How can i get ip and port under forward proxy

[honwel]

static void
 457 ngx_http_upstream_init_request(ngx_http_request_t *r)
........................................
498 #endif
 499 
 500     u->store = (u->conf->store || u->conf->store_lengths);
 501 
 502     if (!u->store && !r->post_action && !u->conf->ignore_client_abort)
{
 503         r->read_event_handler =
ngx_http_upstream_rd_check_broken_connection;
 504         r->write_event_handler =
ngx_http_upstream_wr_check_broken_connection;
 505     }
 506 
 507     if (r->request_body) {
 508         u->request_bufs = r->request_body->bufs;
 509     }
 510 
 511     if (u->create_request(r) != NGX_OK) {
 512         ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
 513         return;
 514     }
 515 
 516     u->peer.local = u->conf->local;
 517     /* init */
 518     u->peer.local_sockaddr = ngx_palloc(r->pool, NGX_SOCKADDRLEN);
....................
 650         return;
 651     }
 652 
 653     ngx_http_upstream_connect(r, u);
}

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,239883,239904#msg-239904