public AGIRequest ReadRequest()
{
var lines = new List<string>();
try
{
#if LOGGER
logger.Info("AGIReader.ReadRequest():");
#endif
string line;
while ((line = socket.ReadLine()) != null)
{
if (line.Length == 0)
break;
lines.Add(line);
#if LOGGER
logger.Info(line);
#endif
}
}
catch (IOException ex)
{
throw new AGINetworkException("Unable to read request from Asterisk: " + ex.Message, ex);
}
var request = new AGIRequest(lines)
{
LocalAddress = socket.LocalAddress,
LocalPort = socket.LocalPort,
RemoteAddress = socket.RemoteAddress,
RemotePort = socket.RemotePort
};
return request;
}
public AGIScript DetermineScript(AGIRequest request)
{
AGIScript script = null;
if (mapping != null)
lock (mapping.SyncRoot)
{
if (mapping.Contains(request.Script))
script = (AGIScript) mapping[request.Script];
}
return script;
}
public AGIScript DetermineScript(AGIRequest request)
{
AGIScript script = null;
if (mapping != null)
{
lock (mapping.SyncRoot)
{
if (mapping.Contains(request.Script))
{
script = (AGIScript)mapping[request.Script];
}
}
}
return(script);
}
public AGIRequest ReadRequest()
{
var lines = new List <string>();
try
{
#if LOGGER
logger.Info("AGIReader.ReadRequest():");
#endif
string line;
while ((line = socket.ReadLine()) != null)
{
if (line.Length == 0)
{
break;
}
lines.Add(line);
#if LOGGER
logger.Info(line);
#endif
}
}
catch (IOException ex)
{
throw new AGINetworkException("Unable to read request from Asterisk: " + ex.Message, ex);
}
var request = new AGIRequest(lines)
{
LocalAddress = socket.LocalAddress,
LocalPort = socket.LocalPort,
RemoteAddress = socket.RemoteAddress,
RemotePort = socket.RemotePort
};
return(request);
}
public abstract void Service(AGIRequest param1, AGIChannel param2);
/*
* Call -> play "wellcome" -> wait digit 5 seconds -> press 1 -> play "press-1" -> wait digit -> press * ----------------------------\
* ^ ^ ^ -> press 4 -> play "press-4" -------\ |
* | | | -> press any -> play "bad" "digit" -+ |
* | | \-----------------------------------------/ |
* | | -> press # or timeout -\ |
* | | | |
* | | -> press # or timeout -> play "goodbye" -> Hangup | |
* | | ^ | |
* | | \-----------------------------------+ |
* | | | |
* | | | |
* | | -> press 2 -> play "press-1" -> wait digit -> press # or timeout -/ |
* | | ^ -> press * ----------------------------+
* | | | -> press 4 -> play "press-4" -------\ |
* | | | -> press any -> play "bad" "digit" -+ |
* | | \-----------------------------------------/ |
* | | |
* | | -> press other -> play "bad" "digit" -\ |
* | \--------------------------------------------------/ |
* \-------------------------------------------------------------------------------------------------------------------/
*/
public override void Service(AGIRequest request, AGIChannel channel)
{
Answer();
int submenu = 0;
char key = '\0';
bool welcome = true;
while (true)
{
if (welcome)
{
key = StreamFile("welcome", escapeKeys);
welcome = false;
submenu = 0;
}
if (key == '\0')
{
key = WaitForDigit(5000);
if (key == '\0' || key == '#')
{
StreamFile("goodbye");
break;
}
}
char newKey = '\0';
switch (submenu)
{
case 0:
switch (key)
{
case '1':
newKey = StreamFile("press-1", escapeKeys);
submenu = 1;
break;
case '2':
newKey = StreamFile("press-2", escapeKeys);
submenu = 2;
break;
case '3':
newKey = StreamFile("press-3", escapeKeys);
break;
default:
newKey = StreamFile("bad", escapeKeys);
if(newKey == '\0')
newKey = StreamFile("digit", escapeKeys);
break;
}
break;
case 1:
switch (key)
{
case '*':
welcome = true;
break;
case '4':
newKey = StreamFile("press-4", escapeKeys);
break;
default:
newKey = StreamFile("bad", escapeKeys);
if (newKey == '\0')
newKey = StreamFile("digit", escapeKeys);
break;
}
break;
case 2:
switch (key)
{
case '*':
welcome = true;
break;
case '5':
newKey = StreamFile("press-5", escapeKeys);
break;
default:
newKey = StreamFile("bad", escapeKeys);
if (newKey == '\0')
newKey = StreamFile("digit", escapeKeys);
break;
}
break;
}
key = newKey;
}
Hangup();
}
public abstract void Service(AGIRequest param1, AGIChannel param2);
public void Run()
{
try
{
var reader = new AGIReader(socket);
var writer = new AGIWriter(socket);
AGIRequest request = reader.ReadRequest();
//Added check for when the request is empty
//eg. telnet to the service
if (request.Request.Count > 0)
{
var channel = new AGIChannel(writer, reader, _SC511_CAUSES_EXCEPTION, _SCHANGUP_CAUSES_EXCEPTION);
AGIScript script = mappingStrategy.DetermineScript(request);
Thread.SetData(_channel, channel);
if (script != null)
{
#if LOGGER
logger.Info("Begin AGIScript " + script.GetType().FullName + " on " + Thread.CurrentThread.Name);
#endif
script.Service(request, channel);
#if LOGGER
logger.Info("End AGIScript " + script.GetType().FullName + " on " + Thread.CurrentThread.Name);
#endif
}
else
{
var error = "No script configured for URL '" + request.RequestURL + "' (script '" + request.Script +
"')";
channel.SendCommand(new VerboseCommand(error, 1));
#if LOGGER
logger.Error(error);
#endif
}
}
else
{
var error = "A connection was made with no requests";
#if LOGGER
logger.Error(error);
#endif
}
}
catch (AGIHangupException)
{
}
catch (IOException)
{
}
catch (AGIException ex)
{
#if LOGGER
logger.Error("AGIException while handling request", ex);
#else
throw ex;
#endif
}
catch (Exception ex)
{
#if LOGGER
logger.Error("Unexpected Exception while handling request", ex);
#else
throw ex;
#endif
}
Thread.SetData(_channel, null);
try
{
socket.Close();
}
#if LOGGER
catch (IOException ex)
{
logger.Error("Error on close socket", ex);
}
#else
catch { }
#endif
}
