[35] | 1 |
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| 2 | /* -------------------------------------------------------------------------
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| 3 | * Bernese NTRIP Client
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| 4 | * -------------------------------------------------------------------------
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| 5 | *
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| 6 | * Class: bncGetThread
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| 7 | *
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| 8 | * Purpose: Thread that retrieves data from NTRIP caster
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| 9 | *
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| 10 | * Author: L. Mervart
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| 11 | *
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| 12 | * Created: 24-Dec-2005
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| 13 | *
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| 14 | * Changes:
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| 15 | *
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| 16 | * -----------------------------------------------------------------------*/
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| 17 |
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| 18 | #include <QFile>
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| 19 | #include <QTextStream>
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| 20 | #include <QtNetwork>
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| 21 |
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| 22 | #include "bncgetthread.h"
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| 23 | #include "RTCM/RTCM.h"
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[61] | 24 | #include "RTIGS/rtigs.h"
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[35] | 25 |
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| 26 | using namespace std;
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| 27 |
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[36] | 28 | const int timeOut = 30*1000;
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[35] | 29 |
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| 30 | // Constructor
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| 31 | ////////////////////////////////////////////////////////////////////////////
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| 32 | bncGetThread::bncGetThread(const QString& host, int port,
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| 33 | const QString& proxyHost, int proxyPort,
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| 34 | const QByteArray& mountPoint,
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| 35 | const QByteArray& user,
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[59] | 36 | const QByteArray& password,
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| 37 | const QByteArray& format) {
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[35] | 38 | _host = host;
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| 39 | _port = port;
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| 40 | _proxyHost = proxyHost;
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| 41 | _proxyPort = proxyPort;
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| 42 | _mountPoint = mountPoint;
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| 43 | _user = user;
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| 44 | _password = password;
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[59] | 45 | _format = format;
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[35] | 46 | _socket = 0;
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| 47 | }
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| 48 |
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| 49 | // Destructor
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| 50 | ////////////////////////////////////////////////////////////////////////////
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| 51 | bncGetThread::~bncGetThread() {
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| 52 | delete _socket;
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| 53 | }
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| 54 |
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| 55 | // Connect to Caster, send the Request (static)
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| 56 | ////////////////////////////////////////////////////////////////////////////
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| 57 | QTcpSocket* bncGetThread::request(const QString& host, int port,
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| 58 | const QString& proxyHost, int proxyPort,
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| 59 | const QByteArray& mountPoint,
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| 60 | const QByteArray& user,
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| 61 | const QByteArray& password) {
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| 62 |
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| 63 | QTcpSocket* socket = new QTcpSocket();
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| 64 |
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| 65 | QByteArray l_mountPoint = mountPoint;
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| 66 |
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| 67 | if ( proxyHost.isEmpty() ) {
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| 68 | socket->connectToHost(host, port);
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| 69 | }
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| 70 | else {
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| 71 | socket->connectToHost(proxyHost, proxyPort);
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| 72 | if (!proxyHost.isEmpty()) {
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| 73 | QUrl proxyUrl;
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| 74 | proxyUrl.setScheme("http");
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| 75 | proxyUrl.setHost(host);
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| 76 | proxyUrl.setPort(port);
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| 77 | l_mountPoint = proxyUrl.resolved(QUrl(mountPoint)).toEncoded();
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| 78 | }
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| 79 | }
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| 80 |
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| 81 | if (!socket->waitForConnected(timeOut)) {
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| 82 | qWarning("Connect timeout");
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| 83 | delete socket;
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| 84 | return 0;
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| 85 | }
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| 86 |
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| 87 | // Send Request
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| 88 | // ------------
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| 89 | QByteArray userAndPwd = user + ":" + password;
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| 90 | QByteArray reqStr = "GET " + l_mountPoint + " HTTP/1.0\r\n"
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| 91 | "User-Agent: NTRIP BNC 1.0\r\n"
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| 92 | "Authorization: Basic " + userAndPwd.toBase64() +
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| 93 | "\r\n\r\n";
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| 94 |
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| 95 | qWarning(reqStr);
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| 96 |
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| 97 | socket->write(reqStr, reqStr.length());
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| 98 |
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| 99 | if (!socket->waitForBytesWritten(timeOut)) {
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| 100 | qWarning("Write timeout");
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| 101 | delete socket;
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| 102 | return 0;
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| 103 | }
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| 104 |
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| 105 | return socket;
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| 106 | }
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| 107 |
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| 108 | // Run
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| 109 | ////////////////////////////////////////////////////////////////////////////
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| 110 | void bncGetThread::run() {
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| 111 |
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| 112 | // Send the Request
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| 113 | // ----------------
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| 114 | _socket = bncGetThread::request(_host, _port, _proxyHost, _proxyPort,
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| 115 | _mountPoint, _user, _password);
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| 116 | if (!_socket) {
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| 117 | return exit(1);
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| 118 | }
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| 119 |
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| 120 | // Read Caster Response
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| 121 | // --------------------
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| 122 | _socket->waitForReadyRead(timeOut);
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| 123 | if (_socket->canReadLine()) {
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| 124 | QString line = _socket->readLine();
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| 125 | if (line.indexOf("ICY 200 OK") != 0) {
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| 126 | qWarning(("Wrong Caster Response:\n" + line).toAscii());
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| 127 | return exit(1);
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| 128 | }
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| 129 | }
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| 130 | else {
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| 131 | qWarning("Response Timeout");
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| 132 | return exit(1);
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| 133 | }
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| 134 |
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| 135 | // Instantiate the filter
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| 136 | // ----------------------
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[61] | 137 | GPSDecoder* decoder;
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[35] | 138 |
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[60] | 139 | if (_format.indexOf("RTCM_2") != -1) {
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| 140 | qWarning("Get Data: " + _mountPoint + " in RTCM 2.x format");
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[61] | 141 | decoder = new RTCM('A',true);
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[60] | 142 | }
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| 143 | else if (_format.indexOf("RTCM_3") != -1) {
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| 144 | qWarning("Get Data: " + _mountPoint + " in RTCM 3.0 format");
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| 145 | qWarning("Not yet implemented");
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| 146 | return exit(1);
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| 147 | }
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| 148 | else if (_format.indexOf("RTIGS") != -1) {
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| 149 | qWarning("Get Data: " + _mountPoint + " in RTIGS format");
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[61] | 150 | decoder = new rtigs();
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[60] | 151 | return exit(1);
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| 152 | }
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| 153 | else {
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[61] | 154 | qWarning(_mountPoint + " Unknown data format " + _format);
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[60] | 155 | return exit(1);
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| 156 | }
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[59] | 157 |
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[35] | 158 | // Read Incoming Data
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| 159 | // ------------------
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| 160 | while (true) {
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| 161 | _socket->waitForReadyRead(timeOut);
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| 162 | qint64 nBytes = _socket->bytesAvailable();
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| 163 | if (nBytes > 0) {
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| 164 | char* data = new char[nBytes];
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| 165 | _socket->read(data, nBytes);
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[61] | 166 | decoder->Decode(data, nBytes);
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[35] | 167 | delete data;
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[61] | 168 | for (list<Observation*>::iterator it = decoder->m_lObsList.begin();
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| 169 | it != decoder->m_lObsList.end(); it++) {
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[35] | 170 | emit newObs(_mountPoint, *it);
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| 171 | }
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[61] | 172 | decoder->m_lObsList.clear();
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[35] | 173 | }
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| 174 | else {
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| 175 | qWarning("Data Timeout");
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| 176 | return exit(1);
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| 177 | }
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| 178 | }
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[61] | 179 | delete decoder;
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[35] | 180 | }
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| 181 |
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| 182 | // Exit
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| 183 | ////////////////////////////////////////////////////////////////////////////
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| 184 | void bncGetThread::exit(int exitCode) {
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| 185 | if (exitCode!= 0) {
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| 186 | emit error(_mountPoint);
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| 187 | }
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| 188 | QThread::exit(exitCode);
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| 189 | }
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