protected override void ChannelRead0(IChannelHandlerContext ctx, byte[] msg)
{
try
{
jT808SourcePackageDispatcher?.SendAsync(msg);
//解析到头部,然后根据具体的消息Id通过队列去进行消费
//要是一定要解析到数据体可以在JT808MsgIdHandlerBase类中根据具体的消息，
//解析具体的消息体，具体调用JT808Serializer.Deserialize<T>
JT808HeaderPackage jT808HeaderPackage = JT808Serializer.Deserialize <JT808HeaderPackage>(msg);
jT808AtomicCounterService.MsgSuccessIncrement();
jT808TcpTrafficService.ReceiveSize(msg.Length);
if (logger.IsEnabled(LogLevel.Debug))
{
logger.LogDebug("accept package success count<<<" + jT808AtomicCounterService.MsgSuccessCount.ToString());
}
jT808SessionManager.TryAdd(jT808HeaderPackage.Header.TerminalPhoneNo, ctx.Channel);
Func <JT808Request, JT808Response> handlerFunc;
if (handler.HandlerDict.TryGetValue(jT808HeaderPackage.Header.MsgId, out handlerFunc))
{
JT808Response jT808Response = handlerFunc(new JT808Request(jT808HeaderPackage, msg));
if (jT808Response != null)
{
if (!jT808TransmitAddressFilterService.ContainsKey(ctx.Channel.RemoteAddress))
{
var sendData = JT808Serializer.Serialize(jT808Response.Package, jT808Response.MinBufferSize);
jT808TcpTrafficService.SendSize(sendData.Length);
ctx.WriteAndFlushAsync(Unpooled.WrappedBuffer(sendData));
}
}
}
}
catch (JT808.Protocol.Exceptions.JT808Exception ex)
{
jT808AtomicCounterService.MsgFailIncrement();
if (logger.IsEnabled(LogLevel.Error))
{
logger.LogError("accept package fail count<<<" + jT808AtomicCounterService.MsgFailCount.ToString());
logger.LogError(ex, "accept msg<<<" + ByteBufferUtil.HexDump(msg));
}
}
catch (Exception ex)
{
jT808AtomicCounterService.MsgFailIncrement();
if (logger.IsEnabled(LogLevel.Error))
{
logger.LogError("accept package fail count<<<" + jT808AtomicCounterService.MsgFailCount.ToString());
logger.LogError(ex, "accept msg<<<" + ByteBufferUtil.HexDump(msg));
}
}
}
public JT808ResultDto <bool> Send(string terminalPhoneNo, byte[] data)
{
JT808ResultDto <bool> resultDto = new JT808ResultDto <bool>();
try
{
var session = jT808SessionManager.GetSession(terminalPhoneNo);
if (session != null)
{
//判断转发数据是下发不了消息的
if (jT808SessionManager.GetAll().Count(c => c.Channel.Id == session.Channel.Id) > 1)
{
resultDto.Code = JT808ResultCode.Ok;
resultDto.Data = false;
resultDto.Message = "not support transmit data send.";
}
else
{
jT808TcpTrafficService.SendSize(data.Length);
session.Channel.WriteAndFlushAsync(Unpooled.WrappedBuffer(data));
resultDto.Code = JT808ResultCode.Ok;
resultDto.Data = true;
}
}
else
{
resultDto.Code = JT808ResultCode.Ok;
resultDto.Data = false;
resultDto.Message = "offline";
}
}
catch (Exception ex)
{
resultDto.Data = false;
resultDto.Code = JT808ResultCode.Error;
resultDto.Message = Newtonsoft.Json.JsonConvert.SerializeObject(ex);
}
return(resultDto);
}