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NNanomsg is a .NET binding for nanomsg. It can be used without recompiling on any platform where .NET is available.

At runtime NNanomsg needs to be able to locate the native nanomsg library for your platform. The following paths are searched (in order) until the native library is found:

 Windows:   [Application Directory]\bin\[x86|x64]
            [Application Directory]\[x86|x64]
            [Application Directory]
            [NNanomsg.dll Directory]\bin\[x86|x64]
            [NNanomsg.dll Directory]\[x86|x64]
            [NNanomsg.dll Directory]

 Posix:     [Application Directory]/bin/[x86|x64]
            [Application Directory]/[x86|x64]
            [Application Directory]

For convenience, we've included nanomsg binaries for Windows (x86 and x64) and Linux (x86 and x64) in the git repository.


A simple C# example is included in the source distribution and you might also want to look at the Test project.


NNanomsg actually exposes two API's:

  1. Static methods in the NN class. These match those of the C API very closely.
  2. NanomsgSocket and associated classes which provide a higher level idiomatic .NET interface.

For most applications, the higher level interface should be used.

Development Status

Alpha quality. We're still debating the best way to structure some functionality and parts of the API will likely change.

The current version of NNanomsg requires nanomsg-0.3-beta or greater.

Only tested on linux/mono and Windows/Microsoft CLR.

Building Notes

A Vagrantfile that builds a VM with nanomsg and mono installed which can be used to run the example project is included.

Procedure used for generating shared nanomsg libraries:

Windows x86

 cmake.exe . -G "Visual Studio 12"

then Release build in Visual Studio 2013

Windows x64

 cmake.exe . -G "Visual Studio 12 Win64"

then Release build in Visual Studio 2013

Linux x86/x64

 autoreconf -fi
 ./configure --enable-shared
 make install

.so library is in /usr/local/lib

NuGet package

  1. do a release build of NNanomsg in Visual Studio.
  2. execute the script nugetpkg_make.bat in the NNanomsg project directory
  3. cd nugetpkg
  4. NuGet.exe pack

Primary Contributors


.NET binding for nanomsg




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