source: ntrip/trunk/BNC/src/bncnetqueryv0.cpp@ 6787

Last change on this file since 6787 was 6787, checked in by stuerze, 7 years ago

add keep-alive request to send gga message in ntrip version 1 mode without interruption

File size: 3.2 KB
Line 
1/* -------------------------------------------------------------------------
2 * BKG NTRIP Client
3 * -------------------------------------------------------------------------
4 *
5 * Class: bncNetQueryV0
6 *
7 * Purpose: TCP/IP Network Requests, no NTRIP
8 *
9 * Author: G. Weber
10 *
11 * Created: 19-Feb-2009
12 *
13 * Changes:
14 *
15 * -----------------------------------------------------------------------*/
16
17#include <iostream>
18#include <iomanip>
19
20#include "bncnetqueryv0.h"
21#include "bncsettings.h"
22#include "bncversion.h"
23
24using namespace std;
25
26// Constructor
27////////////////////////////////////////////////////////////////////////////
28bncNetQueryV0::bncNetQueryV0() {
29 _socket = 0;
30 _timeOut = 120000;
31}
32
33// Destructor
34////////////////////////////////////////////////////////////////////////////
35bncNetQueryV0::~bncNetQueryV0() {
36 delete _socket;
37}
38
39//
40////////////////////////////////////////////////////////////////////////////
41void bncNetQueryV0::stop() {
42#ifndef sparc
43 if (_socket) {
44 _socket->abort();
45 }
46#endif
47 _status = finished;
48}
49
50//
51////////////////////////////////////////////////////////////////////////////
52void bncNetQueryV0::waitForRequestResult(const QUrl&, QByteArray&) {
53}
54
55//
56////////////////////////////////////////////////////////////////////////////
57void bncNetQueryV0::waitForReadyRead(QByteArray& outData) {
58 if (_socket && _socket->state() == QAbstractSocket::ConnectedState) {
59 while (true) {
60 int nBytes = _socket->bytesAvailable();
61 if (nBytes > 0) {
62 outData = _socket->readAll();
63 return;
64 }
65 else if (!_socket->waitForReadyRead(_timeOut)) {
66 delete _socket;
67 _socket = 0;
68 _status = error;
69 emit newMessage(_url.path().toAscii() + " read timeout", true);
70 return;
71 }
72 }
73 }
74}
75
76// Connect to Caster, send the Request
77////////////////////////////////////////////////////////////////////////////
78void bncNetQueryV0::startRequest(const QUrl& url, const QByteArray& /* gga */) {
79
80 _status = running;
81
82 delete _socket;
83 _socket = new QTcpSocket();
84
85 // Default scheme and path
86 // -----------------------
87 _url = url;
88 if (_url.scheme().isEmpty()) {
89 _url.setScheme("http");
90 }
91 if (_url.path().isEmpty()) {
92 _url.setPath("/");
93 }
94
95 // Connect the Socket
96 // ------------------
97 bncSettings settings;
98
99 _socket->connectToHost(_url.host(), _url.port());
100 if (!_socket->waitForConnected(_timeOut)) {
101 delete _socket;
102 _socket = 0;
103 _status = error;
104 emit(newMessage(_url.path().toAscii().replace(0,1,"")
105 + ": Connect timeout, reconnecting", true));
106 return;
107 }
108
109 // Read Caster Response
110 // --------------------
111 QStringList response;
112 while (true) {
113 if (!_socket->waitForReadyRead(_timeOut)) {
114 delete _socket;
115 _socket = 0;
116 _status = error;
117 emit newMessage(_url.path().toAscii().replace(0,1,"")
118 + ": Read timeout", true);
119 return;
120 }
121 if (_socket->canReadLine()) {
122 QString line = _socket->readLine();
123 response.push_back(line);
124 response.clear();
125 break;
126 }
127 }
128}
129
130void bncNetQueryV0::keepAliveRequest(const QUrl& /* url */, const QByteArray& /* gga */) {
131}
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