我在 Delphi Tokyo 中设置回调服务器时遇到问题。我已经设置了一个 Datasnap WebBroker 服务器,然后我使用
FDSCallBackClientManager.RegisterCallback(sCallbackID,FDSCallBack);
在我的客户端上连接回调服务器,它可以连接,我可以向其他客户端发送广播消息,但是在连接几分钟后,它将断开连接,当我尝试广播消息时,它会引发异常,告知通信正在暂停。
我使用 HTTP 协议进行连接,使用 TCP/IP 协议时不会发生这种情况。该代码只是创建针对 Apache 的 webbroker 应用程序的向导。这里是 SQLConnection 的代码:
FConnection.Params.Values['CommunicationIPVersion'] := 'IP_IPv4';
FConnection.Params.Values['Hostname'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'Hostname',
'localhost'
);
FConnection.Params.Values['Port'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'WebPort',
'80'
);
FConnection.Params.Values['DatasnapContext'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'DatasnapContext',
'datasnap'
);
FConnection.Params.Values['URLPath'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'URLPath',
'rest'
);
FConnection.Params.Values['ConnectTimeout'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'ConnectTimeOut',
'1000'
);
FConnection.Params.Values['CommunicationTimeout'] :=
TCSClass_Configuration.ReadConfig(
ClientVariables.Config.FileName,
AProfile,
'CommunicationTimeOut',
'1000'
);
这里是连接回调服务器的代码:
FDSCallBackClientManager.ChannelName := FCallbackChannelName;
FDSCallBackClientManager.DSHostname :=
FConnection.Params.Values['Hostname'];
FDSCallBackClientManager.DSPort :=
FConnection.Params.Values['Port'];
FDSCallBackClientManager.DSPath :=
FConnection.Params.Values['URLPath'];
FDSCallBackClientManager.CommunicationProtocol :=
FConnection.Params.Values['CommunicationProtocol'];
FDSCallBackClientManager.ConnectionTimeout :=
FConnection.Params.Values['ConnectTimeout'];
FDSCallBackClientManager.CommunicationTimeout :=
FConnection.Params.Values['CommunicationTimeout'];
sManagerID := TDSTunnelSession.GenerateSessionId;
sCallbackID := TDSTunnelSession.GenerateSessionId;
FDSCallBackClientManager.ManagerId := sManagerID;
if FDSCallBack = nil then
begin
FDSCallBack := TCSClass_Callback.Create(
Self,
sManagerID,
sCallbackID
);
end;
FDSCallBackClientManager.RegisterCallback(sCallbackID,FDSCallBack);
那么谁能给我一些建议我错过了什么?