xref: /haiku/src/apps/networkstatus/NetworkStatusView.cpp (revision e914c544a77e36317afb4a9b5f812d02e597fa3d)
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 <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_TRANSLATION_CONTEXT
53 #define B_TRANSLATION_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() != NULL) {
247 		if ((Parent()->Flags() & B_DRAW_ON_CHILDREN) != 0)
248 			SetViewColor(B_TRANSPARENT_COLOR);
249 		else
250 			SetViewColor(Parent()->ViewColor());
251 	} else
252 		SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
253 
254 	SetLowColor(ViewColor());
255 
256 	start_watching_network(
257 		B_WATCH_NETWORK_INTERFACE_CHANGES | B_WATCH_NETWORK_LINK_CHANGES, this);
258 
259 	_Update();
260 }
261 
262 
263 void
264 NetworkStatusView::DetachedFromWindow()
265 {
266 	stop_watching_network(this);
267 }
268 
269 
270 void
271 NetworkStatusView::MessageReceived(BMessage* message)
272 {
273 	switch (message->what) {
274 		case B_NETWORK_MONITOR:
275 			_Update();
276 			break;
277 
278 		case kMsgShowConfiguration:
279 			_ShowConfiguration(message);
280 			break;
281 
282 		case kMsgOpenNetworkPreferences:
283 			_OpenNetworksPreferences();
284 			break;
285 
286 		case kMsgJoinNetwork:
287 		{
288 			const char* deviceName;
289 			const char* name;
290 			if (message->FindString("device", &deviceName) == B_OK
291 				&& message->FindString("name", &name) == B_OK) {
292 				BNetworkDevice device(deviceName);
293 				status_t status = device.JoinNetwork(name);
294 				if (status != B_OK) {
295 					BString text
296 						= B_TRANSLATE("Could not join wireless network:\n");
297 					text << strerror(status);
298 					BAlert* alert = new BAlert(name, text.String(),
299 						B_TRANSLATE("OK"), NULL, NULL, B_WIDTH_AS_USUAL,
300 						B_STOP_ALERT);
301 					alert->Go(NULL);
302 				}
303 			}
304 			break;
305 		}
306 
307 		case B_ABOUT_REQUESTED:
308 			_AboutRequested();
309 			break;
310 
311 		case B_QUIT_REQUESTED:
312 			_Quit();
313 			break;
314 
315 		default:
316 			BView::MessageReceived(message);
317 	}
318 }
319 
320 
321 void
322 NetworkStatusView::FrameResized(float width, float height)
323 {
324 	_UpdateBitmaps();
325 	Invalidate();
326 }
327 
328 
329 void
330 NetworkStatusView::Draw(BRect updateRect)
331 {
332 	int32 status = kStatusUnknown;
333 	for (std::map<BString, int32>::const_iterator it
334 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
335 		if (it->second > status)
336 			status = it->second;
337 	}
338 
339 	if (fTrayIcons[status] == NULL)
340 		return;
341 
342 	SetDrawingMode(B_OP_ALPHA);
343 	DrawBitmap(fTrayIcons[status]);
344 	SetDrawingMode(B_OP_COPY);
345 }
346 
347 
348 void
349 NetworkStatusView::_ShowConfiguration(BMessage* message)
350 {
351 	static const struct information_entry {
352 		const char*	label;
353 		int32		control;
354 	} kInformationEntries[] = {
355 		{ B_TRANSLATE("Address"), SIOCGIFADDR },
356 		{ B_TRANSLATE("Broadcast"), SIOCGIFBRDADDR },
357 		{ B_TRANSLATE("Netmask"), SIOCGIFNETMASK },
358 		{ NULL }
359 	};
360 
361 	SocketOpener socket;
362 	if (socket.InitCheck() != B_OK)
363 		return;
364 
365 	const char* name;
366 	if (message->FindString("interface", &name) != B_OK)
367 		return;
368 
369 	ifreq request;
370 	if (!_PrepareRequest(request, name))
371 		return;
372 
373 	BString text(B_TRANSLATE("%ifaceName information:\n"));
374 	text.ReplaceFirst("%ifaceName", name);
375 
376 	size_t boldLength = text.Length();
377 
378 	for (int i = 0; kInformationEntries[i].label; i++) {
379 		if (ioctl(socket, kInformationEntries[i].control, &request,
380 				sizeof(request)) < 0) {
381 			continue;
382 		}
383 
384 		char address[32];
385 		sockaddr_in* inetAddress = NULL;
386 		switch (kInformationEntries[i].control) {
387 			case SIOCGIFNETMASK:
388 				inetAddress = (sockaddr_in*)&request.ifr_mask;
389 				break;
390 			default:
391 				inetAddress = (sockaddr_in*)&request.ifr_addr;
392 				break;
393 		}
394 
395 		if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
396 				sizeof(address)) == NULL) {
397 			return;
398 		}
399 
400 		text << "\n" << kInformationEntries[i].label << ": " << address;
401 	}
402 
403 	BAlert* alert = new BAlert(name, text.String(), B_TRANSLATE("OK"));
404 	BTextView* view = alert->TextView();
405 	BFont font;
406 
407 	view->SetStylable(true);
408 	view->GetFont(&font);
409 	font.SetFace(B_BOLD_FACE);
410 	view->SetFontAndColor(0, boldLength, &font);
411 
412 	alert->Go(NULL);
413 }
414 
415 
416 void
417 NetworkStatusView::MouseDown(BPoint point)
418 {
419 	BPopUpMenu* menu = new BPopUpMenu(B_EMPTY_STRING, false, false);
420 	menu->SetAsyncAutoDestruct(true);
421 	menu->SetFont(be_plain_font);
422 	BString wifiInterface;
423 	BNetworkDevice wifiDevice;
424 
425 	// Add interfaces
426 
427 	for (std::map<BString, int32>::const_iterator it
428 		= fInterfaceStatuses.begin(); it != fInterfaceStatuses.end(); ++it) {
429 		const BString& name = it->first;
430 
431 		BString label = name;
432 		label += ": ";
433 		label += kStatusDescriptions[
434 			_DetermineInterfaceStatus(name.String())];
435 
436 		BMessage* info = new BMessage(kMsgShowConfiguration);
437 		info->AddString("interface", name.String());
438 		menu->AddItem(new BMenuItem(label.String(), info));
439 
440 		// We only show the networks of the first wireless device we find.
441 		if (wifiInterface.IsEmpty()) {
442 			wifiDevice.SetTo(name);
443 			if (wifiDevice.IsWireless())
444 				wifiInterface = name;
445 		}
446 	}
447 
448 	if (!fInterfaceStatuses.empty())
449 		menu->AddSeparatorItem();
450 
451 	// Add wireless networks, if any
452 
453 	if (!wifiInterface.IsEmpty()) {
454 		std::set<BNetworkAddress> associated;
455 		BNetworkAddress address;
456 		uint32 cookie = 0;
457 		while (wifiDevice.GetNextAssociatedNetwork(cookie, address) == B_OK)
458 			associated.insert(address);
459 
460 		wireless_network network;
461 		int32 count = 0;
462 		cookie = 0;
463 		while (wifiDevice.GetNextNetwork(cookie, network) == B_OK) {
464 			BMessage* message = new BMessage(kMsgJoinNetwork);
465 			message->AddString("device", wifiInterface);
466 			message->AddString("name", network.name);
467 
468 			BMenuItem* item = new WirelessNetworkMenuItem(network.name,
469 				network.signal_strength,
470 				(network.flags & B_NETWORK_IS_ENCRYPTED) != 0, message);
471 			menu->AddItem(item);
472 			if (associated.find(network.address) != associated.end())
473 				item->SetMarked(true);
474 
475 			count++;
476 		}
477 		if (count == 0) {
478 			BMenuItem* item = new BMenuItem(
479 				B_TRANSLATE("<no wireless networks found>"), NULL);
480 			item->SetEnabled(false);
481 			menu->AddItem(item);
482 		}
483 		menu->AddSeparatorItem();
484 	}
485 
486 	menu->AddItem(new BMenuItem(B_TRANSLATE(
487 		"Open network preferences" B_UTF8_ELLIPSIS),
488 		new BMessage(kMsgOpenNetworkPreferences)));
489 
490 	if (fInDeskbar) {
491 		menu->AddItem(new BMenuItem(B_TRANSLATE("Quit"),
492 			new BMessage(B_QUIT_REQUESTED)));
493 	}
494 	menu->SetTargetForItems(this);
495 
496 	ConvertToScreen(&point);
497 	menu->Go(point, true, true, true);
498 }
499 
500 
501 void
502 NetworkStatusView::_AboutRequested()
503 {
504 	BString about = B_TRANSLATE(
505 		"NetworkStatus\n\twritten by %1 and Hugo Santos\n\t%2, Haiku, Inc.\n"
506 		);
507 	about.ReplaceFirst("%1", "Axel Dörfler");
508 		// Append a new developer here
509 	about.ReplaceFirst("%2", "Copyright 2007-2010");
510 		// Append a new year here
511 	BAlert* alert = new BAlert("about", about, B_TRANSLATE("OK"));
512 	BTextView *view = alert->TextView();
513 	BFont font;
514 
515 	view->SetStylable(true);
516 
517 	view->GetFont(&font);
518 	font.SetSize(18);
519 	font.SetFace(B_BOLD_FACE);
520 	view->SetFontAndColor(0, 13, &font);
521 
522 	alert->Go();
523 }
524 
525 
526 bool
527 NetworkStatusView::_PrepareRequest(struct ifreq& request, const char* name)
528 {
529 	if (strlen(name) > IF_NAMESIZE)
530 		return false;
531 
532 	strcpy(request.ifr_name, name);
533 	return true;
534 }
535 
536 
537 int32
538 NetworkStatusView::_DetermineInterfaceStatus(
539 	const BNetworkInterface& interface)
540 {
541 	uint32 flags = interface.Flags();
542 	int32 status = kStatusNoLink;
543 
544 	// TODO: no kStatusLinkNoConfig yet
545 
546 	if (flags & IFF_CONFIGURING)
547 		status = kStatusConnecting;
548 	else if ((flags & (IFF_UP | IFF_LINK)) == (IFF_UP | IFF_LINK))
549 		status = kStatusReady;
550 
551 	return status;
552 }
553 
554 
555 void
556 NetworkStatusView::_Update(bool force)
557 {
558 	BNetworkRoster& roster = BNetworkRoster::Default();
559 	BNetworkInterface interface;
560 	uint32 cookie = 0;
561 
562 	while (roster.GetNextInterface(&cookie, interface) == B_OK) {
563 		if ((interface.Flags() & IFF_LOOPBACK) == 0) {
564 			int32 oldStatus = kStatusUnknown;
565 			if (fInterfaceStatuses.find(interface.Name())
566 				!= fInterfaceStatuses.end()) {
567 				oldStatus = fInterfaceStatuses[interface.Name()];
568 			}
569 			int32 status = _DetermineInterfaceStatus(interface);
570 			if (oldStatus != status) {
571 				BNotification notification(B_INFORMATION_NOTIFICATION);
572 				notification.SetGroup(B_TRANSLATE("Network Status"));
573 				notification.SetTitle(interface.Name());
574 				notification.SetMessageID(interface.Name());
575 				notification.SetIcon(fNotifyIcons[status]);
576 				if (status == kStatusConnecting
577 					|| (status == kStatusReady
578 						&& oldStatus == kStatusConnecting)
579 					|| (status == kStatusNoLink
580 						&& oldStatus == kStatusReady)
581 					|| (status == kStatusNoLink
582 						&& oldStatus == kStatusConnecting)) {
583 					// A significant state change, raise notification.
584 					notification.SetContent(kStatusDescriptions[status]);
585 					notification.Send();
586 				}
587 				Invalidate();
588 			}
589 			fInterfaceStatuses[interface.Name()] = status;
590 		}
591 	}
592 }
593 
594 
595 void
596 NetworkStatusView::_OpenNetworksPreferences()
597 {
598 	status_t status = be_roster->Launch("application/x-vnd.Haiku-Network");
599 	if (status != B_OK && status != B_ALREADY_RUNNING) {
600 		BString errorMessage(B_TRANSLATE("Launching the network preflet "
601 			"failed.\n\nError: "));
602 		errorMessage << strerror(status);
603 		BAlert* alert = new BAlert("launch error", errorMessage.String(),
604 			B_TRANSLATE("OK"));
605 
606 		// asynchronous alert in order to not block replicant host application
607 		alert->Go(NULL);
608 	}
609 }
610 
611 
612 //	#pragma mark -
613 
614 
615 extern "C" _EXPORT BView *
616 instantiate_deskbar_item(void)
617 {
618 	return new NetworkStatusView(BRect(0, 0, 15, 15),
619 		B_FOLLOW_LEFT | B_FOLLOW_TOP, true);
620 }
621 
622