/// <summary>
/// 接收消息包
/// </summary>
/// <param name="stream"></param>
private MessageBag ReceiveMessageBag(NetworkStream stream)
{
MessageBag bag = null;
try
{
byte[] buffer = Utility.Stream.ReadStream(stream, MessageHead.HeadLength);
MessageHead head = MessageHead.Parse(buffer);
if (head.BodyLength > 0)
{
byte[] bytesBody = Utility.Stream.ReadStream(stream, head.BodyLength);
bag = new MessageBag(head, bytesBody);
}
else
{
bag = new MessageBag(head);
}
}
catch (Exception ex)
{
ExceptionRecord.Record(ex.Message + ex.Source + ex.TargetSite + ex.StackTrace);
throw;
}
return(bag);
}
/// <summary>
/// 接收客户端的消息包
/// </summary>
/// <param name="stream"></param>
private MessageBag ReceiveClientMessage(NetworkStream stream)
{
LogService.WriteServerRunLog(LogLevel.Info, "接收来自" + _publisherIP + "的不同类型的消息包");
byte[] buffer = Utility.Stream.ReadStream(stream, MessageHead.HeadLength);
MessageHead head = MessageHead.Parse(buffer);
if (head.BodyLength > 0)
{
byte[] bytesBody = Utility.Stream.ReadStream(stream, head.BodyLength);
MessageType type = (MessageType)head.Type;
switch (type)
{
case MessageType.User:
if (head.State == 1)
{
return(new FirstMessageBag(bytesBody));
}
else
{
//2用户退出时 | //3由CGI发送的UserID
return(new MessageBag(head, bytesBody));
}
case MessageType.File:
//文件是独体，没有其它状态
return(new FileMessageBag(bytesBody));
default:
return(new MessageBag(head, bytesBody));
}
}
return(new MessageBag(head));
}
/// <summary>
/// 接收服务器端返回的消息包
/// </summary>
public MessageBag ReceiveMessage()
{
byte[] buffer = Utility.Stream.ReadStream(_stream, MessageHead.HeadLength);
if (buffer.Length == 0)
{
return(null);
}
MessageHead head = MessageHead.Parse(buffer);
if (head.BodyLength > 0)
{
byte[] bytesBody = Utility.Stream.ReadStream(_stream, head.BodyLength);
return(new MessageBag(head, bytesBody));
}
return(new MessageBag(head));
}