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, "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, "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, "MY_NETWORK_ID") != NULL)
  82            { cVal.networkID = atoi(value);  }
  83     else if (strcasestr(key, "CACHE_NETWORK_ID") != NULL)
  84            { cVal.cacheNetworkID = atoi(value);  }
  85     else if (strcasestr(key, "NETWORK_RESPONSE_TIMEOUT") != NULL)
  86            { cVal.nwResponseTimeout = atoi(value);  }
  87     else if (strcasestr(key, "NETWORK_CONNECT_TIMEOUT") != NULL)
  88            { cVal.nwConnectTimeout = atoi(value);  }
  89     else if (strcasestr(key, "ENABLE_BIDIRECTIONAL_CACHE") != NULL)
  90            { cVal.isTwoWay = os::atobool(value);  }
  91     else if (strcasestr(key, "CACHE_RECEIVER_WAIT_SECS") != NULL)
  92            { cVal.cacheWaitSecs = atoi(value);  }
  93     else  return 1;
  94     return 0;
  95 }
  96 int Config::validateValues()
  97 {
  98     if (cVal.pageSize < 8192 || cVal.pageSize > 1024 * 1024 * 10 )
  99     {
 100         printError(ErrBadArg,  "PAGE_SIZE should be >= 8192 and <= 10 MB");
 101         return 1;
 102     }
 103     if (cVal.pageSize  % 1024 !=0 )
 104     {
 105         printError(ErrBadArg,  "PAGE_SIZE should be multiples of 1024");
 106         return 1;
 107     }
 108     if (cVal.maxProcs < 10 || cVal.maxProcs > 8192)
 109     {
 110         printError(ErrBadArg,  "MAX_PROCS should be >= 10 and <= 8192");
 111         return 1;
 112     }
 113     if (cVal.maxSysSize < 1024 * 1024  || cVal.maxSysSize > 1024 *1024 *1024)
 114     {
 115         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be >= 1 MB and <= 1 GB");
 116         return 1;
 117     }
 118     if (cVal.maxSysSize % 8192 !=0 )
 119     {
 120         printError(ErrBadArg,  "MAX_SYS_DB_SIZE should be multiples of 8192");
 121         return 1;
 122     }
 123
 124     if (cVal.maxDbSize < 1024 * 1024  || cVal.maxDbSize > (1024*1024*1024))
 125     {
 126         printError(ErrBadArg,  "MAX_DB_SIZE should be >= 1 MB and <= 2 GB");
 127         return 1;
 128     }
 129     if (cVal.maxDbSize % 8192 !=0)
 130     {
 131         printError(ErrBadArg,  "MAX_DB_SIZE should be multiples of 8192");
 132         return 1;
 133     }
 134
 135     if (cVal.sysDbKey < 10 || cVal.sysDbKey > 8192)
 136     {
 137         printError(ErrBadArg,  "SYS_DB_KEY should be >= 10 and <= 8192");
 138         return 1;
 139     }
 140     if (cVal.userDbKey < 10 || cVal.userDbKey > 8192)
 141     {
 142         printError(ErrBadArg,  "USER_DB_KEY should be >= 10 and <= 8192");
 143         return 1;
 144     }
 145     if ( cVal.sysDbKey == cVal.userDbKey)
 146     {
 147         printError(ErrBadArg,  "USER_DB_KEY and SYS_DB_KEY have same value %d", cVal.userDbKey);
 148         return 1;
 149     }
 150     if (0 == strcmp(cVal.logFile,""))
 151     {
 152         //TODO::check whether file exists
 153         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 154         return 1;
 155     }
 156     if (0 == strcmp(cVal.dbFile,""))
 157     {
 158         printError(ErrBadArg,  "LOG_FILE is set to NULL");
 159         return 1;
 160     }
 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         /*FILE *fp = fopen(cVal.replConfigFile,"r");
 222         if( fp == NULL ) {
 223             printError(ErrSysInit, "Invalid path/filename for NETWORK_CONFIG_FILE.\n");
 224             return 1;
 225         }
 226         int count =0;
 227         int nwid, port;
 228         char hostname[IDENTIFIER_LENGTH];
 229         char nwmode;
 230
 231         while(!feof(fp)) {
 232             fscanf(fp, "%d:%d:%s\n", &nwid, &port, hostname);
 233             count++;
 234         }
 235         if (count >2) {
 236             printError(ErrSysInit, "NETWORK_CONFIG_FILE has more than 2 entries\n");
 237             return 1;
 238         }*/
 239
 240     }
 241     /*if (cVal.isCache)
 242     {
 243
 244         if (cVal.cacheNetworkID == -1)
 245         {
 246             printError(ErrBadArg,  "CACHE_NETWORK_ID should not be -1");
 247             return 1;
 248         }else {
 249             FILE *fp;
 250             int nwid;
 251             char hostname[IDENTIFIER_LENGTH];
 252             char nwmode;
 253             int port;
 254             fp = fopen(Conf::config.getReplConfigFile(),"r");
 255             if( fp == NULL ) {
 256                 printError(ErrSysInit, "Invalid path/filename for NETWORK_CONFIG_FILE.\n");
 257                 return 1;
 258             }
 259             bool found = false;
 260             while(!feof(fp)) {
 261                 fscanf(fp, "%d:%d:%s\n", &nwid, &port, hostname);
 262                 if (cVal.cacheNetworkID == nwid) found = true;
 263             }
 264             if (!found) return 1;
 265         }
 266     }*/
 267     if (cVal.logStoreSize < 1024 * 1024  || cVal.logStoreSize > 1024 *1024 *1024)
 268     {
 269         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be >= 1 MB and <= 1 GB");
 270         return 1;
 271     }
 272     if (cVal.logStoreSize % 8192 !=0)
 273     {
 274         printError(ErrBadArg,  "MAX_LOG_STORE_SIZE should be multiples of 8192");
 275         return 1;
 276     }
 277     if (cVal.nwResponseTimeout <0 || cVal.nwResponseTimeout > 60)
 278     {
 279         printError(ErrBadArg,  "NETWORK_RESPONSE_TIMEOUT should be 0 to 60");
 280         return 1;
 281     }
 282     if (cVal.nwConnectTimeout <0 || cVal.nwConnectTimeout > 60)
 283     {
 284         printError(ErrBadArg,  "NETWORK_CONNECT_TIMEOUT should be 0 to 60");
 285         return 1;
 286     }
 287     if (cVal.cacheWaitSecs <1)
 288     {
 289         printError(ErrBadArg,  "CACHE_RECEIVER_WAIT_SECS should be >1");
 290         return 1;
 291     }
 292     return 0;
 293 }
 294
 295 int Config::readAllValues(char *fileName)
 296 {
 297     FILE *fp;
 298
 299     fp = fopen(fileName,"r");
 300     if( fp == NULL ) {
 301         printError(ErrSysInit, "Invalid path/filename in CSQL_CONFIG_FILE.");
 302         return 1;
 303     }
 304
 305     int hasData = 1;
 306     char buffer[1024];
 307     char key[1024];
 308     char value[1024];
 309     while (hasData)
 310     {
 311         memset(buffer, 0, 1024);
 312         //int ret = fscanf(fp,"%s\r",buffer);
 313         int ret = readLine(fp, buffer);
 314         if (ret == EOF) break;
 315         bool isComment= false;
 316         int posEqual =0;
 317         for (int i = 0; i <1024; i++)
 318         {
 319               if (buffer[i] == '=' ) posEqual=i;
 320               else if (buffer[i] == '#' ) { isComment = true; break; }
 321               else if (buffer[i] == '\n') { break; }
 322               else if (buffer[i] == '\0') { break; }
 323         }
 324       if (isComment) continue;
 325       if (!posEqual) continue;
 326       strncpy(key, buffer, posEqual);
 327       key[posEqual] = '\0';
 328       posEqual++;
 329       strcpy(value, &buffer[posEqual]);
 330       storeKeyVal(key, value);
 331     }
 332     fclose(fp);
 333     if (validateValues())
 334     {
 335         return 1;
 336     }
 337
 338     return 0;
 339 }
 340 void Config::print()
 341 {
 342     printf("ConfigValues\n");
 343     printf(" getPageSize %d\n", getPageSize());
 344     printf(" getMaxProcs %d\n", getMaxProcs());
 345     printf(" getMaxSysDbSize %ld\n", getMaxSysDbSize());
 346     printf(" getMaxDbSize %ld\n", getMaxDbSize());
 347     printf(" getSysDbKey %d\n", getSysDbKey());
 348     printf(" getUserDbKey %d\n", getUserDbKey());
 349     printf(" getLogFile %s\n", getLogFile());
 350     printf(" getDatabaseFile %s\n", getDbFile());
 351     printf(" getMapAddress %ld\n", getMapAddress());
 352     printf(" getMutexSecs %d\n", getMutexSecs());
 353     printf(" getMutexUSecs %d\n", getMutexUSecs());
 354     printf(" getMutexRetries %d\n", getMutexRetries());
 355     printf(" getLockSecs %d\n", getLockSecs());
 356     printf(" getLockUSecs %d\n", getLockUSecs());
 357     printf(" getLockRetries %d\n", getLockRetries());
 358     printf(" useCache %d\n", useCache());
 359     printf(" getDSN %s\n", getDSN());
 360     printf(" getTableConfigFile %s\n", getTableConfigFile());
 361     printf(" isTwoWayCache %d\n", useTwoWayCache());
 362     printf(" getCacheWaitSecs %d\n", getCacheWaitSecs());
 363     //printf(" useReplication %d\n", useReplication());
 364     //printf(" getReplConfigFile %s\n", getReplConfigFile());
 365     //printf(" getMaxLogStoreSize %ld\n", getMaxLogStoreSize());
 366     //printf(" getNetworkID %d\n", getNetworkID());
 367     //printf(" getCacheNetworkID %d\n", getCacheNetworkID());
 368 }