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