internal void TryLink(string terminalPhoneNo, IJT808Session session)
{
DateTime curretDatetime = DateTime.Now;
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out IJT808Session cacheSession))
{
if (session.SessionID != cacheSession.SessionID)
{
//从转发到直连的数据需要更新缓存
session.ActiveTime = curretDatetime;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, session, cacheSession);
//会话通知
JT808SessionProducer?.ProduceAsync(JT808GatewayConstants.SessionOnline, terminalPhoneNo);
}
else
{
cacheSession.ActiveTime = curretDatetime;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, cacheSession, cacheSession);
}
}
else
{
session.TerminalPhoneNo = terminalPhoneNo;
if (TerminalPhoneNoSessions.TryAdd(terminalPhoneNo, session))
{
//会话通知
JT808SessionProducer?.ProduceAsync(JT808GatewayConstants.SessionOnline, terminalPhoneNo);
}
}
}
public void RemoveByTerminalPhoneNo(string terminalPhoneNo)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out var removeTerminalPhoneNoSessions))
{
// 处理转发过来的是数据 这时候通道对设备是1对多关系,需要清理垃圾数据
//1.用当前会话的通道Id找出通过转发过来的其他设备的终端号
var terminalPhoneNos = TerminalPhoneNoSessions.Where(w => w.Value.SessionID == removeTerminalPhoneNoSessions.SessionID).Select(s => s.Key).ToList();
//2.存在则一个个移除
string tmpTerminalPhoneNo = terminalPhoneNo;
if (terminalPhoneNos.Count > 0)
{
//3.移除包括当前的设备号
foreach (var item in terminalPhoneNos)
{
TerminalPhoneNoSessions.TryRemove(item, out _);
}
tmpTerminalPhoneNo = string.Join(",", terminalPhoneNos);
}
if (Sessions.TryRemove(removeTerminalPhoneNoSessions.SessionID, out var removeSession))
{
removeSession.Close();
if (logger.IsEnabled(LogLevel.Information))
{
logger.LogInformation($"[Session Remove]:{terminalPhoneNo}-{tmpTerminalPhoneNo}");
}
if (SessionProducer != null)
{
SessionProducer.ProduceAsync(JT808GatewayConstants.SessionOffline, tmpTerminalPhoneNo);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="terminalPhoneNo"></param>
/// <param name="socket"></param>
/// <param name="remoteEndPoint"></param>
/// <returns></returns>
public IJT808Session TryLink(string terminalPhoneNo, Socket socket, EndPoint remoteEndPoint)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out IJT808Session currentSession))
{
currentSession.ActiveTime = DateTime.Now;
currentSession.TerminalPhoneNo = terminalPhoneNo;
currentSession.RemoteEndPoint = remoteEndPoint;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, currentSession, currentSession);
}
else
{
JT808UdpSession session = new JT808UdpSession(socket, remoteEndPoint);
session.TerminalPhoneNo = terminalPhoneNo;
Sessions.TryAdd(session.SessionID, session);
TerminalPhoneNoSessions.TryAdd(terminalPhoneNo, session);
currentSession = session;
}
//会话通知
//使用场景：
//部标的超长待机设备,不会像正常的设备一样一直连着，可能10几分钟连上了，然后发完就关闭连接，
//这时候想下发数据需要知道设备什么时候上线，在这边做通知最好不过了。
//有设备关联上来可以进行通知 例如：使用Redis发布订阅
if (SessionProducer != null)
{
SessionProducer.ProduceAsync(JT808GatewayConstants.SessionOnline, terminalPhoneNo);
}
return(currentSession);
}
public string TryLink(string terminalPhoneNo, Socket socket, EndPoint remoteEndPoint)
{
string sessionId = string.Empty;
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out sessionId))
{
if (Sessions.TryGetValue(sessionId, out IJT808Session sessionInfo))
{
sessionInfo.ActiveTime = DateTime.Now;
sessionInfo.TerminalPhoneNo = terminalPhoneNo;
sessionInfo.RemoteEndPoint = remoteEndPoint;
Sessions.TryUpdate(sessionId, sessionInfo, sessionInfo);
}
}
else
{
JT808UdpSession session = new JT808UdpSession(socket, remoteEndPoint);
Sessions.TryAdd(session.SessionID, session);
TerminalPhoneNoSessions.TryAdd(terminalPhoneNo, session.SessionID);
sessionId = session.SessionID;
}
//会话通知
//使用场景：
//部标的超长待机设备,不会像正常的设备一样一直连着，可能10几分钟连上了，然后发完就关闭连接，
//这时候想下发数据需要知道设备什么时候上线，在这边做通知最好不过了。
//有设备关联上来可以进行通知 例如：使用Redis发布订阅
JT808SessionProducer?.ProduceAsync(JT808GatewayConstants.SessionOnline, terminalPhoneNo);
return(sessionId);
}
public bool TrySendByTerminalPhoneNo(string terminalPhoneNo, byte[] data)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out var sessionid))
{
if (Sessions.TryGetValue(sessionid, out var session))
{
if (session.TransportProtocolType == JT808TransportProtocolType.tcp)
{
session.Client.Send(data, SocketFlags.None);
}
else
{
session.Client.SendTo(data, SocketFlags.None, session.RemoteEndPoint);
}
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
internal void TryLink(string terminalPhoneNo, IJT1078Session session)
{
DateTime curretDatetime = DateTime.Now;
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out IJT1078Session cacheSession))
{
if (session.SessionID != cacheSession.SessionID)
{
//从转发到直连的数据需要更新缓存
session.ActiveTime = curretDatetime;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, session, cacheSession);
//会话通知
SessionNoticeService.SessionNoticeBlockingCollection.Add((JT1078GatewayConstants.SessionOnline, terminalPhoneNo, session.TransportProtocolType.ToString()));
}
else
{
cacheSession.ActiveTime = curretDatetime;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, cacheSession, cacheSession);
}
}
else
{
session.TerminalPhoneNo = terminalPhoneNo;
if (TerminalPhoneNoSessions.TryAdd(terminalPhoneNo, session))
{
//会话通知
SessionNoticeService.SessionNoticeBlockingCollection.Add((JT1078GatewayConstants.SessionOnline, terminalPhoneNo, session.TransportProtocolType.ToString()));
}
}
}
public void RemoveByTerminalPhoneNo(string terminalPhoneNo)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out var removeTerminalPhoneNoSessions))
{
// 处理转发过来的是数据 这时候通道对设备是1对多关系,需要清理垃圾数据
//1.用当前会话的通道Id找出通过转发过来的其他设备的终端号
var terminalPhoneNos = TerminalPhoneNoSessions.Where(w => w.Value.SessionID == removeTerminalPhoneNoSessions.SessionID).Select(s => s.Key).ToList();
//2.存在则一个个移除
string tmpTerminalPhoneNo = terminalPhoneNo;
if (terminalPhoneNos.Count > 0)
{
//3.移除包括当前的设备号
foreach (var item in terminalPhoneNos)
{
TerminalPhoneNoSessions.TryRemove(item, out _);
}
tmpTerminalPhoneNo = string.Join(",", terminalPhoneNos);
}
if (Sessions.TryRemove(removeTerminalPhoneNoSessions.SessionID, out var removeSession))
{
removeSession.Close();
if (logger.IsEnabled(LogLevel.Information))
{
logger.LogInformation($"[Session Remove]:{terminalPhoneNo}-{tmpTerminalPhoneNo}");
}
//会话通知
SessionNoticeService.SessionNoticeBlockingCollection.Add((JT1078GatewayConstants.SessionOffline, terminalPhoneNo, removeTerminalPhoneNoSessions.TransportProtocolType.ToString()));
}
}
}
public async ValueTask <bool> TrySendByTerminalPhoneNoAsync(string terminalPhoneNo, byte[] data)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out var session))
{
if (session.TransportProtocolType == JT808TransportProtocolType.tcp)
{
await session.Client.SendAsync(data, SocketFlags.None);
}
else
{
await session.Client.SendToAsync(data, SocketFlags.None, session.RemoteEndPoint);
}
return(true);
}
else
{
return(false);
}
}
public IJT1078Session TryLink(string terminalPhoneNo, Socket socket, EndPoint remoteEndPoint)
{
if (TerminalPhoneNoSessions.TryGetValue(terminalPhoneNo, out IJT1078Session currentSession))
{
currentSession.ActiveTime = DateTime.Now;
currentSession.TerminalPhoneNo = terminalPhoneNo;
currentSession.RemoteEndPoint = remoteEndPoint;
TerminalPhoneNoSessions.TryUpdate(terminalPhoneNo, currentSession, currentSession);
}
else
{
JT1078UdpSession session = new JT1078UdpSession(socket);
session.TerminalPhoneNo = terminalPhoneNo;
session.RemoteEndPoint = remoteEndPoint;
Sessions.TryAdd(session.SessionID, session);
TerminalPhoneNoSessions.TryAdd(terminalPhoneNo, session);
currentSession = session;
}
//会话通知
SessionNoticeService.SessionNoticeBlockingCollection.Add((JT1078GatewayConstants.SessionOnline, terminalPhoneNo, currentSession.TransportProtocolType.ToString()));
return(currentSession);
}