1 | /* -------------------------------------------------------------------------
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2 | * BKG NTRIP Server
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3 | * -------------------------------------------------------------------------
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4 | *
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5 | * Class: bnscaster
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6 | *
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7 | * Purpose: Connection to NTRIP Caster
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8 | *
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9 | * Author: L. Mervart
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10 | *
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11 | * Created: 27-Aug-2008
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12 | *
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13 | * Changes:
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14 | *
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15 | * -----------------------------------------------------------------------*/
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16 |
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17 | #include <math.h>
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18 | #include "bnscaster.h"
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19 |
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20 | using namespace std;
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21 |
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22 | // Constructor
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23 | ////////////////////////////////////////////////////////////////////////////
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24 | t_bnscaster::t_bnscaster(const QString& mountpoint) {
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25 | _mountpoint = mountpoint;
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26 | _outSocketOpenTrial = 0;
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27 | }
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28 |
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29 | // Destructor
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30 | ////////////////////////////////////////////////////////////////////////////
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31 | t_bnscaster::~t_bnscaster() {
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32 | delete _outSocket;
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33 | }
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34 |
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35 | // Start the Communication with NTRIP Caster
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36 | ////////////////////////////////////////////////////////////////////////////
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37 | void t_bnscaster::open() {
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38 |
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39 | if (_outSocket != 0 &&
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40 | _outSocket->state() == QAbstractSocket::ConnectedState) {
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41 | return;
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42 | }
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43 |
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44 | delete _outSocket; _outSocket = 0;
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45 |
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46 | double minDt = exp2(_outSocketOpenTrial);
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47 | if (++_outSocketOpenTrial > 8) {
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48 | _outSocketOpenTrial = 8;
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49 | }
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50 | if (_outSocketOpenTime.isValid() &&
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51 | _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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52 | return;
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53 | }
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54 | else {
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55 | _outSocketOpenTime = QDateTime::currentDateTime();
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56 | }
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57 |
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58 | QSettings settings;
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59 | _outSocket = new QTcpSocket();
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60 | _outSocket->connectToHost(settings.value("outHost").toString(),
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61 | settings.value("outPort").toInt());
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62 |
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63 | const int timeOut = 100; // 0.1 seconds
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64 | if (!_outSocket->waitForConnected(timeOut)) {
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65 | delete _outSocket;
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66 | _outSocket = 0;
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67 | emit(error("bns::openCaster Connect Timeout"));
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68 | return;
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69 | }
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70 |
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71 | QString password = settings.value("password").toString();
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72 |
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73 | QByteArray msg = "SOURCE " + password.toAscii() + " /" +
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74 | _mountpoint.toAscii() + "\r\n" +
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75 | "Source-Agent: NTRIP BNS/1.0\r\n\r\n";
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76 |
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77 | _outSocket->write(msg);
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78 | _outSocket->waitForBytesWritten();
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79 |
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80 | _outSocket->waitForReadyRead();
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81 | QByteArray ans = _outSocket->readLine();
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82 |
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83 | if (ans.indexOf("OK") == -1) {
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84 | delete _outSocket;
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85 | _outSocket = 0;
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86 | emit(newMessage("bns::openCaster socket deleted"));
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87 | }
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88 | else {
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89 | emit(newMessage("bns::openCaster socket OK"));
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90 | _outSocketOpenTrial = 0;
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91 | }
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92 | }
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93 |
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94 | // Write buffer
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95 | ////////////////////////////////////////////////////////////////////////////
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96 | void t_bnscaster::write(char* buffer, unsigned len) {
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97 | if (_outSocket) {
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98 | _outSocket->write(buffer, len);
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99 | _outSocket->flush();
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100 | }
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101 | }
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