/// <summary>
/// 接收请求处理
/// </summary>
/// <param name="transmit">传输对象</param>
private async void ReceiveRequestHandler(Transmit transmit)
{
switch (transmit.Parameter)
{
case "Client;AddSocket":
SocketResult socketResult = await socketManager.CreateConnectionAsync();
if (socketResult != null)
{
switch (socketResult.State)
{
case ConnectionState.Success:
Task task = Task.Run(() => SecondaryReceiver(socketResult.Socket));
break;
case ConnectionState.Failed:
break;
case ConnectionState.Timeout:
break;
case ConnectionState.Error:
break;
}
}
break;
case "Client;RequestResult":
RequestResult requestResult = transmit.Object as RequestResult;
if (requestResult != null)
{
ClientRequestResult?.Invoke(this, new RequestResultEventArgs(requestResult));
}
break;
}
}
/// <summary>
/// 异步的发送文件。如果发送成功返回true，否则返回false
/// </summary>
/// <param name="targetUserID">目标ID</param>
/// <param name="filePath">文件路径</param>
public async Task <bool> SendFileAsync(string targetUserID, string filePath)
{
if (ClientState && targetUserID != null && filePath != null)
{
return(await Task.Run <bool>(async() =>
{
FileStream fileStream = null; //文件流
byte[] dataBuffer = new byte[1024 * 1024]; //数据缓冲区
try
{
fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
if (fileStream.Length == 0)
{
return false;
}
byte[] buffer = BytesConvert.ObjectToBytes(new Transmit()
{
SourceID = ClientID,
TargetID = targetUserID,
DataType = DataType.File,
Parameter = $"{Path.GetFileName(filePath)};{fileStream.Length}"
});
SocketResult socketResult = await socketManager.CreateConnectionAsync();
switch (socketResult.State)
{
case ConnectionState.Success:
socketResult.Socket.Send(buffer, buffer.Length, SocketFlags.None);
break;
case ConnectionState.Failed:
throw new ArgumentException("服务器拒绝连接");
case ConnectionState.Timeout:
throw new ArgumentException("服务器连接超时");
case ConnectionState.Error:
throw socketResult.Exception;
}
Thread.Sleep(5000);
while (true)
{
int readBytes = fileStream.Read(dataBuffer, 0, dataBuffer.Length);
if (readBytes <= 0)
{
break;
}
socketResult.Socket.Send(dataBuffer, readBytes, SocketFlags.None);
Thread.Sleep(10);
}
}
catch (Exception exception)
{
ClientError?.Invoke(this, new ClientErrorEventArgs(exception, "在发送文件时发生错误"));
return false;
}
finally
{
fileStream?.Close();
fileStream?.Dispose();
fileStream = null;
}
return true;
}));
}
return(false);
}
