| 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: bncUploadCaster
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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: 29-Mar-2011
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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 "bncuploadcaster.h"
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| 19 | #include "bncsettings.h"
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| 20 | #include "bncversion.h"
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| 21 | #include "bncapp.h"
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| 22 |
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| 23 | using namespace std;
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| 24 |
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| 25 | // Constructor
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| 26 | ////////////////////////////////////////////////////////////////////////////
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| 27 | bncUploadCaster::bncUploadCaster(const QString& mountpoint,
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| 28 | const QString& outHost, int outPort,
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| 29 | const QString& password,
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| 30 | const QString& outFileName) {
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| 31 |
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| 32 | bncSettings settings;
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| 33 |
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| 34 | _mountpoint = mountpoint;
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| 35 | _outHost = outHost;
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| 36 | _outPort = outPort;
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| 37 | _password = password;
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| 38 |
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| 39 | _outSocket = 0;
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| 40 | _sOpenTrial = 0;
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| 41 |
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| 42 | if (outFileName.isEmpty()) {
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| 43 | _outFile = 0;
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| 44 | _outStream = 0;
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| 45 | }
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| 46 | else {
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| 47 | _outFile = new QFile(outFileName);
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| 48 | QIODevice::OpenMode oMode;
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| 49 | if (Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
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| 50 | oMode = QIODevice::WriteOnly | QIODevice::Unbuffered | QIODevice::Append;
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| 51 | }
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| 52 | else {
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| 53 | oMode = QIODevice::WriteOnly | QIODevice::Unbuffered;
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| 54 | }
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| 55 |
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| 56 | if (_outFile->open(oMode)) {
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| 57 | _outStream = new QTextStream(_outFile);
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| 58 | }
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| 59 | }
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| 60 | connect(this, SIGNAL(newMessage(QByteArray,bool)),
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| 61 | ((bncApp*)qApp), SLOT(slotMessage(const QByteArray,bool)));
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| 62 | }
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| 63 |
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| 64 | // Destructor
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| 65 | ////////////////////////////////////////////////////////////////////////////
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| 66 | bncUploadCaster::~bncUploadCaster() {
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| 67 | delete _outSocket;
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| 68 | delete _outStream;
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| 69 | delete _outFile;
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| 70 | }
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| 71 |
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| 72 | // Start the Communication with NTRIP Caster
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| 73 | ////////////////////////////////////////////////////////////////////////////
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| 74 | void bncUploadCaster::open() {
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| 75 |
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| 76 | if (_mountpoint.isEmpty()) {
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| 77 | return;
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| 78 | }
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| 79 |
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| 80 | if (_outSocket != 0 &&
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| 81 | _outSocket->state() == QAbstractSocket::ConnectedState) {
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| 82 | return;
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| 83 | }
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| 84 |
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| 85 | delete _outSocket; _outSocket = 0;
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| 86 |
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| 87 | double minDt = pow(2.0,_sOpenTrial);
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| 88 | if (++_sOpenTrial > 4) {
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| 89 | _sOpenTrial = 4;
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| 90 | }
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| 91 | if (_outSocketOpenTime.isValid() &&
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| 92 | _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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| 93 | return;
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| 94 | }
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| 95 | else {
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| 96 | _outSocketOpenTime = QDateTime::currentDateTime();
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| 97 | }
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| 98 |
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| 99 | bncSettings settings;
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| 100 | _outSocket = new QTcpSocket();
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| 101 | _outSocket->connectToHost(_outHost, _outPort);
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| 102 |
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| 103 | const int timeOut = 5000; // 5 seconds
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| 104 | if (!_outSocket->waitForConnected(timeOut)) {
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| 105 | delete _outSocket;
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| 106 | _outSocket = 0;
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| 107 | emit(newMessage("Broadcaster: Connect timeout"));
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| 108 | return;
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| 109 | }
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| 110 |
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| 111 | QByteArray msg = "SOURCE " + _password.toAscii() + " /" +
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| 112 | _mountpoint.toAscii() + "\r\n" +
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| 113 | "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
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| 114 |
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| 115 | _outSocket->write(msg);
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| 116 | _outSocket->waitForBytesWritten();
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| 117 |
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| 118 | _outSocket->waitForReadyRead();
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| 119 | QByteArray ans = _outSocket->readLine();
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| 120 |
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| 121 | if (ans.indexOf("OK") == -1) {
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| 122 | delete _outSocket;
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| 123 | _outSocket = 0;
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| 124 | emit(newMessage("Broadcaster: Connection broken"));
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| 125 | }
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| 126 | else {
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| 127 | emit(newMessage("Broadcaster: Connection opened"));
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| 128 | _sOpenTrial = 0;
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| 129 | }
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| 130 | }
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| 131 |
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| 132 | // Write buffer
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| 133 | ////////////////////////////////////////////////////////////////////////////
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| 134 | void bncUploadCaster::write(char* buffer, unsigned len) {
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| 135 | if (_outSocket) {
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| 136 | _outSocket->write(buffer, len);
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| 137 | _outSocket->flush();
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | // Print Ascii Output
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| 142 | ////////////////////////////////////////////////////////////////////////////
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| 143 | void bncUploadCaster::printAscii(const QString& line) {
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| 144 | if (_outStream) {
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| 145 | *_outStream << line;
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| 146 | _outStream->flush();
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| 147 | }
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| 148 | }
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