View File

@ -99,11 +99,6 @@ ngx_resolver_create(ngx_peer_addr_t *addr, ngx_log_t *log)
return NULL;
}
uc = ngx_calloc(sizeof(ngx_udp_connection_t), log);
if (uc == NULL) {
return NULL;
}
r->event = ngx_calloc(sizeof(ngx_event_t), log);
if (r->event == NULL) {
return NULL;
@ -138,8 +133,6 @@ ngx_resolver_create(ngx_peer_addr_t *addr, ngx_log_t *log)
r->event->log = log;
r->ident = -1;
r->udp_connection = uc;
r->resend_timeout = 5;
r->expire = 30;
r->valid = 300;
@ -147,10 +140,19 @@ ngx_resolver_create(ngx_peer_addr_t *addr, ngx_log_t *log)
r->log = log;
r->log_level = NGX_LOG_ALERT;
uc->sockaddr = addr->sockaddr;
uc->socklen = addr->socklen;
uc->server = addr->name;
uc->log = log;
if (addr) {
uc = ngx_calloc(sizeof(ngx_udp_connection_t), log);
if (uc == NULL) {
return NULL;
}
r->udp_connection = uc;
uc->sockaddr = addr->sockaddr;
uc->socklen = addr->socklen;
uc->server = addr->name;
uc->log = log;
}
return r;
}
@ -177,6 +179,10 @@ ngx_resolve_start(ngx_resolver_t *r, ngx_resolver_ctx_t *temp)
}
}
if (r->udp_connection == NULL) {
return NGX_NO_RESOLVER;
}
ctx = ngx_resolver_calloc(r, sizeof(ngx_resolver_ctx_t));
if (ctx) {

3
src/core/ngx_resolver.h
View File

@ -26,6 +26,9 @@
#define NGX_RESOLVE_TIMEDOUT NGX_ETIMEDOUT
#define NGX_NO_RESOLVER (void *) -1
typedef struct {
ngx_connection_t *connection;
struct sockaddr *sockaddr;

7
src/http/ngx_http_core_module.c
View File

@ -2594,6 +2594,13 @@ ngx_http_core_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
if (conf->resolver == NULL) {
conf->resolver = prev->resolver;
if (conf->resolver == NULL) {
conf->resolver = ngx_resolver_create(NULL, cf->cycle->new_log);
if (conf->resolver == NULL) {
return NGX_OK;
}
}
}
ngx_conf_merge_path_value(conf->client_body_temp_path,

15
src/http/ngx_http_upstream.c
View File

@ -398,13 +398,6 @@ ngx_http_upstream_init(ngx_http_request_t *r)
}
}
if (clcf->resolver == NULL) {
ngx_log_error(NGX_LOG_ERR, c->log, 0,
"no resolver defined to resolve %V", host);
ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY);
return;
}
temp.name = *host;
ctx = ngx_resolve_start(clcf->resolver, &temp);
@ -413,6 +406,14 @@ ngx_http_upstream_init(ngx_http_request_t *r)
return;
}
if (ctx == NGX_NO_RESOLVER) {
ngx_log_error(NGX_LOG_ERR, c->log, 0,
"no resolver defined to resolve %V", host);
ngx_http_finalize_request(r, NGX_HTTP_BAD_GATEWAY);
return;
}
ctx->name = *host;
ctx->type = NGX_RESOLVE_A;
ctx->handler = ngx_http_upstream_resolve_handler;