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Id
7436847
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0
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2011-09-15T20:06:48.190
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2011-09-15T21:53:44.660
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2011-09-15T21:53:44.660
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539993
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539993
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7260856
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2
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text
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Guess I'll answer my own question. I implemented the solution my self. Key points to my solution: A class named IPClient which wraps up a TcpClient instance, uses async model of calling TcpClient.BeginConnect, BeginRead, etc. It has a Timer used for reconnecting if it loses connection. This is the class that connects to the device. It's public interface would look something like this: <pre><code>public class IPClient{ public event EventHandler<MyConnectedArgs> Connected; public event EventHandler<MyDisconnectedArgs>Disconnected; public event EventHandler<MyDataReceivedArgs> DataReceived; public bool Connect(string address, int port){...} public bool Disconnect() {...} } </code></pre> To open the port that would allow other clients to connect, I used this library: <a href="http://codeproject.com/KB/IP/BasicTcpServer.aspx" rel="nofollow">http://codeproject.com/KB/IP/BasicTcpServer.aspx</a> and modified it a bit. It's job was to open a port, accept connections, and do the following: <ol> <li> in the Connected handler, start the listening port</li> <li> in the Disconnected handler, stop the listening port</li> <li> in the DataReceived handler, broadcast the data to any connected clients.</li> </ol> I'll leave out the rest of the boring details, but say it wasn't "too hard", and eventually I just had to roll my own. command line usage: myapp.exe remote_addr remote_port listen_port psuedocode/main idea of my program main: <pre><code>static int Main(string[] args){ //SetConsoleCtrlHandler(my callback re: ctrl+C,etc) //get command line params var ipClient = new IPClient(); var myprovider = MyTcpServiceProvider(); var server = new TcpServer(myProvider, listenPort); ipClient.Connected += (sender, e) => server.Start(); ipClient.Disconnected += (sender,e) => server.Stop(); ipClient.DataReceived += (sender,e)=> provider.BroadcastToClients(e.Data); ipClient.Connect(remoteAddress, remotePort); //wait for Ctrl+C or program exit //shutdown code,etc return 0; } </code></pre>
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1. POAny off the shelf app to rebroadcast tcp packets?
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