773 lines
15 KiB
C++
773 lines
15 KiB
C++
#include "Flash.h"
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#include "TinyServer.h"
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#include "Security\Crc.h"
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#include "JoinMessage.h"
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#include "PingMessage.h"
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#include "DataMessage.h"
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#include "Config.h"
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#include "Drivers\ShunCom.h"
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#include "Security\MD5.h"
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/******************************** TinyServer ********************************/
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static bool OnServerReceived(void* sender, Message& msg, void* param);
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static void GetDeviceKey(byte scr, Array& key,void* param);
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#if DEBUG
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// 输出所有设备
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static void DeviceShow(void* param);
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#endif
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TinyServer::TinyServer(TinyController* control)
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{
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Control = control;
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Cfg = NULL;
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DeviceType = Sys.Code;
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Control->Received = OnServerReceived;
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Control->GetKey = GetDeviceKey;
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Control->Param = this;
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Control->Mode = 2; // 服务端接收所有消息
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Received = NULL;
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Param = NULL;
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Current = NULL;
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Study = false;
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Devices.SetLength(0);
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}
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bool TinyServer::Send(Message& msg) const
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{
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// 附加目标物理地址
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//if(!msg.State)
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{
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auto dv = FindDevice(((TinyMessage&)msg).Dest);
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if(!dv) dv = Current;
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if(dv) msg.State = dv->Mac;
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}
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return Control->Send(msg);
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}
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bool OnServerReceived(void* sender, Message& msg, void* param)
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{
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auto server = (TinyServer*)param;
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assert_ptr(server);
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// 消息转发
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return server->OnReceive((TinyMessage&)msg);
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}
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// 常用系统级消息
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void TinyServer::Start()
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{
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TS("TinyServer::Start");
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assert_param2(Cfg, "未指定微网服务器的配置");
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//LoadConfig();
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auto count = LoadDevices();
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// 如果加载得到的设备数跟存入的设备数不想等，则需要覆盖一次
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if(Devices.Length() != count) SaveDevices();
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#if DEBUG
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Sys.AddTask(DeviceShow, this, 10000, 30000, "节点列表");
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#endif
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Control->Open();
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}
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// 收到本地无线网消息
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bool TinyServer::OnReceive(TinyMessage& msg)
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{
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TS("TinyServer::OnReceive");
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// 如果设备列表没有这个设备，那么加进去
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byte id = msg.Src;
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auto dv = Current;
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if(!dv) dv = FindDevice(id);
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// 不响应不在设备列表设备的 非Join指令
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if(!dv && msg.Code > 2) return false;
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switch(msg.Code)
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{
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case 1:
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if(!OnJoin(msg)) return false;
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dv = Current;
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break;
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case 2:
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OnDisjoin(msg);
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break;
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case 3:
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// 设置当前设备
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Current = dv;
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OnPing(msg);
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break;
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case 5:
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case 0x15:
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if(msg.Reply)
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{
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// 修改最后读取时间
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dv->LastRead = Sys.Seconds();
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OnReadReply(msg, *dv);
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}
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break;
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case 6:
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case 0x16:
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if(msg.Reply)
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OnWriteReply(msg, *dv);
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else
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{
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auto rs = msg.CreateReply();
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if(OnWrite(msg, rs, *dv)) Send(rs);
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}
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break;
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}
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// 更新设备信息
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if(dv) dv->LastTime = Sys.Seconds();
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// 设置当前设备
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Current = dv;
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// 系统指令不会被转发，这里修改为用户指令
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if(msg.Code == 0x05 || msg.Code == 0x06) msg.Code |= 0x10;
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// 消息转发
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if(Received) return Received(this, msg, Param);
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Current = NULL;
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return true;
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}
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// 分发外网过来的消息。返回值表示是否有响应
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bool TinyServer::Dispatch(TinyMessage& msg)
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{
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if(msg.Reply || msg.Error) return false;
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TS("TinyServer::Dispatch");
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// 先找到设备
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auto dv = FindDevice(msg.Dest);
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if(!dv) return false;
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// 设置当前设备
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Current = dv;
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bool rt = false; // 是否响应远程
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bool fw = true; // 是否转发给本地
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auto rs = msg.CreateReply();
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// 缓存内存操作指令
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switch(msg.Code)
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{
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case 5:
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case 0x15:
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{
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auto now = Sys.Seconds();
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rt = OnRead(msg, rs, *dv);
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// 避免频繁读取。间隔秒数
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if(dv->LastRead + 5 < now)
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{
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//dv->LastRead = now;
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rt = false;
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}
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else
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fw = false;
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break;
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}
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case 6:
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case 0x16:
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rt = false;
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break;
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}
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if(fw && !rs.Error)
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{
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// 非休眠设备直接发送
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//if(!dv->CanSleep())
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//{
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Send(msg);
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//}
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// 休眠设备进入发送队列
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//else
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//{
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//}
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}
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// 如果有返回，需要设置目标地址，让网关以为该信息来自设备
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if(rt)
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{
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msg.Dest = rs.Dest;
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msg.Src = dv->Address;
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msg.Reply = true;
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msg.Error = rs.Error;
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msg.SetData(Array(rs.Data, rs.Length));
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}
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Current = NULL;
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return rt;
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}
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// 组网
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bool TinyServer::OnJoin(const TinyMessage& msg)
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{
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if(msg.Reply) return false;
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TS("TinyServer::OnJoin");
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// 如果设备列表没有这个设备，那么加进去
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byte id = msg.Src;
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if(!id) return false;
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auto now = Sys.Seconds();
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JoinMessage dm;
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dm.ReadMessage(msg);
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// 规避旧设备的错误数据
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if(dm.Kind == 0x1004) return false;
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// 根据硬件编码找设备
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auto dv = FindDevice(dm.HardID);
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if(!dv)
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{
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if(!Study)
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{
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debug_printf("非学习模式禁止加入\r\n");
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return false;
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}
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// 从1开始派ID
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id = 1;
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while(FindDevice(++id) != NULL && id < 0xFF);
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debug_printf("发现节点设备 0x%04X ，为其分配 0x%02X\r\n", dm.Kind, id);
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if(id == 0xFF) return false;
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dv = new Device();
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dv->Address = id;
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dv->Logins = 0;
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// 节点注册
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dv->RegTime = now;
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dv->Kind = dm.Kind;
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dv->SetHardID(dm.HardID);
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dv->Version = dm.Version;
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dv->LoginTime = now;
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// 生成随机密码。当前时间的MD5
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auto bs = MD5::Hash(Array(&now, 8));
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if(bs.Length() > 8) bs.SetLength(8);
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dv->SetPass(bs);
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// 保存无线物理地址
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auto st = (byte*)msg.State;
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if(st)
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{
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//byte sum = st[0] && st[1] && st[2] && st[3] && st[4];
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int sum = (int)st[0] + st[1] + st[2] + st[3] + st[4];
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if(sum == 0 || sum == 0xFF * 5) st = NULL;
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}
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if(!st)
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memcpy(dv->Mac, dv->HardID, 6);
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else
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memcpy(dv->Mac, st, 6);
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if(dv->Valid())
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{
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Devices.Push(dv);
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SaveDevices(); // 写好相关数据 校验通过才能存flash
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}
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else
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{
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delete dv;
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return false;
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}
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}
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// 更新设备信息
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Current = dv;
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dv->LoginTime = now;
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dv->Logins++;
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debug_printf("\r\nTinyServer::设备第 %d 次组网 TranID=0x%04X \r\n", dv->Logins, dm.TranID);
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dv->Show(true);
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// 响应
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auto rs = msg.CreateReply();
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// 发现响应
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dm.Reply = true;
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dm.Server = Cfg->Address;
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dm.Channel = Cfg->Channel;
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dm.Speed = Cfg->Speed / 10;
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dm.Address = dv->Address;
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dm.Password.Copy(dv->GetPass());
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dm.HardID.Set(Sys.ID, 6);
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dm.WriteMessage(rs);
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rs.State = dv->Mac;
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//Control->Send(rs);
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// 组网消息属于广播消息，很可能丢包，重发3次
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for(int i=0; i<3; i++)
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{
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Control->Send(rs);
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Sys.Sleep(10);
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}
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return true;
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}
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// 读取
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bool TinyServer::OnDisjoin(const TinyMessage& msg)
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{
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TS("TinyServer::OnDisjoin");
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debug_printf("TinyServer::OnDisjoin\r\n");
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// 如果是退网请求，这里也需要删除设备
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if(!msg.Reply)
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{
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auto dv = FindDevice(msg.Src);
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if(dv)
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{
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// 拿出来硬件ID的校验，检查是否合法
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auto ms = msg.ToStream();
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ushort crc1 = ms.ReadUInt16();
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ushort crc2 = Crc::Hash16(dv->GetHardID());
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if(crc1 == crc2)
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DeleteDevice(dv->Address);
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else
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debug_printf("0x%02X 非法退网，请求的硬件校验 0x%04X 不等于本地硬件校验 0x%04X", dv->Address, crc1, crc2);
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}
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}
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return true;
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}
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bool TinyServer::Disjoin(TinyMessage& msg, ushort crc) const
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{
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TS("TinyServer::Disjoin");
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msg.Code = 0x02;
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auto ms = msg.ToStream();
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ms.Write(crc);
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msg.Length = ms.Position();
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Send(msg);
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return true;
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}
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bool TinyServer::Disjoin(byte id)
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{
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TS("TinyServer::Disjoin");
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auto dv = FindDevice(id);
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auto crc = Crc::Hash16(dv->GetHardID());
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TinyMessage msg;
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msg.Code = 0x02;
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auto ms = msg.ToStream();
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ms.Write(crc);
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msg.Length = ms.Position();
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Send(msg);
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DeleteDevice(id);
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return true;
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}
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// 心跳保持与对方的活动状态
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bool TinyServer::OnPing(const TinyMessage& msg)
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{
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TS("TinyServer::OnPing");
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auto dv = FindDevice(msg.Src);
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// 网关内没有相关节点信息时不鸟他
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if(dv == NULL) return false;
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auto rs = msg.CreateReply();
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auto ms = msg.ToStream();
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PingMessage pm;
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pm.MaxSize = Control->Port->MaxSize - TinyMessage::MinSize;
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// 子操作码
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while(ms.Remain())
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{
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byte code = ms.ReadByte();
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switch(code)
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{
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case 0x01:
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{
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auto bs = dv->GetStore();
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pm.ReadData(ms, bs);
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// 更新读取时间
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dv->LastRead = Sys.Seconds();
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break;
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}
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case 0x02:
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{
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auto bs = dv->GetConfig();
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pm.ReadData(ms, bs);
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break;
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}
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case 0x03:
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{
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ushort crc = 0;
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if(!pm.ReadHardCrc(ms, dv, crc))
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{
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Disjoin(rs, crc);
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return false;
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}
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break;
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}
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default:
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{
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debug_printf("TinyServer::OnPing 无法识别的心跳子操作码 0x%02X \r\n", code);
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return false;
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}
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}
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}
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// 告诉客户端有多少待处理指令
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// 给客户端同步时间，4字节的秒
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auto ms2 = rs.ToStream();
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pm.WriteTime(ms2, Sys.Seconds());
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rs.Length = ms2.Position();
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Send(rs);
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return true;
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}
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/*
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请求：1起始 + 1大小
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响应：1起始 + N数据
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错误：错误码2 + 1起始 + 1大小
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*/
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bool TinyServer::OnRead(const Message& msg, Message& rs, const Device& dv)
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{
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if(msg.Reply) return false;
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if(msg.Length < 2) return false;
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if(msg.Error) return false;
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TS("TinyServer::OnRead");
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auto ms = rs.ToStream();
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DataMessage dm(msg, &ms);
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bool rt = true;
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if(dm.Offset < 64)
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rt = dm.ReadData(dv.GetStore());
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else if(dm.Offset < 128)
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{
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dm.Offset -= 64;
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rt = dm.ReadData(dv.GetConfig());
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}
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rs.Error = !rt;
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rs.Length = ms.Position();
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//rs.Show();
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return true;
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}
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/*
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请求：1起始 + N数据
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响应：1起始 + 1大小
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错误：错误码2 + 1起始 + 1大小
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*/
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bool TinyServer::OnWrite(const Message& msg, Message& rs, Device& dv)
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{
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if(msg.Reply) return false;
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if(msg.Length < 2) return false;
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TS("TinyServer::OnWrite");
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auto ms = rs.ToStream();
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DataMessage dm(msg, &ms);
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bool rt = true;
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if(dm.Offset < 64)
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rt = dm.WriteData(dv.GetStore(), false);
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else if(dm.Offset < 128)
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{
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dm.Offset -= 64;
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rt = dm.WriteData(dv.GetConfig(), false);
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}
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rs.Error = !rt;
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rs.Length = ms.Position();
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return true;
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}
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// 读取响应，服务端趁机缓存一份。
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bool TinyServer::OnReadReply(const Message& msg, Device& dv)
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{
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if(!msg.Reply || msg.Error) return false;
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if(msg.Length < 2) return false;
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TS("TinyServer::OnReadReply");
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return OnWriteReply(msg, dv);
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}
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// 节点的写入响应，偏移和长度之后可能携带有数据
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bool TinyServer::OnWriteReply(const Message& msg, Device& dv)
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{
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if(!msg.Reply || msg.Error) return false;
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if(msg.Length <= 2) return false;
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TS("TinyServer::OnWriteReply");
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DataMessage dm(msg, NULL);
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if(dm.Offset < 64)
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dm.WriteData(dv.GetStore(), false);
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else if(dm.Offset < 128)
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{
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dm.Offset -= 64;
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dm.WriteData(dv.GetConfig(), false);
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}
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return true;
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}
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// 设置zigbee的通道，2401无效
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void TinyServer::SetChannel(byte channel)
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{
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if(!Control) return;
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auto zb = (ShunCom*)Control;
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if(!zb) return;
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if(zb->EnterConfig())
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{
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zb->ShowConfig();
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zb->SetChannel(channel);
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zb->ExitConfig();
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}
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}
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Device* TinyServer::FindDevice(byte id) const
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{
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if(id == 0) return NULL;
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for(int i=0; i<Devices.Length(); i++)
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{
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if(id == Devices[i]->Address) return Devices[i];
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}
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return NULL;
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}
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void GetDeviceKey(byte scr,Array& key,void* param)
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{
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/*TS("TinyServer::GetDeviceKey");
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auto server = (TinyServer*)param;
|
||
|
||
auto dv = server->FindDevice(scr);
|
||
if(!dv) return;
|
||
|
||
// 检查版本
|
||
if(dv->Version < 0x00AA) return;
|
||
|
||
// debug_printf("%d 设备获取密匙\n",scr);
|
||
key.Copy(dv->Pass, 8);*/
|
||
}
|
||
|
||
Device* TinyServer::FindDevice(const Array& hardid) const
|
||
{
|
||
if(hardid.Length() == 0) return NULL;
|
||
|
||
for(int i=0; i<Devices.Length(); i++)
|
||
{
|
||
if(hardid == Devices[i]->GetHardID()) return Devices[i];
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
bool TinyServer::DeleteDevice(byte id)
|
||
{
|
||
TS("TinyServer::DeleteDevice");
|
||
|
||
auto dv = FindDevice(id);
|
||
if(dv && dv->Address == id)
|
||
{
|
||
debug_printf("TinyServer::DeleteDevice 删除设备 0x%02X \r\n", id);
|
||
|
||
int idx = Devices.FindIndex(dv);
|
||
if(idx >= 0) Devices[idx] = NULL;
|
||
delete dv;
|
||
SaveDevices();
|
||
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
// 获取设备列表存储对象
|
||
const Config GetStore(Flash& flash)
|
||
{
|
||
// 最后4k的位置作为存储位置
|
||
uint addr = 0x8000000 + (Sys.FlashSize << 10) - (4 << 10);
|
||
Config cfg(flash, addr, 4 << 10);
|
||
|
||
return cfg;
|
||
}
|
||
|
||
int TinyServer::LoadDevices()
|
||
{
|
||
TS("TinyServer::LoadDevices");
|
||
|
||
debug_printf("TinyServer::LoadDevices 加载设备！\r\n");
|
||
Flash flash;
|
||
auto cfg = GetStore(flash);
|
||
|
||
byte* data = (byte*)cfg.Get("Devs");
|
||
if(!data) return -1;
|
||
|
||
Stream ms(data, 4 << 10);
|
||
// 设备个数
|
||
int count = ms.ReadByte();
|
||
debug_printf("\t共有%d个节点\r\n", count);
|
||
int i = 0;
|
||
for(; i<count; i++)
|
||
{
|
||
debug_printf("\t加载设备:");
|
||
|
||
bool fs = false;
|
||
/*ms.Seek(1);
|
||
byte id = ms.Peek();
|
||
ms.Seek(-1);*/
|
||
// 前面一个字节是长度，第二个字节才是ID
|
||
byte id = ms.GetBuffer()[1];
|
||
auto dv = FindDevice(id);
|
||
if(!dv)
|
||
{
|
||
dv = new Device();
|
||
fs = true;
|
||
}
|
||
dv->Read(ms);
|
||
dv->Show();
|
||
|
||
if(fs)
|
||
{
|
||
int idx = Devices.FindIndex(NULL);
|
||
if(idx == -1)
|
||
{
|
||
if(dv->Valid())
|
||
Devices.Push(dv);
|
||
else
|
||
delete dv;
|
||
//debug_printf("\t Push");
|
||
}
|
||
}
|
||
debug_printf("\r\n");
|
||
}
|
||
|
||
debug_printf("TinyServer::LoadDevices 从 0x%08X 加载 %d 个设备！\r\n", cfg.Address, i);
|
||
|
||
byte len = Devices.Length();
|
||
debug_printf("Devices内已有节点 %d 个\r\n", len);
|
||
|
||
return i;
|
||
}
|
||
|
||
void TinyServer::SaveDevices() const
|
||
{
|
||
TS("TinyServer::SaveDevices");
|
||
|
||
Flash flash;
|
||
auto cfg = GetStore(flash);
|
||
|
||
byte buf[0x800];
|
||
|
||
MemoryStream ms(buf, ArrayLength(buf));
|
||
// 设备个数
|
||
int count = Devices.Length();
|
||
ms.Write((byte)count);
|
||
for(int i = 0; i<count; i++)
|
||
{
|
||
auto dv = Devices[i];
|
||
dv->Write(ms);
|
||
}
|
||
debug_printf("TinyServer::SaveDevices 保存 %d 个设备到 0x%08X！\r\n", count, cfg.Address);
|
||
cfg.Set("Devs", Array(ms.GetBuffer(), ms.Position()));
|
||
}
|
||
|
||
void TinyServer::ClearDevices()
|
||
{
|
||
TS("TinyServer::ClearDevices");
|
||
|
||
Flash flash;
|
||
auto cfg = GetStore(flash);
|
||
|
||
debug_printf("TinyServer::ClearDevices 清空设备列表 0x%08X \r\n", cfg.Address);
|
||
|
||
//cfg.Remove("Devs");
|
||
|
||
int count = Devices.Length();
|
||
for(int j = 0; j < 3; j++) // 3遍
|
||
{
|
||
for(int i = 1; i < count; i++) // 从1开始派ID 自己下线完全不需要
|
||
{
|
||
auto dv = Devices[i];
|
||
TinyMessage rs;
|
||
rs.Dest = dv->Address;
|
||
ushort crc = Crc::Hash16(dv->GetHardID());
|
||
Disjoin(rs, crc);
|
||
}
|
||
}
|
||
|
||
for(int i=0; i<Devices.Length(); i++)
|
||
{
|
||
delete Devices[i];
|
||
}
|
||
Devices.SetLength(0); // 清零后需要保存一下，否则重启后 Length 可能不是 0。做到以防万一
|
||
SaveDevices();
|
||
}
|
||
|
||
// 输出所有设备
|
||
void DeviceShow(void* param)
|
||
{
|
||
TS("TinyServer::DeviceShow");
|
||
|
||
auto svr = (TinyServer*)param;
|
||
|
||
byte len = svr->Devices.Length();
|
||
byte count = 0;
|
||
|
||
for(int i = 0; i < len; i++)
|
||
{
|
||
auto dv = svr->Devices[i];
|
||
if(dv == NULL) continue;
|
||
|
||
count++;
|
||
dv->Show();
|
||
debug_printf("\r\n");
|
||
|
||
//Sys.Sleep(0);
|
||
}
|
||
debug_printf("\r\n已有节点 %d 个\r\n", count);
|
||
debug_printf("\r\n\r\n");
|
||
}
|