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Diffstat (limited to 'src/http/modules/proxy/ngx_http_proxy_handler.c')
-rw-r--r--src/http/modules/proxy/ngx_http_proxy_handler.c156
1 files changed, 110 insertions, 46 deletions
diff --git a/src/http/modules/proxy/ngx_http_proxy_handler.c b/src/http/modules/proxy/ngx_http_proxy_handler.c
index baecb2531..962dcbfbd 100644
--- a/src/http/modules/proxy/ngx_http_proxy_handler.c
+++ b/src/http/modules/proxy/ngx_http_proxy_handler.c
@@ -8,6 +8,10 @@
+static void ngx_http_proxy_send_request(ngx_event_t *wev);
+static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf);
+
+
static ngx_command_t ngx_http_proxy_commands[] = {
ngx_null_command
};
@@ -20,12 +24,11 @@ ngx_http_module_t ngx_http_proxy_module_ctx = {
NULL, /* create server configuration */
NULL, /* merge server configuration */
+ ngx_http_proxy_create_loc_conf, /* create location configration */
#if 0
- ngx_http_proxy_create_conf, /* create location configration */
ngx_http_proxy_merge_conf /* merge location configration */
#endif
- NULL,
NULL
};
@@ -46,24 +49,25 @@ static
int ngx_http_proxy_handler(ngx_http_request_t *r)
{
- int rc;
- ngx_http_proxy_ctx_t *p;
- ngx_peer_connection_t *pc;
-
+ int rc;
+ ngx_http_proxy_ctx_t *p;
+ ngx_http_proxy_loc_conf_t *lcf;
ngx_http_create_ctx(r, p, ngx_http_proxy_module,
sizeof(ngx_http_proxy_ctx_t),
NGX_HTTP_INTERNAL_SERVER_ERROR);
-
- p->action = "connecting to upstream";
- p->request = r;
-
+ p->lcf = ngx_http_get_module_loc_conf(r, ngx_http_proxy_module);
#if 0
- pc->peers = lcf->peers;
+ create_request;
#endif
+ p->action = "connecting to upstream";
+ p->request = r;
+ p->upstream.peers = p->lcf->peers;
+
+ /* TODO: change log->data, how to restore log->data ? */
p->upstream.log = r->connection->log;
do {
@@ -74,56 +78,89 @@ int ngx_http_proxy_handler(ngx_http_request_t *r)
}
if (rc == NGX_OK) {
- send_proxy_request(p);
- return NGX_OK;
+ ngx_http_proxy_send_request(p->upstream.connection->write);
+ /* ??? */ return NGX_OK;
}
- if (rc == NGX_AGAIN && p->upstream.connection) {
- return NGX_OK;
+ if (rc == NGX_AGAIN) {
+ /* ??? */ return NGX_OK;
}
+ /* rc == NGX_CONNECT_FAILED */
+
+ ngx_event_connect_peer_failed(&p->upstream);
+
} while (p->upstream.tries);
return NGX_HTTP_BAD_GATEWAY;
}
-#if 0
-
-ngx_http_proxy_connect()
- do {
- ngx_event_connect_peer()
- if error
- return error
- if ok
- return ok
- if again
- return again
-
- /* next */
- while (tries)
-}
+static void ngx_http_proxy_send_request(ngx_event_t *wev)
+{
+ int rc;
+ ngx_chain_t *chain;
+ ngx_connection_t *c;
+ ngx_http_proxy_ctx_t *p;
+ c = wev->data;
+ p = c->data;
-ngx_http_proxy_send_request(ngx_event_t *wev)
for ( ;; ) {
- send
- if ok
- ???
- if again
- return
- if error
- close
- ngx_http_proxy_connect()
- if ok
- continue
- if error
- return
- if again
- return
- }
+ chain = ngx_write_chain(c, p->request_hunks);
+ if (chain == (ngx_chain_t *) -1) {
+ ngx_http_proxy_close_connection(c);
+
+ do {
+ rc = ngx_event_connect_peer(&p->upstream);
+
+ if (rc == NGX_OK) {
+#if 0
+ copy chain and hunks p->request_hunks from p->initial_request_hunks;
#endif
+ c = p->connection;
+ wev = c->write;
+
+ break;
+ }
+
+ if (rc == NGX_ERROR) {
+ ngx_http_finalize_request(p->request,
+ NGX_HTTP_INTERNAL_SERVER_ERROR);
+ return;
+ }
+
+ if (rc == NGX_AGAIN) {
+ return;
+ }
+
+ /* rc == NGX_CONNECT_FAILED */
+
+ ngx_event_connect_peer_failed(&p->upstream);
+
+ } while (p->upstream.tries);
+
+ return;
+
+ } else {
+ p->request_hunks = chain;
+
+ ngx_del_timer(wev);
+
+ if (chain) {
+ ngx_add_timer(wev, p->lcf->send_timeout);
+ wev->timer_set = 1;
+
+ } else {
+ wev->timer_set = 0;
+ /* TODO: del event */
+ }
+
+ return;
+ }
+ }
+}
static size_t ngx_http_proxy_log_error(void *data, char *buf, size_t len)
@@ -137,3 +174,30 @@ static size_t ngx_http_proxy_log_error(void *data, char *buf, size_t len)
p->request->connection->addr_text.data,
p->request->unparsed_uri.data);
}
+
+
+static void *ngx_http_proxy_create_loc_conf(ngx_conf_t *cf)
+{
+ ngx_http_proxy_loc_conf_t *conf;
+
+ ngx_test_null(conf,
+ ngx_pcalloc(cf->pool, sizeof(ngx_http_proxy_loc_conf_t)),
+ NGX_CONF_ERROR);
+
+ /* STUB */
+ ngx_test_null(conf->peers, ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)),
+ NGX_CONF_ERROR);
+
+ conf->peers->number = 1;
+ conf->peers->peers[0].addr = inet_addr("127.0.0.1");
+ conf->peers->peers[0].host.data = "localhost";
+ conf->peers->peers[0].host.len = sizeof("localhost") - 1;
+ conf->peers->peers[0].port = htons(9000);
+ conf->peers->peers[0].addr_port_text.data = "127.0.0.1:9000";
+ conf->peers->peers[0].addr_port_text.len = sizeof("127.0.0.1:9000") - 1;
+
+ conf->send_timeout = 30000;
+ /* */
+
+ return conf;
+}