304 lines
13 KiB
C#
304 lines
13 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Text;
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using System.Net;
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using System.Net.Sockets;
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using System.Threading;
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using System.Collections;
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using SafeMobileLib;
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/*
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< rsp sid="SID" id="100111" mode="MOD" HW_Type="Hw_type"
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subscriber="Phone_nr" RFID="RFID" time="TIME"
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Latitude="" Longitude="" Speed="" ai1="" ai2="" ai3="" ai4=""
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ai5="" ai6="" ai7="" ai8="" di="" ao1="" ao2="" do=""> </rsp>
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*/
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namespace CPlus_GW
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{
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class ReceiveSMSThread
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{
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public UInt16 port;
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//public MotoTRBOGW parent;
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string gwID;
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private UdpMulticast udpMulticast;
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public ReceiveSMSThread(ushort p_port, string p_gwID)
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{
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port = p_port;
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gwID = p_gwID;
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udpMulticast = new UdpMulticast(Program.cfg.multi_IP, Program.cfg.multi_port);
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CPlusGW.TextQueue.PostItem($"Receive SMS Thread started ");
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}
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// -------------------------------------------------------------------
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// Main
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// -------------------------------------------------------------------
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public void HandleConnection()
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{
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while (true)
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{
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try
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{
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//IPEndPoint object will allow us to read datagrams sent from any source.
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IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
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SafeMobileLib.Utils.WriteLine("Starting SMS Receiving Thread on port " + port, ConsoleColor.Cyan);
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// Blocks until a message returns on this socket from a remote host.
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Byte[] receiveBytes = CPlusGW.smsUDPclient.Receive(ref RemoteIpEndPoint);
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string returnData = Encoding.ASCII.GetString(receiveBytes);
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// Uses the IPEndPoint object to determine which of these two hosts responded.
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SafeMobileLib.Utils.WriteLine("\n--------------------");
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SafeMobileLib.Utils.WriteLine($"SMS Received {receiveBytes.Length} bytes from {RemoteIpEndPoint.Address.ToString()}:{RemoteIpEndPoint.Port.ToString()}");
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/*
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SafeMobileLib.Utils.WriteLine("SMSThRecv(" + port + "): " + LocationThread.Byte2String(receiveBytes, 0, receiveBytes[1] + 2));
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SafeMobileLib.Utils.WriteLine("From " + RemoteIpEndPoint.Address.ToString() +
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":" + RemoteIpEndPoint.Port.ToString());
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*/
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header_T hret = DecodePacket(receiveBytes, RemoteIpEndPoint);
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//we got ACK for message add it to DB
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if ((hret.header == 0xBF) || (hret.header == 0x9F))
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{
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SafeMobileLib.Utils.WriteLine("Got ACK with header:" + hret.header + " with seq_id :" + hret.seq_no, ConsoleColor.Green);
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lock (CPlusGW.waitConfSMSList.SyncRoot)
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{
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int index = -1;
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int count = 0;
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foreach (SMSmsg msg in CPlusGW.waitConfSMSList)
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{
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if (msg.seq_no == hret.seq_no)
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{
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index = count;
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CPlusGW.confSMSQueue.PostItem(msg);
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string test = "#242#1#";
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String cmdok = "#" + msg.DBmsg_id + test;
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Int32 tmp = cmdok.Length + 1;
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tmp += tmp.ToString().Length;
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cmdok = "#" + tmp.ToString() + cmdok;
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System.Text.Encoding enc = System.Text.Encoding.ASCII;
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byte[] buf = enc.GetBytes(cmdok);
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//send SMS ack to message bus
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udpMulticast.Send(buf, buf.Length);
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}
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count++;
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}
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if (index > -1)//we've found the message
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CPlusGW.waitConfSMSList.RemoveAt(index);
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}
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}
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}
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catch (Exception ex)
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{
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SafeMobileLib.Utils.WriteLine("Exception in SMSThread:HandleConnection(): \r\n\tData=" +
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ex.Data + "\r\n\tSource=" +
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ex.Source + "\r\n\tStackTrace=" +
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ex.StackTrace + "\r\n\tMessage=" +
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ex.Message + "\r\n\tInnerException=" +
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ex.InnerException, ConsoleColor.Red);
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}
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} // end while
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}
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// -------------------------------------------------------------------
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// Aux functions
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// -------------------------------------------------------------------
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struct header_T
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{
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public string address;
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public bool ext, ext2, ack, cntl;
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public byte pdu_type;
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public byte seq_no;
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public byte encoding;
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public byte header;
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}
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header_T DecodePacket(Byte[] data, IPEndPoint RemoteIpEndPoint)
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{
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header_T hret = new header_T();
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int i, j, pdata;
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//Console.WriteLine("--------------------");
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pdata = (int)data[0];
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pdata <<= 8;
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pdata |= (int)data[1];
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// parse header
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int header = data[2];
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hret.header = data[2];
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//Console.WriteLine("Header: " + header.ToString("X"));
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if ((header & 0x80) != 0)
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hret.ext = true;
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else hret.ext = false;
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if ((header & 0x40) != 0)
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{
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hret.ack = true;
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}
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else hret.ack = false;
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if ((header & 0x10) != 0)
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hret.cntl = true;
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else hret.cntl = false; // txt message
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hret.pdu_type = (byte)(header & 0x0f);
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// parse address
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int addrsize = data[3];
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i = 4;
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//remove second byte of encoding( ex: "1" is ecncoded 0x31 0x00)
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string adrs = "";
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for (int ind = i; ind < addrsize + 2; ind += 2)
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{
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adrs += Encoding.UTF8.GetString(new byte[] { data[ind] });
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}
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hret.address = adrs;
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//SafeMobileLib.Utils.WriteLine("Address: " + adrs);
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for (j = 0; j < addrsize; j++)
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{
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//Console.Write(data[i + j].ToString("X"));
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}
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i += j;
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string suid = hret.address.Split('.')[0];
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// parse rest of headers
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if (hret.ext)
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{
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byte h2 = data[i];
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if ((h2 & 0x80) != 0)
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hret.ext2 = true;
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else hret.ext2 = false;
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hret.seq_no = (byte)(h2 & 0x1F);
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i++;
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if (hret.ext2)
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{ // parse third header
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byte seqNr_MSB = (byte)(data[i] & 0x60);
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hret.seq_no += seqNr_MSB;
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hret.encoding = (byte)(data[i] & 0x0f);
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i++;
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}
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}
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if (hret.ack)
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{
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Thread.Sleep(500);
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// The client needs an ACK
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//string addrs = "10000.4@tserv<mailto:" + suid + ".1>";
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string addrs = "10000.4<mailto:" + suid + ".1>";
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int addrs_len = addrs.Length;
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// The client needs an ACK
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byte extension_header = 0;
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if (hret.seq_no > 0x1F)
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extension_header = 1;
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Byte[] sendBytes = new Byte[5 + addrs_len * 2 + extension_header];
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sendBytes[0] = 0x00; // len (2B)
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sendBytes[1] = (byte)(3 + addrs_len * 2 + extension_header);
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sendBytes[2] = 0xBF; // first header (req)
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sendBytes[3] = (byte)(addrs_len * 2); // addr size
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for (int indx = 0; indx < addrs_len; indx++)
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{
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sendBytes[4 + indx * 2] = (byte)addrs[indx];
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sendBytes[4 + indx * 2 + 1] = 0;
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}
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sendBytes[4 + addrs_len * 2] = (byte)(hret.seq_no & 0x1F); // 2nd header (opt)
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if (extension_header == 1)
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{
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sendBytes[4 + addrs_len * 2] += 0x80; //added the extension header info
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sendBytes[4 + addrs_len * 2 + 1] = (byte)(hret.seq_no & 0x60);
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}
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SafeMobileLib.Utils.WriteLine("<22><><EFBFBD> SMSReceiveThread ACK sent address: " + addrs + "seq_id: " + hret.seq_no, ConsoleColor.White);
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//MotoTRBOGW.smsUDPclient.Send(sendBytes, sendBytes[1] + 2, new IPEndPoint(IPAddress.Parse(MotoTRBOGW.cfg.ctrlIP), Convert.ToInt32(MotoTRBOGW.cfg.smsPort)));
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UdpClient uc = new UdpClient();
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uc.Send(sendBytes, sendBytes[1] + 2, new IPEndPoint(IPAddress.Parse(Program.cfg.ctrlIP), Convert.ToInt32(Program.cfg.smsPort)));
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CPlusGW.smsUDPclient.Send(sendBytes, sendBytes[1] + 2, RemoteIpEndPoint);
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SafeMobileLib.Utils.WriteLine($"<22><><EFBFBD> SMS ACK sent to {Program.cfg.ctrlIP}:{Program.cfg.smsPort}", ConsoleColor.White);
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}
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int crc = 0;
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if ((! hret.cntl) && (hret.pdu_type==0))
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{ // the rest is the txt message
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//Console.Write("SMS Message: ");
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Char[] cs = new Char[100];
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int k;
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for (j = i, k = 0; j < pdata + 2; j++)
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{
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//Console.Write(" 0x" + data[j].ToString("X"));
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if (data[j] != 0)
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{
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cs[k++] = (Char)data[j];
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crc |= (Char)data[j];
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}
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}
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//Console.WriteLine();
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// save message in inbox ht
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string s = new string(cs, 0, k);
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s.Replace("\r\n", "");
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s = s.Replace(System.Environment.NewLine, string.Empty);
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SafeMobileLib.Utils.WriteLine("Message [" + s + "]" + " from unit " + suid, ConsoleColor.Green);
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if (s.StartsWith("Rfid"))
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{
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string rfid_string = new string(cs, 4, s.Length - 4);
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Console.WriteLine("RFID detected:" + rfid_string);
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OC4Jrfid rfid = new OC4Jrfid();
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rfid.suid = suid;
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rfid.rfid = rfid_string;
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//MotoTRBOGW.DBQueueRFID.PostItem(rfid);
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}
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else
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{
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CPlusGW.TextQueue.PostItem("SMS received from unit:" + suid );
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//send SMS
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string seqID = "1." + GetSecondsLocalFromDT(DateTime.Now).ToString() + DateTime.Now.Millisecond.ToString();
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string test = "#132#" + suid + "#" + s + "#hyt#";
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String cmdok = "#" + seqID + test; Int32 tmp = cmdok.Length + 1; tmp += tmp.ToString().Length; cmdok = "#" + tmp.ToString() + cmdok;
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System.Text.Encoding enc = System.Text.Encoding.ASCII;
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byte[] buf = enc.GetBytes(cmdok);
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//send to messagebus
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udpMulticast.Send(buf, buf.Length);
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}
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}
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//Console.WriteLine("i=" + i);
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SafeMobileLib.Utils.WriteLine("--------------------");
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return hret;
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}
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public static Int32 GetSecondsLocalFromDT(DateTime param)
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{
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System.DateTime datetime = param;
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long nOfSeconds;
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System.DateTime dt70 = new DateTime(1970, 1, 1, 0, 0, 0, 0);
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System.DateTime dttmp1 = new DateTime(1970, 1, 1, 0, 0, 0, 0);
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System.DateTime dttmp2;
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dttmp2 = dttmp1.ToLocalTime();
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TimeSpan span2 = dttmp2 - dttmp1;
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TimeSpan span = datetime - dt70;
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//nOfSeconds = (long)span.TotalSeconds - (long)span2.TotalSeconds -3600; //mai scot o ora - 3600
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if (System.TimeZone.CurrentTimeZone.IsDaylightSavingTime(param)) nOfSeconds = (long)span.TotalSeconds - (long)span2.TotalSeconds - 3600; //mai scot o ora - 3600
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else nOfSeconds = (long)span.TotalSeconds - (long)span2.TotalSeconds;
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return ((Int32)nOfSeconds);
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}
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}
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}
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