xref: /haiku/src/apps/networkstatus/NetworkStatusView.cpp (revision 5c46b171392ac6c49b56eae7bf1e636d3d854c08) 
1 /*
2  * Copyright 2006-2012, Haiku, Inc. All rights reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Axel Dörfler, axeld@pinc-software.de
7  *		Hugo Santos, hugosantos@gmail.com
8  *		Dario Casalinuovo
9  *		Rene Gollent, rene@gollent.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 <Alert.h>
27 #include <Application.h>
28 #include <Catalog.h>
29 #include <Bitmap.h>
30 #include <Deskbar.h>
31 #include <Dragger.h>
32 #include <Drivers.h>
33 #include <IconUtils.h>
34 #include <Locale.h>
35 #include <MenuItem.h>
36 #include <MessageRunner.h>
37 #include <NetworkDevice.h>
38 #include <NetworkInterface.h>
39 #include <NetworkRoster.h>
40 #include <PopUpMenu.h>
41 #include <Resources.h>
42 #include <Roster.h>
43 #include <String.h>
44 #include <TextView.h>
45 
46 #include "NetworkStatus.h"
47 #include "NetworkStatusIcons.h"
48 #include "RadioView.h"
49 #include "WirelessNetworkMenuItem.h"
50 
51 
52 #undef B_TRANSLATE_CONTEXT
53 #define B_TRANSLATE_CONTEXT "NetworkStatusView"
54 
55 
56 static const char *kStatusDescriptions[] = {
57 	B_TRANSLATE("Unknown"),
58 	B_TRANSLATE("No link"),
59 	B_TRANSLATE("No stateful configuration"),
60 	B_TRANSLATE("Configuring"),
61 	B_TRANSLATE("Ready")
62 };
63 
64 extern "C" _EXPORT BView *instantiate_deskbar_item(void);
65 
66 
67 const uint32 kMsgShowConfiguration = 'shcf';
68 const uint32 kMsgOpenNetworkPreferences = 'onwp';
69 const uint32 kMsgJoinNetwork = 'join';
70 
71 const uint32 kMinIconWidth = 16;
72 const uint32 kMinIconHeight = 16;
73 
74 
75 class SocketOpener {
76 public:
77 	SocketOpener()
78 	{
79 		fSocket = socket(AF_INET, SOCK_DGRAM, 0);
80 	}
81 
82 	~SocketOpener()
83 	{
84 		close(fSocket);
85 	}
86 
87 	status_t InitCheck()
88 	{
89 		return fSocket >= 0 ? B_OK : B_ERROR;
90 	}
91 
92 	operator int() const
93 	{
94 		return fSocket;
95 	}
96 
97 private:
98 	int	fSocket;
99 };
100 
101 
102 //	#pragma mark -
103 
104 
105 NetworkStatusView::NetworkStatusView(BRect frame, int32 resizingMode,
106 		bool inDeskbar)
107 	: BView(frame, kDeskbarItemName, resizingMode,
108 		B_WILL_DRAW | B_FRAME_EVENTS),
109 	fInDeskbar(inDeskbar)
110 {
111 	_Init();
112 
113 	if (!inDeskbar) {
114 		// we were obviously added to a standard window - let's add a dragger
115 		frame.OffsetTo(B_ORIGIN);
116 		frame.top = frame.bottom - 7;
117 		frame.left = frame.right - 7;
118 		BDragger* dragger = new BDragger(frame, this,
119 			B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
120 		AddChild(dragger);
121 	} else
122 		_Update();
123 }
124 
125 
126 NetworkStatusView::NetworkStatusView(BMessage* archive)
127 	: BView(archive),
128 	fInDeskbar(false)
129 {
130 	app_info info;
131 	if (be_app->GetAppInfo(&info) == B_OK
132 		&& !strcasecmp(info.signature, "application/x-vnd.Be-TSKB"))
133 		fInDeskbar = true;
134 
135 	_Init();
136 }
137 
138 
139 NetworkStatusView::~NetworkStatusView()
140 {
141 }
142 
143 
144 void
145 NetworkStatusView::_Init()
146 {
147 	for (int i = 0; i < kStatusCount; i++) {
148 		fTrayIcons[i] = NULL;
149 		fNotifyIcons[i] = NULL;
150 	}
151 
152 	_UpdateBitmaps();
153 }
154 
155 
156 void
157 NetworkStatusView::_UpdateBitmaps()
158 {
159 	for (int i = 0; i < kStatusCount; i++) {
160 		delete fTrayIcons[i];
161 		delete fNotifyIcons[i];
162 		fTrayIcons[i] = NULL;
163 		fNotifyIcons[i] = NULL;
164 	}
165 
166 	image_info info;
167 	if (our_image(info) != B_OK)
168 		return;
169 
170 	BFile file(info.name, B_READ_ONLY);
171 	if (file.InitCheck() < B_OK)
172 		return;
173 
174 	BResources resources(&file);
175 #ifdef HAIKU_TARGET_PLATFORM_HAIKU
176 	if (resources.InitCheck() < B_OK)
177 		return;
178 #endif
179 
180 	for (int i = 0; i < kStatusCount; i++) {
181 		const void* data = NULL;
182 		size_t size;
183 		data = resources.LoadResource(B_VECTOR_ICON_TYPE,
184 			kNetworkStatusNoDevice + i, &size);
185 		if (data != NULL) {
186 			// Scale main tray icon
187 			BBitmap* trayIcon = new BBitmap(Bounds(), B_RGBA32);
188 			if (trayIcon->InitCheck() == B_OK
189 				&& BIconUtils::GetVectorIcon((const uint8 *)data,
190 					size, trayIcon) == B_OK) {
191 				fTrayIcons[i] = trayIcon;
192 			} else
193 				delete trayIcon;
194 
195 			// Scale notification icon
196 			BBitmap* notifyIcon = new BBitmap(BRect(0, 0, 31, 31), B_RGBA32);
197 			if (notifyIcon->InitCheck() == B_OK
198 				&& BIconUtils::GetVectorIcon((const uint8 *)data,
199 					size, notifyIcon) == B_OK) {
200 				fNotifyIcons[i] = notifyIcon;
201 			} else
202 				delete notifyIcon;
203 		}
204 	}
205 }
206 
207 
208 void
209 NetworkStatusView::_Quit()
210 {
211 	if (fInDeskbar) {
212 		BDeskbar deskbar;
213 		deskbar.RemoveItem(kDeskbarItemName);
214 	} else
215 		be_app->PostMessage(B_QUIT_REQUESTED);
216 }
217 
218 
219 NetworkStatusView *
220 NetworkStatusView::Instantiate(BMessage* archive)
221 {
222 	if (!validate_instantiation(archive, "NetworkStatusView"))
223 		return NULL;
224 
225 	return new NetworkStatusView(archive);
226 }
227 
228 
229 status_t
230 NetworkStatusView::Archive(BMessage* archive, bool deep) const
231 {
232 	status_t status = BView::Archive(archive, deep);
233 	if (status == B_OK)
234 		status = archive->AddString("add_on", kSignature);
235 	if (status == B_OK)
236 		status = archive->AddString("class", "NetworkStatusView");
237 
238 	return status;
239 }
240 
241 
242 void
243 NetworkStatusView::AttachedToWindow()
244 {
245 	BView::AttachedToWindow();
246 	if (Parent())
247 		SetViewColor(Parent()->ViewColor());
248 	else
249 		SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
250 
251 	SetLowColor(ViewColor());
252 
253 	start_watching_network(
254 		B_WATCH_NETWORK_INTERFACE_CHANGES | B_WATCH_NETWORK_LINK_CHANGES, this);
255 
256 	_Update();
257 }
258 
259 
260 void
261 NetworkStatusView::DetachedFromWindow()
262 {
263 	stop_watching_network(this);
264 }
265 
266 
267 void
268 NetworkStatusView::MessageReceived(BMessage* message)
269 {
270 	switch (message->what) {
271 		case B_NETWORK_MONITOR:
272 			_Update();
273 			break;
274 
275 		case kMsgShowConfiguration:
276 			_ShowConfiguration(message);
277 			break;
278 
279 		case kMsgOpenNetworkPreferences:
280 			_OpenNetworksPreferences();
281 			break;
282 
283 		case kMsgJoinNetwork:
284 		{
285 			const char* deviceName;
286 			const char* name;
287 			if (message->FindString("device", &deviceName) == B_OK
288 				&& message->FindString("name", &name) == B_OK) {
289 				BNetworkDevice device(deviceName);
290 				status_t status = device.JoinNetwork(name);
291 				if (status != B_OK) {
292 					BString text
293 						= B_TRANSLATE("Could not join wireless network:\n");
294 					text << strerror(status);
295 					BAlert* alert = new BAlert(name, text.String(),
296 						B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL,
297 						B_STOP_ALERT);
298 					alert->Go(NULL);
299 				}
300 			}
301 			break;
302 		}
303 
304 		case B_ABOUT_REQUESTED:
305 			_AboutRequested();
306 			break;
307 
308 		case B_QUIT_REQUESTED:
309 			_Quit();
310 			break;
311 
312 		default:
313 			BView::MessageReceived(message);
314 	}
315 }
316 
317 
318 void
319 NetworkStatusView::FrameResized(float width, float height)
320 {
321 	_UpdateBitmaps();
322 	Invalidate();
323 }
324 
325 
326 void
327 NetworkStatusView::Draw(BRect updateRect)
328 {
329 	int32 status = kStatusUnknown;
330 	for (std::map<BString, int32>::const_iterator it
331 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
332 		if (it->second > status)
333 			status = it->second;
334 	}
335 
336 	if (fTrayIcons[status] == NULL)
337 		return;
338 
339 	SetDrawingMode(B_OP_ALPHA);
340 	DrawBitmap(fTrayIcons[status]);
341 	SetDrawingMode(B_OP_COPY);
342 }
343 
344 
345 void
346 NetworkStatusView::_ShowConfiguration(BMessage* message)
347 {
348 	static const struct information_entry {
349 		const char*	label;
350 		int32		control;
351 	} kInformationEntries[] = {
352 		{ B_TRANSLATE("Address"), SIOCGIFADDR },
353 		{ B_TRANSLATE("Broadcast"), SIOCGIFBRDADDR },
354 		{ B_TRANSLATE("Netmask"), SIOCGIFNETMASK },
355 		{ NULL }
356 	};
357 
358 	SocketOpener socket;
359 	if (socket.InitCheck() != B_OK)
360 		return;
361 
362 	const char* name;
363 	if (message->FindString("interface", &name) != B_OK)
364 		return;
365 
366 	ifreq request;
367 	if (!_PrepareRequest(request, name))
368 		return;
369 
370 	BString text(B_TRANSLATE("%ifaceName information:\n"));
371 	text.ReplaceFirst("%ifaceName", name);
372 
373 	size_t boldLength = text.Length();
374 
375 	for (int i = 0; kInformationEntries[i].label; i++) {
376 		if (ioctl(socket, kInformationEntries[i].control, &request,
377 				sizeof(request)) < 0) {
378 			continue;
379 		}
380 
381 		char address[32];
382 		sockaddr_in* inetAddress = NULL;
383 		switch (kInformationEntries[i].control) {
384 			case SIOCGIFNETMASK:
385 				inetAddress = (sockaddr_in*)&request.ifr_mask;
386 				break;
387 			default:
388 				inetAddress = (sockaddr_in*)&request.ifr_addr;
389 				break;
390 		}
391 
392 		if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
393 				sizeof(address)) == NULL) {
394 			return;
395 		}
396 
397 		text << "\n" << kInformationEntries[i].label << ": " << address;
398 	}
399 
400 	BAlert* alert = new BAlert(name, text.String(), B_TRANSLATE("OK"));
401 	BTextView* view = alert->TextView();
402 	BFont font;
403 
404 	view->SetStylable(true);
405 	view->GetFont(&font);
406 	font.SetFace(B_BOLD_FACE);
407 	view->SetFontAndColor(0, boldLength, &font);
408 
409 	alert->Go(NULL);
410 }
411 
412 
413 void
414 NetworkStatusView::MouseDown(BPoint point)
415 {
416 	BPopUpMenu* menu = new BPopUpMenu(B_EMPTY_STRING, false, false);
417 	menu->SetAsyncAutoDestruct(true);
418 	menu->SetFont(be_plain_font);
419 	BString wifiInterface;
420 	BNetworkDevice wifiDevice;
421 
422 	// Add interfaces
423 
424 	for (std::map<BString, int32>::const_iterator it
425 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
426 		const BString& name = it->first;
427 
428 		BString label = name;
429 		label += ": ";
430 		label += kStatusDescriptions[
431 			_DetermineInterfaceStatus(name.String())];
432 
433 		BMessage* info = new BMessage(kMsgShowConfiguration);
434 		info->AddString("interface", name.String());
435 		menu->AddItem(new BMenuItem(label.String(), info));
436 
437 		// We only show the networks of the first wireless device we find.
438 		if (wifiInterface.IsEmpty()) {
439 			wifiDevice.SetTo(name);
440 			if (wifiDevice.IsWireless())
441 				wifiInterface = name;
442 		}
443 	}
444 
445 	if (!fInterfaceStatuses.empty())
446 		menu->AddSeparatorItem();
447 
448 	// Add wireless networks, if any
449 
450 	if (!wifiInterface.IsEmpty()) {
451 		std::set<BNetworkAddress> associated;
452 		BNetworkAddress address;
453 		uint32 cookie = 0;
454 		while (wifiDevice.GetNextAssociatedNetwork(cookie, address) == B_OK)
455 			associated.insert(address);
456 
457 		wireless_network network;
458 		int32 count = 0;
459 		cookie = 0;
460 		while (wifiDevice.GetNextNetwork(cookie, network) == B_OK) {
461 			BMessage* message = new BMessage(kMsgJoinNetwork);
462 			message->AddString("device", wifiInterface);
463 			message->AddString("name", network.name);
464 
465 			BMenuItem* item = new WirelessNetworkMenuItem(network.name,
466 				network.signal_strength,
467 				(network.flags & B_NETWORK_IS_ENCRYPTED) != 0, message);
468 			menu->AddItem(item);
469 			if (associated.find(network.address) != associated.end())
470 				item->SetMarked(true);
471 
472 			count++;
473 		}
474 		if (count == 0) {
475 			BMenuItem* item = new BMenuItem(
476 				B_TRANSLATE("<no wireless networks found>"), NULL);
477 			item->SetEnabled(false);
478 			menu->AddItem(item);
479 		}
480 		menu->AddSeparatorItem();
481 	}
482 
483 	menu->AddItem(new BMenuItem(B_TRANSLATE(
484 		"Open network preferences" B_UTF8_ELLIPSIS),
485 		new BMessage(kMsgOpenNetworkPreferences)));
486 
487 	if (fInDeskbar) {
488 		menu->AddItem(new BMenuItem(B_TRANSLATE("Quit"),
489 			new BMessage(B_QUIT_REQUESTED)));
490 	}
491 	menu->SetTargetForItems(this);
492 
493 	ConvertToScreen(&point);
494 	menu->Go(point, true, true, true);
495 }
496 
497 
498 void
499 NetworkStatusView::_AboutRequested()
500 {
501 	BString about = B_TRANSLATE(
502 		"NetworkStatus\n\twritten by %1 and Hugo Santos\n\t%2, Haiku, Inc.\n"
503 		);
504 	about.ReplaceFirst("%1", "Axel Dörfler");
505 		// Append a new developer here
506 	about.ReplaceFirst("%2", "Copyright 2007-2010");
507 		// Append a new year here
508 	BAlert* alert = new BAlert("about", about, B_TRANSLATE("OK"));
509 	BTextView *view = alert->TextView();
510 	BFont font;
511 
512 	view->SetStylable(true);
513 
514 	view->GetFont(&font);
515 	font.SetSize(18);
516 	font.SetFace(B_BOLD_FACE);
517 	view->SetFontAndColor(0, 13, &font);
518 
519 	alert->Go();
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 
603 		// asynchronous alert in order to not block replicant host application
604 		alert->Go(NULL);
605 	}
606 }
607 
608 
609 //	#pragma mark -
610 
611 
612 extern "C" _EXPORT BView *
613 instantiate_deskbar_item(void)
614 {
615 	return new NetworkStatusView(BRect(0, 0, 15, 15),
616 		B_FOLLOW_LEFT | B_FOLLOW_TOP, true);
617 }
618 
619