94 lines
2.3 KiB
JavaScript
94 lines
2.3 KiB
JavaScript
/**
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* This is the Socket.IO Router. It routes the Messages between the
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* components of the Server. The components are at the moment: pad and timeslider
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*/
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/*
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* 2011 Peter 'Pita' Martischka
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Saves all components
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* key is the component name
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* value is the component module
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*/
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var components = {};
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var socket;
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/**
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* adds a component
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*/
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exports.addComponent = function(moduleName, module)
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{
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//save the component
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components[moduleName] = module;
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//give the module the socket
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module.setSocketIO(socket);
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}
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/**
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* sets the socket.io and adds event functions for routing
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*/
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exports.setSocketIO = function(_socket)
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{
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//save this socket internaly
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socket = _socket;
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socket.on('connection', function(client)
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{
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//tell all components about this connect
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for(var i in components)
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{
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components[i].handleConnect(client);
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}
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client.on('message', function(message)
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{
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if(message.protocolVersion && message.protocolVersion != 2)
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{
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console.error("Protocolversion header is not correct:" + JSON.stringify(message));
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return;
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}
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//route this message to the correct component, if possible
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if(message.component && components[message.component])
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{
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console.error(message);
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//check if component is registered in the components array
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if(components[message.component])
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{
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components[message.component].handleMessage(client, message);
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}
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}
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else
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{
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console.error("Can't route the message:" + JSON.stringify(message));
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}
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});
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client.on('disconnect', function()
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{
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//tell all components about this disconnect
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for(var i in components)
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{
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components[i].handleDisconnect(client);
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}
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});
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});
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}
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