src/io/FIo_SerialPortImpl.cpp

   1 //
   2 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   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://floralicense.org/license/
   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 /**
  18  * @file        FIo_SerialPortImpl.cpp
  19  * @brief       This is the implementation file for _SerialPortImpl class.
  20  */
  21 #include <serial.h>
  22 #include <unique_ptr.h>
  23
  24 #include <FBaseErrors.h>
  25 #include <FBaseSysLog.h>
  26 #include <FBaseRtIEventArg.h>
  27
  28 #include <FIo_AppServiceIpcMessages.h>
  29 #include <FIo_IpcClient.h>
  30 #include "FIo_SerialPortImpl.h"
  31 #include "FSys_CommunicationDispatcherClient.h"
  32
  33 using namespace std;
  34 using namespace Tizen::App;
  35 using namespace Tizen::Base;
  36 using namespace Tizen::Base::Runtime;
  37 using namespace Tizen::Base::Collection;
  38 using namespace Tizen::System;
  39
  40 namespace Tizen { namespace Io
  41 {
  42
  43 const wchar_t COMMUNICATION_DISPATCHER_IPC_ID[] = L"osp.app.ipcserver.communicationdispatcher";
  44 const wchar_t ACCESSORY_MANAGER_SERVICE_ID[] = L"osp.accessorymanager.service";
  45 const wchar_t SERIAL_COMMAND_OPEN[] = L"Open";
  46 const wchar_t SERIAL_COMMAND_CLOSE[] = L"Close";
  47 const wchar_t SERIAL_COMMAND_WRITE[] = L"Write";
  48 const wchar_t SERIAL_COMMAND_DATA[] = L"Data";
  49 const wchar_t SERIAL_COMMAND_ERROR[] = L"Error";
  50
  51 const int SERIAL_BUFFER_SIZE = 512 * 1024; //512KB
  52 const int SERIAL_DATA_HEAD = 1;
  53 const int SERIAL_DATA_BODY = 2;
  54
  55 class _SerialPortEventArg
  56         : public IEventArg
  57 {
  58 public:
  59         _SerialPortEventArg(ByteBuffer* pBuffer)
  60                 : __pBuffer(pBuffer)
  61         {
  62         }
  63         ByteBuffer* __pBuffer;
  64 };
  65
  66 class _SerialPortEvent
  67         : public Event
  68 {
  69 protected:
  70         virtual void FireImpl(IEventListener& listener, const IEventArg& arg)
  71         {
  72                 ISerialPortEventListener* pListener = dynamic_cast<ISerialPortEventListener*> (&listener);
  73                 if (pListener != null)
  74                 {
  75                         const _SerialPortEventArg* pArg = dynamic_cast<const _SerialPortEventArg*>(&arg);
  76                         if (pArg != null)
  77                         {
  78                                 if (pArg->__pBuffer == null)
  79                                 {
  80                                         pListener->OnSerialPortErrorOccured(E_SYSTEM);
  81                                 }
  82                                 else
  83                                 {
  84                                         SysLog(NID_IO, "Forward byte data to application.");
  85                                         ByteBuffer* pBuffer = pArg->__pBuffer;
  86                                         pListener->OnSerialPortDataReceivedN(*pBuffer);
  87                                 }
  88                         }
  89                 }
  90
  91                 SysLog(NID_IO, "data is forwarded to application.");
  92         }
  93 };
  94
  95 _SerialPortImpl* _SerialPortImpl::__pSerialPortImpl = null;
  96
  97 _SerialPortImpl*
  98 _SerialPortImpl::GetInstance(void)
  99 {
 100         SysLog(NID_IO, "Requires SerialPort instance");
 101         if(__pSerialPortImpl == null)
 102         {
 103                 __pSerialPortImpl = new (std::nothrow) _SerialPortImpl();
 104         }
 105         return __pSerialPortImpl;
 106 }
 107
 108 _SerialPortImpl::_SerialPortImpl()
 109         : __pIpcClient(null)
 110         , __pEvent(null)
 111         , __isOpended(false)
 112 {
 113         SysLog(NID_IO, "Initialize SerialPort");
 114         result r = E_SUCCESS;
 115         _CommunicationDispatcherClient* pCommunicationDispatcherClient = _CommunicationDispatcherClient::GetInstance();
 116         SysTryCatch(NID_IO, pCommunicationDispatcherClient != null, r = E_SYSTEM, r, "It is failed to get CommunicationDispatcherClient.");
 117
 118         r = pCommunicationDispatcherClient->RegisterCommunicationListener(ACCESSORY_MANAGER_SERVICE_ID, *this);
 119         SysTryCatch(NID_IO, r == E_SUCCESS, r = E_SYSTEM, r, "It is failed to register on CommunicationDispatcherClient.");
 120
 121         __pIpcClient = pCommunicationDispatcherClient->GetIpcClient();
 122         SysTryCatch(NID_IO, __pIpcClient != null, r = E_SYSTEM, r, "It is failed to get IpcClient from CommunicationDispatcherClient.");
 123
 124         __pEvent = new (std::nothrow) _SerialPortEvent();
 125         SysTryCatch(NID_IO, __pEvent != null, r = E_OUT_OF_MEMORY, r, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 126
 127 CATCH:
 128         SetLastResult(r);
 129 }
 130
 131 _SerialPortImpl::~_SerialPortImpl(void)
 132 {
 133         delete __pEvent;
 134
 135         __pEvent = null;
 136         __pIpcClient = null;
 137 }
 138
 139 result
 140 _SerialPortImpl::SerialOpen(void)
 141 {
 142         result r = E_SUCCESS;
 143         ArrayList request;
 144         ArrayList response;
 145         String serviceId(ACCESSORY_MANAGER_SERVICE_ID);
 146         String commandId(SERIAL_COMMAND_OPEN);
 147         SysLog(NID_IO, "Open SerialPort");
 148         SysTryReturnResult(NID_IO, __pIpcClient != null, E_SYSTEM, "IPC is not ready.");
 149
 150         r = request.Construct();
 151         r = response.Construct();
 152
 153         r = request.Add(serviceId);
 154         r = request.Add(commandId);
 155
 156         unique_ptr<IoService_Request> pMsg(new (std::nothrow) IoService_Request(request, &response));
 157         SysTryReturnResult(NID_IO, pMsg != NULL, r = E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 158
 159         SysLog(NID_IO, "Try to send IPC message");
 160         r = __pIpcClient->SendRequest(*pMsg);
 161         SysTryReturnResult(NID_IO, r == E_SUCCESS, E_SYSTEM, "[%s] Propagated.", GetErrorMessage(r));
 162
 163         SysLog(NID_IO, "Sent IPC message");
 164
 165         __isOpended = true;
 166         return r;
 167 }
 168
 169 result
 170 _SerialPortImpl::SerialClose(void)
 171 {
 172         result r = E_SUCCESS;
 173         ArrayList request;
 174         ArrayList response;
 175         String serviceId(ACCESSORY_MANAGER_SERVICE_ID);
 176         String commandId(SERIAL_COMMAND_CLOSE);
 177
 178         SysLog(NID_IO, "Close SerialPort");
 179         SysTryReturnResult(NID_IO, __pIpcClient != null, E_SYSTEM, "IPC client is not ready.");
 180
 181         r = request.Construct();
 182         r = request.Add(serviceId);
 183         r = request.Add(commandId);
 184         r = response.Construct();
 185
 186         unique_ptr<IoService_Request> pMsg(new (std::nothrow) IoService_Request(request, &response));
 187         SysTryReturnResult(NID_IO, pMsg != NULL, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
 188
 189         r = __pIpcClient->SendRequest(*pMsg);
 190         SysTryReturnResult(NID_IO, r == E_SUCCESS, r, "[%s] Propagated.", GetErrorMessage(r));
 191
 192         __isOpended = false;
 193
 194         return r;
 195 }
 196
 197 bool
 198 _SerialPortImpl::IsOpended(void)
 199 {
 200         return __isOpended;
 201 }
 202
 203 result
 204 _SerialPortImpl::SetSerialPortEventListener(ISerialPortEventListener& listener)
 205 {
 206         result r = E_SUCCESS;
 207         SysTryReturnResult(NID_IO, __pEvent != null, E_SYSTEM, "Event is not ready.");
 208         r = __pEvent->AddListener(listener);
 209
 210         return r;
 211 }
 212
 213 result
 214 _SerialPortImpl::Write(const Tizen::Base::ByteBuffer &byteBuffer)
 215 {
 216         result r = E_SUCCESS;
 217         ByteBuffer* pByteBuffer = null;
 218         ArrayList request;
 219         ArrayList response;
 220         String serviceId(ACCESSORY_MANAGER_SERVICE_ID);
 221         String commandId(SERIAL_COMMAND_WRITE);
 222
 223         SysTryReturnResult(NID_IO, byteBuffer.GetCapacity() < SERIAL_BUFFER_SIZE, E_MAX_EXCEEDED, "[E_MAX_EXCEEDED] The buffer size exceeded a limit of the current device.");
 224
 225         pByteBuffer = const_cast <ByteBuffer *> (&byteBuffer);
 226
 227         SysTryReturnResult(NID_IO, __pIpcClient != null, E_SYSTEM, "[E_SYSTEM] IPC client is not ready");
 228
 229         r = request.Construct();
 230         r = request.Add(serviceId);
 231         r = request.Add(commandId);
 232         r = request.Add(*pByteBuffer);
 233         r = response.Construct();
 234
 235         unique_ptr<IoService_Request> pMsg(new (std::nothrow) IoService_Request(request, &response));
 236         SysTryReturnResult(NID_IO, pMsg != null, E_OUT_OF_MEMORY, "The memory is insufficient.");
 237
 238         r = __pIpcClient->SendRequest(pMsg.get());
 239         SysTryReturn(NID_IO, r == E_SUCCESS, r, r, "[%s] Propagated.", GetErrorMessage(r));
 240
 241         return E_SUCCESS;
 242 }
 243
 244 int
 245 _SerialPortImpl::GetWriteBufferSize(void) const
 246 {
 247         return SERIAL_BUFFER_SIZE;
 248 }
 249
 250 void
 251 _SerialPortImpl::OnDataReceived(const ArrayList& data)
 252 {
 253         ByteBuffer* pBuffer = null;
 254
 255         String* pCommand = (String*)(data.GetAt(SERIAL_DATA_HEAD));
 256         SysTryReturnVoidResult(NID_APP, pCommand != null, E_SYSTEM, "[E_SYSTEM] There is no command");
 257
 258         if (pCommand->Equals(SERIAL_COMMAND_DATA, true))
 259         {
 260                 pBuffer = (ByteBuffer*)data.GetAt(SERIAL_DATA_BODY);
 261                 if (pBuffer != null)
 262                 {
 263                         pBuffer->Flip();
 264                         ArrayList* pData = const_cast<ArrayList*>(&data);
 265                         pData->Remove(*pBuffer);
 266                         _SerialPortEventArg* pEventArg= new (std::nothrow) _SerialPortEventArg(pBuffer);
 267                         if(pEventArg != null)
 268                         {
 269                                 SysLog(NID_IO, "_SerialPortImpl::OnDataReceived Event Fire");
 270                                 __pEvent->Fire(*pEventArg);
 271                         }
 272                 }
 273         }
 274         else if (pCommand->Equals(SERIAL_COMMAND_ERROR, true))
 275         {
 276                 _SerialPortEventArg* pEventArg= new (std::nothrow) _SerialPortEventArg(null);
 277                  if(pEventArg != null)
 278                  {
 279                         SysLog(NID_IO, "_SerialPortImpl::OnDataReceived Event Fire");
 280                         __pEvent->Fire(*pEventArg);
 281                  }
 282         }
 283 }
 284 }} // Tizen::Io
 285