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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "dbus/exported_object.h" | 5 #include "dbus/exported_object.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
11 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
12 #include "base/threading/thread_restrictions.h" | 12 #include "base/threading/thread_restrictions.h" |
13 #include "base/time/time.h" | 13 #include "base/time/time.h" |
14 #include "dbus/bus.h" | 14 #include "dbus/bus.h" |
15 #include "dbus/message.h" | 15 #include "dbus/message.h" |
16 #include "dbus/object_path.h" | 16 #include "dbus/object_path.h" |
17 #include "dbus/scoped_dbus_error.h" | 17 #include "dbus/scoped_dbus_error.h" |
| 18 #include "dbus/util.h" |
18 | 19 |
19 namespace dbus { | 20 namespace dbus { |
20 | 21 |
21 namespace { | 22 namespace { |
22 | 23 |
23 // Used for success ratio histograms. 1 for success, 0 for failure. | 24 // Used for success ratio histograms. 1 for success, 0 for failure. |
24 const int kSuccessRatioHistogramMaxValue = 2; | 25 const int kSuccessRatioHistogramMaxValue = 2; |
25 | 26 |
26 // Gets the absolute method name by concatenating the interface name and | |
27 // the method name. Used for building keys for method_table_ in | |
28 // ExportedObject. | |
29 std::string GetAbsoluteMethodName( | |
30 const std::string& interface_name, | |
31 const std::string& method_name) { | |
32 return interface_name + "." + method_name; | |
33 } | |
34 | |
35 } // namespace | 27 } // namespace |
36 | 28 |
37 ExportedObject::ExportedObject(Bus* bus, | 29 ExportedObject::ExportedObject(Bus* bus, |
38 const ObjectPath& object_path) | 30 const ObjectPath& object_path) |
39 : bus_(bus), | 31 : bus_(bus), |
40 object_path_(object_path), | 32 object_path_(object_path), |
41 object_is_registered_(false) { | 33 object_is_registered_(false) { |
42 } | 34 } |
43 | 35 |
44 ExportedObject::~ExportedObject() { | 36 ExportedObject::~ExportedObject() { |
45 DCHECK(!object_is_registered_); | 37 DCHECK(!object_is_registered_); |
46 } | 38 } |
47 | 39 |
48 bool ExportedObject::ExportMethodAndBlock( | 40 bool ExportedObject::ExportMethodAndBlock( |
49 const std::string& interface_name, | 41 const std::string& interface_name, |
50 const std::string& method_name, | 42 const std::string& method_name, |
51 MethodCallCallback method_call_callback) { | 43 MethodCallCallback method_call_callback) { |
52 bus_->AssertOnDBusThread(); | 44 bus_->AssertOnDBusThread(); |
53 | 45 |
54 // Check if the method is already exported. | 46 // Check if the method is already exported. |
55 const std::string absolute_method_name = | 47 const std::string absolute_method_name = |
56 GetAbsoluteMethodName(interface_name, method_name); | 48 GetAbsoluteMemberName(interface_name, method_name); |
57 if (method_table_.find(absolute_method_name) != method_table_.end()) { | 49 if (method_table_.find(absolute_method_name) != method_table_.end()) { |
58 LOG(ERROR) << absolute_method_name << " is already exported"; | 50 LOG(ERROR) << absolute_method_name << " is already exported"; |
59 return false; | 51 return false; |
60 } | 52 } |
61 | 53 |
62 if (!bus_->Connect()) | 54 if (!bus_->Connect()) |
63 return false; | 55 return false; |
64 if (!bus_->SetUpAsyncOperations()) | 56 if (!bus_->SetUpAsyncOperations()) |
65 return false; | 57 return false; |
66 if (!Register()) | 58 if (!Register()) |
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196 const std::string interface = method_call->GetInterface(); | 188 const std::string interface = method_call->GetInterface(); |
197 const std::string member = method_call->GetMember(); | 189 const std::string member = method_call->GetMember(); |
198 | 190 |
199 if (interface.empty()) { | 191 if (interface.empty()) { |
200 // We don't support method calls without interface. | 192 // We don't support method calls without interface. |
201 LOG(WARNING) << "Interface is missing: " << method_call->ToString(); | 193 LOG(WARNING) << "Interface is missing: " << method_call->ToString(); |
202 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | 194 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
203 } | 195 } |
204 | 196 |
205 // Check if we know about the method. | 197 // Check if we know about the method. |
206 const std::string absolute_method_name = GetAbsoluteMethodName( | 198 const std::string absolute_method_name = GetAbsoluteMemberName( |
207 interface, member); | 199 interface, member); |
208 MethodTable::const_iterator iter = method_table_.find(absolute_method_name); | 200 MethodTable::const_iterator iter = method_table_.find(absolute_method_name); |
209 if (iter == method_table_.end()) { | 201 if (iter == method_table_.end()) { |
210 // Don't know about the method. | 202 // Don't know about the method. |
211 LOG(WARNING) << "Unknown method: " << method_call->ToString(); | 203 LOG(WARNING) << "Unknown method: " << method_call->ToString(); |
212 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | 204 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; |
213 } | 205 } |
214 | 206 |
215 const base::TimeTicks start_time = base::TimeTicks::Now(); | 207 const base::TimeTicks start_time = base::TimeTicks::Now(); |
216 if (bus_->HasDBusThread()) { | 208 if (bus_->HasDBusThread()) { |
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310 return self->HandleMessage(connection, raw_message); | 302 return self->HandleMessage(connection, raw_message); |
311 } | 303 } |
312 | 304 |
313 void ExportedObject::OnUnregisteredThunk(DBusConnection *connection, | 305 void ExportedObject::OnUnregisteredThunk(DBusConnection *connection, |
314 void* user_data) { | 306 void* user_data) { |
315 ExportedObject* self = reinterpret_cast<ExportedObject*>(user_data); | 307 ExportedObject* self = reinterpret_cast<ExportedObject*>(user_data); |
316 return self->OnUnregistered(connection); | 308 return self->OnUnregistered(connection); |
317 } | 309 } |
318 | 310 |
319 } // namespace dbus | 311 } // namespace dbus |
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