1 /* 2 * Copyright (C) 2014 The Android Open Source Project 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 /*============================================================================= 18 19 Module Name: dmtDataChunk.cc 20 21 General Description: Implementation of DmtDataChunk class. 22 23 =============================================================================*/ 24 25 #include "dmt.hpp" 26 #include "xpl_dm_Manager.h" 27 #include "dmMemory.h" 28 29 /*============================================================================= 30 *Function called: DmtDataChunk 31 *Parameters : 32 *Returns: 33 *Synopsis: The constructor of DmtDataChunk 34 *Pre-conditions: 35 *Post-Conditions: 36 37 =============================================================================*/ 38 DmtDataChunk::DmtDataChunk() 39 { 40 chunkBuffer = NULL; 41 dataSize = 0L; 42 returnLen = 0L; 43 maxDataSize = XPL_DM_GetChunkSize(); 44 } 45 46 /*============================================================================= 47 *Function called: DmtDataChunk::attach 48 *Parameters : 49 *Returns: 50 *Synopsis: Attach chunk buffer 51 *Pre-conditions: 52 *Post-Conditions: 53 54 =============================================================================*/ 55 void DmtDataChunk::attach(UINT8 *chunkBuffer, UINT32 dataSize) 56 { 57 this->chunkBuffer = chunkBuffer; 58 this->dataSize = dataSize; 59 returnLen = 0L; 60 maxDataSize = XPL_DM_GetChunkSize(); 61 } 62 63 /*============================================================================= 64 *Function called: DmtDataChunk::detach 65 *Parameters : 66 *Returns: 67 *Synopsis: Detach chunk buffer 68 *Pre-conditions: 69 *Post-Conditions: 70 71 =============================================================================*/ 72 UINT8 * DmtDataChunk::detach() 73 { 74 UINT8 *pBuffer = this->chunkBuffer; 75 this->chunkBuffer = NULL; 76 this->dataSize = 0; 77 returnLen = 0L; 78 return pBuffer; 79 } 80 81 /*============================================================================= 82 *Function called: ~DmtDataChunk 83 *Parameters : 84 *Returns: 85 *Synopsis: The destructor of DmtDataChunk 86 *Pre-conditions: 87 *Post-Conditions: 88 89 =============================================================================*/ 90 DmtDataChunk::~DmtDataChunk() 91 { 92 if(chunkBuffer != NULL) 93 DmFreeMem(chunkBuffer); 94 } 95 96 /*============================================================================= 97 *Function called: GetChunkSize 98 *Parameters : 99 *Returns: Return chunk buffer size to acess ESN data 100 *Synopsis: 101 *Pre-conditions: 102 *Post-Conditions: 103 104 =============================================================================*/ 105 UINT32 DmtDataChunk::GetChunkSize() 106 { 107 return XPL_DM_GetChunkSize(); 108 } 109 110 /*============================================================================= 111 *Function called: GetChunkData 112 *Parameters : 113 * bufp --Pointer to the pointer of chunk data 114 *Returns: 115 * return SYNCML_DM_SUCCESS if get data successfully 116 * return other in case of error 117 118 *Synopsis: 119 120 *Pre-conditions: 121 *Post-Conditions: 122 =============================================================================*/ 123 SYNCML_DM_RET_STATUS_T DmtDataChunk::GetChunkData( UINT8 **bufp) 124 { 125 *bufp = chunkBuffer; 126 return SYNCML_DM_SUCCESS; 127 } 128 129 /*============================================================================= 130 *Function called: GetChunkDataSize 131 *Parameters : 132 * dataSize - return data size 133 *Returns: 134 * return SYNCML_DM_SUCCESS if get data size successfully 135 * return other in case of error 136 137 *Synopsis: 138 139 *Pre-conditions: 140 *Post-Conditions: 141 =============================================================================*/ 142 SYNCML_DM_RET_STATUS_T DmtDataChunk::GetChunkDataSize( UINT32& dataSize) 143 { 144 dataSize = this->dataSize; 145 return SYNCML_DM_SUCCESS; 146 } 147 148 /*============================================================================= 149 *Function called: GetReturnLen 150 *Parameters : 151 * len --Reference to return data size in chunk buffer 152 *Returns: 153 * return SYNCML_DM_SUCCESS if get return size successfully 154 * return other in case of error 155 156 *Synopsis: 157 158 *Pre-conditions: 159 *Post-Conditions: 160 =============================================================================*/ 161 162 SYNCML_DM_RET_STATUS_T DmtDataChunk::GetReturnLen( UINT32& len ) const 163 { 164 len = returnLen; 165 return SYNCML_DM_SUCCESS; 166 } 167 /*============================================================================= 168 *Function called: SetReturnLen 169 *Parameters : 170 * len --Reference to return data size in chunk buffer 171 *Returns: 172 * return SYNCML_DM_SUCCESS if set return length successfully 173 * return other in case of error 174 175 *Synopsis: 176 177 *Pre-conditions: 178 *Post-Conditions: 179 =============================================================================*/ 180 SYNCML_DM_RET_STATUS_T DmtDataChunk::SetReturnLen( UINT32& len ) 181 { 182 returnLen = len; 183 return SYNCML_DM_SUCCESS; 184 } 185 186 /*============================================================================= 187 *Function called: SetChunkData 188 *Parameters : 189 buf --Pointer to data buffer need to copy to chunk buffer 190 dataSize -- Data size in the buf 191 *Returns: 192 * return SYNCML_DM_SUCCESS if if set chunk data successfully 193 * return other in case of error 194 195 *Synopsis: 196 197 *Pre-conditions: 198 *Post-Conditions: 199 =============================================================================*/ 200 201 SYNCML_DM_RET_STATUS_T DmtDataChunk::SetChunkData(const UINT8 *buf, UINT32 dataSize) 202 { 203 SYNCML_DM_RET_STATUS_T resStatus = SYNCML_DM_SUCCESS; 204 if( buf != NULL) 205 { 206 if(dataSize > maxDataSize) 207 return SYNCML_DM_INVALID_PARAMETER; 208 209 if(chunkBuffer == NULL) 210 { chunkBuffer = (UINT8*)DmAllocMem(maxDataSize); 211 if(chunkBuffer == NULL) 212 return SYNCML_DM_DEVICE_FULL; 213 } 214 memcpy(chunkBuffer, buf , dataSize); 215 } 216 this->dataSize = dataSize; 217 return resStatus; 218 } 219 /*============================================================================= 220 *Function called: AllocateChunkBuffer 221 *Parameters : 222 *Returns: 223 * return SYNCML_DM_SUCCESS if if allocate chunk buffer successfully 224 * return other in case of error 225 226 *Synopsis: 227 228 *Pre-conditions: 229 *Post-Conditions: 230 =============================================================================*/ 231 SYNCML_DM_RET_STATUS_T DmtDataChunk::AllocateChunkBuffer() 232 { 233 if (chunkBuffer == NULL) 234 { 235 chunkBuffer = (UINT8*)DmAllocMem(maxDataSize); 236 if (chunkBuffer == NULL) 237 return SYNCML_DM_DEVICE_FULL; 238 } 239 return SYNCML_DM_SUCCESS; 240 } 241 /*============================================================================= 242 *Function called: FreeChunkBuffer 243 *Parameters : 244 *Returns: 245 * return SYNCML_DM_SUCCESS if if free chunk buffer successfully 246 * return other in case of error 247 248 *Synopsis: 249 250 *Pre-conditions: 251 *Post-Conditions: 252 =============================================================================*/ 253 SYNCML_DM_RET_STATUS_T DmtDataChunk::FreeChunkBuffer() 254 { 255 if (chunkBuffer != NULL) 256 { 257 DmFreeMem(chunkBuffer); 258 chunkBuffer = NULL; 259 } 260 return SYNCML_DM_SUCCESS; 261 } 262
