internal RecordAction(Call call, string controlID, CallRecord record)
{
Call = call;
ControlID = controlID;
Record = record;
Call.OnRecordStateChange += Call_OnRecordStateChange;
}
private async Task <RecordResult> InternalRecordAsync(string controlID, CallRecord record)
{
await API.API.SetupAsync();
RecordResult resultRecord = new RecordResult();
TaskCompletionSource <bool> tcsCompletion = new TaskCompletionSource <bool>();
// Hook callbacks temporarily to catch required events
RecordFinishedCallback finishedCallback = (a, c, e, p) =>
{
resultRecord.Event = new Event(e.EventType, JObject.FromObject(p));
resultRecord.Url = p.URL;
resultRecord.Duration = p.Duration;
resultRecord.Size = p.Size;
tcsCompletion.SetResult(true);
};
RecordNoInputCallback noinputCallback = (a, c, e, p) =>
{
resultRecord.Event = new Event(e.EventType, JObject.FromObject(p));
tcsCompletion.SetResult(false);
};
OnRecordFinished += finishedCallback;
OnRecordNoInput += noinputCallback;
try
{
Task <LL_RecordResult> taskLLRecord = mAPI.LL_RecordAsync(new LL_RecordParams()
{
NodeID = mNodeID,
CallID = mID,
ControlID = controlID,
Record = record,
});
// The use of await rethrows exceptions from the task
LL_RecordResult resultLLRecord = await taskLLRecord;
if (resultLLRecord.Code == "200")
{
mLogger.LogDebug("Record {0} for call {1} waiting for completion events", controlID, ID);
resultRecord.Successful = await tcsCompletion.Task;
mLogger.LogDebug("Record {0} for call {1} {2}", controlID, ID, resultRecord.Successful ? "successful" : "unsuccessful");
}
}
catch (Exception exc)
{
mLogger.LogError(exc, "Record {0} for call {1} exception", controlID, ID);
}
// Unhook temporary callbacks
OnRecordFinished -= finishedCallback;
OnRecordNoInput -= noinputCallback;
return(resultRecord);
}
public RecordAction RecordAsync(CallRecord record)
{
RecordAction action = new RecordAction
{
Call = this,
ControlID = Guid.NewGuid().ToString(),
Payload = record,
};
Task.Run(async() =>
{
RecordStateChangeCallback recordStateChangeCallback = (a, c, e, p) => action.State = p.State;
OnRecordStateChange += recordStateChangeCallback;
action.Result = await InternalRecordAsync(action.ControlID, record);
action.Completed = true;
OnRecordStateChange -= recordStateChangeCallback;
});
return(action);
}
public async Task <RecordAction> RecordAsync(CallRecord record)
{
// Create the action first so it can hook events and not potentially miss anything
RecordAction action = new RecordAction(this, Guid.NewGuid().ToString(), record);
Task <CallRecordResult> taskCallRecordResult = mAPI.LL_CallRecordAsync(new CallRecordParams()
{
NodeID = mNodeID,
CallID = mCallID,
ControlID = action.ControlID,
Record = record
});
// The use of await ensures that exceptions are rethrown, or OperationCancelledException is thrown
CallRecordResult callRecordResult = await taskCallRecordResult;
// If there was an internal error of any kind then throw an exception
mAPI.ThrowIfError(callRecordResult.Code, callRecordResult.Message);
return(action);
}
public RecordResult Record(CallRecord record)
{
return(InternalRecordAsync(Guid.NewGuid().ToString(), record).Result);
}
public RecordAction Record(CallRecord record)
{
return(RecordAsync(record).Result);
}
