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comparison src/http/ngx_http_variables.c @ 5072:7fa7e60a7f66

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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.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 18 Feb 2013 13:50:52 +0000
parents 829cc5872186
children a805dc9c85cd
comparison
equal deleted inserted replaced
5071:e14b49c12a73 5072:7fa7e60a7f66
1745 ngx_http_variable_value_t *v, uintptr_t data) 1745 ngx_http_variable_value_t *v, uintptr_t data)
1746 { 1746 {
1747 size_t len; 1747 size_t len;
1748 char *p; 1748 char *p;
1749 1749
1750 if (r->keepalive) { 1750 if (r->headers_out.status == NGX_HTTP_SWITCHING_PROTOCOLS) {
1751 len = sizeof("upgrade") - 1;
1752 p = "upgrade";
1753
1754 } else if (r->keepalive) {
1751 len = sizeof("keep-alive") - 1; 1755 len = sizeof("keep-alive") - 1;
1752 p = "keep-alive"; 1756 p = "keep-alive";
1753 1757
1754 } else { 1758 } else {
1755 len = sizeof("close") - 1; 1759 len = sizeof("close") - 1;