xref: /haiku/src/apps/networkstatus/NetworkStatusView.cpp (revision 43c6828704aa3d0f358f47e18ccfb6dbb1e6fd47) 
1 /*
2  * Copyright 2006-2009, 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  */
10 
11 
12 #include "NetworkStatusView.h"
13 
14 #include <set>
15 
16 #include <arpa/inet.h>
17 #include <net/if.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/socket.h>
22 #include <sys/sockio.h>
23 #include <unistd.h>
24 
25 #include <Alert.h>
26 #include <Application.h>
27 #include <Catalog.h>
28 #include <Bitmap.h>
29 #include <Deskbar.h>
30 #include <Dragger.h>
31 #include <Drivers.h>
32 #include <IconUtils.h>
33 #include <Locale.h>
34 #include <MenuItem.h>
35 #include <MessageRunner.h>
36 #include <NetworkDevice.h>
37 #include <NetworkInterface.h>
38 #include <NetworkRoster.h>
39 #include <PopUpMenu.h>
40 #include <Resources.h>
41 #include <Roster.h>
42 #include <String.h>
43 #include <TextView.h>
44 
45 #include "NetworkStatus.h"
46 #include "NetworkStatusIcons.h"
47 #include "RadioView.h"
48 #include "WirelessNetworkMenuItem.h"
49 
50 
51 #undef B_TRANSLATE_CONTEXT
52 #define B_TRANSLATE_CONTEXT "NetworkStatusView"
53 
54 
55 static const char *kStatusDescriptions[] = {
56 	B_TRANSLATE("Unknown"),
57 	B_TRANSLATE("No link"),
58 	B_TRANSLATE("No stateful configuration"),
59 	B_TRANSLATE("Configuring"),
60 	B_TRANSLATE("Ready")
61 };
62 
63 extern "C" _EXPORT BView *instantiate_deskbar_item(void);
64 
65 
66 const uint32 kMsgShowConfiguration = 'shcf';
67 const uint32 kMsgOpenNetworkPreferences = 'onwp';
68 const uint32 kMsgJoinNetwork = 'join';
69 
70 const uint32 kMinIconWidth = 16;
71 const uint32 kMinIconHeight = 16;
72 
73 
74 class SocketOpener {
75 public:
76 	SocketOpener()
77 	{
78 		fSocket = socket(AF_INET, SOCK_DGRAM, 0);
79 	}
80 
81 	~SocketOpener()
82 	{
83 		close(fSocket);
84 	}
85 
86 	status_t InitCheck()
87 	{
88 		return fSocket >= 0 ? B_OK : B_ERROR;
89 	}
90 
91 	operator int() const
92 	{
93 		return fSocket;
94 	}
95 
96 private:
97 	int	fSocket;
98 };
99 
100 
101 //	#pragma mark -
102 
103 
104 NetworkStatusView::NetworkStatusView(BRect frame, int32 resizingMode,
105 		bool inDeskbar)
106 	: BView(frame, kDeskbarItemName, resizingMode,
107 		B_WILL_DRAW | B_FRAME_EVENTS),
108 	fInDeskbar(inDeskbar),
109 	fStatus(kStatusUnknown)
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 	if (fTrayIcons[fStatus] == NULL)
330 		return;
331 
332 	SetDrawingMode(B_OP_ALPHA);
333 	DrawBitmap(fTrayIcons[fStatus]);
334 	SetDrawingMode(B_OP_COPY);
335 }
336 
337 
338 void
339 NetworkStatusView::_ShowConfiguration(BMessage* message)
340 {
341 	static const struct information_entry {
342 		const char*	label;
343 		int32		control;
344 	} kInformationEntries[] = {
345 		{ B_TRANSLATE("Address"), SIOCGIFADDR },
346 		{ B_TRANSLATE("Broadcast"), SIOCGIFBRDADDR },
347 		{ B_TRANSLATE("Netmask"), SIOCGIFNETMASK },
348 		{ NULL }
349 	};
350 
351 	SocketOpener socket;
352 	if (socket.InitCheck() != B_OK)
353 		return;
354 
355 	const char* name;
356 	if (message->FindString("interface", &name) != B_OK)
357 		return;
358 
359 	ifreq request;
360 	if (!_PrepareRequest(request, name))
361 		return;
362 
363 	BString text(B_TRANSLATE("%ifaceName information:\n"));
364 	text.ReplaceFirst("%ifaceName", name);
365 
366 	size_t boldLength = text.Length();
367 
368 	for (int i = 0; kInformationEntries[i].label; i++) {
369 		if (ioctl(socket, kInformationEntries[i].control, &request,
370 				sizeof(request)) < 0) {
371 			continue;
372 		}
373 
374 		char address[32];
375 		sockaddr_in* inetAddress = NULL;
376 		switch (kInformationEntries[i].control) {
377 			case SIOCGIFNETMASK:
378 				inetAddress = (sockaddr_in*)&request.ifr_mask;
379 				break;
380 			default:
381 				inetAddress = (sockaddr_in*)&request.ifr_addr;
382 				break;
383 		}
384 
385 		if (inet_ntop(AF_INET, &inetAddress->sin_addr, address,
386 				sizeof(address)) == NULL) {
387 			return;
388 		}
389 
390 		text << "\n" << kInformationEntries[i].label << ": " << address;
391 	}
392 
393 	BAlert* alert = new BAlert(name, text.String(), B_TRANSLATE("OK"));
394 	BTextView* view = alert->TextView();
395 	BFont font;
396 
397 	view->SetStylable(true);
398 	view->GetFont(&font);
399 	font.SetFace(B_BOLD_FACE);
400 	view->SetFontAndColor(0, boldLength, &font);
401 
402 	alert->Go(NULL);
403 }
404 
405 
406 void
407 NetworkStatusView::MouseDown(BPoint point)
408 {
409 	BPopUpMenu* menu = new BPopUpMenu(B_EMPTY_STRING, false, false);
410 	menu->SetAsyncAutoDestruct(true);
411 	menu->SetFont(be_plain_font);
412 
413 	// Add interfaces
414 
415 	for (int32 i = 0; i < fInterfaces.CountItems(); i++) {
416 		BString& name = *fInterfaces.ItemAt(i);
417 
418 		BString label = name;
419 		label += ": ";
420 		label += kStatusDescriptions[
421 			_DetermineInterfaceStatus(name.String())];
422 
423 		BMessage* info = new BMessage(kMsgShowConfiguration);
424 		info->AddString("interface", name.String());
425 		menu->AddItem(new BMenuItem(label.String(), info));
426 	}
427 
428 	if (!fInterfaces.IsEmpty())
429 		menu->AddSeparatorItem();
430 
431 	// Add wireless networks, if any
432 
433 	for (int32 i = 0; i < fInterfaces.CountItems(); i++) {
434 		BNetworkDevice device(fInterfaces.ItemAt(i)->String());
435 		if (!device.IsWireless())
436 			continue;
437 
438 		std::set<BNetworkAddress> associated;
439 		BNetworkAddress address;
440 		uint32 cookie = 0;
441 		while (device.GetNextAssociatedNetwork(cookie, address) == B_OK)
442 			associated.insert(address);
443 
444 		wireless_network network;
445 		int32 count = 0;
446 		cookie = 0;
447 		while (device.GetNextNetwork(cookie, network) == B_OK) {
448 			BMessage* message = new BMessage(kMsgJoinNetwork);
449 			message->AddString("device", device.Name());
450 			message->AddString("name", network.name);
451 
452 			BMenuItem* item = new WirelessNetworkMenuItem(network.name,
453 				network.signal_strength,
454 				(network.flags & B_NETWORK_IS_ENCRYPTED) != 0, message);
455 			menu->AddItem(item);
456 			if (associated.find(network.address) != associated.end())
457 				item->SetMarked(true);
458 
459 			count++;
460 		}
461 		if (count == 0) {
462 			BMenuItem* item = new BMenuItem(
463 				B_TRANSLATE("<no wireless networks found>"), NULL);
464 			item->SetEnabled(false);
465 			menu->AddItem(item);
466 		}
467 		menu->AddSeparatorItem();
468 
469 		// We only show the networks of the first wireless device we find.
470 		break;
471 	}
472 
473 	menu->AddItem(new BMenuItem(B_TRANSLATE(
474 		"Open network preferences" B_UTF8_ELLIPSIS),
475 		new BMessage(kMsgOpenNetworkPreferences)));
476 
477 	if (fInDeskbar) {
478 		menu->AddItem(new BMenuItem(B_TRANSLATE("Quit"),
479 			new BMessage(B_QUIT_REQUESTED)));
480 	}
481 	menu->SetTargetForItems(this);
482 
483 	ConvertToScreen(&point);
484 	menu->Go(point, true, true, true);
485 }
486 
487 
488 void
489 NetworkStatusView::_AboutRequested()
490 {
491 	BString about = B_TRANSLATE(
492 		"NetworkStatus\n\twritten by %1 and Hugo Santos\n\t%2, Haiku, Inc.\n"
493 		);
494 	about.ReplaceFirst("%1", "Axel Dörfler");
495 		// Append a new developer here
496 	about.ReplaceFirst("%2", "Copyright 2007-2010");
497 		// Append a new year here
498 	BAlert* alert = new BAlert("about", about, B_TRANSLATE("OK"));
499 	BTextView *view = alert->TextView();
500 	BFont font;
501 
502 	view->SetStylable(true);
503 
504 	view->GetFont(&font);
505 	font.SetSize(18);
506 	font.SetFace(B_BOLD_FACE);
507 	view->SetFontAndColor(0, 13, &font);
508 
509 	alert->Go();
510 }
511 
512 
513 bool
514 NetworkStatusView::_PrepareRequest(struct ifreq& request, const char* name)
515 {
516 	if (strlen(name) > IF_NAMESIZE)
517 		return false;
518 
519 	strcpy(request.ifr_name, name);
520 	return true;
521 }
522 
523 
524 int32
525 NetworkStatusView::_DetermineInterfaceStatus(const char* name)
526 {
527 	BNetworkInterface interface(name);
528 	uint32 flags = interface.Flags();
529 	int32 status = kStatusNoLink;
530 
531 	// TODO: no kStatusLinkNoConfig yet
532 
533 	if (flags & IFF_CONFIGURING)
534 		status = kStatusConnecting;
535 	else if ((flags & (IFF_UP | IFF_LINK)) == (IFF_UP | IFF_LINK))
536 		status = kStatusReady;
537 
538 	return status;
539 }
540 
541 
542 void
543 NetworkStatusView::_Update(bool force)
544 {
545 	int32 oldStatus = fStatus;
546 	fStatus = kStatusUnknown;
547 	fInterfaces.MakeEmpty();
548 
549 	BNetworkRoster& roster = BNetworkRoster::Default();
550 	BNetworkInterface interface;
551 	uint32 cookie = 0;
552 
553 	while (roster.GetNextInterface(&cookie, interface) == B_OK) {
554 		if ((interface.Flags() & IFF_LOOPBACK) == 0) {
555 			fInterfaces.AddItem(new BString(interface.Name()));
556 			int32 status = _DetermineInterfaceStatus(interface.Name());
557 			if (status > fStatus)
558 				fStatus = status;
559 		}
560 	}
561 
562 	if (fStatus != oldStatus) {
563 		// A little notification on major status changes for primary interface
564 		BNotification notification(B_INFORMATION_NOTIFICATION);
565 		notification.SetGroup(B_TRANSLATE("Network Status"));
566 		notification.SetTitle(interface.Name());
567 		notification.SetMessageID(interface.Name());
568 		notification.SetIcon(fNotifyIcons[fStatus]);
569 		if (fStatus == kStatusConnecting
570 			|| (fStatus == kStatusReady && oldStatus == kStatusConnecting)
571 			|| (fStatus == kStatusNoLink && oldStatus == kStatusReady)
572 			|| (fStatus == kStatusNoLink && oldStatus == kStatusConnecting)) {
573 			// A significant state change, raise notification.
574 			notification.SetContent(kStatusDescriptions[fStatus]);
575 			notification.Send();
576 		}
577 
578 		Invalidate();
579 	}
580 }
581 
582 
583 void
584 NetworkStatusView::_OpenNetworksPreferences()
585 {
586 	status_t status = be_roster->Launch("application/x-vnd.Haiku-Network");
587 	if (status != B_OK && status != B_ALREADY_RUNNING) {
588 		BString errorMessage(B_TRANSLATE("Launching the network preflet "
589 			"failed.\n\nError: "));
590 		errorMessage << strerror(status);
591 		BAlert* alert = new BAlert("launch error", errorMessage.String(),
592 			B_TRANSLATE("OK"));
593 
594 		// asynchronous alert in order to not block replicant host application
595 		alert->Go(NULL);
596 	}
597 }
598 
599 
600 //	#pragma mark -
601 
602 
603 extern "C" _EXPORT BView *
604 instantiate_deskbar_item(void)
605 {
606 	return new NetworkStatusView(BRect(0, 0, 15, 15),
607 		B_FOLLOW_LEFT | B_FOLLOW_TOP, true);
608 }
609 
610