xref: /haiku/src/apps/networkstatus/NetworkStatusView.cpp (revision f5821a1aee77d3b9a979b42c68a79e50b5ebaefe) 
1 /*
2  * Copyright 2006-2012, Haiku, Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Dario Casalinuovo
7  *		Axel Dörfler, axeld@pinc-software.de
8  *		Rene Gollent, rene@gollent.com
9  *		Hugo Santos, hugosantos@gmail.com
10  */
11 
12 
13 #include "NetworkStatusView.h"
14 
15 #include <set>
16 
17 #include <arpa/inet.h>
18 #include <net/if.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include <sys/socket.h>
23 #include <sys/sockio.h>
24 #include <unistd.h>
25 
26 #include <AboutWindow.h>
27 #include <Alert.h>
28 #include <Application.h>
29 #include <Catalog.h>
30 #include <Bitmap.h>
31 #include <Deskbar.h>
32 #include <Dragger.h>
33 #include <Drivers.h>
34 #include <IconUtils.h>
35 #include <Locale.h>
36 #include <MenuItem.h>
37 #include <MessageRunner.h>
38 #include <NetworkDevice.h>
39 #include <NetworkInterface.h>
40 #include <NetworkRoster.h>
41 #include <PopUpMenu.h>
42 #include <Resources.h>
43 #include <Roster.h>
44 #include <String.h>
45 #include <TextView.h>
46 
47 #include "NetworkStatus.h"
48 #include "NetworkStatusIcons.h"
49 #include "RadioView.h"
50 #include "WirelessNetworkMenuItem.h"
51 
52 
53 #undef B_TRANSLATION_CONTEXT
54 #define B_TRANSLATION_CONTEXT "NetworkStatusView"
55 
56 
57 static const char *kStatusDescriptions[] = {
58 	B_TRANSLATE("Unknown"),
59 	B_TRANSLATE("No link"),
60 	B_TRANSLATE("No stateful configuration"),
61 	B_TRANSLATE("Configuring"),
62 	B_TRANSLATE("Ready")
63 };
64 
65 extern "C" _EXPORT BView *instantiate_deskbar_item(void);
66 
67 
68 const uint32 kMsgShowConfiguration = 'shcf';
69 const uint32 kMsgOpenNetworkPreferences = 'onwp';
70 const uint32 kMsgJoinNetwork = 'join';
71 
72 const uint32 kMinIconWidth = 16;
73 const uint32 kMinIconHeight = 16;
74 
75 
76 class SocketOpener {
77 public:
78 	SocketOpener()
79 	{
80 		fSocket = socket(AF_INET, SOCK_DGRAM, 0);
81 	}
82 
83 	~SocketOpener()
84 	{
85 		close(fSocket);
86 	}
87 
88 	status_t InitCheck()
89 	{
90 		return fSocket >= 0 ? B_OK : B_ERROR;
91 	}
92 
93 	operator int() const
94 	{
95 		return fSocket;
96 	}
97 
98 private:
99 	int	fSocket;
100 };
101 
102 
103 //	#pragma mark -
104 
105 
106 NetworkStatusView::NetworkStatusView(BRect frame, int32 resizingMode,
107 		bool inDeskbar)
108 	: BView(frame, kDeskbarItemName, resizingMode,
109 		B_WILL_DRAW | B_FRAME_EVENTS),
110 	fInDeskbar(inDeskbar)
111 {
112 	_Init();
113 
114 	if (!inDeskbar) {
115 		// we were obviously added to a standard window - let's add a dragger
116 		frame.OffsetTo(B_ORIGIN);
117 		frame.top = frame.bottom - 7;
118 		frame.left = frame.right - 7;
119 		BDragger* dragger = new BDragger(frame, this,
120 			B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
121 		AddChild(dragger);
122 	} else
123 		_Update();
124 }
125 
126 
127 NetworkStatusView::NetworkStatusView(BMessage* archive)
128 	: BView(archive),
129 	fInDeskbar(false)
130 {
131 	app_info info;
132 	if (be_app->GetAppInfo(&info) == B_OK
133 		&& !strcasecmp(info.signature, "application/x-vnd.Be-TSKB"))
134 		fInDeskbar = true;
135 
136 	_Init();
137 }
138 
139 
140 NetworkStatusView::~NetworkStatusView()
141 {
142 }
143 
144 
145 void
146 NetworkStatusView::_Init()
147 {
148 	for (int i = 0; i < kStatusCount; i++) {
149 		fTrayIcons[i] = NULL;
150 		fNotifyIcons[i] = NULL;
151 	}
152 
153 	_UpdateBitmaps();
154 }
155 
156 
157 void
158 NetworkStatusView::_UpdateBitmaps()
159 {
160 	for (int i = 0; i < kStatusCount; i++) {
161 		delete fTrayIcons[i];
162 		delete fNotifyIcons[i];
163 		fTrayIcons[i] = NULL;
164 		fNotifyIcons[i] = NULL;
165 	}
166 
167 	image_info info;
168 	if (our_image(info) != B_OK)
169 		return;
170 
171 	BFile file(info.name, B_READ_ONLY);
172 	if (file.InitCheck() < B_OK)
173 		return;
174 
175 	BResources resources(&file);
176 #ifdef HAIKU_TARGET_PLATFORM_HAIKU
177 	if (resources.InitCheck() < B_OK)
178 		return;
179 #endif
180 
181 	for (int i = 0; i < kStatusCount; i++) {
182 		const void* data = NULL;
183 		size_t size;
184 		data = resources.LoadResource(B_VECTOR_ICON_TYPE,
185 			kNetworkStatusNoDevice + i, &size);
186 		if (data != NULL) {
187 			// Scale main tray icon
188 			BBitmap* trayIcon = new BBitmap(Bounds(), B_RGBA32);
189 			if (trayIcon->InitCheck() == B_OK
190 				&& BIconUtils::GetVectorIcon((const uint8 *)data,
191 					size, trayIcon) == B_OK) {
192 				fTrayIcons[i] = trayIcon;
193 			} else
194 				delete trayIcon;
195 
196 			// Scale notification icon
197 			BBitmap* notifyIcon = new BBitmap(BRect(0, 0, 31, 31), B_RGBA32);
198 			if (notifyIcon->InitCheck() == B_OK
199 				&& BIconUtils::GetVectorIcon((const uint8 *)data,
200 					size, notifyIcon) == B_OK) {
201 				fNotifyIcons[i] = notifyIcon;
202 			} else
203 				delete notifyIcon;
204 		}
205 	}
206 }
207 
208 
209 void
210 NetworkStatusView::_Quit()
211 {
212 	if (fInDeskbar) {
213 		BDeskbar deskbar;
214 		deskbar.RemoveItem(kDeskbarItemName);
215 	} else
216 		be_app->PostMessage(B_QUIT_REQUESTED);
217 }
218 
219 
220 NetworkStatusView*
221 NetworkStatusView::Instantiate(BMessage* archive)
222 {
223 	if (!validate_instantiation(archive, "NetworkStatusView"))
224 		return NULL;
225 
226 	return new NetworkStatusView(archive);
227 }
228 
229 
230 status_t
231 NetworkStatusView::Archive(BMessage* archive, bool deep) const
232 {
233 	status_t status = BView::Archive(archive, deep);
234 	if (status == B_OK)
235 		status = archive->AddString("add_on", kSignature);
236 	if (status == B_OK)
237 		status = archive->AddString("class", "NetworkStatusView");
238 
239 	return status;
240 }
241 
242 
243 void
244 NetworkStatusView::AttachedToWindow()
245 {
246 	BView::AttachedToWindow();
247 	if (Parent() != NULL) {
248 		if ((Parent()->Flags() & B_DRAW_ON_CHILDREN) != 0)
249 			SetViewColor(B_TRANSPARENT_COLOR);
250 		else
251 			SetViewColor(Parent()->ViewColor());
252 	} else
253 		SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
254 
255 	SetLowColor(ViewColor());
256 
257 	start_watching_network(
258 		B_WATCH_NETWORK_INTERFACE_CHANGES | B_WATCH_NETWORK_LINK_CHANGES, this);
259 
260 	_Update();
261 }
262 
263 
264 void
265 NetworkStatusView::DetachedFromWindow()
266 {
267 	stop_watching_network(this);
268 }
269 
270 
271 void
272 NetworkStatusView::MessageReceived(BMessage* message)
273 {
274 	switch (message->what) {
275 		case B_NETWORK_MONITOR:
276 			_Update();
277 			break;
278 
279 		case kMsgShowConfiguration:
280 			_ShowConfiguration(message);
281 			break;
282 
283 		case kMsgOpenNetworkPreferences:
284 			_OpenNetworksPreferences();
285 			break;
286 
287 		case kMsgJoinNetwork:
288 		{
289 			const char* deviceName;
290 			const char* name;
291 			if (message->FindString("device", &deviceName) == B_OK
292 				&& message->FindString("name", &name) == B_OK) {
293 				BNetworkDevice device(deviceName);
294 				status_t status = device.JoinNetwork(name);
295 				if (status != B_OK) {
296 					BString text
297 						= B_TRANSLATE("Could not join wireless network:\n");
298 					text << strerror(status);
299 					BAlert* alert = new BAlert(name, text.String(),
300 						B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL,
301 						B_STOP_ALERT);
302 					alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
303 					alert->Go(NULL);
304 				}
305 			}
306 			break;
307 		}
308 
309 		case B_ABOUT_REQUESTED:
310 			_AboutRequested();
311 			break;
312 
313 		case B_QUIT_REQUESTED:
314 			_Quit();
315 			break;
316 
317 		default:
318 			BView::MessageReceived(message);
319 	}
320 }
321 
322 
323 void
324 NetworkStatusView::FrameResized(float width, float height)
325 {
326 	_UpdateBitmaps();
327 	Invalidate();
328 }
329 
330 
331 void
332 NetworkStatusView::Draw(BRect updateRect)
333 {
334 	int32 status = kStatusUnknown;
335 	for (std::map<BString, int32>::const_iterator it
336 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
337 		if (it->second > status)
338 			status = it->second;
339 	}
340 
341 	if (fTrayIcons[status] == NULL)
342 		return;
343 
344 	SetDrawingMode(B_OP_ALPHA);
345 	DrawBitmap(fTrayIcons[status]);
346 	SetDrawingMode(B_OP_COPY);
347 }
348 
349 
350 void
351 NetworkStatusView::_ShowConfiguration(BMessage* message)
352 {
353 	static const struct information_entry {
354 		const char*	label;
355 		int32		control;
356 	} kInformationEntries[] = {
357 		{ B_TRANSLATE("Address"), SIOCGIFADDR },
358 		{ B_TRANSLATE("Broadcast"), SIOCGIFBRDADDR },
359 		{ B_TRANSLATE("Netmask"), SIOCGIFNETMASK },
360 		{ NULL }
361 	};
362 
363 	SocketOpener socket;
364 	if (socket.InitCheck() != B_OK)
365 		return;
366 
367 	const char* name;
368 	if (message->FindString("interface", &name) != B_OK)
369 		return;
370 
371 	ifreq request;
372 	if (!_PrepareRequest(request, name))
373 		return;
374 
375 	BString text(B_TRANSLATE("%ifaceName information:\n"));
376 	text.ReplaceFirst("%ifaceName", name);
377 
378 	size_t boldLength = text.Length();
379 
380 	for (int i = 0; kInformationEntries[i].label; i++) {
381 		if (ioctl(socket, kInformationEntries[i].control, &request,
382 				sizeof(request)) < 0) {
383 			continue;
384 		}
385 
386 		char address[32];
387 		sockaddr_in* inetAddress = NULL;
388 		switch (kInformationEntries[i].control) {
389 			case SIOCGIFNETMASK:
390 				inetAddress = (sockaddr_in*)&request.ifr_mask;
391 				break;
392 			default:
393 				inetAddress = (sockaddr_in*)&request.ifr_addr;
394 				break;
395 		}
396 
397 		if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
398 				sizeof(address)) == NULL) {
399 			return;
400 		}
401 
402 		text << "\n" << kInformationEntries[i].label << ": " << address;
403 	}
404 
405 	BAlert* alert = new BAlert(name, text.String(), B_TRANSLATE("OK"));
406 	alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
407 	BTextView* view = alert->TextView();
408 	BFont font;
409 
410 	view->SetStylable(true);
411 	view->GetFont(&font);
412 	font.SetFace(B_BOLD_FACE);
413 	view->SetFontAndColor(0, boldLength, &font);
414 
415 	alert->Go(NULL);
416 }
417 
418 
419 void
420 NetworkStatusView::MouseDown(BPoint point)
421 {
422 	BPopUpMenu* menu = new BPopUpMenu(B_EMPTY_STRING, false, false);
423 	menu->SetAsyncAutoDestruct(true);
424 	menu->SetFont(be_plain_font);
425 	BString wifiInterface;
426 	BNetworkDevice wifiDevice;
427 
428 	// Add interfaces
429 
430 	for (std::map<BString, int32>::const_iterator it
431 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
432 		const BString& name = it->first;
433 
434 		BString label = name;
435 		label += ": ";
436 		label += kStatusDescriptions[
437 			_DetermineInterfaceStatus(name.String())];
438 
439 		BMessage* info = new BMessage(kMsgShowConfiguration);
440 		info->AddString("interface", name.String());
441 		menu->AddItem(new BMenuItem(label.String(), info));
442 
443 		// We only show the networks of the first wireless device we find.
444 		if (wifiInterface.IsEmpty()) {
445 			wifiDevice.SetTo(name);
446 			if (wifiDevice.IsWireless())
447 				wifiInterface = name;
448 		}
449 	}
450 
451 	if (!fInterfaceStatuses.empty())
452 		menu->AddSeparatorItem();
453 
454 	// Add wireless networks, if any
455 
456 	if (!wifiInterface.IsEmpty()) {
457 		std::set<BNetworkAddress> associated;
458 		BNetworkAddress address;
459 		uint32 cookie = 0;
460 		while (wifiDevice.GetNextAssociatedNetwork(cookie, address) == B_OK)
461 			associated.insert(address);
462 
463 		wireless_network network;
464 		int32 count = 0;
465 		cookie = 0;
466 		while (wifiDevice.GetNextNetwork(cookie, network) == B_OK) {
467 			BMessage* message = new BMessage(kMsgJoinNetwork);
468 			message->AddString("device", wifiInterface);
469 			message->AddString("name", network.name);
470 
471 			BMenuItem* item = new WirelessNetworkMenuItem(network.name,
472 				network.signal_strength,
473 				(network.flags & B_NETWORK_IS_ENCRYPTED) != 0, message);
474 			menu->AddItem(item);
475 			if (associated.find(network.address) != associated.end())
476 				item->SetMarked(true);
477 
478 			count++;
479 		}
480 		if (count == 0) {
481 			BMenuItem* item = new BMenuItem(
482 				B_TRANSLATE("<no wireless networks found>"), NULL);
483 			item->SetEnabled(false);
484 			menu->AddItem(item);
485 		}
486 		menu->AddSeparatorItem();
487 	}
488 
489 	menu->AddItem(new BMenuItem(B_TRANSLATE(
490 		"Open network preferences" B_UTF8_ELLIPSIS),
491 		new BMessage(kMsgOpenNetworkPreferences)));
492 
493 	if (fInDeskbar) {
494 		menu->AddItem(new BMenuItem(B_TRANSLATE("Quit"),
495 			new BMessage(B_QUIT_REQUESTED)));
496 	}
497 	menu->SetTargetForItems(this);
498 
499 	ConvertToScreen(&point);
500 	menu->Go(point, true, true, true);
501 }
502 
503 
504 void
505 NetworkStatusView::_AboutRequested()
506 {
507 	BAboutWindow* window = new BAboutWindow(
508 		B_TRANSLATE_SYSTEM_NAME("NetworkStatus"), kSignature);
509 
510 	const char* authors[] = {
511 		"Axel Dörfler",
512 		"Hugo Santos",
513 		NULL
514 	};
515 
516 	window->AddCopyright(2007, "Haiku, Inc.");
517 	window->AddAuthors(authors);
518 
519 	window->Show();
520 }
521 
522 
523 bool
524 NetworkStatusView::_PrepareRequest(struct ifreq& request, const char* name)
525 {
526 	if (strlen(name) > IF_NAMESIZE)
527 		return false;
528 
529 	strcpy(request.ifr_name, name);
530 	return true;
531 }
532 
533 
534 int32
535 NetworkStatusView::_DetermineInterfaceStatus(
536 	const BNetworkInterface& interface)
537 {
538 	uint32 flags = interface.Flags();
539 	int32 status = kStatusNoLink;
540 
541 	// TODO: no kStatusLinkNoConfig yet
542 
543 	if (flags & IFF_CONFIGURING)
544 		status = kStatusConnecting;
545 	else if ((flags & (IFF_UP | IFF_LINK)) == (IFF_UP | IFF_LINK))
546 		status = kStatusReady;
547 
548 	return status;
549 }
550 
551 
552 void
553 NetworkStatusView::_Update(bool force)
554 {
555 	BNetworkRoster& roster = BNetworkRoster::Default();
556 	BNetworkInterface interface;
557 	uint32 cookie = 0;
558 
559 	while (roster.GetNextInterface(&cookie, interface) == B_OK) {
560 		if ((interface.Flags() & IFF_LOOPBACK) == 0) {
561 			int32 oldStatus = kStatusUnknown;
562 			if (fInterfaceStatuses.find(interface.Name())
563 				!= fInterfaceStatuses.end()) {
564 				oldStatus = fInterfaceStatuses[interface.Name()];
565 			}
566 			int32 status = _DetermineInterfaceStatus(interface);
567 			if (oldStatus != status) {
568 				BNotification notification(B_INFORMATION_NOTIFICATION);
569 				notification.SetGroup(B_TRANSLATE("Network Status"));
570 				notification.SetTitle(interface.Name());
571 				notification.SetMessageID(interface.Name());
572 				notification.SetIcon(fNotifyIcons[status]);
573 				if (status == kStatusConnecting
574 					|| (status == kStatusReady
575 						&& oldStatus == kStatusConnecting)
576 					|| (status == kStatusNoLink
577 						&& oldStatus == kStatusReady)
578 					|| (status == kStatusNoLink
579 						&& oldStatus == kStatusConnecting)) {
580 					// A significant state change, raise notification.
581 					notification.SetContent(kStatusDescriptions[status]);
582 					notification.Send();
583 				}
584 				Invalidate();
585 			}
586 			fInterfaceStatuses[interface.Name()] = status;
587 		}
588 	}
589 }
590 
591 
592 void
593 NetworkStatusView::_OpenNetworksPreferences()
594 {
595 	status_t status = be_roster->Launch("application/x-vnd.Haiku-Network");
596 	if (status != B_OK && status != B_ALREADY_RUNNING) {
597 		BString errorMessage(B_TRANSLATE("Launching the network preflet "
598 			"failed.\n\nError: "));
599 		errorMessage << strerror(status);
600 		BAlert* alert = new BAlert("launch error", errorMessage.String(),
601 			B_TRANSLATE("OK"));
602 		alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
603 
604 		// asynchronous alert in order to not block replicant host application
605 		alert->Go(NULL);
606 	}
607 }
608 
609 
610 //	#pragma mark -
611 
612 
613 extern "C" _EXPORT BView *
614 instantiate_deskbar_item(void)
615 {
616 	return new NetworkStatusView(BRect(0, 0, 15, 15),
617 		B_FOLLOW_LEFT | B_FOLLOW_TOP, true);
618 }
619 
620