public void Register(RpcServerContext ctx)
{
//
// 已经连接过的就返回失败
if (ctx.Connection.Contexts["session"] != null)
{
ctx.ReturnError(RpcErrorCode.ConnectionBroken, null);
return;
}
var args = ctx.GetArgs <DuplexDemoRegisterArgs>();
if (args.UserName == "foo" && args.Passwd == "bar")
{
//
// 注册成功， 建立session对象
var session = new DuplexDemoSession()
{
Id = Guid.NewGuid().ToString(),
LastTime = DateTime.Now,
Connection = ctx.Connection,
};
ctx.Connection.Contexts["session"] = session;
lock (_syncRoot) {
_agents.Add(ctx.From, session);
}
ctx.Return();
}
else
{
ctx.ReturnError(RpcErrorCode.ConnectionFailed, new Exception("UserNotFound"));
}
}
public void SendCommand(string from, string command)
{
lock (_syncRoot) {
DuplexDemoSession session = _agents[from];
RpcClientProxy proxy = session.Connection.GetCallbackProxy <IDuplexDemoCallbackService>();
proxy.Invoke <string, string>("CallCommand", command);
}
}
public void KeepAlive(RpcServerContext ctx)
{
int seconds = ctx.GetArgs <int>();
DuplexDemoSession session = (DuplexDemoSession)ctx.Connection.Contexts["session"];
session.LastTime = DateTime.Now.AddSeconds(seconds);
ctx.Return(0); // 没意义
}