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, "REPLICATION") != NULL)
  74            { cVal.isReplication = os::atobool(value); }
  75     else if (strcasestr(key, "NETWORK_CONFIG_FILE") != NULL)
  76            { strcpy(cVal.replConfigFile , value);  }
  77     else if (strcasestr(key, "MAX_LOG_STORE_SIZE") != NULL)
  78            { cVal.logStoreSize = atol(value);  }
  79     else if (strcasestr(key, "MY_NETWORK_ID") != NULL)
  80            { cVal.networkID = atoi(value);  }
  81     else if (strcasestr(key, "CACHE_NETWORK_ID") != NULL)
  82            { cVal.cacheNetworkID = atoi(value);  }
  83     else if (strcasestr(key, "NETWORK_RESPONSE_TIMEOUT") != NULL)
  84            { cVal.nwResponseTimeout = atoi(value);  }
  85     else if (strcasestr(key, "NETWORK_CONNECT_TIMEOUT") != NULL)
  86            { cVal.nwConnectTimeout = atoi(value);  }
  87     else if (strcasestr(key, "ENABLE_BIDIRECTIONAL_CACHE") != NULL)
  88            { cVal.isTwoWay = os::atobool(value);  }
  89     else if (strcasestr(key, "CACHE_RECEIVER_WAIT_SECS") != NULL)
  90            { cVal.cacheWaitSecs = atoi(value);  }
  91     else  return 1;
  92     return 0;
  93 }
  94 int Config::validateValues()
  95 {
  96     if (cVal.pageSize < 8192 || cVal.pageSize > 1024 * 1024 * 10 )
  97     {
  98         printError(ErrBadArg,  "PAGE_SIZE should be >= 8192 and <= 10 MB");
  99         return 1;
 100     }
 101     if (cVal.pageSize  % 1024 !=0 )
 102     {
 103         printError(ErrBadArg,  "PAGE_SIZE should be multiples of 1024");
 104         return 1;
 105     }
 106     if (cVal.maxProcs < 10 || cVal.maxProcs > 8192)
 107     {
 108         printError(ErrBadArg,  "MAX_PROCS should be >= 10 and <= 8192");
 109         return 1;
 110     }
 111     if (cVal.maxSysSize < 1024 * 1024  || cVal.maxSysSize > 1024 *1024 *1024)
 112     {
 113         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be >= 1 MB and <= 1 GB");
 114         return 1;
 115     }
 116     if (cVal.maxSysSize % 8192 !=0 )
 117     {
 118         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be multiples of 8192");
 119         return 1;
 120     }
 121
 122     if (cVal.maxDbSize < 1024 * 1024  || cVal.maxDbSize > (1024*1024*1024))
 123     {
 124         printError(ErrBadArg,  "MAX_DB_SIZE should be >= 1 MB and <= 2 GB");
 125         return 1;
 126     }
 127     if (cVal.maxDbSize % 8192 !=0)
 128     {
 129         printError(ErrBadArg,  "MAX_DB_SIZE should be multiples of 8192");
 130         return 1;
 131     }
 132
 133     if (cVal.sysDbKey < 10 || cVal.sysDbKey > 8192)
 134     {
 135         printError(ErrBadArg,  "SYS_DB_KEY should be >= 10 and <= 8192");
 136         return 1;
 137     }
 138     if (cVal.userDbKey < 10 || cVal.userDbKey > 8192)
 139     {
 140         printError(ErrBadArg,  "USER_DB_KEY should be >= 10 and <= 8192");
 141         return 1;
 142     }
 143     if ( cVal.sysDbKey == cVal.userDbKey)
 144     {
 145         printError(ErrBadArg,  "USER_DB_KEY and SYS_DB_KEY have same value %d", cVal.userDbKey);
 146         return 1;
 147     }
 148     if (0 == strcmp(cVal.logFile,""))
 149     {
 150         //TODO::check whether file exists
 151         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 152         return 1;
 153     }
 154     if (0 == strcmp(cVal.dbFile,""))
 155     {
 156         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 157         return 1;
 158     }
 159     if (cVal.mapAddr < 400000000 || cVal.mapAddr > 2000000000)
 160     {
 161         printError(ErrBadArg,  "MAP_ADDRESS should be >= 400000000 and <= 2000000000");
 162         return 1;
 163     }
 164     if (cVal.mutexSecs < 0 || cVal.mutexSecs > 360)
 165     {
 166         printError(ErrBadArg,  "MUTEX_TIMEOUT_SECS should be >= 0 and <= 360");
 167         return 1;
 168     }
 169     if (cVal.mutexUSecs < 0 || cVal.mutexUSecs > 1000000)
 170     {
 171         printError(ErrBadArg,  "MUTEX_TIMEOUT_USECS should be >= 0 and <= 1000000");
 172         return 1;
 173     }
 174     if (cVal.mutexRetries < 0 || cVal.mutexRetries > 100)
 175     {
 176         printError(ErrBadArg,  "MUTEX_TIMEOUT_RETRY should be >= 0 and <= 100");
 177         return 1;
 178     }
 179     if (cVal.lockSecs < 0 || cVal.lockSecs > 360)
 180     {
 181         printError(ErrBadArg,  "LOCK_TIMEOUT_SECS should be >= 0 and <= 360");
 182         return 1;
 183     }
 184     if (cVal.lockUSecs < 0 || cVal.lockUSecs > 1000000)
 185     {
 186         printError(ErrBadArg,  "LOCK_TIMEOUT_USECS should be >= 0 and <= 1000000");
 187         return 1;
 188     }
 189     if (cVal.lockRetries < 0 || cVal.lockRetries > 100)
 190     {
 191         printError(ErrBadArg,  "LOCK_TIMEOUT_RETRY should be >= 0 and <= 100");
 192         return 1;
 193     }
 194     if (cVal.isCache && cVal.isReplication) {
 195         printError(ErrBadArg, "Either caching or replication option should be set."
 196                               " Both options are not supported together");
 197         return 1;
 198     }
 199     if (cVal.isCache) {
 200         if (0 == strcmp(cVal.dsn,""))
 201         {
 202             printError(ErrBadArg,  "DSN is set to NULL");
 203             return 1;
 204         }
 205     }
 206     if (cVal.isReplication || cVal.isCache) {
 207         if (0 == strcmp(cVal.replConfigFile,""))
 208         {
 209             //TODO::check whether file exists
 210             printError(ErrBadArg,  "NETWORK_CONFIG_FILE is set to NULL");
 211             return 1;
 212         }
 213         if (0 == strcmp(cVal.tableConfigFile,""))
 214         {
 215             //TODO::check whether file exists
 216             printError(ErrBadArg,  "TABLE_CONFIG_FILE is set to NULL");
 217             return 1;
 218         }
 219         /*FILE *fp = fopen(cVal.replConfigFile,"r");
 220         if( fp == NULL ) {
 221             printError(ErrSysInit, "Invalid path/filename for NETWORK_CONFIG_FILE.\n");
 222             return 1;
 223         }
 224         int count =0;
 225         int nwid, port;
 226         char hostname[IDENTIFIER_LENGTH];
 227         char nwmode;
 228
 229         while(!feof(fp)) {
 230             fscanf(fp, "%d:%d:%s\n", &nwid, &port, hostname);
 231             count++;
 232         }
 233         if (count >2) {
 234             printError(ErrSysInit, "NETWORK_CONFIG_FILE has more than 2 entries\n");
 235             return 1;
 236         }*/
 237
 238     }
 239     /*if (cVal.isCache)
 240     {
 241
 242         if (cVal.cacheNetworkID == -1)
 243         {
 244             printError(ErrBadArg,  "CACHE_NETWORK_ID should not be -1");
 245             return 1;
 246         }else {
 247             FILE *fp;
 248             int nwid;
 249             char hostname[IDENTIFIER_LENGTH];
 250             char nwmode;
 251             int port;
 252             fp = fopen(Conf::config.getReplConfigFile(),"r");
 253             if( fp == NULL ) {
 254                 printError(ErrSysInit, "Invalid path/filename for NETWORK_CONFIG_FILE.\n");
 255                 return 1;
 256             }
 257             bool found = false;
 258             while(!feof(fp)) {
 259                 fscanf(fp, "%d:%d:%s\n", &nwid, &port, hostname);
 260                 if (cVal.cacheNetworkID == nwid) found = true;
 261             }
 262             if (!found) return 1;
 263         }
 264     }*/
 265     if (cVal.logStoreSize < 1024 * 1024  || cVal.logStoreSize > 1024 *1024 *1024)
 266     {
 267         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be >= 1 MB and <= 1 GB");
 268         return 1;
 269     }
 270     if (cVal.logStoreSize % 8192 !=0)
 271     {
 272         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be multiples of 8192");
 273         return 1;
 274     }
 275     if (cVal.nwResponseTimeout <0 || cVal.nwResponseTimeout > 60)
 276     {
 277         printError(ErrBadArg,  "NETWORK_RESPONSE_TIMEOUT should be 0 to 60");
 278         return 1;
 279     }
 280     if (cVal.nwConnectTimeout <0 || cVal.nwConnectTimeout > 60)
 281     {
 282         printError(ErrBadArg,  "NETWORK_CONNECT_TIMEOUT should be 0 to 60");
 283         return 1;
 284     }
 285     if (cVal.cacheWaitSecs <1)
 286     {
 287         printError(ErrBadArg,  "CACHE_RECEIVER_WAIT_SECS should be >1");
 288         return 1;
 289     }
 290     return 0;
 291 }
 292
 293 int Config::readAllValues(char *fileName)
 294 {
 295     FILE *fp;
 296
 297     fp = fopen(fileName,"r");
 298     if( fp == NULL ) {
 299         printError(ErrSysInit, "Invalid path/filename in CSQL_CONFIG_FILE.");
 300         return 1;
 301     }
 302
 303     int hasData = 1;
 304     char buffer[1024];
 305     char key[1024];
 306     char value[1024];
 307     while (hasData)
 308     {
 309         memset(buffer, 0, 1024);
 310         //int ret = fscanf(fp,"%s\r",buffer);
 311         int ret = readLine(fp, buffer);
 312         if (ret == EOF) break;
 313         bool isComment= false;
 314         int posEqual =0;
 315         for (int i = 0; i <1024; i++)
 316         {
 317               if (buffer[i] == '=' ) posEqual=i;
 318               else if (buffer[i] == '#' ) { isComment = true; break; }
 319               else if (buffer[i] == '\n') { break; }
 320               else if (buffer[i] == '\0') { break; }
 321         }
 322       if (isComment) continue;
 323       if (!posEqual) continue;
 324       strncpy(key, buffer, posEqual);
 325       key[posEqual] = '\0';
 326       posEqual++;
 327       strcpy(value, &buffer[posEqual]);
 328       storeKeyVal(key, value);
 329     }
 330     fclose(fp);
 331     if (validateValues())
 332     {
 333         return 1;
 334     }
 335
 336     return 0;
 337 }
 338 void Config::print()
 339 {
 340     printf("ConfigValues\n");
 341     printf(" getPageSize %d\n", getPageSize());
 342     printf(" getMaxProcs %d\n", getMaxProcs());
 343     printf(" getMaxSysDbSize %ld\n", getMaxSysDbSize());
 344     printf(" getMaxDbSize %ld\n", getMaxDbSize());
 345     printf(" getSysDbKey %d\n", getSysDbKey());
 346     printf(" getUserDbKey %d\n", getUserDbKey());
 347     printf(" getLogFile %s\n", getLogFile());
 348     printf(" getDatabaseFile %s\n", getDbFile());
 349     printf(" getMapAddress %ld\n", getMapAddress());
 350     printf(" getMutexSecs %d\n", getMutexSecs());
 351     printf(" getMutexUSecs %d\n", getMutexUSecs());
 352     printf(" getMutexRetries %d\n", getMutexRetries());
 353     printf(" getLockSecs %d\n", getLockSecs());
 354     printf(" getLockUSecs %d\n", getLockUSecs());
 355     printf(" getLockRetries %d\n", getLockRetries());
 356     printf(" useCache %d\n", useCache());
 357     printf(" getDSN %s\n", getDSN());
 358     printf(" getTableConfigFile %s\n", getTableConfigFile());
 359     printf(" isTwoWayCache %d\n", useTwoWayCache());
 360     printf(" getCacheWaitSecs %d\n", getCacheWaitSecs());
 361     //printf(" useReplication %d\n", useReplication());
 362     //printf(" getReplConfigFile %s\n", getReplConfigFile());
 363     //printf(" getMaxLogStoreSize %ld\n", getMaxLogStoreSize());
 364     //printf(" getNetworkID %d\n", getNetworkID());
 365     //printf(" getCacheNetworkID %d\n", getCacheNetworkID());
 366 }