Start prototyping SPDY support.

POST does not work, probably tons of memory leaks and security vulnerabilities.

Author: libc

auto/modules

@@ -267,9 +267,10 @@ fi
 if [ $HTTP_SSL = YES ]; then
     USE_OPENSSL=YES
     have=NGX_HTTP_SSL . auto/have
-    HTTP_MODULES="$HTTP_MODULES $HTTP_SSL_MODULE"
-    HTTP_DEPS="$HTTP_DEPS $HTTP_SSL_DEPS"
-    HTTP_SRCS="$HTTP_SRCS $HTTP_SSL_SRCS"
+    have=NGX_HTTP_SPDY . auto/have
+    HTTP_MODULES="$HTTP_MODULES $HTTP_SSL_MODULE $HTTP_SPDY_MODULE"
+    HTTP_DEPS="$HTTP_DEPS $HTTP_SSL_DEPS $HTTP_SPDY_DEPS"
+    HTTP_SRCS="$HTTP_SRCS $HTTP_SSL_SRCS $HTTP_SPDY_SRCS"
 fi
 
 if [ $HTTP_PROXY = YES ]; then

auto/sources

@@ -412,6 +412,10 @@ HTTP_SSL_MODULE=ngx_http_ssl_module
 HTTP_SSL_DEPS=src/http/modules/ngx_http_ssl_module.h
 HTTP_SSL_SRCS=src/http/modules/ngx_http_ssl_module.c
 
+HTTP_SPDY_MODULE=ngx_http_spdy_module
+HTTP_SPDY_DEPS=src/http/modules/ngx_http_spdy_module.h
+HTTP_SPDY_SRCS=src/http/modules/ngx_http_spdy_module.c
+
 
 HTTP_PROXY_MODULE=ngx_http_proxy_module
 HTTP_PROXY_SRCS=src/http/modules/ngx_http_proxy_module.c

src/core/ngx_connection.c

@@ -851,7 +851,7 @@ ngx_close_connection(ngx_connection_t *c)
     ngx_uint_t    log_error, level;
     ngx_socket_t  fd;
 
-    if (c->fd == -1) {
+    if (c->unclosable != 1 && c->fd == -1) {
         ngx_log_error(NGX_LOG_ALERT, c->log, 0, "connection already closed");
         return;
     }
@@ -930,7 +930,7 @@ ngx_close_connection(ngx_connection_t *c)
     fd = c->fd;
     c->fd = (ngx_socket_t) -1;
 
-    if (ngx_close_socket(fd) == -1) {
+    if (c->unclosable != 1 && ngx_close_socket(fd) == -1) {
 
         err = ngx_socket_errno;
 

src/core/ngx_connection.h

@@ -79,7 +79,6 @@ struct ngx_listening_s {
 #if (NGX_HAVE_SETFIB)
     int                 setfib;
 #endif
-
 };
 
 
@@ -176,6 +175,10 @@ struct ngx_connection_s {
     ngx_buf_t          *busy_sendfile;
 #endif
 
+#if (NGX_HTTP_SPDY)
+    unsigned            unclosable:1;
+#endif
+
 #if (NGX_THREADS)
     ngx_atomic_t        lock;
 #endif

src/event/ngx_event_openssl.h

@@ -153,7 +153,6 @@ void ngx_cdecl ngx_ssl_error(ngx_uint_t level, ngx_log_t *log, ngx_err_t err,
     char *fmt, ...);
 void ngx_ssl_cleanup_ctx(void *data);
 
-
 extern int  ngx_ssl_connection_index;
 extern int  ngx_ssl_server_conf_index;
 extern int  ngx_ssl_session_cache_index;