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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /** | ||
| * Parameters for the proxy | ||
| **/ | ||
| var inputHost = 'localhost'; | ||
| var inputPort = 27017; | ||
| var outputHost = 'localhost'; | ||
| var outputPort = 27018; | ||
| var webServerPort = 8080; | ||
|
|
||
| /** | ||
| * Proxy handling | ||
| **/ | ||
| var net = require('net'), | ||
| http = require('http'), | ||
| format = require('util').format; | ||
| var connectionNumber = 0, | ||
| incomingConnections = {}, | ||
| outgoingConnections = {}; | ||
|
|
||
| // Server instance | ||
| var server = net.createServer(function(connection) { | ||
| console.log("=============================================== server connected"); | ||
| // console.dir(connection) | ||
| // Set the id | ||
| connection.id = connectionNumber++; | ||
| // Outgoing connection | ||
| var outgoingConnection = net.createConnection(outputPort, outputHost); | ||
| outgoingConnection.id = connection.id; | ||
| // Create a connection | ||
| outgoingConnections[connection.id] = outgoingConnection; | ||
| incomingConnections[connection.id] = connection; | ||
| // Listen to incoming data | ||
| connection.on("data", function(data) { | ||
| outgoingConnections[this.id].write(data); | ||
| }); | ||
|
|
||
| connection.on("close", function() { | ||
| console.log("===================================== closing incoming connection :: " + this.id) | ||
| if(outgoingConnections[this.id]) outgoingConnections[this.id].destroy(); | ||
| delete outgoingConnections[this.id]; | ||
| }) | ||
|
|
||
| outgoingConnections[connection.id].on("data", function(data) { | ||
| incomingConnections[this.id].write(data); | ||
| }); | ||
|
|
||
| outgoingConnections[connection.id].on("close", function(data) { | ||
| console.log("===================================== closing outgoing connection :: " + this.id) | ||
| if(incomingConnections[this.id]) incomingConnections[this.id].destroy(); | ||
| delete incomingConnections[this.id]; | ||
| }); | ||
| }); | ||
|
|
||
| // Boot up server letting you control the connection | ||
| var webserver = http.createServer(function(request, response) { | ||
| console.log("----------------------------------------------------------- 8080") | ||
| // console.dir(request.url.) | ||
| if(request.url == '/sockets') { | ||
| renderSocketList(incomingConnections, response); | ||
| } else if(request.url.indexOf('/sockets/close') != -1) { | ||
| // Get the id and kill it | ||
| var id = request.url.split("/").pop(); | ||
| id = id != null ? parseInt(id) : null; | ||
| if(id != null && incomingConnections[id] != null) { | ||
| } | ||
| // Render the socket list | ||
| renderSocketList(incomingConnections, response); | ||
| } else if(request.url.indexOf('/rest/kill_random_socket')) { | ||
| // Grab all the connection ids | ||
| var keys = Object.keys(incomingConnections); | ||
| // Grab a random one in the space | ||
| var id = keys[Math.floor(Math.random(keys.length))]; | ||
| // Terminate the connection | ||
|
|
||
| } else { | ||
| // Write 401 error out | ||
| response.writeHead(401, { 'Content-Type': 'text/plain'}); | ||
| response.write("No such page found"); | ||
| response.end(); | ||
| } | ||
| }); | ||
| // Listen | ||
| webserver.listen(webServerPort); | ||
|
|
||
| var renderSocketList = function(_incomingConnections, _response) { | ||
| // Write out the list of available sockets we can kill if we wish | ||
| _response.writeHead(200, { 'Content-Type': 'text/html'}); | ||
| // Map the array | ||
| var socketids = Object.keys(_incomingConnections).map(function(item) { | ||
| return format("<li>Socket %s <a href='/sockets/close/%s'>[Close]</a></li>", item, item); | ||
| }); | ||
| // Write out the data | ||
| _response.write(format("<head></head><body><ul>%s</ul></body>", socketids.join(""))) | ||
| _response.end(); | ||
| } | ||
|
|
||
| var terminateConnection = function(id) { | ||
| // Get the connections | ||
| var incomingConnection = incomingConnections[id]; | ||
| var outgoingConnection = outgoingConnections[id]; | ||
| // Remove from the list | ||
| delete incomingConnections[id]; | ||
| delete outgoingConnections[id]; | ||
| // Kill them | ||
| incomingConnection.destroy(); | ||
| outgoingConnection.destroy(); | ||
| } | ||
|
|
||
| // Listen to port | ||
| server.listen(inputPort, inputHost, function() { | ||
| console.log("server bound") | ||
| }); |
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