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 | #include "bnssettings.h"
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20 |
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21 | using namespace std;
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22 |
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23 | // Constructor
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24 | ////////////////////////////////////////////////////////////////////////////
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25 | t_bnscaster::t_bnscaster(const QString& mountpoint, const QString& outFileName,
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26 | const QString& refSys, const int ic) {
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27 |
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28 | _mountpoint = mountpoint;
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29 | _outSocket = 0;
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30 | _outSocketOpenTrial = 0;
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31 | _ic = ic;
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32 |
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33 | bnsSettings settings;
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34 |
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35 | QIODevice::OpenMode oMode;
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36 | if (Qt::CheckState(settings.value("fileAppend").toInt()) == Qt::Checked) {
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37 | oMode = QIODevice::WriteOnly | QIODevice::Unbuffered | QIODevice::Append;
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38 | }
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39 | else {
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40 | oMode = QIODevice::WriteOnly | QIODevice::Unbuffered;
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41 | }
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42 |
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43 | if (outFileName.isEmpty()) {
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44 | _outFile = 0;
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45 | _outStream = 0;
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46 | }
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47 | else {
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48 | _outFile = new QFile(outFileName);
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49 | if (_outFile->open(oMode)) {
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50 | _outStream = new QTextStream(_outFile);
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51 | }
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52 | }
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53 |
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54 | // Reference frame
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55 | // ---------------
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56 | _crdTrafo = false;
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57 | if (refSys == "ETRF2000") {
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58 | _crdTrafo = true;
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59 | }
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60 | }
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61 |
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62 | // Destructor
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63 | ////////////////////////////////////////////////////////////////////////////
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64 | t_bnscaster::~t_bnscaster() {
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65 | delete _outSocket;
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66 | delete _outStream;
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67 | delete _outFile;
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68 | }
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69 |
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70 | // Start the Communication with NTRIP Caster
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71 | ////////////////////////////////////////////////////////////////////////////
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72 | void t_bnscaster::open() {
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73 |
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74 | if (_mountpoint.isEmpty()) {
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75 | return;
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76 | }
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77 |
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78 | if (_outSocket != 0 &&
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79 | _outSocket->state() == QAbstractSocket::ConnectedState) {
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80 | return;
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81 | }
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82 |
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83 | delete _outSocket; _outSocket = 0;
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84 |
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85 | double minDt = pow(2.0,_outSocketOpenTrial);
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86 | if (++_outSocketOpenTrial > 8) {
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87 | _outSocketOpenTrial = 8;
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88 | }
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89 | if (_outSocketOpenTime.isValid() &&
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90 | _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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91 | return;
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92 | }
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93 | else {
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94 | _outSocketOpenTime = QDateTime::currentDateTime();
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95 | }
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96 |
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97 | bnsSettings settings;
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98 | _outSocket = new QTcpSocket();
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99 | QString password;
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100 | if (_ic == 1) {
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101 | _outSocket->connectToHost(settings.value("outHost1").toString(),
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102 | settings.value("outPort1").toInt());
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103 | password = settings.value("password1").toString();
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104 | }
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105 | if (_ic == 2) {
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106 | _outSocket->connectToHost(settings.value("outHost2").toString(),
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107 | settings.value("outPort2").toInt());
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108 | password = settings.value("password2").toString();
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109 | }
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110 |
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111 | const int timeOut = 5000; // 5 seconds
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112 | if (!_outSocket->waitForConnected(timeOut)) {
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113 | delete _outSocket;
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114 | _outSocket = 0;
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115 | emit(error("Broadcaster: Connect timeout"));
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116 | return;
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117 | }
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118 |
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119 | QByteArray msg = "SOURCE " + password.toAscii() + " /" +
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120 | _mountpoint.toAscii() + "\r\n" +
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121 | "Source-Agent: NTRIP BNS/1.0\r\n\r\n";
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122 |
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123 | _outSocket->write(msg);
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124 | _outSocket->waitForBytesWritten();
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125 |
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126 | _outSocket->waitForReadyRead();
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127 | QByteArray ans = _outSocket->readLine();
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128 |
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129 | if (ans.indexOf("OK") == -1) {
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130 | delete _outSocket;
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131 | _outSocket = 0;
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132 | // emit(newMessage("t_bnscaster::open socket deleted"));
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133 | emit(newMessage("Broadcaster: Connection broken")); // weber
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134 | }
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135 | else {
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136 | // emit(newMessage("t_bnscaster::open socket OK"));
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137 | emit(newMessage("Broadcaster: Connection opened")); // weber
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138 | _outSocketOpenTrial = 0;
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139 | }
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140 | }
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141 |
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142 | // Write buffer
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143 | ////////////////////////////////////////////////////////////////////////////
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144 | void t_bnscaster::write(char* buffer, unsigned len) {
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145 | if (_outSocket) {
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146 | _outSocket->write(buffer, len);
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147 | _outSocket->flush();
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148 | }
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149 | }
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150 |
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151 | // Print Ascii Output
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152 | ////////////////////////////////////////////////////////////////////////////
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153 | void t_bnscaster::printAscii(const QString& line) {
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154 | if (_outStream) {
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155 | *_outStream << line;
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156 | _outStream->flush();
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157 | }
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158 | }
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