Stream: the "tcp_nodelay" directive.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/stream/ngx_stream_handler.c b/src/stream/ngx_stream_handler.c
index 7b635fa4c..24afbcd35 100644
--- a/src/stream/ngx_stream_handler.c
+++ b/src/stream/ngx_stream_handler.c
@@ -23,6 +23,7 @@ static void ngx_stream_ssl_handshake_handler(ngx_connection_t *c);
 void
 ngx_stream_init_connection(ngx_connection_t *c)
 {
+    int                           tcp_nodelay;
     u_char                        text[NGX_SOCKADDR_STRLEN];
     size_t                        len;
     ngx_int_t                     rc;
@@ -165,6 +166,24 @@ ngx_stream_init_connection(ngx_connection_t *c)
         }
     }
 
+    if (cscf->tcp_nodelay && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) {
+        ngx_log_debug0(NGX_LOG_DEBUG_STREAM, c->log, 0, "tcp_nodelay");
+
+        tcp_nodelay = 1;
+
+        if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY,
+                       (const void *) &tcp_nodelay, sizeof(int)) == -1)
+        {
+            ngx_connection_error(c, ngx_socket_errno,
+                                 "setsockopt(TCP_NODELAY) failed");
+            ngx_stream_close_connection(c);
+            return;
+        }
+
+        c->tcp_nodelay = NGX_TCP_NODELAY_SET;
+    }
+
+
 #if (NGX_STREAM_SSL)
     {
     ngx_stream_ssl_conf_t  *sslcf;