public static HttpTransfer FromNative(this NSUrlSessionTask task)
{
var upload = task is NSUrlSessionUploadTask;
Exception exception = null;
if (task.Error != null && task.State != NSUrlSessionTaskState.Canceling)
{
exception = new Exception(task.Error.LocalizedDescription);
}
var taskId = TaskIdentifier.FromString(task.TaskDescription);
return(new HttpTransfer(
taskId.Value,
task.OriginalRequest.Url.ToString(),
taskId.File.FullName,
upload,
task.OriginalRequest.AllowsCellularAccess,
exception,
upload
? task.BytesExpectedToSend
: task.BytesExpectedToReceive,
upload
? task.BytesSent
: task.BytesReceived,
task.GetTransferStatus()
));
}
public static HttpTransfer FromNative(this NSUrlSessionTask task)
{
var status = HttpTransferState.Unknown;
var upload = task is NSUrlSessionUploadTask;
Exception?exception = null;
switch (task.State)
{
case NSUrlSessionTaskState.Canceling:
status = HttpTransferState.Canceled;
break;
case NSUrlSessionTaskState.Completed:
status = task.Error?.Code == -999
? HttpTransferState.Canceled
: HttpTransferState.Completed;
break;
case NSUrlSessionTaskState.Suspended:
status = HttpTransferState.Paused;
break;
case NSUrlSessionTaskState.Running:
var bytes = task.BytesSent + task.BytesReceived;
status = bytes == 0 ? HttpTransferState.Pending : HttpTransferState.InProgress;
break;
default:
status = HttpTransferState.Error;
if (task.Error == null)
{
exception = new Exception("Unknown Error");
}
else
{
status = HttpTransferState.Error;
var e = task.Error;
var msg = $"{e.LocalizedDescription} - {e.LocalizedFailureReason}";
exception = new Exception(msg);
}
break;
}
var taskId = TaskIdentifier.FromString(task.TaskDescription);
return(new HttpTransfer(
taskId.Value,
task.OriginalRequest.Url.ToString(),
taskId.File.FullName,
upload,
task.OriginalRequest.AllowsCellularAccess,
exception,
upload
? task.BytesExpectedToSend
: task.BytesExpectedToReceive,
upload
? task.BytesSent
: task.BytesReceived,
status
));
}