1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "dbus/test_service.h"
6
7 #include "base/bind.h"
8 #include "base/test/test_timeouts.h"
9 #include "base/threading/platform_thread.h"
10 #include "dbus/bus.h"
11 #include "dbus/exported_object.h"
12 #include "dbus/message.h"
13 #include "dbus/object_manager.h"
14 #include "dbus/object_path.h"
15 #include "dbus/property.h"
16
17 namespace {
18
EmptyCallback(bool)19 void EmptyCallback(bool /* success */) {
20 }
21
22 } // namespace
23
24 namespace dbus {
25
26 // Echo, SlowEcho, AsyncEcho, BrokenMethod, GetAll, Get, Set, PerformAction,
27 // GetManagedObjects.
28 const int TestService::kNumMethodsToExport = 9;
29
Options()30 TestService::Options::Options()
31 : request_ownership_options(Bus::REQUIRE_PRIMARY) {
32 }
33
~Options()34 TestService::Options::~Options() {
35 }
36
TestService(const Options & options)37 TestService::TestService(const Options& options)
38 : base::Thread("TestService"),
39 request_ownership_options_(options.request_ownership_options),
40 dbus_task_runner_(options.dbus_task_runner),
41 on_name_obtained_(false, false),
42 num_exported_methods_(0) {
43 }
44
~TestService()45 TestService::~TestService() {
46 Stop();
47 }
48
StartService()49 bool TestService::StartService() {
50 base::Thread::Options thread_options;
51 thread_options.message_loop_type = base::MessageLoop::TYPE_IO;
52 return StartWithOptions(thread_options);
53 }
54
WaitUntilServiceIsStarted()55 bool TestService::WaitUntilServiceIsStarted() {
56 const base::TimeDelta timeout(TestTimeouts::action_max_timeout());
57 // Wait until the ownership of the service name is obtained.
58 return on_name_obtained_.TimedWait(timeout);
59 }
60
ShutdownAndBlock()61 void TestService::ShutdownAndBlock() {
62 message_loop()->PostTask(
63 FROM_HERE,
64 base::Bind(&TestService::ShutdownAndBlockInternal,
65 base::Unretained(this)));
66 }
67
HasDBusThread()68 bool TestService::HasDBusThread() {
69 return bus_->HasDBusThread();
70 }
71
ShutdownAndBlockInternal()72 void TestService::ShutdownAndBlockInternal() {
73 if (HasDBusThread())
74 bus_->ShutdownOnDBusThreadAndBlock();
75 else
76 bus_->ShutdownAndBlock();
77 }
78
SendTestSignal(const std::string & message)79 void TestService::SendTestSignal(const std::string& message) {
80 message_loop()->PostTask(
81 FROM_HERE,
82 base::Bind(&TestService::SendTestSignalInternal,
83 base::Unretained(this),
84 message));
85 }
86
SendTestSignalFromRoot(const std::string & message)87 void TestService::SendTestSignalFromRoot(const std::string& message) {
88 message_loop()->PostTask(
89 FROM_HERE,
90 base::Bind(&TestService::SendTestSignalFromRootInternal,
91 base::Unretained(this),
92 message));
93 }
94
SendTestSignalInternal(const std::string & message)95 void TestService::SendTestSignalInternal(const std::string& message) {
96 Signal signal("org.chromium.TestInterface", "Test");
97 MessageWriter writer(&signal);
98 writer.AppendString(message);
99 exported_object_->SendSignal(&signal);
100 }
101
SendTestSignalFromRootInternal(const std::string & message)102 void TestService::SendTestSignalFromRootInternal(const std::string& message) {
103 Signal signal("org.chromium.TestInterface", "Test");
104 MessageWriter writer(&signal);
105 writer.AppendString(message);
106
107 bus_->RequestOwnership("org.chromium.TestService",
108 request_ownership_options_,
109 base::Bind(&TestService::OnOwnership,
110 base::Unretained(this),
111 base::Bind(&EmptyCallback)));
112
113 // Use "/" just like dbus-send does.
114 ExportedObject* root_object = bus_->GetExportedObject(ObjectPath("/"));
115 root_object->SendSignal(&signal);
116 }
117
RequestOwnership(base::Callback<void (bool)> callback)118 void TestService::RequestOwnership(base::Callback<void(bool)> callback) {
119 message_loop()->PostTask(
120 FROM_HERE,
121 base::Bind(&TestService::RequestOwnershipInternal,
122 base::Unretained(this),
123 callback));
124 }
125
RequestOwnershipInternal(base::Callback<void (bool)> callback)126 void TestService::RequestOwnershipInternal(
127 base::Callback<void(bool)> callback) {
128 bus_->RequestOwnership("org.chromium.TestService",
129 request_ownership_options_,
130 base::Bind(&TestService::OnOwnership,
131 base::Unretained(this),
132 callback));
133 }
134
OnOwnership(base::Callback<void (bool)> callback,const std::string & service_name,bool success)135 void TestService::OnOwnership(base::Callback<void(bool)> callback,
136 const std::string& service_name,
137 bool success) {
138 has_ownership_ = success;
139 LOG_IF(ERROR, !success) << "Failed to own: " << service_name;
140 callback.Run(success);
141
142 on_name_obtained_.Signal();
143 }
144
ReleaseOwnership(base::Closure callback)145 void TestService::ReleaseOwnership(base::Closure callback) {
146 bus_->GetDBusTaskRunner()->PostTask(
147 FROM_HERE,
148 base::Bind(&TestService::ReleaseOwnershipInternal,
149 base::Unretained(this),
150 callback));
151 }
152
ReleaseOwnershipInternal(base::Closure callback)153 void TestService::ReleaseOwnershipInternal(
154 base::Closure callback) {
155 bus_->ReleaseOwnership("org.chromium.TestService");
156 has_ownership_ = false;
157
158 bus_->GetOriginTaskRunner()->PostTask(
159 FROM_HERE,
160 callback);
161 }
162
OnExported(const std::string & interface_name,const std::string & method_name,bool success)163 void TestService::OnExported(const std::string& interface_name,
164 const std::string& method_name,
165 bool success) {
166 if (!success) {
167 LOG(ERROR) << "Failed to export: " << interface_name << "."
168 << method_name;
169 // Returning here will make WaitUntilServiceIsStarted() to time out
170 // and return false.
171 return;
172 }
173
174 ++num_exported_methods_;
175 if (num_exported_methods_ == kNumMethodsToExport) {
176 // As documented in exported_object.h, the service name should be
177 // requested after all methods are exposed.
178 bus_->RequestOwnership("org.chromium.TestService",
179 request_ownership_options_,
180 base::Bind(&TestService::OnOwnership,
181 base::Unretained(this),
182 base::Bind(&EmptyCallback)));
183 }
184 }
185
Run(base::MessageLoop * message_loop)186 void TestService::Run(base::MessageLoop* message_loop) {
187 Bus::Options bus_options;
188 bus_options.bus_type = Bus::SESSION;
189 bus_options.connection_type = Bus::PRIVATE;
190 bus_options.dbus_task_runner = dbus_task_runner_;
191 bus_ = new Bus(bus_options);
192
193 exported_object_ = bus_->GetExportedObject(
194 ObjectPath("/org/chromium/TestObject"));
195
196 int num_methods = 0;
197 exported_object_->ExportMethod(
198 "org.chromium.TestInterface",
199 "Echo",
200 base::Bind(&TestService::Echo,
201 base::Unretained(this)),
202 base::Bind(&TestService::OnExported,
203 base::Unretained(this)));
204 ++num_methods;
205
206 exported_object_->ExportMethod(
207 "org.chromium.TestInterface",
208 "SlowEcho",
209 base::Bind(&TestService::SlowEcho,
210 base::Unretained(this)),
211 base::Bind(&TestService::OnExported,
212 base::Unretained(this)));
213 ++num_methods;
214
215 exported_object_->ExportMethod(
216 "org.chromium.TestInterface",
217 "AsyncEcho",
218 base::Bind(&TestService::AsyncEcho,
219 base::Unretained(this)),
220 base::Bind(&TestService::OnExported,
221 base::Unretained(this)));
222 ++num_methods;
223
224 exported_object_->ExportMethod(
225 "org.chromium.TestInterface",
226 "BrokenMethod",
227 base::Bind(&TestService::BrokenMethod,
228 base::Unretained(this)),
229 base::Bind(&TestService::OnExported,
230 base::Unretained(this)));
231 ++num_methods;
232
233 exported_object_->ExportMethod(
234 "org.chromium.TestInterface",
235 "PerformAction",
236 base::Bind(&TestService::PerformAction,
237 base::Unretained(this)),
238 base::Bind(&TestService::OnExported,
239 base::Unretained(this)));
240 ++num_methods;
241
242 exported_object_->ExportMethod(
243 kPropertiesInterface,
244 kPropertiesGetAll,
245 base::Bind(&TestService::GetAllProperties,
246 base::Unretained(this)),
247 base::Bind(&TestService::OnExported,
248 base::Unretained(this)));
249 ++num_methods;
250
251 exported_object_->ExportMethod(
252 kPropertiesInterface,
253 kPropertiesGet,
254 base::Bind(&TestService::GetProperty,
255 base::Unretained(this)),
256 base::Bind(&TestService::OnExported,
257 base::Unretained(this)));
258 ++num_methods;
259
260 exported_object_->ExportMethod(
261 kPropertiesInterface,
262 kPropertiesSet,
263 base::Bind(&TestService::SetProperty,
264 base::Unretained(this)),
265 base::Bind(&TestService::OnExported,
266 base::Unretained(this)));
267 ++num_methods;
268
269 exported_object_manager_ = bus_->GetExportedObject(
270 ObjectPath("/org/chromium/TestService"));
271
272 exported_object_manager_->ExportMethod(
273 kObjectManagerInterface,
274 kObjectManagerGetManagedObjects,
275 base::Bind(&TestService::GetManagedObjects,
276 base::Unretained(this)),
277 base::Bind(&TestService::OnExported,
278 base::Unretained(this)));
279 ++num_methods;
280
281 // Just print an error message as we don't want to crash tests.
282 // Tests will fail at a call to WaitUntilServiceIsStarted().
283 if (num_methods != kNumMethodsToExport) {
284 LOG(ERROR) << "The number of methods does not match";
285 }
286 message_loop->Run();
287 }
288
Echo(MethodCall * method_call,ExportedObject::ResponseSender response_sender)289 void TestService::Echo(MethodCall* method_call,
290 ExportedObject::ResponseSender response_sender) {
291 MessageReader reader(method_call);
292 std::string text_message;
293 if (!reader.PopString(&text_message)) {
294 response_sender.Run(scoped_ptr<Response>());
295 return;
296 }
297
298 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
299 MessageWriter writer(response.get());
300 writer.AppendString(text_message);
301 response_sender.Run(response.Pass());
302 }
303
SlowEcho(MethodCall * method_call,ExportedObject::ResponseSender response_sender)304 void TestService::SlowEcho(MethodCall* method_call,
305 ExportedObject::ResponseSender response_sender) {
306 base::PlatformThread::Sleep(TestTimeouts::tiny_timeout());
307 Echo(method_call, response_sender);
308 }
309
AsyncEcho(MethodCall * method_call,ExportedObject::ResponseSender response_sender)310 void TestService::AsyncEcho(MethodCall* method_call,
311 ExportedObject::ResponseSender response_sender) {
312 // Schedule a call to Echo() to send an asynchronous response after we return.
313 message_loop()->PostDelayedTask(FROM_HERE,
314 base::Bind(&TestService::Echo,
315 base::Unretained(this),
316 method_call,
317 response_sender),
318 TestTimeouts::tiny_timeout());
319 }
320
BrokenMethod(MethodCall * method_call,ExportedObject::ResponseSender response_sender)321 void TestService::BrokenMethod(MethodCall* method_call,
322 ExportedObject::ResponseSender response_sender) {
323 response_sender.Run(scoped_ptr<Response>());
324 }
325
326
GetAllProperties(MethodCall * method_call,ExportedObject::ResponseSender response_sender)327 void TestService::GetAllProperties(
328 MethodCall* method_call,
329 ExportedObject::ResponseSender response_sender) {
330 MessageReader reader(method_call);
331 std::string interface;
332 if (!reader.PopString(&interface)) {
333 response_sender.Run(scoped_ptr<Response>());
334 return;
335 }
336
337 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
338 MessageWriter writer(response.get());
339
340 AddPropertiesToWriter(&writer);
341
342 response_sender.Run(response.Pass());
343 }
344
GetProperty(MethodCall * method_call,ExportedObject::ResponseSender response_sender)345 void TestService::GetProperty(MethodCall* method_call,
346 ExportedObject::ResponseSender response_sender) {
347 MessageReader reader(method_call);
348 std::string interface;
349 if (!reader.PopString(&interface)) {
350 response_sender.Run(scoped_ptr<Response>());
351 return;
352 }
353
354 std::string name;
355 if (!reader.PopString(&name)) {
356 response_sender.Run(scoped_ptr<Response>());
357 return;
358 }
359
360 if (name == "Name") {
361 // Return the previous value for the "Name" property:
362 // Variant<"TestService">
363 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
364 MessageWriter writer(response.get());
365
366 writer.AppendVariantOfString("TestService");
367
368 response_sender.Run(response.Pass());
369 } else if (name == "Version") {
370 // Return a new value for the "Version" property:
371 // Variant<20>
372 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
373 MessageWriter writer(response.get());
374
375 writer.AppendVariantOfInt16(20);
376
377 response_sender.Run(response.Pass());
378 } else if (name == "Methods") {
379 // Return the previous value for the "Methods" property:
380 // Variant<["Echo", "SlowEcho", "AsyncEcho", "BrokenMethod"]>
381 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
382 MessageWriter writer(response.get());
383 MessageWriter variant_writer(NULL);
384 MessageWriter variant_array_writer(NULL);
385
386 writer.OpenVariant("as", &variant_writer);
387 variant_writer.OpenArray("s", &variant_array_writer);
388 variant_array_writer.AppendString("Echo");
389 variant_array_writer.AppendString("SlowEcho");
390 variant_array_writer.AppendString("AsyncEcho");
391 variant_array_writer.AppendString("BrokenMethod");
392 variant_writer.CloseContainer(&variant_array_writer);
393 writer.CloseContainer(&variant_writer);
394
395 response_sender.Run(response.Pass());
396 } else if (name == "Objects") {
397 // Return the previous value for the "Objects" property:
398 // Variant<[objectpath:"/TestObjectPath"]>
399 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
400 MessageWriter writer(response.get());
401 MessageWriter variant_writer(NULL);
402 MessageWriter variant_array_writer(NULL);
403
404 writer.OpenVariant("ao", &variant_writer);
405 variant_writer.OpenArray("o", &variant_array_writer);
406 variant_array_writer.AppendObjectPath(ObjectPath("/TestObjectPath"));
407 variant_writer.CloseContainer(&variant_array_writer);
408 writer.CloseContainer(&variant_writer);
409
410 response_sender.Run(response.Pass());
411 } else if (name == "Bytes") {
412 // Return the previous value for the "Bytes" property:
413 // Variant<[0x54, 0x65, 0x73, 0x74]>
414 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
415 MessageWriter writer(response.get());
416 MessageWriter variant_writer(NULL);
417 MessageWriter variant_array_writer(NULL);
418
419 writer.OpenVariant("ay", &variant_writer);
420 const uint8 bytes[] = { 0x54, 0x65, 0x73, 0x74 };
421 variant_writer.AppendArrayOfBytes(bytes, sizeof(bytes));
422 writer.CloseContainer(&variant_writer);
423
424 response_sender.Run(response.Pass());
425 } else {
426 // Return error.
427 response_sender.Run(scoped_ptr<Response>());
428 return;
429 }
430 }
431
SetProperty(MethodCall * method_call,ExportedObject::ResponseSender response_sender)432 void TestService::SetProperty(MethodCall* method_call,
433 ExportedObject::ResponseSender response_sender) {
434 MessageReader reader(method_call);
435 std::string interface;
436 if (!reader.PopString(&interface)) {
437 response_sender.Run(scoped_ptr<Response>());
438 return;
439 }
440
441 std::string name;
442 if (!reader.PopString(&name)) {
443 response_sender.Run(scoped_ptr<Response>());
444 return;
445 }
446
447 if (name != "Name") {
448 response_sender.Run(scoped_ptr<Response>());
449 return;
450 }
451
452 std::string value;
453 if (!reader.PopVariantOfString(&value)) {
454 response_sender.Run(scoped_ptr<Response>());
455 return;
456 }
457
458 SendPropertyChangedSignal(value);
459
460 response_sender.Run(Response::FromMethodCall(method_call));
461 }
462
PerformAction(MethodCall * method_call,ExportedObject::ResponseSender response_sender)463 void TestService::PerformAction(
464 MethodCall* method_call,
465 ExportedObject::ResponseSender response_sender) {
466 MessageReader reader(method_call);
467 std::string action;
468 ObjectPath object_path;
469 if (!reader.PopString(&action) || !reader.PopObjectPath(&object_path)) {
470 response_sender.Run(scoped_ptr<Response>());
471 return;
472 }
473
474 if (action == "AddObject")
475 AddObject(object_path);
476 else if (action == "RemoveObject")
477 RemoveObject(object_path);
478 else if (action == "ReleaseOwnership") {
479 ReleaseOwnership(base::Bind(&TestService::PerformActionResponse,
480 base::Unretained(this),
481 method_call, response_sender));
482 return;
483 } else if (action == "Ownership") {
484 ReleaseOwnership(base::Bind(&TestService::OwnershipReleased,
485 base::Unretained(this),
486 method_call, response_sender));
487 return;
488 }
489
490 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
491 response_sender.Run(response.Pass());
492 }
493
PerformActionResponse(MethodCall * method_call,ExportedObject::ResponseSender response_sender)494 void TestService::PerformActionResponse(
495 MethodCall* method_call,
496 ExportedObject::ResponseSender response_sender) {
497 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
498 response_sender.Run(response.Pass());
499 }
500
OwnershipReleased(MethodCall * method_call,ExportedObject::ResponseSender response_sender)501 void TestService::OwnershipReleased(
502 MethodCall* method_call,
503 ExportedObject::ResponseSender response_sender) {
504 RequestOwnership(base::Bind(&TestService::OwnershipRegained,
505 base::Unretained(this),
506 method_call, response_sender));
507 }
508
509
OwnershipRegained(MethodCall * method_call,ExportedObject::ResponseSender response_sender,bool success)510 void TestService::OwnershipRegained(
511 MethodCall* method_call,
512 ExportedObject::ResponseSender response_sender,
513 bool success) {
514 PerformActionResponse(method_call, response_sender);
515 }
516
517
GetManagedObjects(MethodCall * method_call,ExportedObject::ResponseSender response_sender)518 void TestService::GetManagedObjects(
519 MethodCall* method_call,
520 ExportedObject::ResponseSender response_sender) {
521 scoped_ptr<Response> response = Response::FromMethodCall(method_call);
522 MessageWriter writer(response.get());
523
524 // The managed objects response is a dictionary of object paths identifying
525 // the object(s) with a dictionary of strings identifying the interface(s)
526 // they implement and then a dictionary of property values.
527 //
528 // Thus this looks something like:
529 //
530 // {
531 // "/org/chromium/TestObject": {
532 // "org.chromium.TestInterface": { /* Properties */ }
533 // }
534 // }
535
536
537 MessageWriter array_writer(NULL);
538 MessageWriter dict_entry_writer(NULL);
539 MessageWriter object_array_writer(NULL);
540 MessageWriter object_dict_entry_writer(NULL);
541
542 writer.OpenArray("{oa{sa{sv}}}", &array_writer);
543
544 array_writer.OpenDictEntry(&dict_entry_writer);
545 dict_entry_writer.AppendObjectPath(ObjectPath("/org/chromium/TestObject"));
546 dict_entry_writer.OpenArray("{sa{sv}}", &object_array_writer);
547
548 object_array_writer.OpenDictEntry(&object_dict_entry_writer);
549 object_dict_entry_writer.AppendString("org.chromium.TestInterface");
550 AddPropertiesToWriter(&object_dict_entry_writer);
551 object_array_writer.CloseContainer(&object_dict_entry_writer);
552
553 dict_entry_writer.CloseContainer(&object_array_writer);
554
555 array_writer.CloseContainer(&dict_entry_writer);
556 writer.CloseContainer(&array_writer);
557
558 response_sender.Run(response.Pass());
559 }
560
AddPropertiesToWriter(MessageWriter * writer)561 void TestService::AddPropertiesToWriter(MessageWriter* writer) {
562 // The properties response is a dictionary of strings identifying the
563 // property and a variant containing the property value. We return all
564 // of the properties, thus the response is:
565 //
566 // {
567 // "Name": Variant<"TestService">,
568 // "Version": Variant<10>,
569 // "Methods": Variant<["Echo", "SlowEcho", "AsyncEcho", "BrokenMethod"]>,
570 // "Objects": Variant<[objectpath:"/TestObjectPath"]>
571 // "Bytes": Variant<[0x54, 0x65, 0x73, 0x74]>
572 // }
573
574 MessageWriter array_writer(NULL);
575 MessageWriter dict_entry_writer(NULL);
576 MessageWriter variant_writer(NULL);
577 MessageWriter variant_array_writer(NULL);
578
579 writer->OpenArray("{sv}", &array_writer);
580
581 array_writer.OpenDictEntry(&dict_entry_writer);
582 dict_entry_writer.AppendString("Name");
583 dict_entry_writer.AppendVariantOfString("TestService");
584 array_writer.CloseContainer(&dict_entry_writer);
585
586 array_writer.OpenDictEntry(&dict_entry_writer);
587 dict_entry_writer.AppendString("Version");
588 dict_entry_writer.AppendVariantOfInt16(10);
589 array_writer.CloseContainer(&dict_entry_writer);
590
591 array_writer.OpenDictEntry(&dict_entry_writer);
592 dict_entry_writer.AppendString("Methods");
593 dict_entry_writer.OpenVariant("as", &variant_writer);
594 variant_writer.OpenArray("s", &variant_array_writer);
595 variant_array_writer.AppendString("Echo");
596 variant_array_writer.AppendString("SlowEcho");
597 variant_array_writer.AppendString("AsyncEcho");
598 variant_array_writer.AppendString("BrokenMethod");
599 variant_writer.CloseContainer(&variant_array_writer);
600 dict_entry_writer.CloseContainer(&variant_writer);
601 array_writer.CloseContainer(&dict_entry_writer);
602
603 array_writer.OpenDictEntry(&dict_entry_writer);
604 dict_entry_writer.AppendString("Objects");
605 dict_entry_writer.OpenVariant("ao", &variant_writer);
606 variant_writer.OpenArray("o", &variant_array_writer);
607 variant_array_writer.AppendObjectPath(ObjectPath("/TestObjectPath"));
608 variant_writer.CloseContainer(&variant_array_writer);
609 dict_entry_writer.CloseContainer(&variant_writer);
610 array_writer.CloseContainer(&dict_entry_writer);
611
612 array_writer.OpenDictEntry(&dict_entry_writer);
613 dict_entry_writer.AppendString("Bytes");
614 dict_entry_writer.OpenVariant("ay", &variant_writer);
615 const uint8 bytes[] = { 0x54, 0x65, 0x73, 0x74 };
616 variant_writer.AppendArrayOfBytes(bytes, sizeof(bytes));
617 dict_entry_writer.CloseContainer(&variant_writer);
618 array_writer.CloseContainer(&dict_entry_writer);
619
620 writer->CloseContainer(&array_writer);
621 }
622
AddObject(const ObjectPath & object_path)623 void TestService::AddObject(const ObjectPath& object_path) {
624 message_loop()->PostTask(
625 FROM_HERE,
626 base::Bind(&TestService::AddObjectInternal,
627 base::Unretained(this),
628 object_path));
629 }
630
AddObjectInternal(const ObjectPath & object_path)631 void TestService::AddObjectInternal(const ObjectPath& object_path) {
632 Signal signal(kObjectManagerInterface, kObjectManagerInterfacesAdded);
633 MessageWriter writer(&signal);
634 writer.AppendObjectPath(object_path);
635
636 MessageWriter array_writer(NULL);
637 MessageWriter dict_entry_writer(NULL);
638
639 writer.OpenArray("{sa{sv}}", &array_writer);
640 array_writer.OpenDictEntry(&dict_entry_writer);
641 dict_entry_writer.AppendString("org.chromium.TestInterface");
642 AddPropertiesToWriter(&dict_entry_writer);
643 array_writer.CloseContainer(&dict_entry_writer);
644 writer.CloseContainer(&array_writer);
645
646 exported_object_manager_->SendSignal(&signal);
647 }
648
RemoveObject(const ObjectPath & object_path)649 void TestService::RemoveObject(const ObjectPath& object_path) {
650 message_loop()->PostTask(FROM_HERE,
651 base::Bind(&TestService::RemoveObjectInternal,
652 base::Unretained(this),
653 object_path));
654 }
655
RemoveObjectInternal(const ObjectPath & object_path)656 void TestService::RemoveObjectInternal(const ObjectPath& object_path) {
657 Signal signal(kObjectManagerInterface, kObjectManagerInterfacesRemoved);
658 MessageWriter writer(&signal);
659
660 writer.AppendObjectPath(object_path);
661
662 std::vector<std::string> interfaces;
663 interfaces.push_back("org.chromium.TestInterface");
664 writer.AppendArrayOfStrings(interfaces);
665
666 exported_object_manager_->SendSignal(&signal);
667 }
668
SendPropertyChangedSignal(const std::string & name)669 void TestService::SendPropertyChangedSignal(const std::string& name) {
670 message_loop()->PostTask(
671 FROM_HERE,
672 base::Bind(&TestService::SendPropertyChangedSignalInternal,
673 base::Unretained(this),
674 name));
675 }
676
SendPropertyChangedSignalInternal(const std::string & name)677 void TestService::SendPropertyChangedSignalInternal(const std::string& name) {
678 Signal signal(kPropertiesInterface, kPropertiesChanged);
679 MessageWriter writer(&signal);
680 writer.AppendString("org.chromium.TestInterface");
681
682 MessageWriter array_writer(NULL);
683 MessageWriter dict_entry_writer(NULL);
684
685 writer.OpenArray("{sv}", &array_writer);
686 array_writer.OpenDictEntry(&dict_entry_writer);
687 dict_entry_writer.AppendString("Name");
688 dict_entry_writer.AppendVariantOfString(name);
689 array_writer.CloseContainer(&dict_entry_writer);
690 writer.CloseContainer(&array_writer);
691
692 exported_object_->SendSignal(&signal);
693 }
694
695 } // namespace dbus
696