2 // Open Service Platform
3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 // Licensed under the Apache License, Version 2.0 (the License);
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
9 // http://www.apache.org/licenses/LICENSE-2.0
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
19 * @file FIo_IpcServer.h
20 * @brief This is the header file for the _IpcServer class.
22 * This file contains the declarations of _IpcServer.
25 #ifndef _FIO_INTERNAL_IPC_SERVER_H_
26 #define _FIO_INTERNAL_IPC_SERVER_H_
33 #include <ipc/ipc_message_macros.h>
34 #include <ipc/ipc_message_utils.h>
36 #include <FBaseResult.h>
37 #include <FBaseObject.h>
38 #include <FBaseString.h>
39 #include <FAppTypes.h>
41 namespace Tizen { namespace Base { namespace Runtime
43 class _EventDispatcher;
46 namespace Tizen { namespace Io
49 class _IIpcServerEventListener;
53 * @brief This class provides methods to handle IPC request messages.
57 class _OSP_EXPORT_ _IpcServer
58 : public Tizen::Base::Object
62 * This is the default constructor for this class.
68 * This is the destructor for this class.
71 virtual ~_IpcServer(void);
74 * Constructs the instance of this class and starts the IPC server.
77 * @return An error code
78 * @param[in] name The name of IPC server
79 * @param[in] listener The listener for IPC server
80 * @param[in] runOnCallerThread Set to @c true, if the server runs on the caller thread
81 * @c false, if the server runs on its own thread.
82 * @exception E_SUCCESS The method was successful.
83 * @exception E_OUT_OF_MEMORY Insufficient memory.
84 * @exception E_SYSTEM Occurs when runOnCallerThread is set to true where the caller thread is worker thread.
86 result Construct(const Tizen::Base::String& name, const _IIpcServerEventListener& listener, bool runOnCallerThread = true);
89 * Returns the name of the IPC server.
92 * @return The name of the IPC server.
94 Tizen::Base::String GetName(void) const;
97 * Returns the id the of the client which sent a request message.
100 * @return The id of the IPC client.
101 * @remark This can be called only in a message handler.
103 int GetClientId(void) const;
106 * Returns the process id of the client which sent a request message.
109 * @return The process id of the IPC client.
110 * @remark This can be called only in a message handler.
112 int GetClientProcessId(void) const;
115 * Returns the app id of the client which sent a request message.
118 * @return The app id of the IPC client.
119 * @remark This can be called only in a message handler.
121 Tizen::App::AppId GetClientAppId(void) const;
124 * Returns the executable name of the client which sent a request message.
127 * @return The executable name of the IPC client.
128 * @remark This can be called only in a message handler.
130 Tizen::Base::String GetClientAppExecutableName(void) const;
133 * Stops the IPC server.
136 * @return An error code
137 * @exception E_SUCCESS The method was successful.
138 * @exception E_INVALID_STATE The IPC server has not been started.
143 * Sends a message to an IPC client.
146 * @return An error code
147 * @param[in] clientId The id of the IPC client
148 * @param[in] message The message to send
149 * @exception E_SUCCESS The method was successful.
150 * @exception E_INVALID_ARG The message is synchronous.
151 * @exception E_INVALID_OPERATION The client didn't set a listener.
152 * @exception E_OUT_OF_MEMORY Insufficient memory.
153 * @exception E_SYSTEM A system error occurred.
155 * @remark Only an asychronous message can be sent to an IPC client.
157 result SendResponse(int clientId, const IPC::Message& message);
161 result SendResponse(int clientId, IPC::Message* pMessage);
163 bool Send(IPC::Message* msg);
166 _IpcServer(const _IpcServer& value);
168 _IpcServer& operator =(const _IpcServer& value);
170 static void* ThreadProc(void* pParam);
172 void Run(void* pParam);
174 static gboolean OnConnectionRequest(GIOChannel* source, GIOCondition condition, gpointer data);
176 static gboolean OnReadMessage(GIOChannel* source, GIOCondition condition, gpointer data);
178 gboolean HandleReceivedMessage(GIOChannel* source, GIOCondition condition, gpointer data);
180 static const int __MAX_MESSAGE_BUFFER_SIZE = 1024;
185 * @struct __ChannelInfo
186 * @brief This struct represent a channel.
194 struct _ClientInfo* pClientInfo;
195 GIOChannel* pGIOChannel;
201 * @struct __ClientInfo
202 * @brief This struct represent a client connected to this server.
210 int clientId; /**< the client id */
211 _IpcServer* pIpcServer; /**< the pointer to an _ IpcServer */
212 GIOChannel* pReverseChannel; /**< the channel for sending reverse message */
213 std::vector <struct _ChannelInfo*> channels; /**< the set of channels associated with a client */
214 Tizen::Base::String appId;
215 Tizen::Base::String appExecutableName;
218 Tizen::Base::String __name;
219 bool __runOnCallerThread;
220 Tizen::Base::Runtime::_EventDispatcher* __pEventDispatcher;
221 _IIpcServerEventListener* __pListener;
223 pthread_t __handlerThread;
224 GMainContext* __pHandlerGMainContext;
225 GMainLoop* __pHandlerGMainLoop;
227 // handling connection
228 GSource* __pConnectGSource;
230 // handling received message
231 char __messageBuffer[__MAX_MESSAGE_BUFFER_SIZE];
232 std::string __pending;
234 // current message handling context
235 GIOChannel* __pCurrentChannel;
236 _ClientInfo* __pCurrentClientInfo;
238 std::map <int, _ClientInfo*> __clients; // pid of client is used for key
243 #endif // _FIO_INTERNAL_IPC_SERVER_H_