mongodb: message_server.h Source File

00001 // message_server.h
00002 
00003 /*    Copyright 2009 10gen Inc.
00004  *
00005  *    Licensed under the Apache License, Version 2.0 (the "License");
00006  *    you may not use this file except in compliance with the License.
00007  *    You may obtain a copy of the License at
00008  *
00009  *    http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  *    Unless required by applicable law or agreed to in writing, software
00012  *    distributed under the License is distributed on an "AS IS" BASIS,
00013  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *    See the License for the specific language governing permissions and
00015  *    limitations under the License.
00016  */
00017 
00018 /*
00019   abstract database server
00020   async io core, worker thread system
00021  */
00022 
00023 #pragma once
00024 
00025 #include "../pch.h"
00026 
00027 namespace mongo {
00028 
00029     class MessageHandler {
00030     public:
00031         virtual ~MessageHandler() {}
00032 
00033         virtual void connected( AbstractMessagingPort* p ) = 0;
00034         virtual void process( Message& m , AbstractMessagingPort* p , LastError * err ) = 0;
00035         virtual void disconnected( AbstractMessagingPort* p ) = 0;
00036     };
00037 
00038     class MessageServer {
00039     public:
00040         struct Options {
00041             int port;                   // port to bind to
00042             string ipList;             // addresses to bind to
00043 
00044             Options() : port(0), ipList("") {}
00045         };
00046 
00047         virtual ~MessageServer() {}
00048         virtual void run() = 0;
00049         virtual void setAsTimeTracker() = 0;
00050     };
00051 
00052     // TODO use a factory here to decide between port and asio variations
00053     MessageServer * createServer( const MessageServer::Options& opts , MessageHandler * handler );
00054 }