[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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[65] | 23 |
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[35] | 24 | #include "RTCM/RTCM.h"
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[65] | 25 | #include "RTCM3/rtcm3.h"
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[61] | 26 | #include "RTIGS/rtigs.h"
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[35] | 27 |
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| 28 | using namespace std;
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| 29 |
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[36] | 30 | const int timeOut = 30*1000;
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[35] | 31 |
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| 32 | // Constructor
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| 33 | ////////////////////////////////////////////////////////////////////////////
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| 34 | bncGetThread::bncGetThread(const QString& host, int port,
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| 35 | const QString& proxyHost, int proxyPort,
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| 36 | const QByteArray& mountPoint,
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| 37 | const QByteArray& user,
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[59] | 38 | const QByteArray& password,
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| 39 | const QByteArray& format) {
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[35] | 40 | _host = host;
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| 41 | _port = port;
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| 42 | _proxyHost = proxyHost;
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| 43 | _proxyPort = proxyPort;
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| 44 | _mountPoint = mountPoint;
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| 45 | _user = user;
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| 46 | _password = password;
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[59] | 47 | _format = format;
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[35] | 48 | _socket = 0;
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| 49 | }
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| 50 |
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| 51 | // Destructor
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| 52 | ////////////////////////////////////////////////////////////////////////////
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| 53 | bncGetThread::~bncGetThread() {
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| 54 | delete _socket;
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| 55 | }
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| 56 |
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| 57 | // Connect to Caster, send the Request (static)
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| 58 | ////////////////////////////////////////////////////////////////////////////
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| 59 | QTcpSocket* bncGetThread::request(const QString& host, int port,
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| 60 | const QString& proxyHost, int proxyPort,
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| 61 | const QByteArray& mountPoint,
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| 62 | const QByteArray& user,
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[82] | 63 | const QByteArray& password,
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| 64 | QString& msg) {
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[35] | 65 |
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[82] | 66 | msg.clear();
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| 67 |
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[35] | 68 | QTcpSocket* socket = new QTcpSocket();
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| 69 |
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| 70 | QByteArray l_mountPoint = mountPoint;
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| 71 |
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| 72 | if ( proxyHost.isEmpty() ) {
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| 73 | socket->connectToHost(host, port);
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| 74 | }
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| 75 | else {
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| 76 | socket->connectToHost(proxyHost, proxyPort);
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| 77 | if (!proxyHost.isEmpty()) {
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| 78 | QUrl proxyUrl;
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| 79 | proxyUrl.setScheme("http");
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| 80 | proxyUrl.setHost(host);
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| 81 | proxyUrl.setPort(port);
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| 82 | l_mountPoint = proxyUrl.resolved(QUrl(mountPoint)).toEncoded();
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | if (!socket->waitForConnected(timeOut)) {
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[82] | 87 | msg += "Connect timeout\n";
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[35] | 88 | delete socket;
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| 89 | return 0;
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| 90 | }
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| 91 |
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| 92 | // Send Request
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| 93 | // ------------
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| 94 | QByteArray userAndPwd = user + ":" + password;
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| 95 | QByteArray reqStr = "GET " + l_mountPoint + " HTTP/1.0\r\n"
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| 96 | "User-Agent: NTRIP BNC 1.0\r\n"
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| 97 | "Authorization: Basic " + userAndPwd.toBase64() +
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| 98 | "\r\n\r\n";
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| 99 |
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[82] | 100 | msg += reqStr;
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[35] | 101 |
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| 102 | socket->write(reqStr, reqStr.length());
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| 103 |
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| 104 | if (!socket->waitForBytesWritten(timeOut)) {
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[82] | 105 | msg += "Write timeout\n";
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[35] | 106 | delete socket;
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| 107 | return 0;
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| 108 | }
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| 109 |
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| 110 | return socket;
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| 111 | }
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| 112 |
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| 113 | // Run
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| 114 | ////////////////////////////////////////////////////////////////////////////
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| 115 | void bncGetThread::run() {
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| 116 |
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| 117 | // Send the Request
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| 118 | // ----------------
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[82] | 119 | QString msg;
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[35] | 120 | _socket = bncGetThread::request(_host, _port, _proxyHost, _proxyPort,
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[82] | 121 | _mountPoint, _user, _password, msg);
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| 122 | emit(newMessage(msg.toAscii()));
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| 123 |
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[35] | 124 | if (!_socket) {
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| 125 | return exit(1);
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| 126 | }
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| 127 |
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| 128 | // Read Caster Response
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| 129 | // --------------------
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| 130 | _socket->waitForReadyRead(timeOut);
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| 131 | if (_socket->canReadLine()) {
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| 132 | QString line = _socket->readLine();
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| 133 | if (line.indexOf("ICY 200 OK") != 0) {
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[82] | 134 | emit(newMessage(("Wrong Caster Response:\n" + line).toAscii()));
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[35] | 135 | return exit(1);
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| 136 | }
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| 137 | }
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| 138 | else {
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[82] | 139 | emit(newMessage("Response Timeout"));
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[35] | 140 | return exit(1);
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| 141 | }
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| 142 |
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| 143 | // Instantiate the filter
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| 144 | // ----------------------
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[61] | 145 | GPSDecoder* decoder;
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[35] | 146 |
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[60] | 147 | if (_format.indexOf("RTCM_2") != -1) {
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[82] | 148 | emit(newMessage("Get Data: " + _mountPoint + " in RTCM 2.x format"));
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[61] | 149 | decoder = new RTCM('A',true);
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[60] | 150 | }
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| 151 | else if (_format.indexOf("RTCM_3") != -1) {
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[82] | 152 | emit(newMessage("Get Data: " + _mountPoint + " in RTCM 3.0 format"));
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[65] | 153 | decoder = new rtcm3();
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[60] | 154 | }
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| 155 | else if (_format.indexOf("RTIGS") != -1) {
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[82] | 156 | emit(newMessage("Get Data: " + _mountPoint + " in RTIGS format"));
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[61] | 157 | decoder = new rtigs();
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[60] | 158 | }
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| 159 | else {
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[82] | 160 | emit(newMessage(_mountPoint + " Unknown data format " + _format));
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[60] | 161 | return exit(1);
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| 162 | }
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[59] | 163 |
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[35] | 164 | // Read Incoming Data
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| 165 | // ------------------
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| 166 | while (true) {
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| 167 | _socket->waitForReadyRead(timeOut);
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| 168 | qint64 nBytes = _socket->bytesAvailable();
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| 169 | if (nBytes > 0) {
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| 170 | char* data = new char[nBytes];
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| 171 | _socket->read(data, nBytes);
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[61] | 172 | decoder->Decode(data, nBytes);
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[35] | 173 | delete data;
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[61] | 174 | for (list<Observation*>::iterator it = decoder->m_lObsList.begin();
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| 175 | it != decoder->m_lObsList.end(); it++) {
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[35] | 176 | emit newObs(_mountPoint, *it);
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| 177 | }
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[61] | 178 | decoder->m_lObsList.clear();
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[35] | 179 | }
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| 180 | else {
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[82] | 181 | emit(newMessage("Data Timeout"));
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[35] | 182 | return exit(1);
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| 183 | }
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| 184 | }
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[61] | 185 | delete decoder;
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[35] | 186 | }
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| 187 |
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| 188 | // Exit
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| 189 | ////////////////////////////////////////////////////////////////////////////
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| 190 | void bncGetThread::exit(int exitCode) {
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| 191 | if (exitCode!= 0) {
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| 192 | emit error(_mountPoint);
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| 193 | }
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| 194 | QThread::exit(exitCode);
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| 195 | }
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[82] | 196 |
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