public HttpResponseMessage GetLiveStream(Int32 callId, Int32 lineId, Int32 unitId, String ani)
{
HttpResponseMessage response = Request.CreateResponse();
try
{
Boolean startStreaming = false;
String argsStr = $"args: lineId: {lineId}, unitId: {unitId}, ani: {ani}, callId: {callId}";
UInt32 responseCode = 0;
// Only send monitor start request if the stream does not already exist.
if (AudioHandler.IsExistingStream(callId))
{
_logger.LogInfo($"No monitor start request sent. Stream already exists.\r\n\t{argsStr}");
startStreaming = true;
}
else
{
MailmanResponse mailmanResponse = CircuitsInterop.MonitorRequestStart(callId, lineId, unitId, ani);
responseCode = CircuitsInterop.GetResponseCode(mailmanResponse);
//CircuitsInterop.MonitorRequestStart(callId, lineId, unitId, ani, false);
//responseCode = ResponseCodes.LM_OK;
_logger.LogInfo($"Monitor start request sent.\r\n\t{argsStr}\r\n\tResponseCode: {responseCode}");
switch (responseCode)
{
case ResponseCodes.LM_OK:
startStreaming = true;
AudioHandler.CreateNewStream(callId);
break;
case ResponseCodes.LM_INVALID_INFO:
case ResponseCodes.LM_MONITOR_REQ_INVALID:
response.StatusCode = HttpStatusCode.BadRequest;
break;
case ResponseCodes.LM_NO_MONITORING_SESSION:
case ResponseCodes.LM_INTERNAL_ERROR:
case ResponseCodes.LM_COMM_FAILURE:
case ResponseCodes.LM_NOT_REGISTERED:
response.StatusCode = HttpStatusCode.InternalServerError;
break;
default:
response.StatusCode = HttpStatusCode.InternalServerError;
break;
}
}
if (startStreaming)
{
CurrentSessionHandler session = new CurrentSessionHandler(HttpContext.Current.Session);
response.Content = new PushStreamContent(
async(outputStream, httpContent, context) =>
{
await AudioHandler.WriteToAsync(outputStream, httpContent, context, callId, lineId, unitId, ani, session.Username);
},
new MediaTypeHeaderValue("audio/wav")
);
_logger.LogInfo($"User '{session.Username}' started streaming call ID: {callId}");
response.StatusCode = HttpStatusCode.OK;
}
else
{
_logger.LogWarning($"Request Monitor Start returned response code: {responseCode}\r\n\t{argsStr}");
}
return(response);
}
catch (Exception ex)
{
_logger.LogError(ex, "Exception in GetLiveStream");
response.StatusCode = HttpStatusCode.InternalServerError;
response.Content = new StringContent("Error retrieving live stream audio data");
return(response);
}
}