1 //
2 // Copyright 2015 Google, Inc.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at:
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16
17 #include "service/ipc/ipc_manager.h"
18
19 #if !defined(OS_GENERIC)
20 #include "service/ipc/binder/ipc_handler_binder.h"
21 #else
22 #include "service/ipc/dbus/ipc_handler_dbus.h"
23 #endif // !defined(OS_GENERIC)
24 #include "service/ipc/ipc_handler_linux.h"
25
26 namespace ipc {
27
IPCManager(bluetooth::Adapter * adapter)28 IPCManager::IPCManager(bluetooth::Adapter* adapter) : adapter_(adapter) {
29 CHECK(adapter_);
30 }
31
~IPCManager()32 IPCManager::~IPCManager() {
33 // Don't rely on the handlers getting destroyed since another thread might be
34 // holding a reference to them. Instead, explicitly stop them here.
35 if (BinderStarted()) binder_handler_->Stop();
36 if (LinuxStarted()) linux_handler_->Stop();
37 if (DBusStarted()) dbus_handler_->Stop();
38 }
39
Start(Type type,Delegate * delegate)40 bool IPCManager::Start(Type type, Delegate* delegate) {
41 switch (type) {
42 case TYPE_LINUX:
43 if (LinuxStarted()) {
44 LOG(ERROR) << "IPCManagerLinux already started.";
45 return false;
46 }
47
48 linux_handler_ = new IPCHandlerLinux(adapter_, delegate);
49 if (!linux_handler_->Run()) {
50 linux_handler_ = nullptr;
51 return false;
52 }
53 return true;
54
55 #if !defined(OS_GENERIC)
56 case TYPE_BINDER:
57 if (BinderStarted()) {
58 LOG(ERROR) << "IPCManagerBinder already started.";
59 return false;
60 }
61
62 binder_handler_ = new IPCHandlerBinder(adapter_, delegate);
63 if (!binder_handler_->Run()) {
64 binder_handler_ = nullptr;
65 return false;
66 }
67 return true;
68 #else
69 case TYPE_DBUS:
70 if (DBusStarted()) {
71 LOG(ERROR) << "IPCManagerDBus already started.";
72 return false;
73 }
74
75 dbus_handler_ = new IPCHandlerDBus(adapter_, delegate);
76 if (!dbus_handler_->Run()) {
77 dbus_handler_ = nullptr;
78 return false;
79 }
80 return true;
81 #endif // !defined(OS_GENERIC)
82
83 default:
84 LOG(ERROR) << "Unsupported IPC type given: " << type;
85 }
86
87 return false;
88 }
89
BinderStarted() const90 bool IPCManager::BinderStarted() const { return binder_handler_.get(); }
91
LinuxStarted() const92 bool IPCManager::LinuxStarted() const { return linux_handler_.get(); }
93
DBusStarted() const94 bool IPCManager::DBusStarted() const { return dbus_handler_.get(); }
95
96 } // namespace ipc
97