IEnumerator CheckReadTaskResult(TaskReadStream task, TextMesh textMesh)
{
while (TaskState.Pending == task.currentState)
{
if (null != textMesh)
{
textMesh.text = string.Format("Class: {0}\nPending...",
task.GetType().ToString());
textMesh.color = Color.white;
}
yield return(null);
}
while (TaskState.Running == task.currentState)
{
if (null != textMesh)
{
textMesh.text = string.Format("Class: {0}\nProgress: {1}% ({2}/{3})",
task.GetType().ToString(),
task.result.readLength * 100f / task.runningTaskParam.length,
task.result.readLength,
task.runningTaskParam.length);
textMesh.color = Color.green;
}
yield return(null);
}
if (null != textMesh)
{
if (null != task.result.exception)
{
textMesh.text = string.Format("Class: {0}\nException: {1}",
task.GetType().ToString(), task.result.exception.Message);
textMesh.color = Color.red;
}
else
{
if (task.result.readLength == task.runningTaskParam.length)
{
textMesh.text = string.Format("Class: {0}\nRead: Ok\nLength: {1}\nContent:\n{2}",
task.GetType().ToString(),
task.result.readLength,
Encoding.UTF8.GetString(task.runningTaskParam.buffer, task.runningTaskParam.bufferOffset, task.result.readLength));
textMesh.color = Color.blue;
}
else
{
textMesh.text = string.Format("Class: {0}\nProgress: {1}% ({2}/{3})\nRead: Failed",
task.GetType().ToString(),
task.result.readLength * 100f / task.runningTaskParam.length,
task.result.readLength,
task.runningTaskParam.length);
textMesh.color = Color.red;
}
}
}
task.runningTaskParam.stream.Close();
}
public bool EndRead()
{
if (null == readTask)
{
return(false);
}
if (!readTask.Operate(TaskOperation.End))
{
return(false);
}
readTask = null;
return(true);
}
public bool StartRead()
{
if (null == driver)
{
return(false);
}
if (string.IsNullOrEmpty(filePath))
{
return(false);
}
FileStream stream = null;
try
{
stream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
if (!stream.CanRead)
{
stream.Close();
return(false);
}
}
catch (IOException)
{
if (null != stream)
{
stream.Close();
}
return(false);
}
if (0 >= stream.Length)
{
stream.Close();
return(false);
}
EndRead();
readTask = CreateTask();
readTask.taskParam = new TaskReadStream.Param();
readTask.taskParam.stream = stream;
readTask.taskParam.buffer = new byte[stream.Length];
readTask.taskParam.length = (int)stream.Length;
if (!readTask.Operate(TaskOperation.Start))
{
stream.Close();
return(false);
}
StartCoroutine(CheckReadTaskResult(readTask, textMesh));
return(true);
}
