| 1197 | } |
| 1198 | |
| 1199 | static DWORD HttpDownloadFile( |
| 1200 | LPCTSTR szRemoteName, |
| 1201 | LPCTSTR szLocalName, |
| 1202 | PULONGLONG PtrByteOffset, |
| 1203 | DWORD cbReadSize, |
| 1204 | DWORD dwPortFlags) |
| 1205 | { |
| 1206 | TFileStream * pRemStream; |
| 1207 | LPBYTE pbFileData; |
| 1208 | DWORD dwErrCode = ERROR_NOT_ENOUGH_MEMORY; |
| 1209 | |
| 1210 | // Open the remote stream |
| 1211 | pRemStream = FileStream_OpenFile(szRemoteName, BASE_PROVIDER_HTTP | STREAM_PROVIDER_FLAT | dwPortFlags); |
| 1212 | if(pRemStream != NULL) |
| 1213 | { |
| 1214 | // Will we download the entire file or just a part of it? |
| 1215 | if(PtrByteOffset == NULL) |
| 1216 | { |
| 1217 | ULONGLONG FileSize = 0; |
| 1218 | |
| 1219 | // Retrieve the file size, but not longer than 1 GB |
| 1220 | if(FileStream_GetSize(pRemStream, &FileSize)) |
| 1221 | { |
| 1222 | // Verify valid size |
| 1223 | if(0 < FileSize && FileSize < CASC_MAX_ONLINE_FILE_SIZE) |
| 1224 | { |
| 1225 | cbReadSize = (DWORD)FileSize; |
| 1226 | dwErrCode = ERROR_SUCCESS; |
| 1227 | } |
| 1228 | else |
| 1229 | { |
| 1230 | dwErrCode = ERROR_BAD_FORMAT; |
| 1231 | } |
| 1232 | } |
| 1233 | else |
| 1234 | { |
| 1235 | dwErrCode = GetCascError(); |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | // Shall we read something? |
| 1240 | if((dwErrCode == ERROR_SUCCESS) && (cbReadSize != 0) && (pbFileData = CASC_ALLOC<BYTE>(cbReadSize)) != NULL) |
| 1241 | { |
| 1242 | // Read all required data from the remote file |
| 1243 | if(FileStream_Read(pRemStream, PtrByteOffset, pbFileData, cbReadSize)) |
| 1244 | dwErrCode = SaveLocalFile(szLocalName, pbFileData, cbReadSize); |
| 1245 | |
| 1246 | // Free the data buffer |
| 1247 | CASC_FREE(pbFileData); |
| 1248 | } |
| 1249 | |
| 1250 | // Close the remote stream |
| 1251 | FileStream_Close(pRemStream); |
| 1252 | } |
| 1253 | else |
| 1254 | { |
| 1255 | dwErrCode = GetCascError(); |
| 1256 | } |
no test coverage detected