[Freeswitch-users] Issue in .NET call control using ESL DLL

[Peter Olsson]

Version 1.2.13 is ancient. Please start by using a current version, and
then report back to the list.

/Peter

2015-01-22 14:14 GMT+01:00 Grant Bagdasarian <gb at cm.nl>:

>  Hello,
>
>
>
> I’m experiencing a rather weird issue when using the ESL libraries for
> .NET.
>
>
>
> When running the below code outside of Visual Studio in its own
> executable(Console Application) I’m receiving the below exception.
>
> When the code is run inside Visual Studio, it works perfect.
>
>
>
> Using ESL library contained in Freeswitch 1.2.13.
>
>
>
> Unhandled Exception: System.AccessViolationException: Attempted to read or
> write protected memory. This is often an indication that other memory is
> corrupt.
>
>    at CSharp_ESLevent_Serialize(Void* jarg1, SByte* jarg2) in
> c:\users\gb\downloads\freeswitch-1.2.13\freeswitch-1.2.13\libs\esl\managed\esl_wrap.cpp:line
> 413
>
>    at ManagedEsl.ESLPINVOKE.ESLevent_Serialize(HandleRef jarg1, String
> jarg2)
>
>    at VoiceEventSocketDemoClient.Program.Main(String[] args) in
> c:\Users\gb\Documents\Visual Studio
> 2012\Projects\VoiceEventSocketDemoClient\VoiceEventSocketDemoClient\Program.cs:line
> 26
>
>
>
> TcpListener server = new TcpListener(IPAddress.Parse("LISTEN.IP.GOES.HERE"
> ), 5000);
>
>
>
> server.Start();
>
>  TcpClient eslClient = server.AcceptTcpClient();
>
>  ESLconnection eslConnection = new ESLconnection(eslClient.Client.Handle.
> ToInt32());
>
>  ESLevent e = eslConnection.GetInfo();
>
> Console.WriteLine(e.Serialize("json"));
>
>
>
> Does anyone know why this is happening? Maybe someone can reproduce the
> problem on their own PC using the above code example.
>
>
>
> Thank you!
>
>
>
> Regards,
>
>
>
> Grant
>
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