879 lines
17 KiB
C++
879 lines
17 KiB
C++
#include "TTime.h"
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#include "Net\Socket.h"
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#include "Message\BinaryPair.h"
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#include "TokenClient.h"
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#include "TokenMessage.h"
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#include "HelloMessage.h"
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#include "LoginMessage.h"
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#include "RegisterMessage.h"
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#include "TokenDataMessage.h"
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#include "ErrorMessage.h"
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#include "Security\RC4.h"
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static void BroadcastHelloTask(void* param);
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TokenClient::TokenClient()
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: Routes(String::Compare)
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{
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Token = 0;
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Opened = false;
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Status = 0;
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LoginTime = 0;
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LastSend = 0;
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LastActive = 0;
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Delay = 0;
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MaxNotActive = 0;
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Master = nullptr;
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Cfg = nullptr;
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Received = nullptr;
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Param = nullptr;
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NextReport = 0;
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ReportLength = 0;
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}
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void TokenClient::Open()
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{
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if(Opened) return;
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TS("TokenClient::Open");
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auto& cs = Controls;
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assert(cs.Count() > 0, "令牌客户端还没设置控制器呢");
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// 使用另一个强类型参数的委托，事件函数里面不再需要做类型
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Delegate2<TokenMessage&, TokenController&> dlg(&TokenClient::OnReceive, this);
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if(Master)
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{
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Master->Received = dlg;
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Master->Open();
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}
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for(int i=0; i<cs.Count(); i++)
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{
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auto ctrl = cs[i];
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ctrl->Received = dlg;
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ctrl->Open();
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}
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// 令牌客户端定时任务
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if(Master) _task = Sys.AddTask(&TokenClient::LoopTask, this, 1000, 5000, "令牌客户");
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// 令牌广播使用素数，避免跟别的任务重叠
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if(cs.Count() > 0) _taskBroadcast = Sys.AddTask(BroadcastHelloTask, this, 7000, 37000, "令牌广播");
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// 启动时记为为后一次活跃接收
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LastActive = Sys.Ms();
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Opened = true;
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}
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void TokenClient::Close()
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{
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if(!Opened) return;
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Sys.RemoveTask(_task);
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Sys.RemoveTask(_taskBroadcast);
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if(Master) Master->Close();
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auto& cs = Controls;
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for(int i=0; i<cs.Count(); i++)
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{
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auto ctrl = cs[i];
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ctrl->Close();
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}
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Opened = false;
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}
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bool TokenClient::Send(TokenMessage& msg, TokenController* ctrl)
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{
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// 未登录之前，只能 握手、登录、注册
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if(Token == 0)
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{
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if(msg.Code != 0x01 && msg.Code != 0x02 && msg.Code != 0x07) return false;
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}
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if(!ctrl) ctrl = Master;
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if(!ctrl) return false;
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assert(ctrl, "TokenClient::Send");
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// 最后发送仅统计主控制器
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if(ctrl == Master) LastSend = Sys.Ms();
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return ctrl->Send(msg);
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}
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bool TokenClient::Reply(TokenMessage& msg, TokenController* ctrl)
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{
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// 未登录之前，只能 握手、登录、注册
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if(ctrl->Token == 0)
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{
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if(msg.Code != 0x01 && msg.Code != 0x02 && msg.Code != 0x07) return false;
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}
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if(!ctrl) ctrl = Master;
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if(!ctrl) return false;
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assert(ctrl, "TokenClient::Reply");
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if(ctrl == Master) LastSend = Sys.Ms();
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return ctrl->Reply(msg);
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}
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void TokenClient::OnReceive(TokenMessage& msg, TokenController& ctrl)
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{
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TS("TokenClient::OnReceive");
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LastActive = Sys.Ms();
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switch(msg.Code)
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{
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case 0x01:
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if(msg.Reply)
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OnHello(msg, &ctrl);
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else
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OnLocalHello(msg, &ctrl);
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break;
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case 0x02:
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if(msg.Reply)
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OnLogin(msg, &ctrl);
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else
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OnLocalLogin(msg, &ctrl);
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break;
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case 0x03:
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OnPing(msg, &ctrl);
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break;
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case 0x07:
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OnRegister(msg, &ctrl);
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break;
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case 0x08:
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OnInvoke(msg, &ctrl);
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break;
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}
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// todo 握手登录心跳消息不需要转发
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if(msg.Code < 0x03) return;
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// 消息转发
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if (Received)
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{
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Received(&ctrl, msg, Param);
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}
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else
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{
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switch (msg.Code)
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{
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case 0x05: OnRead(msg, &ctrl); break;
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case 0x06: OnWrite(msg, &ctrl); break;
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default:
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break;
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}
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}
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}
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// 常用系统级消息
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// 定时任务
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void TokenClient::LoopTask()
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{
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TS("TokenClient::LoopTask");
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CheckReport();
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// 状态。0准备、1握手完成、2登录后
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switch(Status)
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{
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case 0:
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SayHello(false);
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break;
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case 1:
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{
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if(!Cfg->User())
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Register();
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else
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Login();
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break;
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}
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case 2:
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Ping();
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break;
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}
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// 最大不活跃时间ms，超过该时间时重启系统
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// WiFi触摸开关建议5~10分钟，网关建议5分钟
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// MaxNotActive 为零便不考虑重启
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if(MaxNotActive != 0 && LastActive + MaxNotActive < Sys.Ms()) Sys.Reset();
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}
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void BroadcastHelloTask(void* param)
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{
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TS("TokenClient::BroadcastHello");
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auto client = (TokenClient*)param;
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client->SayHello(true);
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}
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// 发送发现消息，告诉大家我在这
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// 请求：2版本 + S类型 + S名称 + 8本地时间 + 6本地IP端口 + S支持加密算法列表
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// 响应：2版本 + S类型 + S名称 + 8本地时间 + 6对方IP端口 + 1加密算法 + N密钥
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// 错误：0xFE + 1协议 + S服务器 + 2端口
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void TokenClient::SayHello(bool broadcast)
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{
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TS("TokenClient::SayHello");
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TokenMessage msg(0x01);
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HelloMessage ext;
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ext.Reply = false;
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ext.LocalTime = DateTime::Now().TotalMs();
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auto& cs = Controls;
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// 取第二通道为本地通道
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if(cs.Count() > 0)
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{
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auto ctrl = cs[0];
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auto sock = ctrl->Socket;
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ext.EndPoint.Address = sock->Host->IP;
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ext.EndPoint.Port = sock->Local.Port;
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ext.Protocol = sock->Protocol ==NetType::Udp ? 17 : 6;
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}
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ext.Cipher = "RC4";
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ext.Name = Cfg->User();
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// 未注册时采用系统名称
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if(!ext.Name)
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{
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ext.Name = Sys.Name;
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ext.Key = Buffer(Sys.ID, 16);
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}
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ext.WriteMessage(msg);
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ext.Show(true);
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// 特殊处理广播，指定广播地址，避免因为内网发现改变了本地端口
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if(broadcast)
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{
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msg.OneWay = true;
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//msg.State = &ctrl->Socket->Remote;
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for(int i=0; i<cs.Count(); i++)
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{
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auto ctrl = cs[i];
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msg.State = &ctrl->Socket->Remote;
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Send(msg, ctrl);
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}
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}
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else
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Send(msg);
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}
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// 握手响应
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bool TokenClient::OnHello(TokenMessage& msg, TokenController* ctrl)
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{
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if(!msg.Reply) return false;
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// 解析数据
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HelloMessage ext;
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ext.Reply = msg.Reply;
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ext.ReadMessage(msg);
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ext.Show(true);
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// 如果收到响应，并且来自来源服务器
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if(msg.Error)
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{
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if(OnRedirect(ext)) return false;
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TS("TokenClient::OnHello_Error");
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Status = 0;
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Token = 0;
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// 未握手错误，马上重新握手
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if(ext.ErrCode == 0x7F) Sys.SetTask(_task, true, 0);
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}
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else
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{
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TS("TokenClient::OnHello_Reply");
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// 通讯密码
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if(ext.Key.Length() > 0)
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{
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if(ctrl) ctrl->Key.Copy(0, ext.Key, 0, ext.Key.Length());
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debug_printf("握手得到通信密码：");
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ext.Key.Show(true);
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}
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Status = 1;
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// 握手完成后马上注册或登录
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Sys.SetTask(_task, true, 0);
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// 同步本地时间
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if(ext.LocalTime > 0) ((TTime&)Time).SetTime(ext.LocalTime / 1000);
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}
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return true;
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}
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bool TokenClient::OnLocalHello(TokenMessage& msg, TokenController* ctrl)
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{
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if(msg.Reply) return false;
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// 解析数据
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HelloMessage ext;
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ext.Reply = msg.Reply;
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ext.ReadMessage(msg);
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ext.Show(true);
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TS("TokenClient::OnLocalHello");
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auto rs = msg.CreateReply();
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HelloMessage ext2;
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ext2.Reply = true;
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ext2.Key = ctrl->Key;
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auto& cs = Controls;
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// 取第二通道为本地通道
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if(cs.Count() >= 2)
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{
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auto& ctrl = *(TokenController*)cs[1];
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auto sock = ctrl.Socket;
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ext2.EndPoint.Address = sock->Host->IP;
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ext2.EndPoint.Port = sock->Local.Port;
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}
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ext2.Cipher = "RC4";
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ext2.Name = Cfg->User();
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// 未注册时采用系统名称
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if(!ext2.Name)
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{
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ext2.Name = Sys.Name;
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ext2.Key = Buffer(Sys.ID, 16);
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}
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// 使用当前时间
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ext2.LocalTime = DateTime::Now().TotalMs();
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ext2.WriteMessage(rs);
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Reply(rs, ctrl);
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return true;
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}
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bool TokenClient::OnRedirect(HelloMessage& msg)
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{
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TS("TokenClient::OnRedirect");
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if(!(msg.ErrCode == 0xFE || msg.ErrCode == 0xFD)) return false;
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auto cfg = Cfg;
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cfg->Protocol = msg.Uri.Type;
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cfg->Show();
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cfg->Server() = msg.Uri.Host;
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cfg->ServerPort = msg.Uri.Port;
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cfg->Token() = msg.VisitToken;
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ChangeIPEndPoint(msg.Uri);
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cfg->Show();
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// 0xFE永久改变厂商地址
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if(msg.ErrCode == 0xFE) cfg->Save();
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// 马上开始重新握手
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Status = 0;
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Sys.SetTask(_task, true, 0);
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return true;
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}
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bool TokenClient::ChangeIPEndPoint(const NetUri& uri)
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{
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TS("TokenClient::ChangeIPEndPoint");
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debug_printf("ChangeIPEndPoint ");
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uri.Show(true);
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auto ctrl = Master;
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auto socket = ctrl->Socket;
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if(socket == nullptr) return false;
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ctrl->Port->Close();
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socket->Remote.Port = uri.Port;
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socket->Server = uri.Host;
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Cfg->ServerIP = socket->Remote.Address.Value;
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return true;
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}
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// 注册
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void TokenClient::Register()
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{
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TS("TokenClient::Register");
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debug_printf("TokenClient::Register\r\n");
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RegisterMessage reg;
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reg.User = Buffer(Sys.ID, 16).ToHex();
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// 原始密码作为注册密码
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reg.Pass = Cfg->Pass();
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auto now = Sys.Ms();
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reg.Salt = Buffer(&now, 8);
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reg.Show(true);
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TokenMessage msg(7);
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reg.WriteMessage(msg);
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Send(msg);
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}
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void TokenClient::OnRegister(TokenMessage& msg, TokenController* ctrl)
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{
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if(!msg.Reply) return;
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TS("TokenClient::OnRegister");
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if(msg.Error)
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{
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ErrorMessage em;
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em.Read(msg);
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debug_printf("注册失败，错误码 0x%02X！", em.ErrorCode);
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em.ErrorContent.Show(true);
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return;
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}
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auto cfg = Cfg;
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RegisterMessage reg;
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reg.ReadMessage(msg);
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cfg->User() = reg.User;
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cfg->Pass() = reg.Pass;
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cfg->Show();
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cfg->Save();
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Status = 0;
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Sys.SetTask(_task, true, 0);
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}
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// 登录
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void TokenClient::Login()
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{
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TS("TokenClient::Login");
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LoginMessage login;
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auto cfg = Cfg;
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login.User = cfg->User();
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// 原始密码对盐值进行加密，得到登录密码
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auto now = Sys.Ms();
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auto arr = Buffer(&now, 8);
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login.Salt = arr;
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RC4::Encrypt(arr, cfg->Pass());
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login.Pass = arr.ToHex();
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TokenMessage msg(2);
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login.WriteMessage(msg);
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login.Show(true);
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Send(msg);
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}
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bool TokenClient::OnLogin(TokenMessage& msg, TokenController* ctrl)
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{
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if(!msg.Reply) return false;
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TS("TokenClient::OnLogin");
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Stream ms(msg.Data, msg.Length);
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if(msg.Error)
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{
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// 登录失败，清空令牌
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Token = 0;
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byte result = ms.ReadByte();
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// 任何错误，重新握手
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Status = 0;
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debug_printf("登录失败，错误码 0x%02X！", result);
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ms.ReadString().Show(true);
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// 未登录错误，马上重新登录
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if(result == 0x7F) Sys.SetTask(_task, true, 0);
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}
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else
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{
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Status = 2;
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debug_printf("登录成功！ ");
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LoginMessage logMsg;
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logMsg.ReadMessage(msg);
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Token = logMsg.Token;
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if(ctrl) ctrl->Token = Token;
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logMsg.Show(true);
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debug_printf("令牌：0x%08X ", Token);
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if (logMsg.Key.Length())
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{
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if(ctrl) ctrl->Key = logMsg.Key;
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debug_printf("通信密码：");
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logMsg.Key.Show();
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}
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debug_printf("\r\n");
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// 登录成功后加大心跳间隔
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Sys.SetTaskPeriod(_task, 60000);
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}
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return true;
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}
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bool TokenClient::OnLocalLogin(TokenMessage& msg, TokenController* ctrl)
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{
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if(msg.Reply) return false;
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TS("TokenClient::OnLocalLogin");
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auto rs = msg.CreateReply();
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LoginMessage login;
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// 这里需要随机密匙
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login.Key = ctrl->Key;
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// 随机令牌
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login.Token = Sys.Ms();
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login.Reply = true;
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login.WriteMessage(rs);
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Reply(rs, ctrl);
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ctrl->Token = login.Token;
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return true;
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}
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// Ping指令用于保持与对方的活动状态
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void TokenClient::Ping()
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{
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TS("TokenClient::Ping");
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if(LastActive > 0 && LastActive + 300000 < Sys.Ms())
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{
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// 30秒无法联系，服务端可能已经掉线，重启Hello任务
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debug_printf("180秒无法联系，服务端可能已经掉线，重新开始握手\r\n");
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Master->Key.SetLength(0);
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Status = 0;
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Sys.SetTaskPeriod(_task, 5000);
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return;
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}
|
||
|
||
// 30秒内发过数据，不再发送心跳
|
||
if(LastSend > 0 && LastSend + 60000 > Sys.Ms()) return;
|
||
|
||
TokenPingMessage pinMsg;
|
||
|
||
TokenMessage msg(3);
|
||
pinMsg.WriteMessage(msg);
|
||
|
||
Send(msg);
|
||
}
|
||
|
||
bool TokenClient::OnPing(TokenMessage& msg, TokenController* ctrl)
|
||
{
|
||
TS("TokenClient::OnPing");
|
||
|
||
if (!msg.Reply) return false;
|
||
|
||
#if DEBUG
|
||
TokenPingMessage pinMsg;
|
||
pinMsg.ReadMessage(msg);
|
||
UInt64 start = pinMsg.LocalTime;
|
||
|
||
//int cost = (int)(Sys.Ms() - start);
|
||
// 使用绝对毫秒数，让服务器知道设备本地时间
|
||
int cost = (int)(DateTime::Now().TotalMs() - start);
|
||
|
||
if(Delay)
|
||
Delay = (Delay + cost) / 2;
|
||
else
|
||
Delay = cost;
|
||
|
||
debug_printf("心跳延迟 %dms / %dms \r\n", cost, Delay);
|
||
#endif
|
||
|
||
return true;
|
||
}
|
||
|
||
/******************************** 数据区 ********************************/
|
||
|
||
void TokenClient::Read(int start, int size)
|
||
{
|
||
TokenDataMessage dm;
|
||
dm.Start = start;
|
||
dm.Size = size;
|
||
|
||
TokenMessage msg;
|
||
msg.Code = 0x05;
|
||
dm.WriteMessage(msg);
|
||
|
||
Send(msg);
|
||
}
|
||
|
||
void TokenClient::Write(int start, const Buffer& bs)
|
||
{
|
||
TokenDataMessage dm;
|
||
dm.Start = start;
|
||
dm.Data = bs;
|
||
|
||
TokenMessage msg;
|
||
msg.Code = 0x06;
|
||
dm.WriteMessage(msg);
|
||
|
||
Send(msg);
|
||
}
|
||
|
||
void TokenClient::Write(int start, byte dat)
|
||
{
|
||
Write(start, Buffer(&dat, 1));
|
||
}
|
||
|
||
void TokenClient::ReportAsync(int start, uint length)
|
||
{
|
||
if(start + length >= Store.Data.Length()) return;
|
||
|
||
NextReport = start;
|
||
ReportLength = length;
|
||
|
||
// 延迟上报，期间有其它上报任务到来将会覆盖
|
||
Sys.SetTask(_task, true, 200);
|
||
}
|
||
|
||
bool TokenClient::CheckReport()
|
||
{
|
||
uint offset = NextReport;
|
||
uint len = ReportLength;
|
||
assert(offset == 0 || offset < 0x10, "自动上报偏移量异常！");
|
||
|
||
if(!offset) return false;
|
||
|
||
// 检查索引，否则数组越界
|
||
auto& bs = Store.Data;
|
||
if(bs.Length() > offset + len)
|
||
{
|
||
if(len == 1)
|
||
Write(offset, bs[offset]);
|
||
else
|
||
Write(offset, Buffer(&bs[offset], len));
|
||
}
|
||
NextReport = 0;
|
||
|
||
return true;
|
||
}
|
||
|
||
/*
|
||
请求：起始 + 大小
|
||
响应：起始 + 数据
|
||
*/
|
||
void TokenClient::OnRead(const TokenMessage& msg, TokenController* ctrl)
|
||
{
|
||
if(msg.Reply) return;
|
||
if(msg.Length < 2) return;
|
||
|
||
auto rs = msg.CreateReply();
|
||
auto ms = rs.ToStream();
|
||
|
||
TokenDataMessage dm;
|
||
dm.ReadMessage(msg);
|
||
dm.Show(true);
|
||
|
||
bool rt = true;
|
||
if(dm.Start < 64)
|
||
rt = dm.ReadData(Store);
|
||
else if(dm.Start < 128)
|
||
{
|
||
dm.Start -= 64;
|
||
rt = dm.ReadData(Cfg->ToArray());
|
||
dm.Start += 64;
|
||
}
|
||
|
||
if (!rt)
|
||
{
|
||
debug_printf("rt == false\r\n");
|
||
rs.Error = true;
|
||
}
|
||
else
|
||
{
|
||
dm.Show(true);
|
||
dm.WriteMessage(rs);
|
||
}
|
||
|
||
Reply(rs, ctrl);
|
||
}
|
||
|
||
/*
|
||
请求：1起始 + N数据
|
||
响应：1起始 + 1大小 + N数据
|
||
错误：错误码2 + 1起始 + 1大小
|
||
*/
|
||
void TokenClient::OnWrite(const TokenMessage& msg, TokenController* ctrl)
|
||
{
|
||
if(msg.Reply) return;
|
||
if(msg.Length < 2) return;
|
||
|
||
auto rs = msg.CreateReply();
|
||
auto ms = rs.ToStream();
|
||
|
||
TokenDataMessage dm;
|
||
dm.ReadMessage(msg);
|
||
dm.Show(true);
|
||
|
||
bool rt = true;
|
||
if(dm.Start < 64)
|
||
{
|
||
rt = dm.WriteData(Store, true);
|
||
}
|
||
else if(dm.Start < 128)
|
||
{
|
||
dm.Start -= 64;
|
||
auto bs = Cfg->ToArray();
|
||
rt = dm.WriteData(bs, true);
|
||
dm.Start += 64;
|
||
|
||
Cfg->Save();
|
||
}
|
||
|
||
if(!rt)
|
||
rs.Error = true;
|
||
else
|
||
dm.WriteMessage(rs);
|
||
|
||
Reply(rs, ctrl);
|
||
|
||
if(dm.Start >= 64 && dm.Start < 128)
|
||
{
|
||
debug_printf("\r\n 配置区被修改，200ms后重启\r\n");
|
||
Sys.Sleep(200);
|
||
Sys.Reset();
|
||
}
|
||
}
|
||
|
||
/******************************** 远程调用 ********************************/
|
||
|
||
void TokenClient::Invoke(const String& action, const Buffer& bs)
|
||
{
|
||
TokenMessage msg;
|
||
auto ms = msg.ToStream();
|
||
|
||
BinaryPair bp(ms);
|
||
|
||
bp.Set("Action", action);
|
||
|
||
ms.Write(bs);
|
||
|
||
Send(msg);
|
||
}
|
||
|
||
void TokenClient::OnInvoke(const TokenMessage& msg, TokenController* ctrl)
|
||
{
|
||
auto rs = msg.CreateReply();
|
||
// 考虑到结果可能比较大，允许扩容
|
||
//auto ms = rs.ToStream();
|
||
//ms.CanResize = true;
|
||
|
||
MemoryStream ms; // 不能用 rs.Data 数据区 后面Set数据会先写Result 这样就破坏了数据区
|
||
BinaryPair bp(msg.ToStream());
|
||
|
||
String action;
|
||
if(!bp.Get("Action", action) || !action)
|
||
{
|
||
rs.SetError(0x01, "请求错误");
|
||
}
|
||
else
|
||
{
|
||
// 传入参数名值对以及结果缓冲区引用，业务失败时返回false并把错误信息放在结果缓冲区
|
||
MemoryStream result;
|
||
if(!OnInvoke(action, bp, result))
|
||
{
|
||
if(result.Position() > 0)
|
||
rs.SetError(0x03, (cstring)result.GetBuffer());
|
||
else
|
||
rs.SetError(0x02, "执行出错");
|
||
}
|
||
else
|
||
{
|
||
// 执行成功
|
||
result.SetPosition(0);
|
||
|
||
BinaryPair bprs(ms);
|
||
bprs.Set("Result", Buffer(result.GetBuffer(), result.Length));
|
||
|
||
// 数据流可能已经扩容
|
||
rs.Data = ms.GetBuffer();
|
||
rs.Length = ms.Position();
|
||
}
|
||
}
|
||
|
||
Reply(rs, ctrl);
|
||
}
|
||
|
||
bool TokenClient::OnInvoke(const String& action, const BinaryPair& args, Stream& result)
|
||
{
|
||
IDelegate* dlg = nullptr;
|
||
if(!Routes.TryGetValue(action.GetBuffer(), dlg) || !dlg) return false;
|
||
|
||
auto inv = (InvokeHandler)dlg->Method;
|
||
|
||
return inv(dlg->Target, args, result);
|
||
}
|
||
|
||
void TokenClient::Register(cstring action, InvokeHandler handler, void* param)
|
||
{
|
||
if(handler)
|
||
{
|
||
auto dlg = new IDelegate();
|
||
dlg->Method = (void*)handler;
|
||
dlg->Target = param;
|
||
|
||
Routes.Add(action, dlg);
|
||
}
|
||
else
|
||
{
|
||
IDelegate* dlg = nullptr;
|
||
if(Routes.TryGetValue(action, dlg))
|
||
{
|
||
delete dlg;
|
||
|
||
Routes.Remove(action);
|
||
}
|
||
}
|
||
}
|