feature: now the raw request cosocket returned by ngx.req.socket() no…

… longer requires the request body to be read already, which means that one can use this cosocket to read the raw request body data as well. thanks aviramc for the original patch.

src/ngx_http_lua_socket_tcp.c

@@ -3150,9 +3150,11 @@ ngx_http_lua_req_socket(lua_State *L)
         return 2;
 #else
         if (!r->request_body) {
-            lua_pushnil(L);
-            lua_pushliteral(L, "requesty body not read yet");
-            return 2;
+            rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t));
+            if (rb == NULL) {
+                return luaL_error(L, "out of memory");
+            }
+            r->request_body = rb;
         }
 
         if (c->buffered) {

t/116-raw-req-socket.t

@@ -5,7 +5,7 @@ use t::TestNginxLua;
 
 repeat_each(2);
 
-plan tests => repeat_each() * 29;
+plan tests => repeat_each() * 33;
 
 our $HtmlDir = html_dir;
 
@@ -695,3 +695,43 @@ msg: 1: received: hello, wo
 --- no_error_log
 [error]
 
+
+
+=== TEST 13: request body not read yet
+--- config
+    server_tokens off;
+    location = /t {
+        content_by_lua '
+            local sock, err = ngx.req.socket(true)
+            if not sock then
+                ngx.log(ngx.ERR, "server: failed to get raw req socket: ", err)
+                return
+            end
+
+            local data, err = sock:receive(5)
+            if not data then
+                ngx.log(ngx.ERR, "failed to receive: ", err)
+                return
+            end
+
+            local ok, err = sock:send("HTTP/1.1 200 OK\\r\\nContent-Length: 5\\r\\n\\r\\n" .. data)
+            if not ok then
+                ngx.log(ngx.ERR, "failed to send: ", err)
+                return
+            end
+        ';
+    }
+
+--- raw_request eval
+"GET /t HTTP/1.0\r
+Host: localhost\r
+Content-Length: 5\r
+\r
+hello"
+--- response_headers
+Content-Length: 5
+--- response_body chop
+hello
+--- no_error_log
+[error]
+