source: flair-src/trunk/tools/FlairGCS/src/Manager.cpp@ 260

Last change on this file since 260 was 260, checked in by Sanahuja Guillaume, 3 years ago

gcs: do not use socket if connection lost

File size: 12.0 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#include "Manager.h"
6#include "UdtSocket.h"
7#include "ConnectionLayout.h"
8#include "communication.h"
9#include "file_ui.h"
10#include <QDate>
11#include <QFileDialog>
12#include <QMessageBox>
13#include <QPushButton>
14#include <QTabBar>
15#include <QTimer>
16#include <QThread>
17#include <QTextStream>
18#include <QVBoxLayout>
19#include <QModelIndex>
20#include <QStatusBar>
21#include <qendian.h>
22#include <iostream>
23#include <string>
24#include <fstream>
25#include <stdio.h>
26
27#ifndef WIN32
28#include <arpa/inet.h>
29#else
30#include <winsock2.h>
31#include <ws2tcpip.h>
32#endif
33
34using namespace std;
35
36Manager::Manager(QString name, int port) : QWidget() {
37 qRegisterMetaType<QModelIndex>("QModelIndex"); // pour le file ui??
38 this->name = name;
39//fprintf(stderr,stderr,"Manager %x\n",thread());
40 setWindowTitle(name);
41
42 // manager layout
43 managerLayout = new QVBoxLayout;
44 setLayout(managerLayout);
45
46 // tab bar for multiple connections
47 tabBar = new QTabBar();
48 //tabBar->setTabsClosable(true);
49 managerLayout->addWidget(tabBar);
50 connect(tabBar, SIGNAL(currentChanged(int)), this,
51 SLOT(tabBarCurrentChanged(int)));
52 currentTab = 0;
53
54 // layout boutons
55 button_layout = new QGridLayout();
56 managerLayout->addLayout(button_layout);
57
58 // boutons du button_Layout
59 send_button = new QPushButton("apply all");
60 reset_button = new QPushButton("reset all");
61 load_button = new QPushButton("load all locally");
62 save_button = new QPushButton("save all locally");
63 button_layout->addWidget(send_button, 0, 0);
64 button_layout->addWidget(reset_button, 0, 1);
65 button_layout->addWidget(load_button, 0, 2);
66 button_layout->addWidget(save_button, 0, 3);
67
68 connect(send_button, SIGNAL(clicked(bool)), this, SLOT(send()));
69 connect(reset_button, SIGNAL(clicked(bool)), this, SLOT(reset()));
70 connect(load_button, SIGNAL(clicked(bool)), this, SLOT(load()));
71 connect(save_button, SIGNAL(clicked(bool)), this, SLOT(save()));
72
73 status=new QStatusBar();
74 status->setSizeGripEnabled(false);
75 button_layout->addWidget(status, 1,0);
76
77 UDT::startup();
78 serv = UDT::socket(AF_INET, SOCK_DGRAM, 0);
79
80 // for non blocking accept
81 bool blocking = false;
82 UDT::setsockopt(serv, 0, UDT_RCVSYN, &blocking, sizeof(bool));
83//UDT::setsockopt(serv, 0, UDT_CC, new CCCFactory<CUDPBlast>, sizeof(CCCFactory<CUDPBlast>));
84 sockaddr_in my_addr;
85 my_addr.sin_family = AF_INET;
86 my_addr.sin_port = htons(port);
87 my_addr.sin_addr.s_addr = INADDR_ANY;
88 memset(&(my_addr.sin_zero), '\0', 8);
89
90 if (UDT::ERROR == UDT::bind(serv, (sockaddr *)&my_addr, sizeof(my_addr))) {
91 fprintf(stderr,"bind error, %s\n", UDT::getlasterror().getErrorMessage());
92 }
93
94 if (UDT::ERROR == UDT::listen(serv, 1)) {
95 fprintf(stderr,"listen error, %s\n", UDT::getlasterror().getErrorMessage());
96 }
97
98
99 icon_green = QIcon(":green.png");
100 icon_red = QIcon(":red.png");
101 icon_orange = QIcon(":orange.png");
102
103
104 QTimer *timer = new QTimer(this);
105 connect(timer, SIGNAL(timeout()), this, SLOT(acceptConnections()));
106 timer->start(500);
107}
108
109Manager::~Manager() {
110 for (int i = 0; i < connections.count(); i++) {
111 if(connections.at(i).socket!=NULL) {
112 connections.at(i).socket->kill();
113 connections.at(i).socket->thread()->wait();
114 }
115 }
116
117 // delete main_layout;
118 UDT::cleanup();
119}
120
121void Manager::acceptConnections(void) {
122 UDTSOCKET socket;
123
124 sockaddr_in their_addr;
125 int namelen = sizeof(their_addr);
126
127 if (UDT::INVALID_SOCK ==(socket = UDT::accept(serv, (sockaddr *)&their_addr, &namelen))) {
128 if (UDT::getlasterror().getErrorCode() != 6002)
129 fprintf(stderr,"accept error: %s, code %i\n", UDT::getlasterror().getErrorMessage(),UDT::getlasterror().getErrorCode());
130 return;
131 } else {
132 QString name=QString("%1:%2").arg(inet_ntoa(their_addr.sin_addr)).arg(their_addr.sin_port);
133 fprintf(stderr,"connected to %s\n",name.toLocal8Bit().constData());
134
135 QThread *thread = new QThread(this);
136 UdtSocket *udtSocket = new UdtSocket(socket,name);
137 udtSocket->moveToThread(thread);
138
139 connect(udtSocket, SIGNAL(newFileUI(UDTSOCKET)), this, SLOT(newFileUI(UDTSOCKET)));
140 connect(udtSocket, SIGNAL(newConnectionLayout(QString)), this, SLOT(newConnectionLayout(QString)),Qt::BlockingQueuedConnection);
141 connect(thread, SIGNAL(started()), udtSocket, SLOT(receiveData()));
142
143 thread->start();
144 }
145}
146
147void Manager::newConnectionLayout(QString name) {
148 UdtSocket* udtSocket=(UdtSocket *)sender();
149
150 ConnectionLayout *newLayout = new ConnectionLayout(udtSocket, name);
151 connect(udtSocket, SIGNAL(UDTStats(QString,bool)), newLayout, SIGNAL(UDTStats(QString,bool)));//connection in 2 steps to get udtsocket as sender
152 connect(newLayout, SIGNAL(UDTStats(QString,bool)), this, SLOT(printUDTStats(QString,bool)));
153 connect(udtSocket, SIGNAL(dataReady(char *, int)), newLayout,SLOT(receive(char *, int)),Qt::BlockingQueuedConnection);
154 connect(newLayout, SIGNAL(destroyed(QObject *)), this, SLOT(layoutDestroyed(QObject *)));
155 connect(udtSocket, SIGNAL(destroyed(QObject *)), this, SLOT(udtSocketDestroyed(QObject *)));
156 connect(udtSocket, SIGNAL(destroyed(QObject *)), newLayout, SLOT(udtSocketDestroyed(QObject *)));
157
158 // widget
159 QWidget *newWidget = new QWidget();
160 newWidget->setLayout(newLayout->getQGridLayout());
161 managerLayout->insertWidget(1, newWidget);
162 newWidget->hide();
163
164 connections_t connection;
165 connection.layout=newLayout;
166 connection.widget=newWidget;
167 connection.socket=udtSocket;
168 connections.append(connection);
169
170 //tab: avoid having only 1 tab (0, 2 or more)
171 if (connections.count() == 1) { // first connection
172 newWidget->show();
173 hiddenTabName = name;
174 }
175 if (connections.count() == 2) {
176 if(connections[0].socket!=NULL) {
177 tabBar->addTab(icon_green,hiddenTabName);
178 } else {
179 tabBar->addTab(icon_red,hiddenTabName);
180 }
181 currentTab = 0;
182 }
183 if (connections.count() > 1) {
184 tabBar->addTab(icon_green,name);
185 }
186}
187
188void Manager::udtSocketDestroyed(QObject *obj) {
189 //mark socket as not valid, it can be a connection lost
190 //in this case we keep the layout for reading, and mark it as problematic (socket=NULL)
191 for(int i=0;i<connections.count();i++) {
192 if(connections.at(i).socket==(UdtSocket *)obj) {
193 connections[i].socket=NULL;
194 tabBar->setTabIcon(i,icon_red);
195 break;
196 }
197 }
198}
199
200void Manager::layoutDestroyed(QObject *obj) {
201 //remove the connection, it comes from a proper close
202 int index=-1;
203 for(int i=0;i<connections.count();i++) {
204 if(connections.at(i).layout==(ConnectionLayout *)obj) {
205 delete connections.at(i).widget;
206 //connections[i].widget=NULL;
207 //connections[i].layout=NULL;
208 connections.removeAt(i);
209 index=i;
210 break;
211 }
212 }
213
214 if(index==-1) {
215 fprintf(stderr,"layoutDestroyed: error, layout not found!\n");
216 return;
217 }
218
219 //tab: avoid having only 1 tab (only 0, 2 or more)
220 if (tabBar->count() > 1) {
221 tabBar->removeTab(index);
222 }
223
224 if (connections.count() == 1) {
225 hiddenTabName = tabBar->tabText(0);
226 tabBar->removeTab(0);
227 }
228
229 if (connections.count() == 0) {
230 status->showMessage("");
231 }
232}
233
234void Manager::newFileUI(UDTSOCKET socket) {
235 QThread *thread = new QThread(this);
236 file_ui* fileUi = new file_ui(socket,name);
237 fileUi->moveToThread(thread);
238 connect(thread, SIGNAL(started()), fileUi, SLOT(receive()));
239 connect(fileUi, SIGNAL(finished()), this, SLOT(deleteFileUI()));
240 thread->start();
241}
242
243void Manager::deleteFileUI(void) {
244 sender()->thread()->quit();
245 delete sender();
246}
247
248void Manager::printUDTStats(QString stats,bool loosingPackets) {
249 int index = -1;
250 for(int i=0;i<connections.count();i++) {
251 if(connections.at(i).layout==(ConnectionLayout *)sender()) {
252 index=i;
253 break;
254 }
255 }
256
257 if(index==-1) return;
258
259 if(!loosingPackets) {
260 tabBar->setTabIcon(index,icon_green);
261 } else {
262 tabBar->setTabIcon(index,icon_orange);
263 }
264
265 if (tabBar->count() == 0) {
266 status->showMessage(stats);
267 } else if (index==tabBar->currentIndex()) {
268 status->showMessage(QString("%1: %2").arg(tabBar->tabText(index)).arg(stats));
269 }
270}
271
272void Manager::tabBarCurrentChanged(int index) {
273
274 if (index >= 0) {
275 //if we are coming from layout destroyed
276 if(currentTab<connections.count()) connections.at(currentTab).widget->hide();
277 connections.at(index).widget->show();
278 currentTab = index;
279 } else {
280 currentTab = 0;
281 connections.at(0).widget->show();
282 }
283 QString msg="not connected";
284 if (tabBar->count() == 0) {
285 if(connections.at(0).socket!=NULL) msg=connections.at(0).socket->getUDTStats();
286
287 } else {
288 if(connections.at(index).socket!=NULL) msg=QString("%1: %2").arg(tabBar->tabText(index)).arg(connections.at(index).socket->getUDTStats());
289 }
290 status->showMessage(msg);
291}
292
293void Manager::load(void) {
294 QString dir_name =
295 QFileDialog::getExistingDirectory(this, "Select a directory", 0, 0);
296
297 if (dir_name != "") {
298 for (int i = 0; i < connections.count(); i++) {
299 QFile *file;
300 file = new QFile(dir_name + "/" +
301 connections.at(i).layout->getName() + ".xml");
302 if (!file->open(QIODevice::ReadOnly | QIODevice::Text)) {
303 QMessageBox::warning(this, "Warning",
304 "Enable to load " +
305 connections.at(i).layout->getName() +
306 ".xml");
307 continue;
308 }
309
310 QDomDocument doc;
311 QString errorMsg;
312 int errorLine;
313 int errorColumn;
314 if (!doc.setContent(file, &errorMsg, &errorLine, &errorColumn)) {
315 QMessageBox::critical(
316 this, "Error",
317 "unable to read " + connections.at(i).layout->getName() +
318 ".xml" + " (" + errorMsg + " at " + QString::number(errorLine) +
319 "," + QString::number(errorColumn) + ")");
320 } else {
321 connections.at(i).layout->LoadXml(doc);
322 }
323 delete file;
324 }
325 }
326}
327
328void Manager::save(void) {
329 bool isUptodate = true;
330
331 for (int i = 0; i < connections.count(); i++) {
332 if (!connections.at(i).layout->IsUptodate()) {
333 isUptodate = false;
334 break;
335 }
336 }
337
338 if (!isUptodate) {
339 QMessageBox msgBox;
340 msgBox.setText("There are pending modifications");
341 msgBox.setInformativeText("Apply and save?");
342 msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
343 msgBox.setDefaultButton(QMessageBox::Yes);
344 int ret = msgBox.exec();
345
346 switch (ret) {
347 case QMessageBox::Yes:
348 send();
349 break;
350 case QMessageBox::Cancel:
351 return;
352 break;
353 default:
354 // should never be reached
355 break;
356 }
357 }
358
359 // create dirctory for storage
360 QDateTime dateTime = QDateTime::currentDateTime();
361 QString dir_name =
362 "configs_" + dateTime.toString("yyyyMMdd_hhmm") + "_" + name;
363 if (QDir().exists(dir_name) == true) {
364 dir_name = "configs_" + dateTime.toString("yyyyMMdd_hhmm_ss") + "_" + name;
365 }
366 QDir().mkdir(dir_name);
367
368 for (int i = 0; i < connections.count(); i++) {
369 QDomDocument *xml = new QDomDocument("remote_ui_xml");
370
371 connections.at(i).layout->GetFullXml((QDomElement *)xml);
372
373 QFile fichier(dir_name + "/" + connections.at(i).layout->getName() +
374 ".xml");
375 QString write_doc = (xml->ownerDocument()).toString();
376
377 if (!fichier.open(QIODevice::WriteOnly)) {
378 fichier.close();
379 QMessageBox::critical(this, "Error", "Enable to write XML");
380 continue;
381 }
382 QTextStream stream(&fichier);
383 stream << write_doc;
384 fichier.close();
385
386 delete xml;
387 }
388
389 QMessageBox::information(this, "save all", "saved to ./" + dir_name);
390}
391
392void Manager::send(void) {
393 for (int i = 0; i < connections.count(); i++) {
394 if(connections.at(i).socket!=NULL) {
395 QDomDocument doc("remote_ui_xml");
396 connections.at(i).layout->GetUpdateXml((QDomElement *)&doc);
397 // fprintf(stderr,"merge\n%s\n",doc.toString().toLocal8Bit().constData());
398
399 connections.at(i).layout->XmlToSend(doc);
400 }
401 }
402}
403
404void Manager::reset() {
405 for (int i = 0; i < connections.count(); i++)
406 connections.at(i).layout->ResetAllChilds();
407}
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