net.http.server: Ensure HTTP callbacks are never called recursively for pipelined...
authorWaqas Hussain <waqas20@gmail.com>
Tue, 26 Feb 2013 14:41:52 +0000 (19:41 +0500)
committerWaqas Hussain <waqas20@gmail.com>
Tue, 26 Feb 2013 14:41:52 +0000 (19:41 +0500)
net/http/server.lua

index 7cf250098ad7f43b92feb3595c0e4ab8975ddc6d..87d82418550489b2e9955abd3a98572ca7008e43 100644 (file)
@@ -89,29 +89,30 @@ function listener.onconnect(conn)
        local pending = {};
        local waiting = false;
        local function process_next()
-               --if waiting then log("debug", "can't process_next, waiting"); return; end
-               if sessions[conn] and #pending > 0 then
+               if waiting then log("debug", "can't process_next, waiting"); return; end
+               waiting = true;
+               while sessions[conn] and #pending > 0 do
                        local request = t_remove(pending);
                        --log("debug", "process_next: %s", request.path);
-                       waiting = true;
                        --handle_request(conn, request, process_next);
                        _1, _2, _3 = conn, request, process_next;
                        if not xpcall(_handle_request, _traceback_handler) then
                                conn:write("HTTP/1.0 500 Internal Server Error\r\n\r\n"..events.fire_event("http-error", { code = 500, private_message = last_err }));
                                conn:close();
                        end
-               else
-                       --log("debug", "ready for more");
-                       waiting = false;
                end
+               --log("debug", "ready for more");
+               waiting = false;
        end
        local function success_cb(request)
                --log("debug", "success_cb: %s", request.path);
+               if waiting then
+                       log("error", "http connection handler is not reentrant: %s", request.path);
+                       assert(false, "http connection handler is not reentrant");
+               end
                request.secure = secure;
                t_insert(pending, request);
-               if not waiting then
-                       process_next();
-               end
+               process_next();
        end
        local function error_cb(err)
                log("debug", "error_cb: %s", err or "<nil>");