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 (strcasestr(key, "PAGE_SIZE") != NULL )
  38            { cVal.pageSize = atoi(value);  }
  39     else if (strcasestr(key, "MAX_PROCS") != NULL)
  40            { cVal.maxProcs = atoi(value);  }
  41     else if (strcasestr(key, "MAX_SYS_DB_SIZE") != NULL)
  42            { cVal.maxSysSize = atol(value);  }
  43     else if (strcasestr(key, "MAX_DB_SIZE") != NULL)
  44            { cVal.maxDbSize = atol(value);  }
  45     else if (strcasestr(key, "SYS_DB_KEY") != NULL)
  46            { cVal.sysDbKey = atoi(value);  }
  47     else if (strcasestr(key, "USER_DB_KEY") != NULL)
  48            { cVal.userDbKey = atoi(value);  }
  49     else if (strcasestr(key, "LOG_FILE") != NULL)
  50            { strcpy(cVal.logFile , value);  }
  51     else if (strcasestr(key, "DATABASE_FILE") != NULL)
  52            { strcpy(cVal.dbFile , value);  }
  53     else if (strcasestr(key, "MAP_ADDRESS") != NULL)
  54            { cVal.mapAddr = atol(value);  }
  55     else if (strcasestr(key, "MUTEX_TIMEOUT_SECS") != NULL)
  56            { cVal.mutexSecs = atoi(value);  }
  57     else if (strcasestr(key, "MUTEX_TIMEOUT_USECS") != NULL)
  58            { cVal.mutexUSecs = atoi(value);  }
  59     else if (strcasestr(key, "MUTEX_TIMEOUT_RETRIES") != NULL)
  60            { cVal.mutexRetries = atoi(value);  }
  61     else if (strcasestr(key, "LOCK_TIMEOUT_SECS") != NULL)
  62            { cVal.lockSecs = atoi(value);  }
  63     else if (strcasestr(key, "LOCK_TIMEOUT_USECS") != NULL)
  64            { cVal.lockUSecs = atoi(value);  }
  65     else if (strcasestr(key, "LOCK_TIMEOUT_RETRIES") != NULL)
  66            { cVal.lockRetries = atoi(value);  }
  67     else if (strcasestr(key, "DSN") != NULL)
  68            { strcpy(cVal.dsn , value);  }
  69     else if (strcasestr(key, "TABLE_CONFIG_FILE") != NULL)
  70            { strcpy(cVal.tableConfigFile , value);  }
  71     else if (strcasestr(key, "CACHE_TABLE") != NULL)
  72            { cVal.isCache = os::atobool(value); }
  73     else if(strcasestr(key,"CACHE_ID")!=NULL)
  74            { cVal.cacheId = atoi(value);}
  75     else if (strcasestr(key, "DURABILITY") != NULL)
  76            { cVal.isDurable = os::atobool(value); }
  77     else if (strcasestr(key, "CSQL_SQL_SERVER") != NULL)
  78            { cVal.isCsqlSqlServer = os::atobool(value); }
  79     else if (strcasestr(key, "PORT") != NULL)
  80            { cVal.port = atoi(value); }
  81     else if (strcasestr(key, "MAX_LOG_STORE_SIZE") != NULL)
  82            { cVal.logStoreSize = atol(value);  }
  83     else if (strcasestr(key, "MY_NETWORK_ID") != NULL)
  84            { cVal.networkID = atoi(value);  }
  85     else if (strcasestr(key, "ID_SHM_KEY") != NULL)
  86            { cVal.shmKeyForId = atoi(value);  }
  87     else if (strcasestr(key, "CACHE_NETWORK_ID") != NULL)
  88            { cVal.cacheNetworkID = atoi(value);  }
  89     else if (strcasestr(key, "NETWORK_RESPONSE_TIMEOUT") != NULL)
  90            { cVal.nwResponseTimeout = atoi(value);  }
  91     else if (strcasestr(key, "NETWORK_CONNECT_TIMEOUT") != NULL)
  92            { cVal.nwConnectTimeout = atoi(value);  }
  93     else if (strcasestr(key, "ENABLE_BIDIRECTIONAL_CACHE") != NULL)
  94            { cVal.isTwoWay = os::atobool(value);  }
  95     else if (strcasestr(key, "CACHE_RECEIVER_WAIT_SECS") != NULL)
  96            { cVal.cacheWaitSecs = atoi(value);  }
  97     else  return 1;
  98     return 0;
  99 }
 100 int Config::validateValues()
 101 {
 102     if (cVal.pageSize < 8192 || cVal.pageSize > 1024 * 1024 * 10 )
 103     {
 104         printError(ErrBadArg,  "PAGE_SIZE should be >= 8192 and <= 10 MB");
 105         return 1;
 106     }
 107     if (cVal.pageSize  % 1024 !=0 )
 108     {
 109         printError(ErrBadArg,  "PAGE_SIZE should be multiples of 1024");
 110         return 1;
 111     }
 112     if (cVal.maxProcs < 10 || cVal.maxProcs > 8192)
 113     {
 114         printError(ErrBadArg,  "MAX_PROCS should be >= 10 and <= 8192");
 115         return 1;
 116     }
 117     if (cVal.maxSysSize < 1024 * 1024  || cVal.maxSysSize > 1024 *1024 *1024)
 118     {
 119         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be >= 1 MB and <= 1 GB");
 120         return 1;
 121     }
 122     if (cVal.maxSysSize % 8192 !=0 )
 123     {
 124         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be multiples of 8192");
 125         return 1;
 126     }
 127
 128     if (cVal.maxDbSize < 1024 * 1024  || cVal.maxDbSize > (1024*1024*1024))
 129     {
 130         printError(ErrBadArg,  "MAX_DB_SIZE should be >= 1 MB and <= 2 GB");
 131         return 1;
 132     }
 133     if (cVal.maxDbSize % 8192 !=0)
 134     {
 135         printError(ErrBadArg,  "MAX_DB_SIZE should be multiples of 8192");
 136         return 1;
 137     }
 138
 139     if (cVal.sysDbKey < 10 || cVal.sysDbKey > 8192)
 140     {
 141         printError(ErrBadArg,  "SYS_DB_KEY should be >= 10 and <= 8192");
 142         return 1;
 143     }
 144     if (cVal.userDbKey < 10 || cVal.userDbKey > 8192)
 145     {
 146         printError(ErrBadArg,  "USER_DB_KEY should be >= 10 and <= 8192");
 147         return 1;
 148     }
 149     if ( cVal.sysDbKey == cVal.userDbKey)
 150     {
 151         printError(ErrBadArg,  "USER_DB_KEY and SYS_DB_KEY have same value %d", cVal.userDbKey);
 152         return 1;
 153     }
 154     if (0 == strcmp(cVal.logFile,""))
 155     {
 156         //TODO::check whether file exists
 157         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 158         return 1;
 159     }
 160     if (0 == strcmp(cVal.dbFile,""))
 161     {
 162         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 163         return 1;
 164     }
 165     if (cVal.mapAddr < 400000000 || cVal.mapAddr > 2000000000)
 166     {
 167         printError(ErrBadArg,  "MAP_ADDRESS should be >= 400000000 and <= 2000000000");
 168         return 1;
 169     }
 170     if (cVal.mutexSecs < 0 || cVal.mutexSecs > 360)
 171     {
 172         printError(ErrBadArg,  "MUTEX_TIMEOUT_SECS should be >= 0 and <= 360");
 173         return 1;
 174     }
 175     if (cVal.mutexUSecs < 0 || cVal.mutexUSecs > 1000000)
 176     {
 177         printError(ErrBadArg,  "MUTEX_TIMEOUT_USECS should be >= 0 and <= 1000000");
 178         return 1;
 179     }
 180     if (cVal.mutexRetries < 0 || cVal.mutexRetries > 100)
 181     {
 182         printError(ErrBadArg,  "MUTEX_TIMEOUT_RETRY should be >= 0 and <= 100");
 183         return 1;
 184     }
 185     if (cVal.lockSecs < 0 || cVal.lockSecs > 360)
 186     {
 187         printError(ErrBadArg,  "LOCK_TIMEOUT_SECS should be >= 0 and <= 360");
 188         return 1;
 189     }
 190     if (cVal.lockUSecs < 0 || cVal.lockUSecs > 1000000)
 191     {
 192         printError(ErrBadArg,  "LOCK_TIMEOUT_USECS should be >= 0 and <= 1000000");
 193         return 1;
 194     }
 195     if (cVal.lockRetries < 0 || cVal.lockRetries > 100)
 196     {
 197         printError(ErrBadArg,  "LOCK_TIMEOUT_RETRY should be >= 0 and <= 100");
 198         return 1;
 199     }
 200     if (cVal.isCache) {
 201         if (0 == strcmp(cVal.dsn,""))
 202         {
 203             printError(ErrBadArg,  "DSN is set to NULL");
 204             return 1;
 205         }
 206     }
 207     /*if (cVal.isCache)
 208     {
 209
 210         if (cVal.cacheNetworkID == -1)
 211         {
 212             printError(ErrBadArg,  "CACHE_NETWORK_ID should not be -1");
 213             return 1;
 214         }else {
 215             FILE *fp;
 216             int nwid;
 217             char hostname[IDENTIFIER_LENGTH];
 218             char nwmode;
 219             int port;
 220             fp = fopen(Conf::config.getReplConfigFile(),"r");
 221             if( fp == NULL ) {
 222                 printError(ErrSysInit, "Invalid path/filename for NETWORK_CONFIG_FILE.\n");
 223                 return 1;
 224             }
 225             bool found = false;
 226             while(!feof(fp)) {
 227                 fscanf(fp, "%d:%d:%s\n", &nwid, &port, hostname);
 228                 if (cVal.cacheNetworkID == nwid) found = true;
 229             }
 230             if (!found) return 1;
 231         }
 232     }*/
 233     if (cVal.logStoreSize < 1024 * 1024  || cVal.logStoreSize > 1024 *1024 *1024)
 234     {
 235         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be >= 1 MB and <= 1 GB");
 236         return 1;
 237     }
 238     if (cVal.logStoreSize % 8192 !=0)
 239     {
 240         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be multiples of 8192");
 241         return 1;
 242     }
 243     if (cVal.nwResponseTimeout <0 || cVal.nwResponseTimeout > 60)
 244     {
 245         printError(ErrBadArg,  "NETWORK_RESPONSE_TIMEOUT should be 0 to 60");
 246         return 1;
 247     }
 248     if (cVal.nwConnectTimeout <0 || cVal.nwConnectTimeout > 60)
 249     {
 250         printError(ErrBadArg,  "NETWORK_CONNECT_TIMEOUT should be 0 to 60");
 251         return 1;
 252     }
 253     if (cVal.cacheWaitSecs <1)
 254     {
 255         printError(ErrBadArg,  "CACHE_RECEIVER_WAIT_SECS should be >1");
 256         return 1;
 257     }
 258     if (cVal.port <= 1024)
 259     {
 260         printError(ErrBadArg, "Invalid Port Number");
 261         return 1;
 262     }
 263     return 0;
 264 }
 265
 266 int Config::readAllValues(char *fileName)
 267 {
 268     FILE *fp;
 269
 270     fp = fopen(fileName,"r");
 271     if( fp == NULL ) {
 272         printError(ErrSysInit, "Invalid path/filename in CSQL_CONFIG_FILE.");
 273         return 1;
 274     }
 275
 276     int hasData = 1;
 277     char buffer[1024];
 278     char key[1024];
 279     char value[1024];
 280     while (hasData)
 281     {
 282         memset(buffer, 0, 1024);
 283         //int ret = fscanf(fp,"%s\r",buffer);
 284         int ret = readLine(fp, buffer);
 285         if (ret == EOF) break;
 286         bool isComment= false;
 287         int posEqual =0;
 288         for (int i = 0; i <1024; i++)
 289         {
 290               if (buffer[i] == '=' ) posEqual=i;
 291               else if (buffer[i] == '#' ) { isComment = true; break; }
 292               else if (buffer[i] == '\n') { break; }
 293               else if (buffer[i] == '\0') { break; }
 294         }
 295       if (isComment) continue;
 296       if (!posEqual) continue;
 297       strncpy(key, buffer, posEqual);
 298       key[posEqual] = '\0';
 299       posEqual++;
 300       strcpy(value, &buffer[posEqual]);
 301       storeKeyVal(key, value);
 302     }
 303     fclose(fp);
 304     if (validateValues())
 305     {
 306         return 1;
 307     }
 308
 309     return 0;
 310 }
 311 void Config::print()
 312 {
 313     printf("ConfigValues\n");
 314     printf(" getPageSize %d\n", getPageSize());
 315     printf(" getMaxProcs %d\n", getMaxProcs());
 316     printf(" getMaxSysDbSize %ld\n", getMaxSysDbSize());
 317     printf(" getMaxDbSize %ld\n", getMaxDbSize());
 318     printf(" getSysDbKey %d\n", getSysDbKey());
 319     printf(" getUserDbKey %d\n", getUserDbKey());
 320     printf(" getLogFile %s\n", getLogFile());
 321     printf(" getDatabaseFile %s\n", getDbFile());
 322     printf(" getMapAddress %ld\n", getMapAddress());
 323     printf(" getMutexSecs %d\n", getMutexSecs());
 324     printf(" getMutexUSecs %d\n", getMutexUSecs());
 325     printf(" getMutexRetries %d\n", getMutexRetries());
 326     printf(" getLockSecs %d\n", getLockSecs());
 327     printf(" getLockUSecs %d\n", getLockUSecs());
 328     printf(" getLockRetries %d\n", getLockRetries());
 329     printf(" isDurable %d\n", useDurability());
 330     printf(" useCache %d\n", useCache());
 331     printf(" getCacheID %d\n", getCacheID());
 332     printf(" getDSN %s\n", getDSN());
 333     printf(" getTableConfigFile %s\n", getTableConfigFile());
 334     printf(" isTwoWayCache %d\n", useTwoWayCache());
 335     printf(" getCacheWaitSecs %d\n", getCacheWaitSecs());
 336     printf(" useCsqlSqlServer %d\n", useCsqlSqlServer());
 337     printf(" getPort %d\n", getPort());
 338     printf(" getShmIDKey %d\n", getShmIDKey());
 339     //printf(" getMaxLogStoreSize %ld\n", getMaxLogStoreSize());
 340     //printf(" getNetworkID %d\n", getNetworkID());
 341     //printf(" getCacheNetworkID %d\n", getCacheNetworkID());
 342 }