[Freeswitch-users] ESL socket outbound in C++

[Michael Collins]

We appreciate you sharing! Feel free to add this to the wiki as well.
-MC

On Fri, Feb 18, 2011 at 8:25 AM, Stephen Wilde <wstephen80 at gmail.com> wrote:

> I'm learning to use ESL in C++ to do a call control and I want to share my
> code with the community.
>
> I had a little difficult at startup so I hope that this code can help
> someone.
>
> The code is: http://pastebin.freeswitch.org/15418
>
> Using "esl_oop" module, I have implemented a basic ESL Channel class (that
> can be extended) so the "main" event handling loop can be very simple, for
> example for an unuseful esl bridge application, can be:
>
>     ESLchannel legA(&connection, inbound_uuid);
>
>     ESLchannel legB(&connection);
>     legB.Originate(dialstring)
>
>     while (1)
>     {
>         ESLevent * event = connection.recvEventTimed(1000);
>
>         if (event)
>         {
>             const char * ename = event->getHeader("Event-Name");
>             const char * event_uuid = event->getHeader("unique-id");
>
>             // It's an event for LegB ?
>             //-------------------------
>             if (legB.Uuid() == event_uuid)
>             {
>                 if (!strcmp(ename, "CHANNEL_PROGRESS_MEDIA"))
>                 {
>                     legA.PreAnswer();
>                     legA.BridgeTo(legB);
>                 }
>                 else if (!strcmp(ename, "CHANNEL_ANSWER"))
>                 {
>                     legA.Answer();
>                     legA.BridgeTo(legB);
>                 }
>                 else if (!strcmp(ename,"CHANNEL_HANGUP"))
>                 {
>                     const char * cause = event->getHeader("Hangup-Cause");
>
>                     legA.Hangup(cause);
>                 }
>             }
>             // It's an event for LegA ?
>             //-------------------------
>             else if (legA.Uuid() == event_uuid)
>             {
>                 if (!strcmp(ename,"CHANNEL_HANGUP"))
>                 {
>                     const char * cause = event->getHeader("Hangup-Cause");
>
>                     legB.Hangup(cause);
>                 }
>             }
>
>             delete event;
>         }
>     }
>
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