commit 75901ca197445fc8401aad41c631418c89e10f93
author Vladimir Homutov <vl@nginx.com> Mon Apr 03 17:29:19 2017 +0300
committer Vladimir Homutov <vl@nginx.com> Mon Apr 03 17:29:19 2017 +0300
tree b740419e4a1ce86c24cd62cfccfe77d06717563e
parent b420a91f1571a617dee8cfecd21d5367339fd140

Stream: configurable socket buffer sizes.

The "rcvbuf" and "sndbuf" parameters are now supported by
the "listen" directive.

src/stream/ngx_stream.c

diff --git a/src/stream/ngx_stream.c b/src/stream/ngx_stream.c
index 4a394d7..0efbda8 100644
--- a/src/stream/ngx_stream.c
+++ b/src/stream/ngx_stream.c
@@ -494,6 +494,8 @@
             ls->log.handler = ngx_accept_log_error;
 
             ls->backlog = addr[i].opt.backlog;
+            ls->rcvbuf = addr[i].opt.rcvbuf;
+            ls->sndbuf = addr[i].opt.sndbuf;
 
             ls->wildcard = addr[i].opt.wildcard;
 

src/stream/ngx_stream.h

diff --git a/src/stream/ngx_stream.h b/src/stream/ngx_stream.h
index 814e3b9..09d2459 100644
--- a/src/stream/ngx_stream.h
+++ b/src/stream/ngx_stream.h
@@ -62,6 +62,8 @@
     int                            tcp_keepcnt;
 #endif
     int                            backlog;
+    int                            rcvbuf;
+    int                            sndbuf;
     int                            type;
 } ngx_stream_listen_t;
 

src/stream/ngx_stream_core_module.c

diff --git a/src/stream/ngx_stream_core_module.c b/src/stream/ngx_stream_core_module.c
index f7870ee..db8c2a3 100644
--- a/src/stream/ngx_stream_core_module.c
+++ b/src/stream/ngx_stream_core_module.c
@@ -582,7 +582,7 @@
 {
     ngx_stream_core_srv_conf_t  *cscf = conf;
 
-    ngx_str_t                    *value;
+    ngx_str_t                    *value, size;
     ngx_url_t                     u;
     ngx_uint_t                    i, backlog;
     ngx_stream_listen_t          *ls, *als;
@@ -620,6 +620,8 @@
 
     ls->socklen = u.socklen;
     ls->backlog = NGX_LISTEN_BACKLOG;
+    ls->rcvbuf = -1;
+    ls->sndbuf = -1;
     ls->type = SOCK_STREAM;
     ls->wildcard = u.wildcard;
     ls->ctx = cf->ctx;
@@ -659,6 +661,38 @@
             continue;
         }
 
+        if (ngx_strncmp(value[i].data, "rcvbuf=", 7) == 0) {
+            size.len = value[i].len - 7;
+            size.data = value[i].data + 7;
+
+            ls->rcvbuf = ngx_parse_size(&size);
+            ls->bind = 1;
+
+            if (ls->rcvbuf == NGX_ERROR) {
+                ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                                   "invalid rcvbuf \"%V\"", &value[i]);
+                return NGX_CONF_ERROR;
+            }
+
+            continue;
+        }
+
+        if (ngx_strncmp(value[i].data, "sndbuf=", 7) == 0) {
+            size.len = value[i].len - 7;
+            size.data = value[i].data + 7;
+
+            ls->sndbuf = ngx_parse_size(&size);
+            ls->bind = 1;
+
+            if (ls->sndbuf == NGX_ERROR) {
+                ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
+                                   "invalid sndbuf \"%V\"", &value[i]);
+                return NGX_CONF_ERROR;
+            }
+
+            continue;
+        }
+
         if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) {
 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
             size_t  len;