src/zm_storage.cpp

Rama master · réplica de lectura del repositorio original.

/*
 * ZoneMinder regular expression class implementation, $Date$, $Revision$
 * Copyright (C) 2001-2008 Philip Coombes
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "zm_storage.h"

#include "zm_db.h"
#include "zm_logger.h"
#include "zm_utils.h"
#include <cstring>

Storage::Storage() : id(0) {
  Warning("Instantiating default Storage Object. Should not happen.");
  strncpy(name, "Default", sizeof(name) - 1);
  if (staticConfig.DIR_EVENTS.empty() || staticConfig.DIR_EVENTS[0] != '/') {
    // not using an absolute path. Make it one by appending ZM_PATH_WEB
    snprintf(path, sizeof(path), "%s/%s",
             staticConfig.PATH_WEB.c_str(), staticConfig.DIR_EVENTS.c_str());
  } else {
    strncpy(path, staticConfig.DIR_EVENTS.c_str(), sizeof(path) - 1);
  }
  scheme = MEDIUM;
  scheme_str = "Medium";
}

Storage::Storage(MYSQL_ROW &dbrow) {
  unsigned int index = 0;
  id = atoi(dbrow[index++]);
  strncpy(name, dbrow[index++], sizeof(name) - 1);
  strncpy(path, dbrow[index++], sizeof(path) - 1);
  type_str = std::string(dbrow[index++]);
  scheme_str = std::string(dbrow[index++]);
  if (scheme_str == "Deep") {
    scheme = DEEP;
  } else if (scheme_str == "Medium") {
    scheme = MEDIUM;
  } else {
    scheme = SHALLOW;
  }
  size_t length = strlen(path);
  while (length and *(path+length-1) == '/') {
    *(path+length-1) = 0;
    length = strlen(path);
  }
}

/* If a zero or invalid p_id is passed, then the old default path will be assumed.  */
Storage::Storage(unsigned int p_id) : id(p_id) {
  if (id) {
    std::string sql = stringtf("SELECT `Id`, `Name`, `Path`, `Type`, `Scheme` FROM `Storage` WHERE `Id`=%u", id);
    Debug(2, "Loading Storage for %u using %s", id, sql.c_str());
    zmDbRow dbrow;
    if (!dbrow.fetch(sql)) {
      Error("Unable to load storage area for id %d: %s", id, mysql_error(&dbconn));
    } else {
      unsigned int index = 0;
      id = atoi(dbrow[index++]);
      strncpy(name, dbrow[index++], sizeof(name) - 1);
      strncpy(path, dbrow[index++], sizeof(path) - 1);
      type_str = std::string(dbrow[index++]);
      scheme_str = std::string(dbrow[index++]);
      if (scheme_str == "Deep") {
        scheme = DEEP;
      } else if (scheme_str == "Medium") {
        scheme = MEDIUM;
      } else {
        scheme = SHALLOW;
      }
      Debug(1, "Loaded Storage area %d '%s'", id, name);
    }
  }
  if (!id) {
    if (staticConfig.DIR_EVENTS.empty() || staticConfig.DIR_EVENTS[0] != '/') {
      // not using an absolute path. Make it one by appending ZM_PATH_WEB
      snprintf(path, sizeof(path), "%s/%s",
               staticConfig.PATH_WEB.c_str(), staticConfig.DIR_EVENTS.c_str());
    } else {
      strncpy(path, staticConfig.DIR_EVENTS.c_str(), sizeof(path) - 1);
    }
    Debug(1, "No id passed to Storage constructor.  Using default path %s instead", path);
    strncpy(name, "Default", sizeof(name) - 1);
    scheme = MEDIUM;
    scheme_str = "Medium";
  }
}

Storage::~Storage() {
}