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POBuilding zeromq helloworld example with command line mono
 

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    <p>I am trying to build a helloworld example for zeromq using the C# binding. I have succesfully built the .Net library (clrzmq.dll). I am trying to build the single csharp source, form the command line, using the csharp compiler that comes with mono.</p> <p>I have included the contents of the source file below:</p> <pre><code>using System; using System.Collections.Generic; using System.Threading; using System.Text; /** * Author: Randy Dryburgh * Email: me@rwd.im * License: This example code licensed under the MIT/X11 license. */ namespace Examples { class hwserver { static void Main(string[] args) { // allocate a buffer byte[] zmq_buffer = new byte[1024]; // Prepare our context and socket ZMQ.Context context = new ZMQ.Context(1); ZMQ.Socket socket = context.Socket(ZMQ.REP); socket.Bind("tcp://*:5555"); while (true) { try { // Wait for next request from client socket.Recv(out zmq_buffer); string request = Encoding.ASCII.GetString(zmq_buffer); // log that we got one Console.WriteLine("Received request: [%s]", request); // Do some 'work' Thread.Sleep(1); // Send reply back to client socket.Send(Encoding.ASCII.GetBytes("World".ToCharArray())); } catch (ZMQ.Exception z) { // report the exception Console.WriteLine("ZMQ Exception occurred : {0}", z.Message); } } } } } </code></pre> <p>Here is the command line command I use and the error message I get.</p> <pre><code>oompah@localhost:~/work/dev/c++/3rdparty/zeromq/zguide/examples/C#$ mcs hwserver.cs.v1 -lib:/home/oompah/work/dev/c++/3rdparty/zeromq/clrzmq2/clrzmq/bin/Release/ -r:clrzmq.dll hwserver.cs.v1(20,53): error CS0234: The type or namespace name `REP' does not exist in the namespace `ZMQ'. Are you missing an assembly reference? hwserver.cs.v1(20,42): error CS1502: The best overloaded method match for `ZMQ.Context.Socket(ZMQ.SocketType)' has some invalid arguments /home/oompah/work/dev/c++/3rdparty/zeromq/clrzmq2/clrzmq/bin/Release/clrzmq.dll (Location of the symbol related to previous error) hwserver.cs.v1(20,42): error CS1503: Argument `#1' cannot convert `object' expression to type `ZMQ.SocketType' hwserver.cs.v1(26,28): error CS1502: The best overloaded method match for `ZMQ.Socket.Recv(params ZMQ.SendRecvOpt[])' has some invalid arguments /home/oompah/work/dev/c++/3rdparty/zeromq/clrzmq2/clrzmq/bin/Release/clrzmq.dll (Location of the symbol related to previous error) hwserver.cs.v1(26,28): error CS1615: Argument `#1' does not require `out' modifier. Consider removing `out' modifier Compilation failed: 5 error(s), 0 warnings </code></pre> <p>I am not sure why there are so many errors when compiling what is ostensibly, a "trivial" hello world example code supplied with the guideline.</p> <p>The .Net assembly for zeromq built succesfully, so I don't see why I am getting the errors above (assuming that there is nothing wrong with the code above) - how do I fix this?</p> <p>I am running on Ubuntu 10.0.4 LTS, 64 bit.</p> <p><strong>[Edit]</strong></p> <p>Details of my mono build are as follows:</p> <pre><code>Mono JIT compiler version 2.10.2 (tarball Wed Jul 20 17:42:26 BST 2011) Copyright (C) 2002-2011 Novell, Inc and Contributors. www.mono-project.com TLS: __thread SIGSEGV: altstack Notifications: epoll Architecture: amd64 Disabled: none Misc: softdebug LLVM: supported, not enabled. GC: Included Boehm (with typed GC and Parallel Mark) </code></pre>
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