/// <summary>
/// 连接已关闭
/// </summary>
/// <param name="session"></param>
/// <param name="args"></param>
/// <returns></returns>
#pragma warning disable IDE0060 // 删除未使用的参数
public static async ValueTask OnClosed(IAppSession session, CloseEventArgs args)
#pragma warning restore IDE0060 // 删除未使用的参数
{
Forward.Remove(session.RemoteEndPoint);
AuthenticateHandler.Remove(session.SessionID);
await Task.CompletedTask;
}
/// <summary>
/// 处理消息包
/// </summary>
/// <param name="session">会话</param>
/// <param name="packageInfo">消息包</param>
/// <returns></returns>
public static async ValueTask Handler(IAppSession session, IJTTPackageInfo packageInfo)
{
try
{
if (!packageInfo.Success)
{
if (packageInfo.Step > DecoderStep.AnalysisBuffer)
{
Forward.Add(session.SessionID,
session.RemoteEndPoint,
packageInfo.HeadFlag.ToArray()
.Concat(packageInfo.Buffer.ToArray())
.Concat(packageInfo.Crc_Code.ToArray())
.Concat(packageInfo.EndFlag.ToArray())
.ToArray());
}
throw packageInfo.Exception;
}
var packageInfo_JTT809 = packageInfo as JTT809PackageInfo;
switch (packageInfo_JTT809.JTT809MessageHeader.Msg_ID)
{
case MsgID.LoginRequest:
var body_LoginRequest = packageInfo_JTT809.MessageBody as LoginRequestBody;
Logger.Log(
NLog.LogLevel.Trace,
LogType.系统跟踪,
$"LoginRequest, " +
$"\r\n\tUserID: {body_LoginRequest.UserID}, " +
$"\r\n\tPassword: {body_LoginRequest.Password}, " +
$"\r\n\tMsg_GnsscenterID: {body_LoginRequest.Msg_GnsscenterID}, " +
$"\r\n\tDown_link_IP: {body_LoginRequest.Down_link_IP}, " +
$"\r\n\tDown_link_Port: {body_LoginRequest.Down_link_Port}.");
await AuthenticateHandler.Authenticate(session, body_LoginRequest);
break;
case MsgID.GetForwardEndpointRequest:
var body_GetForwardEndpointRequest = packageInfo_JTT809.MessageBody as GetForwardEndpointRequestBody;
Logger.Log(
NLog.LogLevel.Trace,
LogType.系统跟踪,
$"GetForwardEndpointRequest.");
await Forward.GetClientList(session);
break;
case MsgID.ForwardRequest:
var body_ForwardRequest = packageInfo_JTT809.MessageBody as ForwardRequestBody;
Logger.Log(
NLog.LogLevel.Trace,
LogType.系统跟踪,
$"ForwardRequest, " +
$"\r\n\tTarget_IP: {body_ForwardRequest.Target_IP}, " +
$"\r\n\tTarget_Port: {body_ForwardRequest.Target_Port}.");
await Forward.Add(session, body_ForwardRequest.Target_IP, body_ForwardRequest.Target_Port);
break;
case MsgID.CancelForwardRequest:
var body_CancelForwardRequest = packageInfo_JTT809.MessageBody as CancelForwardRequestBody;
Logger.Log(
NLog.LogLevel.Trace,
LogType.系统跟踪,
$"CancelForwardRequest.");
await Forward.Remove(session);
break;
default:
Logger.Log(
NLog.LogLevel.Trace,
LogType.系统跟踪,
$"\r\n\tMsg_ID: {Protocol.JTT809Handler.Decode(Protocol.JTT809Handler.Encode(packageInfo_JTT809.JTT809MessageHeader.Msg_ID, new CodeInfo { CodeType = CodeType.uint16_hex }), new CodeInfo { CodeType = CodeType.string_hex })}");
Forward.Add(
session.SessionID,
session.RemoteEndPoint,
packageInfo.HeadFlag.ToArray()
.Concat(packageInfo.Buffer.ToArray())
.Concat(packageInfo.Crc_Code.ToArray())
.Concat(packageInfo.EndFlag.ToArray())
.ToArray());
break;
}
}
catch (Exception ex)
{
Logger.Log(
NLog.LogLevel.Error,
LogType.系统异常,
$"处理消息包时异常, " +
$"\r\n\tSessionID: {session.SessionID}, " +
$"\r\n\tBuffer: {string.Join('\t', packageInfo.Buffer.ToArray().Select(o => o.To0XString()))}.",
null,
ex);
}
}