public async void ConnectReciever(BTReaderWriter btRW)
{
try
{
await btRW.ConnectBTService();
ReceiveStringLoop(btRW);
}
catch (NullReferenceException ex)
{
Debug.WriteLine(ex.Message + " : BTサービス探索をリトライします。");
ConnectReciever(btRW);
}
catch (InvalidOperationException ex)
{
Debug.WriteLine(ex.Message + ":" + ex.InnerException.Message);
ConnectReciever(btRW);
}
catch (Exception ex)
{
Debug.WriteLine("不明なエラー: " + ex.Message + ":" + ex.InnerException?.Message);
ConnectReciever(btRW);
}
}
private async void ReceiveStringLoop(BTReaderWriter btRW)
{
var chatReader = btRW.BTReader;
Debug.WriteLine("/////entering recieve string roop/////");
try
{
uint size = await chatReader.LoadAsync(sizeof(uint));
Debug.WriteLine("size check in ReceiveStringLoop");
if (size < sizeof(uint))
{
//Disconnect();
//return;
ReceiveStringLoop(btRW);
}
Debug.WriteLine("ReadUInt32 in ReceiveStringLoop");
uint stringLength = chatReader.ReadUInt32();
Debug.WriteLine("LoadAsync in ReceiveStringLoop");
uint actualStringLength = await chatReader.LoadAsync(stringLength);
if (actualStringLength != stringLength)
{
// The underlying socket was closed before we were able to read the whole data
throw new InvalidOperationException("The underlying socket was closed before we were able to read the whole data");
}
//ConversationList.Items.Add("Received: " + chatReader.ReadString(stringLength));
//TODO: 受信した文字列のハンドル
String resultString = chatReader.ReadString(stringLength);
OnMessageRecieved(new BTMessageRecievedEventArgs(resultString));
Debug.WriteLine(resultString);
ReceiveStringLoop(btRW);
}
catch (ObjectDisposedException ex)
{
Debug.WriteLine("BT接続がDisposeされています。再接続を試みます。: " + ex.Message);
//disposedReaderWriters.Add(btReaderWriter);
await btRW.ConnectBTService();
ReceiveStringLoop(btRW);
}
catch (Exception ex)
{
lock (this)
{
if (btRW.BTStreamSocket == null)
{
// Do not print anything here - the user closed the socket.
if ((uint)ex.HResult == 0x80072745)
{
//rootPage.NotifyUser("Disconnect triggered by remote device", NotifyType.StatusMessage);
}
else if ((uint)ex.HResult == 0x800703E3)
{
//rootPage.NotifyUser("The I/O operation has been aborted because of either a thread exit or an application request.", NotifyType.StatusMessage);
}
}
else
{
btRW.Disconnect();
Debug.WriteLine("サーバーとの接続が切断されました。: " + ex.Message + ":::" + ex.HResult);
//throw new Exception("サーバーとの接続が解除されました。", ex);
}
}
}
}