//解析 private void ParseData(byte[] buff, UInt32 buffindex, UInt32 PacketLength) { int command = (buff[buffindex] + (buff[buffindex + 1] << 8)); if (command == (int)COMMAND_ID.COMMAND_KEEP_ALIVE_RESPONSE) { } else if (command == (int)COMMAND_ID.COMMAND_REG_RESPONSE) { byte Regresult = buff[buffindex + 2]; if (Regresult == 1) { Reged = true; Reging = false; sendblockEvent.Set(); } else { Reged = false; Reging = false; sendblockEvent.Reset(); Exception e = new Exception("应用注册失败,同类应用可能已经在运行。"); if (ExceptionEvent != null) ExceptionEvent(e); } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_SERVERDOWN) { if (SendStatusEvent != null) { UInt16 serverid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 4); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_SERVERDOWN, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_APPDOWN) { if (SendStatusEvent != null) { UInt16 serverid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt16 sourceappid = BitConverter.ToUInt16(buff, (int)buffindex + 4); UInt16 destappid = BitConverter.ToUInt16(buff, (int)buffindex + 6); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 8); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_APPDOWN, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_ERR) { if (SendStatusEvent != null) { UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_ERR, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_RECEIVED) { if(SendStatusEvent != null) { UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { sendinglist[dataid].outtime = DateTime.Now; SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_RECEIVED, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_QUERY_SERVER_RESPONSE) { if(updateClientEvent != null) { char[] trimChars = {(char)0 }; List<ServerClass> servers = new List<ServerClass>(); int servercount = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt32 pos = buffindex + 4; for(int i = 0; i<servercount; ++i) { ushort serverid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; string stationid = Encoding.Default.GetString(buff, (int)pos, 33).Trim(trimChars); pos = pos + 33; byte online = buff[pos]; ++pos; ServerClass s = new ServerClass(); s.m_Serverid = serverid; s.m_szStationID = stationid; s.isonline = (online == 1); servers.Add(s); } ClienUpdateEventArgs e = new ClienUpdateEventArgs(CLIENTUPDATE.updateServer); e.data = servers; updateClientEvent(e); } } else if ((command == (int)COMMAND_ID.COMMAND_QUERY_APP_RESPONSE) || (command == (int)COMMAND_ID.COMMAND_SYN_APP)) { if (updateClientEvent != null) { List<AppObj> applist = new List<AppObj>(); UInt32 pos = buffindex + 2; ushort serverid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; ushort appcount = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; for (int i = 0; i < appcount; ++i) { ushort appid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; byte isadd = buff[pos]; ++pos; AppObj a = new AppObj(); a.m_Serverid = serverid; a.app = (APPID)appid; a.isonline = (isadd == 1); applist.Add(a); } ClienUpdateEventArgs e = new ClienUpdateEventArgs(CLIENTUPDATE.updateApp); e.data = applist; updateClientEvent(e); } } //接受到数据包 else if (command == (int)COMMAND_ID.COMMAND_PACKET) { if (ReceivedEvent != null) { const int CommnadSize = 2; //命令大小 const int ConnectSize = 12; //连接大小 const int DataidSize = 4; //数据块编号大小 const int DataLengthSize = 4; //数据块长度大小 const int DataOffsetSize = 4; //数据块偏移大小 const int MD5Length = 16; const int PacketHead = CommnadSize + ConnectSize + DataidSize + DataLengthSize + DataOffsetSize; bool datacorrect = true; UInt16 SourServerid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt16 DestServerid = BitConverter.ToUInt16(buff, (int)buffindex + 4); UInt16 SourAppid = BitConverter.ToUInt16(buff, (int)buffindex + 6); UInt16 DestAppid = BitConverter.ToUInt16(buff, (int)buffindex + 8); UInt32 connid = BitConverter.ToUInt32(buff, (int)buffindex + 10); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); byte[] smd5 = new byte[MD5Length]; Array.Copy(buff, buffindex + PacketHead, smd5, 0, MD5Length); byte[] dmd5 = md5Pro.ComputeHash(buff, (int)buffindex + PacketHead + MD5Length, (int)PacketLength - PacketHead - MD5Length); for (int i = 0; i < MD5Length; i++) { if (smd5[i] != dmd5[i]) datacorrect = false; } //验证数据正确性 if (datacorrect) { icPacket packet = new icPacket(); object data = null; MemoryStream stream = new MemoryStream(buff, (int)buffindex + PacketHead + MD5Length, (int)PacketLength - PacketHead - MD5Length); data = rformatter.Deserialize(stream); packet.data = data; packet.Serverid = SourServerid; packet.Appid = (APPID)SourAppid; packet.dataid = dataid; ReceivedEventArgs e = new ReceivedEventArgs(packet); ReceivedEvent(e); socket.Send(icParse.makePacketReceived(DestServerid, DestAppid, SourServerid, SourAppid, 0, dataid)); } else { socket.Send(icParse.makePacketErr(DestServerid, DestAppid, SourServerid, SourAppid, 0, dataid)); } } } }
//解析 private void ParseData(byte[] buff, UInt32 buffindex, UInt32 PacketLength) { int command = (buff[buffindex] + (buff[buffindex + 1] << 8)); if (command == (int)COMMAND_ID.COMMAND_KEEP_ALIVE_RESPONSE) { } else if (command == (int)COMMAND_ID.COMMAND_REG_RESPONSE) { byte Regresult = buff[buffindex + 2]; if (Regresult == 1) { Reged = true; Reging = false; sendblockEvent.Set(); } else { Reged = false; Reging = false; sendblockEvent.Reset(); Exception e = new Exception("应用注册失败,同类应用可能已经在运行。"); if (ExceptionEvent != null) { ExceptionEvent(e); } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_SERVERDOWN) { if (SendStatusEvent != null) { UInt16 serverid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 4); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_SERVERDOWN, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_APPDOWN) { if (SendStatusEvent != null) { UInt16 serverid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt16 sourceappid = BitConverter.ToUInt16(buff, (int)buffindex + 4); UInt16 destappid = BitConverter.ToUInt16(buff, (int)buffindex + 6); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 8); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_APPDOWN, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_ERR) { if (SendStatusEvent != null) { UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_ERR, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_PACKET_RECEIVED) { if (SendStatusEvent != null) { UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); lock (Synsendinglist) { if (sendinglist.ContainsKey(dataid)) { sendinglist[dataid].outtime = DateTime.Now; SendStatusEventArgs e = new SendStatusEventArgs(SENDSTATUS.PACKET_RECEIVED, sendinglist[dataid]); sendinglist.Remove(dataid); SendStatusEvent(e); } } } } else if (command == (int)COMMAND_ID.COMMAND_QUERY_SERVER_RESPONSE) { if (updateClientEvent != null) { char[] trimChars = { (char)0 }; List <ServerClass> servers = new List <ServerClass>(); int servercount = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt32 pos = buffindex + 4; for (int i = 0; i < servercount; ++i) { ushort serverid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; string stationid = Encoding.Default.GetString(buff, (int)pos, 33).Trim(trimChars); pos = pos + 33; byte online = buff[pos]; ++pos; ServerClass s = new ServerClass(); s.m_Serverid = serverid; s.m_szStationID = stationid; s.isonline = (online == 1); servers.Add(s); } ClienUpdateEventArgs e = new ClienUpdateEventArgs(CLIENTUPDATE.updateServer); e.data = servers; updateClientEvent(e); } } else if ((command == (int)COMMAND_ID.COMMAND_QUERY_APP_RESPONSE) || (command == (int)COMMAND_ID.COMMAND_SYN_APP)) { if (updateClientEvent != null) { List <AppObj> applist = new List <AppObj>(); UInt32 pos = buffindex + 2; ushort serverid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; ushort appcount = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; for (int i = 0; i < appcount; ++i) { ushort appid = BitConverter.ToUInt16(buff, (int)pos); pos = pos + 2; byte isadd = buff[pos]; ++pos; AppObj a = new AppObj(); a.m_Serverid = serverid; a.app = (APPID)appid; a.isonline = (isadd == 1); applist.Add(a); } ClienUpdateEventArgs e = new ClienUpdateEventArgs(CLIENTUPDATE.updateApp); e.data = applist; updateClientEvent(e); } } //接受到数据包 else if (command == (int)COMMAND_ID.COMMAND_PACKET) { if (ReceivedEvent != null) { const int CommnadSize = 2; //命令大小 const int ConnectSize = 12; //连接大小 const int DataidSize = 4; //数据块编号大小 const int DataLengthSize = 4; //数据块长度大小 const int DataOffsetSize = 4; //数据块偏移大小 const int MD5Length = 16; const int PacketHead = CommnadSize + ConnectSize + DataidSize + DataLengthSize + DataOffsetSize; bool datacorrect = true; UInt16 SourServerid = BitConverter.ToUInt16(buff, (int)buffindex + 2); UInt16 DestServerid = BitConverter.ToUInt16(buff, (int)buffindex + 4); UInt16 SourAppid = BitConverter.ToUInt16(buff, (int)buffindex + 6); UInt16 DestAppid = BitConverter.ToUInt16(buff, (int)buffindex + 8); UInt32 connid = BitConverter.ToUInt32(buff, (int)buffindex + 10); UInt32 dataid = BitConverter.ToUInt32(buff, (int)buffindex + 14); byte[] smd5 = new byte[MD5Length]; Array.Copy(buff, buffindex + PacketHead, smd5, 0, MD5Length); byte[] dmd5 = md5Pro.ComputeHash(buff, (int)buffindex + PacketHead + MD5Length, (int)PacketLength - PacketHead - MD5Length); for (int i = 0; i < MD5Length; i++) { if (smd5[i] != dmd5[i]) { datacorrect = false; } } //验证数据正确性 if (datacorrect) { icPacket packet = new icPacket(); object data = null; MemoryStream stream = new MemoryStream(buff, (int)buffindex + PacketHead + MD5Length, (int)PacketLength - PacketHead - MD5Length); data = rformatter.Deserialize(stream); packet.data = data; packet.Serverid = SourServerid; packet.Appid = (APPID)SourAppid; packet.dataid = dataid; ReceivedEventArgs e = new ReceivedEventArgs(packet); ReceivedEvent(e); socket.Send(icParse.makePacketReceived(DestServerid, DestAppid, SourServerid, SourAppid, 0, dataid)); } else { socket.Send(icParse.makePacketErr(DestServerid, DestAppid, SourServerid, SourAppid, 0, dataid)); } } } }