src/server/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_TRANS") != NULL)
  40            { cVal.maxTrans = atoi(value);  }
  41     else if (strcasestr(key, "MAX_PROCS") != NULL)
  42            { cVal.maxProcs = atoi(value);  }
  43     else if (strcasestr(key, "MAX_THREADS") != NULL)
  44            { cVal.maxThreads = atoi(value);  }
  45     else if (strcasestr(key, "MAX_SYS_DB_SIZE") != NULL)
  46            { cVal.maxSysSize = atol(value);  }
  47     else if (strcasestr(key, "MAX_DB_SIZE") != NULL)
  48            { cVal.maxDbSize = atol(value);  }
  49     else if (strcasestr(key, "SYS_DB_KEY") != NULL)
  50            { cVal.sysDbKey = atoi(value);  }
  51     else if (strcasestr(key, "USER_DB_KEY") != NULL)
  52            { cVal.userDbKey = atoi(value);  }
  53     else if (strcasestr(key, "LOG_FILE") != NULL)
  54            { strcpy(cVal.logFile , value);  }
  55     else if (strcasestr(key, "MAP_ADDRESS") != NULL)
  56            { cVal.mapAddr = atol(value);  }
  57     else if (strcasestr(key, "MUTEX_TIMEOUT_SECS") != NULL)
  58            { cVal.mutexSecs = atoi(value);  }
  59     else if (strcasestr(key, "MUTEX_TIMEOUT_USECS") != NULL)
  60            { cVal.mutexUSecs = atoi(value);  }
  61     else if (strcasestr(key, "MUTEX_TIMEOUT_RETRIES") != NULL)
  62            { cVal.mutexRetries = atoi(value);  }
  63     else if (strcasestr(key, "LOCK_TIMEOUT_SECS") != NULL)
  64            { cVal.lockSecs = atoi(value);  }
  65     else if (strcasestr(key, "LOCK_TIMEOUT_USECS") != NULL)
  66            { cVal.lockUSecs = atoi(value);  }
  67     else if (strcasestr(key, "LOCK_TIMEOUT_RETRIES") != NULL)
  68            { cVal.lockRetries = atoi(value);  }
  69     else if (strcasestr(key, "DSN") != NULL)
  70            { strcpy(cVal.dsn , value);  }
  71     else if (strcasestr(key, "TABLE_CONFIG_FILE") != NULL)
  72            { strcpy(cVal.tableConfigFile , value);  }
  73     else if (strcasestr(key, "CACHE") != NULL)
  74            { cVal.isCache = os::atobool(value); }
  75     else if (strcasestr(key, "REPLICATION") != NULL)
  76            { cVal.isReplication = os::atobool(value); }
  77     else if (strcasestr(key, "NETWORK_CONFIG_FILE") != NULL)
  78            { strcpy(cVal.replConfigFile , value);  }
  79     else if (strcasestr(key, "MAX_LOG_STORE_SIZE") != NULL)
  80            { cVal.logStoreSize = atol(value);  }
  81     else if (strcasestr(key, "NETWORK_ID") != NULL)
  82            { cVal.networkID = 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  return 1;
  88     return 0;
  89 }
  90 int Config::validateValues()
  91 {
  92     if (cVal.pageSize < 8192 || cVal.pageSize > 1024 * 1024 * 10 )
  93     {
  94         printError(ErrBadArg,  "PAGE_SIZE should be >= 8192 and <= 10 MB");
  95         return 1;
  96     }
  97     if (cVal.pageSize  % 1024 !=0 )
  98     {
  99         printError(ErrBadArg,  "PAGE_SIZE should be multiples of 1024");
 100         return 1;
 101     }
 102     if (cVal.maxTrans < 10 || cVal.maxTrans > 8192)
 103     {
 104         printError(ErrBadArg,  "MAX_TRANS should be >= 10 and <= 8192");
 105         return 1;
 106     }
 107     if (cVal.maxProcs < 10 || cVal.maxProcs > 8192)
 108     {
 109         printError(ErrBadArg,  "MAX_PROCS should be >= 10 and <= 8192");
 110         return 1;
 111     }
 112     if (cVal.maxThreads < 1 || cVal.maxThreads > 64)
 113     {
 114         printError(ErrBadArg,  "MAX_THREADS should be >= 1 and <= 64");
 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     //TODO::Check for the existence of the log file
 161     if (cVal.mapAddr < 400000000 || cVal.mapAddr > 2000000000)
 162     {
 163         printError(ErrBadArg,  "MAP_ADDRESS should be >= 400000000 and <= 2000000000");
 164         return 1;
 165     }
 166     if (cVal.mutexSecs < 0 || cVal.mutexSecs > 360)
 167     {
 168         printError(ErrBadArg,  "MUTEX_TIMEOUT_SECS should be >= 0 and <= 360");
 169         return 1;
 170     }
 171     if (cVal.mutexUSecs < 0 || cVal.mutexUSecs > 1000000)
 172     {
 173         printError(ErrBadArg,  "MUTEX_TIMEOUT_USECS should be >= 0 and <= 1000000");
 174         return 1;
 175     }
 176     if (cVal.mutexRetries < 0 || cVal.mutexRetries > 100)
 177     {
 178         printError(ErrBadArg,  "MUTEX_TIMEOUT_RETRY should be >= 0 and <= 100");
 179         return 1;
 180     }
 181     if (cVal.lockSecs < 0 || cVal.lockSecs > 360)
 182     {
 183         printError(ErrBadArg,  "LOCK_TIMEOUT_SECS should be >= 0 and <= 360");
 184         return 1;
 185     }
 186     if (cVal.lockUSecs < 0 || cVal.lockUSecs > 1000000)
 187     {
 188         printError(ErrBadArg,  "LOCK_TIMEOUT_USECS should be >= 0 and <= 1000000");
 189         return 1;
 190     }
 191     if (cVal.lockRetries < 0 || cVal.lockRetries > 100)
 192     {
 193         printError(ErrBadArg,  "LOCK_TIMEOUT_RETRY should be >= 0 and <= 100");
 194         return 1;
 195     }
 196     if (cVal.isCache && cVal.isReplication) {
 197         printError(ErrBadArg, "Either caching or replication option should be set."
 198                               " Both options are not supported together");
 199         return 1;
 200     }
 201     if (cVal.isCache) {
 202         if (0 == strcmp(cVal.dsn,""))
 203         {
 204             printError(ErrBadArg,  "DSN is set to NULL");
 205             return 1;
 206         }
 207     }
 208     if (cVal.isReplication || cVal.isCache) {
 209         if (0 == strcmp(cVal.replConfigFile,""))
 210         {
 211             //TODO::check whether file exists
 212             printError(ErrBadArg,  "NETWORK_CONFIG_FILE is set to NULL");
 213             return 1;
 214         }
 215         if (0 == strcmp(cVal.tableConfigFile,""))
 216         {
 217             //TODO::check whether file exists
 218             printError(ErrBadArg,  "TABLE_CONFIG_FILE is set to NULL");
 219             return 1;
 220         }
 221     }
 222     if (cVal.logStoreSize < 1024 * 1024  || cVal.logStoreSize > 1024 *1024 *1024)
 223     {
 224         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be >= 1 MB and <= 1 GB");
 225         return 1;
 226     }
 227     if (cVal.logStoreSize % 8192 !=0)
 228     {
 229         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be multiples of 8192");
 230         return 1;
 231     }
 232     if (cVal.nwResponseTimeout <0 || cVal.nwResponseTimeout > 60)
 233     {
 234         printError(ErrBadArg,  "NETWORK_RESPONSE_TIMEOUT should be 0 to 60");
 235         return 1;
 236     }
 237     if (cVal.nwConnectTimeout <0 || cVal.nwConnectTimeout > 60)
 238     {
 239         printError(ErrBadArg,  "NETWORK_CONNECT_TIMEOUT should be 0 to 60");
 240         return 1;
 241     }
 242     //TODO::validate networkid
 243     return 0;
 244 }
 245
 246 int Config::readAllValues(char *fileName)
 247 {
 248     FILE *fp;
 249
 250     fp = fopen(fileName,"r");
 251     if( fp == NULL ) {
 252         printError(ErrSysInit, "Invalid path/filename in CSQL_CONFIG_FILE.");
 253         return 1;
 254     }
 255
 256     int hasData = 1;
 257     char buffer[1024];
 258     char key[1024];
 259     char value[1024];
 260     while (hasData)
 261     {
 262         memset(buffer, 0, 1024);
 263         //int ret = fscanf(fp,"%s\r",buffer);
 264         int ret = readLine(fp, buffer);
 265         if (ret == EOF) break;
 266         bool isComment= false;
 267         int posEqual =0;
 268         for (int i = 0; i <1024; i++)
 269         {
 270               if (buffer[i] == '=' ) posEqual=i;
 271               else if (buffer[i] == '#' ) { isComment = true; break; }
 272               else if (buffer[i] == '\n') { break; }
 273               else if (buffer[i] == '\0') { break; }
 274         }
 275       if (isComment) continue;
 276       if (!posEqual) continue;
 277       strncpy(key, buffer, posEqual);
 278       key[posEqual] = '\0';
 279       posEqual++;
 280       strcpy(value, &buffer[posEqual]);
 281       storeKeyVal(key, value);
 282     }
 283     fclose(fp);
 284     if (validateValues())
 285     {
 286         return 1;
 287     }
 288
 289     return 0;
 290 }
 291 void Config::print()
 292 {
 293     printf("ConfigValues\n");
 294     printf(" getPageSize %d\n", getPageSize());
 295     printf(" getMaxTrans %d\n", getMaxTrans());
 296     printf(" getMaxProcs %d\n", getMaxProcs());
 297     printf(" getMaxSysDbSize %ld\n", getMaxSysDbSize());
 298     printf(" getMaxDbSize %ld\n", getMaxDbSize());
 299     printf(" getSysDbKey %d\n", getSysDbKey());
 300     printf(" getUserDbKey %d\n", getUserDbKey());
 301     printf(" getLogFile %s\n", getLogFile());
 302     printf(" getMapAddress %ld\n", getMapAddress());
 303     printf(" getMutexSecs %d\n", getMutexSecs());
 304     printf(" getMutexUSecs %d\n", getMutexUSecs());
 305     printf(" getMutexRetries %d\n", getMutexRetries());
 306     printf(" getLockSecs %d\n", getLockSecs());
 307     printf(" getLockUSecs %d\n", getLockUSecs());
 308     printf(" getLockRetries %d\n", getLockRetries());
 309     printf(" useCache %d\n", useCache());
 310     printf(" getDSN %s\n", getDSN());
 311     printf(" getTableConfigFile %s\n", getTableConfigFile());
 312     printf(" useReplication %d\n", useReplication());
 313     printf(" getReplConfigFile %s\n", getReplConfigFile());
 314     printf(" getMaxLogStoreSize %ld\n", getMaxLogStoreSize());
 315     printf(" getNetworkID %d\n", getNetworkID());
 316 }