[2925] | 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: cmbCaster
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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-Jan-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 "cmbcaster.h"
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| 19 | #include "bncsettings.h"
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| 20 | #include "bncversion.h"
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| 21 |
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| 22 | using namespace std;
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| 23 |
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| 24 | // Constructor
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| 25 | ////////////////////////////////////////////////////////////////////////////
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| 26 | cmbCaster::cmbCaster() {
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| 27 | bncSettings settings;
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| 28 | _mountpoint = settings.value("cmbMountpoint").toString();
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| 29 | _outSocket = 0;
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| 30 | _sOpenTrial = 0;
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| 31 | }
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| 32 |
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| 33 | // Destructor
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| 34 | ////////////////////////////////////////////////////////////////////////////
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| 35 | cmbCaster::~cmbCaster() {
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| 36 | delete _outSocket;
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| 37 | }
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| 38 |
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| 39 | // Start the Communication with NTRIP Caster
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| 40 | ////////////////////////////////////////////////////////////////////////////
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| 41 | void cmbCaster::open() {
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| 42 |
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| 43 | if (_mountpoint.isEmpty()) {
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| 44 | return;
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| 45 | }
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| 46 |
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| 47 | if (_outSocket != 0 &&
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| 48 | _outSocket->state() == QAbstractSocket::ConnectedState) {
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| 49 | return;
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| 50 | }
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| 51 |
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| 52 | delete _outSocket; _outSocket = 0;
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| 53 |
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| 54 | double minDt = pow(2.0,_sOpenTrial);
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| 55 | if (++_sOpenTrial > 4) {
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| 56 | _sOpenTrial = 4;
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| 57 | }
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| 58 | if (_outSocketOpenTime.isValid() &&
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| 59 | _outSocketOpenTime.secsTo(QDateTime::currentDateTime()) < minDt) {
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| 60 | return;
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| 61 | }
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| 62 | else {
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| 63 | _outSocketOpenTime = QDateTime::currentDateTime();
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| 64 | }
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| 65 |
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| 66 | bncSettings settings;
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| 67 | _outSocket = new QTcpSocket();
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| 68 | QString password;
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| 69 | _outSocket->connectToHost(settings.value("cmbOutHost").toString(),
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| 70 | settings.value("cmbOutPort").toInt());
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| 71 | password = settings.value("cmbPassword").toString();
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| 72 |
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| 73 | const int timeOut = 5000; // 5 seconds
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| 74 | if (!_outSocket->waitForConnected(timeOut)) {
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| 75 | delete _outSocket;
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| 76 | _outSocket = 0;
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| 77 | emit(newMessage("Broadcaster: Connect timeout"));
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| 78 | return;
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| 79 | }
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| 80 |
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| 81 | QByteArray msg = "SOURCE " + password.toAscii() + " /" +
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| 82 | _mountpoint.toAscii() + "\r\n" +
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| 83 | "Source-Agent: NTRIP BNC/" BNCVERSION "\r\n\r\n";
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| 84 |
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| 85 | _outSocket->write(msg);
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| 86 | _outSocket->waitForBytesWritten();
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| 87 |
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| 88 | _outSocket->waitForReadyRead();
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| 89 | QByteArray ans = _outSocket->readLine();
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| 90 |
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| 91 | if (ans.indexOf("OK") == -1) {
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| 92 | delete _outSocket;
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| 93 | _outSocket = 0;
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| 94 | emit(newMessage("Broadcaster: Connection broken"));
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| 95 | }
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| 96 | else {
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| 97 | emit(newMessage("Broadcaster: Connection opened"));
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| 98 | _sOpenTrial = 0;
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| 99 | }
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| 100 | }
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| 101 |
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| 102 | // Write buffer
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| 103 | ////////////////////////////////////////////////////////////////////////////
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| 104 | void cmbCaster::write(char* buffer, unsigned len) {
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| 105 | if (_outSocket) {
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| 106 | _outSocket->write(buffer, len);
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| 107 | _outSocket->flush();
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| 108 | }
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| 109 | }
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