1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 #include "oscl_configfile_list.h" 19 #include "oscl_string.h" 20 #include "oscl_file_io.h" 21 #include "oscl_file_find.h" 22 #include "oscl_file_types.h" 23 #include "pvlogger.h" 24 #include "oscl_uuid.h" 25 26 #define CONFIG_FILE_EXTENSION "*.cfg" 27 #define OSCL_NUMBER_OF_CONFIG_FILES 16 28 29 OSCL_EXPORT_REF OsclLibStatus OsclLibraryUtil::SetupLibraryEnv(const char* aEnvName, const char* aEnvValue) 30 { 31 // currently only MSWIN is supported; 32 // Linux is not implemented since its library search path needs to be set at compilation time 33 OsclLibStatus aStatus = OsclLibSuccess; 34 35 OSCL_UNUSED_ARG(aEnvName); 36 OSCL_UNUSED_ARG(aEnvValue); 37 aStatus = OsclLibNotSupported; 38 return aStatus; 39 } 40 41 42 OSCL_EXPORT_REF OsclConfigFileList::OsclConfigFileList() 43 { 44 ipLogger = PVLogger::GetLoggerObject("oscllib"); 45 #if OSCL_LIBRARY_PERF_LOGGING 46 iDiagnosticsLogger = PVLogger::GetLoggerObject("pvplayerdiagnostics.oscllib.osclconfigfilelist"); 47 iCfgFileNum = 0; 48 #endif 49 int32 err = 0; 50 OSCL_TRY(err, 51 iCfgList.reserve(OSCL_NUMBER_OF_CONFIG_FILES); 52 ); 53 if (err) 54 { 55 iCfgList.clear(); 56 OSCL_LEAVE(err); 57 } 58 } 59 60 OSCL_EXPORT_REF OsclConfigFileList::~OsclConfigFileList() 61 { 62 ipLogger = NULL; 63 #if OSCL_LIBRARY_PERF_LOGGING 64 iDiagnosticsLogger = NULL; 65 #endif 66 iCfgList.clear(); 67 } 68 69 // This method finds all files with extention .cfg in given directory 70 // using oscl_file_find and stores in a vector in iCfgList 71 // each cfg in iCfgList stored with whole pathname 72 // @Return: OsclLibSuccess if any config file found, OsclLibNotFound if not any, OsclLibFail otherwise 73 74 OSCL_EXPORT_REF OsclLibStatus OsclConfigFileList::Populate(const OSCL_String& aConfigFileDir, OsclConfigFileList::SortType aSortType) 75 { 76 PVLOGGER_LOGMSG(PVLOGMSG_INST_LLDBG, ipLogger, PVLOGMSG_DEBUG, 77 (0, "OsclConfigFileList::Populate '%s' IN", aConfigFileDir.get_cstr())); 78 #if OSCL_LIBRARY_PERF_LOGGING 79 TICK starttime; 80 SET_TICK(starttime); 81 iCfgFileNum = 0; 82 #endif 83 Oscl_FileFind aCfgFind; 84 OsclLibStatus status = OsclLibSuccess; 85 char* strbuf = (char*)OSCL_MALLOC(OSCL_IO_FILENAME_MAXLEN * sizeof(char)); 86 if (NULL == strbuf) 87 return OsclLibOutOfMemory; 88 if (NULL == aCfgFind.FindFirst(aConfigFileDir.get_str(), CONFIG_FILE_EXTENSION, strbuf, OSCL_IO_FILENAME_MAXLEN)) 89 { 90 OSCL_FREE(strbuf); 91 strbuf = NULL; 92 if (Oscl_FileFind::E_NO_MATCH == aCfgFind.GetLastError()) 93 { 94 status = OsclLibNotFound; 95 } 96 else 97 { 98 iCfgList.clear(); 99 return OsclLibFail; 100 } 101 } 102 else 103 { 104 //oscl_file_find return file with pathname. 105 iCfgList.push_front(strbuf); 106 #if OSCL_LIBRARY_PERF_LOGGING 107 iCfgFileNum++; 108 #endif 109 // found first config file, continue until Oscl_FileFind::E_NO_MATCH 110 while (aCfgFind.FindNext(strbuf, OSCL_IO_FILENAME_MAXLEN) && Oscl_FileFind::E_NO_MATCH != aCfgFind.GetLastError()) 111 { 112 iCfgList.push_back(strbuf); 113 #if OSCL_LIBRARY_PERF_LOGGING 114 iCfgFileNum++; 115 #endif 116 } 117 #if OSCL_LIBRARY_PERF_LOGGING 118 uint32 difftime; 119 DIFF_TICK(starttime, difftime); 120 PVLOGGER_LOGMSG(PVLOGMSG_INST_PROF, iDiagnosticsLogger, PVLOGMSG_INFO, 121 (0, "OsclConfigFileList::Populate - Searching path %s ...", aConfigFileDir.get_cstr())); 122 PVLOGGER_LOGMSG(PVLOGMSG_INST_PROF, iDiagnosticsLogger, PVLOGMSG_INFO, 123 (0, " Time taken = %d ticks", difftime)); 124 PVLOGGER_LOGMSG(PVLOGMSG_INST_PROF, iDiagnosticsLogger, PVLOGMSG_INFO, 125 (0, " Number of config files found = %d", iCfgFileNum)); 126 #endif 127 } 128 OSCL_FREE(strbuf); 129 // error if there's none config file found and loaded in the vector, 130 if (iCfgList.size() <= 0) 131 { 132 PVLOGGER_LOGMSG(PVLOGMSG_INST_REL, ipLogger, PVLOGMSG_WARNING, 133 (0, "OsclConfigFileList::Populate, Didn't find any config file in %s", aConfigFileDir.get_str())); 134 status = OsclLibNotFound; 135 } 136 // Sort the list if requested 137 else if (aSortType != OsclConfigFileList::ENoSort) 138 { 139 Sort(); 140 } 141 142 return status; 143 } 144 145 OSCL_EXPORT_REF uint32 OsclConfigFileList::Size() 146 { 147 return iCfgList.size(); 148 } 149 150 OSCL_EXPORT_REF const OSCL_String& OsclConfigFileList::GetConfigfileAt(uint32 n) 151 { 152 return iCfgList[n]; 153 } 154 155 void OsclConfigFileList::Sort() 156 { 157 uint32 numConfigs = Size(); 158 uint32 ii = 0; 159 bool swapped = false; 160 161 // Bubblesort iCfgList - As long as there aren't very many config files 162 // in the list, efficiency shouldn't be an issue. If the list gets to be 163 // too large (100+) then a new sort algorithm should be used. 164 do 165 { 166 swapped = false; 167 for (ii = 0; ii < numConfigs - 1; ii++) 168 { 169 if (oscl_strncmp(iCfgList[ii].get_cstr(), 170 iCfgList[ii + 1].get_cstr(), 171 oscl_strlen(iCfgList[ii].get_cstr())) > 0) 172 { 173 OSCL_StackString<OSCL_IO_FILENAME_MAXLEN> temp = iCfgList[ii]; 174 iCfgList[ii] = iCfgList[ii + 1]; 175 iCfgList[ii + 1] = temp; 176 swapped = true; 177 } 178 } 179 } 180 while (swapped); 181 } 182 183
