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authorMaxim Dounin <mdounin@mdounin.ru>2013-02-18 13:50:52 +0000
committerMaxim Dounin <mdounin@mdounin.ru>2013-02-18 13:50:52 +0000
commit08a73b4aadebd9405ac52ec1f6eef5ca1fe8c11a (patch)
tree844f6f53431a2c5071b7a799a697b26631946db9 /src/http/ngx_http_variables.c
parent35c17ea6f55c202956dccdf11edcdcda432edebe (diff)
downloadnginx-08a73b4aadebd9405ac52ec1f6eef5ca1fe8c11a.tar.gz
nginx-08a73b4aadebd9405ac52ec1f6eef5ca1fe8c11a.zip
Proxy: support for connection upgrade (101 Switching Protocols).
This allows to proxy WebSockets by using configuration like this: location /chat/ { proxy_pass http://backend; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; } Connection upgrade is allowed as long as it was requested by a client via the Upgrade request header.
Diffstat (limited to 'src/http/ngx_http_variables.c')
-rw-r--r--src/http/ngx_http_variables.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index 0c6872fe2..b8190b030 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -1747,7 +1747,11 @@ ngx_http_variable_sent_connection(ngx_http_request_t *r,
size_t len;
char *p;
- if (r->keepalive) {
+ if (r->headers_out.status == NGX_HTTP_SWITCHING_PROTOCOLS) {
+ len = sizeof("upgrade") - 1;
+ p = "upgrade";
+
+ } else if (r->keepalive) {
len = sizeof("keep-alive") - 1;
p = "keep-alive";