src/storage/Config.cxx

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by www.databasecache.com                           *
   3  *   Contact: praba_tuty@databasecache.com                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15   ***************************************************************************/
  16 #include<Config.h>
  17 #include<ErrorType.h>
  18 #include<Debug.h>
  19
  20 Config Conf::config;
  21
  22 int Config::readLine(FILE *fp, char * buffer)
  23 {
  24   char c =0;
  25   int count =0;
  26   while (true)
  27   {
  28       c = fgetc(fp);
  29       if (c == '\n') break;
  30       if (c == EOF) return EOF;
  31       buffer[count++] = c;
  32   }
  33   return count;
  34 }
  35 int Config::storeKeyVal(char *key, char *value)
  36 {
  37     if (os::strcasestr(key, "PAGE_SIZE") != NULL )
  38            { cVal.pageSize = atoi(value);  }
  39     else if (os::strcasestr(key, "MAX_PROCS") != NULL)
  40            { cVal.maxProcs = atoi(value);  }
  41     else if (os::strcasestr(key, "MAX_SYS_DB_SIZE") != NULL)
  42            { cVal.maxSysSize = atol(value);  }
  43     else if (os::strcasestr(key, "MAX_DB_SIZE") != NULL)
  44            { cVal.maxDbSize = atol(value);  }
  45     else if (os::strcasestr(key, "MMAP") != NULL)
  46            { cVal.mmap = os::atobool(value);  }
  47     else if (os::strcasestr(key, "SYS_DB_KEY") != NULL)
  48            { cVal.sysDbKey = atoi(value);  }
  49     else if (os::strcasestr(key, "USER_DB_KEY") != NULL)
  50            { cVal.userDbKey = atoi(value);  }
  51     else if (os::strcasestr(key, "LOG_FILE") != NULL)
  52            { strcpy(cVal.logFile , value);  }
  53     else if (os::strcasestr(key, "DATABASE_FILE") != NULL)
  54            { strcpy(cVal.dbFile , value);  }
  55     else if (os::strcasestr(key, "MAP_ADDRESS") != NULL)
  56            { cVal.mapAddr = atol(value);  }
  57     else if (os::strcasestr(key, "MUTEX_TIMEOUT_SECS") != NULL)
  58            { cVal.mutexSecs = atoi(value);  }
  59     else if (os::strcasestr(key, "MUTEX_TIMEOUT_USECS") != NULL)
  60            { cVal.mutexUSecs = atoi(value);  }
  61     else if (os::strcasestr(key, "MUTEX_TIMEOUT_RETRIES") != NULL)
  62            { cVal.mutexRetries = atoi(value);  }
  63     else if (os::strcasestr(key, "LOCK_TIMEOUT_SECS") != NULL)
  64            { cVal.lockSecs = atoi(value);  }
  65     else if (os::strcasestr(key, "LOCK_TIMEOUT_USECS") != NULL)
  66            { cVal.lockUSecs = atoi(value);  }
  67     else if (os::strcasestr(key, "LOCK_TIMEOUT_RETRIES") != NULL)
  68            { cVal.lockRetries = atoi(value);  }
  69     else if (os::strcasestr(key, "LOG_LEVEL") != NULL)
  70            { cVal.logLevel = atoi(value);  }
  71     else if (os::strcasestr(key, "DSN") != NULL)
  72            { strcpy(cVal.dsn , value);  }
  73     else if (os::strcasestr(key, "NO_OF_ROWS_TO_FETCH") != NULL)
  74            { cVal.nRowsToFetch = atoi(value);  }
  75     else if (os::strcasestr(key,"DS_CONFIG_FILE") !=NULL)
  76            { strcpy(cVal.dsConfigFile,value);}
  77     else if (os::strcasestr(key, "TABLE_CONFIG_FILE") != NULL)
  78            { strcpy(cVal.tableConfigFile , value);  }
  79     else if (os::strcasestr(key, "STDERR_FILE") != NULL)
  80            { strcpy(cVal.stderrFile, value);  }
  81     else if (os::strcasestr(key, "CONFL_RESOL_FILE") != NULL)
  82            { strcpy(cVal.conflResoFile , value);  }
  83     else if (os::strcasestr(key, "CACHE_TABLE") != NULL)
  84            { cVal.isCache = os::atobool(value); }
  85     else if (os::strcasestr(key, "CACHE_MODE") != NULL)
  86            {
  87                if (strcmp(value, "SYNC") == 0)
  88                {    cVal.mode = SYNC_MODE;    }
  89                else if (strcmp(value, "ASYNC") == 0)
  90                {    cVal.mode = ASYNC_MODE;   }
  91                else if (strcmp(value, "OFFLINE") == 0)
  92                {    cVal.mode = OFFLINE_MODE;   }
  93                else cVal.mode = UNKNOWN;
  94            }
  95     else if (os::strcasestr(key, "OFFLINE_FILE_SIZE") != NULL)
  96        { cVal.offlineLogFileSize = atol(value); }
  97     else if(os::strcasestr(key,"SITE_ID")!=NULL)
  98            { cVal.siteID = atoi(value);}
  99     else if (os::strcasestr(key, "DURABILITY") != NULL)
 100            { cVal.isDurable = os::atobool(value); }
 101     else if (os::strcasestr(key, "DURABLE_MODE") != NULL)
 102            { cVal.durableMode = ::atoi(value); }
 103     else if (os::strcasestr(key, "CSQL_SQL_SERVER") != NULL)
 104            { cVal.isCsqlSqlServer = os::atobool(value); }
 105     else if (os::strcasestr(key, "PORT") != NULL)
 106            { cVal.port = atoi(value); }
 107     else if (os::strcasestr(key, "MAX_QUEUE_LOGS") != NULL)
 108            { cVal.maxQueueLogs = atol(value);  }
 109     else if (os::strcasestr(key, "MSG_KEY") != NULL)
 110            { cVal.msgKey = atoi(value);  }
 111     else if (os::strcasestr(key, "ASYNC_MSGMAX") != NULL)
 112            { cVal.asyncMsgMax = atoi(value);  }
 113     else if (os::strcasestr(key, "ID_SHM_KEY") != NULL)
 114            { cVal.shmKeyForId = atoi(value);  }
 115     else if (os::strcasestr(key, "NETWORK_RESPONSE_TIMEOUT") != NULL)
 116            { cVal.nwResponseTimeout = atoi(value);  }
 117     else if (os::strcasestr(key, "NETWORK_CONNECT_TIMEOUT") != NULL)
 118            { cVal.nwConnectTimeout = atoi(value);  }
 119     else if (os::strcasestr(key, "ENABLE_BIDIRECTIONAL_CACHE") != NULL)
 120            { cVal.isTwoWay = os::atobool(value);  }
 121     else if (os::strcasestr(key, "CACHE_RECEIVER_WAIT_SECS") != NULL)
 122            { cVal.cacheWaitSecs = atoi(value);  }
 123     else if (os::strcasestr(key, "STMT_CACHE_SIZE") != NULL)
 124            { cVal.stmtCacheSize = atoi(value);  }
 125     else if (os::strcasestr(key, "STMT_CACHE_NOPARAM") != NULL)
 126            { cVal.isCacheNoParam = os::atobool(value);  }
 127     else if (os::strcasestr(key, "MONITOR_SERVERS") != NULL)
 128            { cVal.isMonitor = os::atobool(value);  }
 129     else if (os::strcasestr(key, "CHECKPOINT_SECS") != NULL)
 130            { cVal.chkptSecs = ::atoi(value);  }
 131     else if (os::strcasestr(key, "CHECKPOINT_LOG_SIZE") != NULL)
 132            { cVal.chkptRedoLimit = ::atoi(value);  }
 133
 134
 135     else  return 1;
 136     return 0;
 137 }
 138 int Config::validateValues()
 139 {
 140     if (cVal.pageSize < 8192 || cVal.pageSize > 1024 * 1024 * 10 )
 141     {
 142         printError(ErrBadArg,  "PAGE_SIZE should be >= 8192 and <= 10 MB");
 143         return 1;
 144     }
 145     if (cVal.pageSize  % 1024 !=0 )
 146     {
 147         printError(ErrBadArg,  "PAGE_SIZE should be multiples of 1024");
 148         return 1;
 149     }
 150     if (cVal.maxProcs < 10 || cVal.maxProcs > 8192)
 151     {
 152         printError(ErrBadArg,  "MAX_PROCS should be >= 10 and <= 8192");
 153         return 1;
 154     }
 155     if (cVal.maxSysSize < 1024 * 1024  || cVal.maxSysSize > 1024 *1024 *1024)
 156     {
 157         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be >= 1 MB and <= 1 GB");
 158         return 1;
 159     }
 160     if (cVal.maxSysSize % 8192 !=0 )
 161     {
 162         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be multiples of 8192");
 163         return 1;
 164     }
 165
 166     #ifdef x86_64
 167     if (cVal.maxDbSize < 1024 * 1024  || cVal.maxDbSize > ( 100*1024*1024*1024L))
 168     {
 169         printError(ErrBadArg,  "MAX_DB_SIZE should be >= 1 MB and <= 100 GB");
 170         return 1;
 171     }
 172     #else
 173     unsigned long maxVal = 2*1024*1024*1024L;
 174     if (cVal.maxDbSize < 1024 * 1024  || ((unsigned long)cVal.maxDbSize) > maxVal)
 175     {
 176         printError(ErrBadArg,  "MAX_DB_SIZE should be >= 1 MB and <= 2 GB");
 177         return 1;
 178     }
 179     #endif
 180     if (cVal.maxDbSize % 8192 !=0)
 181     {
 182         printError(ErrBadArg,  "MAX_DB_SIZE should be multiples of 8192");
 183         return 1;
 184     }
 185
 186     if (cVal.sysDbKey < 10 || cVal.sysDbKey > 8192)
 187     {
 188         printError(ErrBadArg,  "SYS_DB_KEY should be >= 10 and <= 8192");
 189         return 1;
 190     }
 191     if (cVal.userDbKey < 10 || cVal.userDbKey > 8192)
 192     {
 193         printError(ErrBadArg,  "USER_DB_KEY should be >= 10 and <= 8192");
 194         return 1;
 195     }
 196     if ( cVal.sysDbKey == cVal.userDbKey)
 197     {
 198         printError(ErrBadArg,  "USER_DB_KEY and SYS_DB_KEY have same value %d", cVal.userDbKey);
 199         return 1;
 200     }
 201     if (0 == strcmp(cVal.logFile,""))
 202     {
 203         //TODO::check whether file exists
 204         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 205         return 1;
 206     }
 207     if (0 == strcmp(cVal.dbFile,""))
 208     {
 209         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 210         return 1;
 211     }
 212 #if (!defined __sparcv9)
 213     if (cVal.mapAddr < 400000000 || cVal.mapAddr > 2000000000)
 214     {
 215         printError(ErrBadArg,  "MAP_ADDRESS should be >= 400000000 and <= 2000000000");
 216         return 1;
 217     }
 218 #endif
 219     if (cVal.mutexSecs < 0 || cVal.mutexSecs > 360)
 220     {
 221         printError(ErrBadArg,  "MUTEX_TIMEOUT_SECS should be >= 0 and <= 360");
 222         return 1;
 223     }
 224     if (cVal.mutexUSecs < 0 || cVal.mutexUSecs > 1000000)
 225     {
 226         printError(ErrBadArg,  "MUTEX_TIMEOUT_USECS should be >= 0 and <= 1000000");
 227         return 1;
 228     }
 229     if (cVal.mutexRetries < 0 || cVal.mutexRetries > 100)
 230     {
 231         printError(ErrBadArg,  "MUTEX_TIMEOUT_RETRY should be >= 0 and <= 100");
 232         return 1;
 233     }
 234     if (cVal.lockSecs < 0 || cVal.lockSecs > 360)
 235     {
 236         printError(ErrBadArg,  "LOCK_TIMEOUT_SECS should be >= 0 and <= 360");
 237         return 1;
 238     }
 239     if (cVal.lockUSecs < 0 || cVal.lockUSecs > 1000000)
 240     {
 241         printError(ErrBadArg,  "LOCK_TIMEOUT_USECS should be >= 0 and <= 1000000");
 242         return 1;
 243     }
 244     if (cVal.lockRetries < 0 || cVal.lockRetries > 100)
 245     {
 246         printError(ErrBadArg,  "LOCK_TIMEOUT_RETRY should be >= 0 and <= 100");
 247         return 1;
 248     }
 249     if (cVal.logLevel < 0 || cVal.logLevel > 3)
 250     {
 251         printError(ErrBadArg,  "LOG_LEVEL should be >= 0 and <= 3");
 252         return 1;
 253     }
 254     if (cVal.isCache) {
 255         if (0 == strcmp(cVal.dsn,""))
 256         {
 257             printError(ErrBadArg,  "DSN is set to NULL");
 258             return 1;
 259         }
 260     }
 261     if (cVal.isCache) {
 262         if (0 == strcmp(cVal.tableConfigFile,""))
 263         {
 264             //TODO::check whether file exists
 265             printError(ErrBadArg,  "TABLE_CONFIG_FILE is set to NULL");
 266             return 1;
 267         }
 268     }
 269     if (cVal.isCache && (cVal.nRowsToFetch < 1 || cVal.nRowsToFetch > 1000)) {
 270         printError(ErrBadArg, "Resultset cache is not in range [1 - 1000].");
 271         return 1;
 272     }
 273     if (cVal.nwResponseTimeout <0 || cVal.nwResponseTimeout > 60)
 274     {
 275         printError(ErrBadArg,  "NETWORK_RESPONSE_TIMEOUT should be 0 to 60");
 276         return 1;
 277     }
 278     if (cVal.nwConnectTimeout <0 || cVal.nwConnectTimeout > 60)
 279     {
 280         printError(ErrBadArg,  "NETWORK_CONNECT_TIMEOUT should be 0 to 60");
 281         return 1;
 282     }
 283     if (cVal.cacheWaitSecs <1)
 284     {
 285         printError(ErrBadArg,  "CACHE_RECEIVER_WAIT_SECS should be >1");
 286         return 1;
 287     }
 288     if (cVal.port <= 1024)
 289     {
 290         printError(ErrBadArg, "Invalid Port Number");
 291         return 1;
 292     }
 293     if (cVal.durableMode < 1  || cVal.durableMode >4)
 294     {
 295         if (!cVal.isDurable) {
 296             printError(ErrBadArg, "Durability is not enabled but mode is set");
 297         } else {
 298             printError(ErrBadArg, "Durable Mode should be 1 to 4");
 299         }
 300         return 1;
 301     }
 302     if (cVal.stmtCacheSize < 0 || cVal.stmtCacheSize > 1024)
 303     {
 304         printError(ErrBadArg, "STMT_CACHE_SIZE should be >=0 and <1024");
 305         return 1;
 306     }
 307     if (cVal.chkptSecs < 1 || cVal.chkptSecs > 1000000)
 308     {
 309         printError(ErrBadArg, "CHECKPOINT_SECS should be >=1 and <1000000");
 310         return 1;
 311     }
 312     if (cVal.chkptRedoLimit < 1024 * 1024 || cVal.stmtCacheSize > 1024 * 1024 * 1024)
 313     {
 314         printError(ErrBadArg, "CHECKPOINT_LOG_SIZE should be >=1MB and <1 GB");
 315         return 1;
 316     }
 317     return 0;
 318 }
 319
 320 int Config::readAllValues(char *fileName)
 321 {
 322     if (isLoaded) return 0;
 323     FILE *fp;
 324     if (fileName == NULL || 0 == strcmp(fileName, "")) fileName = DEFAULT_CONFIG_FILE;
 325     fp = fopen(fileName,"r");
 326     if( fp == NULL ) {
 327         printError(ErrSysInit, "Invalid path/filename in CSQL_CONFIG_FILE.");
 328         return 1;
 329     }
 330
 331     int hasData = 1;
 332     char buffer[1024];
 333     char key[1024];
 334     char value[1024];
 335     while (hasData)
 336     {
 337         memset(buffer, 0, 1024);
 338         //int ret = fscanf(fp,"%s\r",buffer);
 339         int ret = readLine(fp, buffer);
 340         if (ret == EOF) break;
 341         bool isComment= false;
 342         int posEqual =0;
 343         for (int i = 0; i <1024; i++)
 344         {
 345               if (buffer[i] == '=' ) posEqual=i;
 346               else if (buffer[i] == '#' ) { isComment = true; break; }
 347               else if (buffer[i] == '\n') { break; }
 348               else if (buffer[i] == '\0') { break; }
 349         }
 350       if (isComment) continue;
 351       if (!posEqual) continue;
 352       strncpy(key, buffer, posEqual);
 353       key[posEqual] = '\0';
 354       posEqual++;
 355       strcpy(value, &buffer[posEqual]);
 356       storeKeyVal(key, value);
 357     }
 358     fclose(fp);
 359     if (validateValues())
 360     {
 361         return 1;
 362     }
 363     cVal.noOfProcessors = os::getNoOfProcessors();
 364     isLoaded = true;
 365     return 0;
 366 }
 367 void Config::logConfig()
 368 {
 369     logFinest(Conf::logger, "Config: LOG_FILE %s", getLogFile());
 370     logFinest(Conf::logger, "Config: LOG_LEVEL %d", getLogLevel());
 371     logFinest(Conf::logger, "Config: DURABILITY %d", useDurability());
 372     logFinest(Conf::logger, "Config: MMAP %d", useMmap());
 373     logFinest(Conf::logger, "Config: DURABLE_MODE %d", getDurableMode());
 374     logFinest(Conf::logger, "Config: MUTEX_TIMEOUT_SECS %d", getMutexSecs());
 375     logFinest(Conf::logger, "Config: MUTEX_TIMEOUT_USECS %d", getMutexUSecs());
 376     logFinest(Conf::logger, "Config: MUTEX_TIMEOUT_RETRIES %d", getMutexRetries());
 377     logFinest(Conf::logger, "Config: LOCK_TIMEOUT_SECS %d", getLockSecs());
 378     logFinest(Conf::logger, "Config: LOCK_TIMEOUT_USECS %d", getLockUSecs());
 379     logFinest(Conf::logger, "Config: LOCK_TIMEOUT_RETRIES %d", getLockRetries());
 380 }
 381 void Config::print()
 382 {
 383     printf("ConfigValues\n");
 384     printf(" getPageSize %d\n", getPageSize());
 385     printf(" getMaxProcs %d\n", getMaxProcs());
 386     printf(" getMaxSysDbSize %ld\n", getMaxSysDbSize());
 387     printf(" getMaxDbSize %ld\n", getMaxDbSize());
 388     printf(" getSysDbKey %d\n", getSysDbKey());
 389     printf(" getUserDbKey %d\n", getUserDbKey());
 390     printf(" getLogFile %s\n", getLogFile());
 391     printf(" getLogLevel %d\n", getLogLevel());
 392     printf(" getDatabaseFile %s\n", getDbFile());
 393     printf(" getMapAddress %ld\n", getMapAddress());
 394     printf(" getMutexSecs %d\n", getMutexSecs());
 395     printf(" getMutexUSecs %d\n", getMutexUSecs());
 396     printf(" getMutexRetries %d\n", getMutexRetries());
 397     printf(" getLockSecs %d\n", getLockSecs());
 398     printf(" getLockUSecs %d\n", getLockUSecs());
 399     printf(" getLockRetries %d\n", getLockRetries());
 400     printf(" useCache %d\n", useCache());
 401     printf(" getDSN %s\n", getDSN());
 402     printf(" getNoOfRowsToFetchFromTDB %d\n", getNoOfRowsToFetchFromTDB());
 403     printf(" getDsConfigFile %s\n",getDsConfigFile());
 404     printf(" getTableConfigFile %s\n", getTableConfigFile());
 405     printf(" isTwoWayCache %d\n", useTwoWayCache());
 406     printf(" getCacheMode %d\n", getCacheMode());
 407     printf(" getCacheWaitSecs %d\n", getCacheWaitSecs());
 408     printf(" useCsqlSqlServer %d\n", useCsqlSqlServer());
 409     printf(" getPort %d\n", getPort());
 410     printf(" isDurable %d\n", useDurability());
 411     printf(" getSiteID %d\n", getSiteID());
 412     printf(" getMsgKey %d\n", getMsgKey());
 413     printf(" getShmIDKey %d\n", getShmIDKey());
 414 }