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/*
* Oreka -- A media capture and retrieval platform
*
* Copyright (C) 2005, orecx LLC
*
* http://www.orecx.com
*
* This program is free software, distributed under the terms of
* the GNU General Public License.
* Please refer to http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma warning( disable: 4786 ) // disables truncated symbols in browse-info warning
#define _WINSOCKAPI_ // prevents the inclusion of winsock.h
#include "ace/OS_NS_dirent.h"
#include "Utils.h"
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOMWriter.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/dom/DOMImplementationRegistry.hpp>
#include "serializers/DomSerializer.h"
#include "ConfigManager.h"
#define CONFIG_FILE_NAME "config.xml"
#define ETC_CONFIG_FILE_NAME "/etc/orkaudio/config.xml"
#ifdef WIN32
# define snprintf _snprintf
#endif
ConfigManager* ConfigManager::m_singleton = NULL;
ConfigManager* ConfigManager::Instance()
{
if(m_singleton == NULL)
{
m_singleton = new ConfigManager();
}
return m_singleton;
}
void ConfigManager::Initialize()
{
bool failed = false;
m_configTopNode = NULL;
try
{
char* cfgFilename = "";
char* cfgEnvPath = "";
int cfgAlloc = 0;
cfgEnvPath = ACE_OS::getenv("ORKAUDIO_CONFIG_PATH");
if(cfgEnvPath) {
ACE_DIR* dir = ACE_OS::opendir(cfgEnvPath);
if(dir) {
int len = 0;
ACE_OS::closedir(dir);
len = strlen(cfgEnvPath)+1+strlen(CONFIG_FILE_NAME)+1;
cfgFilename = (char*)malloc(len);
if(cfgFilename) {
cfgAlloc = 1;
snprintf(cfgFilename, len, "%s/%s", cfgEnvPath, CONFIG_FILE_NAME);
}
}
}
if(!cfgFilename || !strlen(cfgFilename)) {
FILE* file = ACE_OS::fopen(CONFIG_FILE_NAME, "r");
if(file)
{
// config.xml exists in the current directory
cfgFilename = CONFIG_FILE_NAME;
fclose(file);
}
else
{
// config.xml could not be found in the current
// directory, try to find it in system configuration directory
cfgFilename = ETC_CONFIG_FILE_NAME;
}
}
XMLPlatformUtils::Initialize();
// By default, the DOM document generated by the parser will be free() by the parser.
// If we ever need to free the parser and the document separately, we need to do this:
// DOMNode *doc = parser->getDocument();
// ...
// parser->adoptDocument();
// doc->release();
// ...
// delete parser;
XercesDOMParser *m_parser = new XercesDOMParser;
m_parser->parse(cfgFilename);
DOMNode *doc = NULL;
doc = m_parser->getDocument();
// XXX is it okay to free here?
if(cfgAlloc) {
free(cfgFilename);
}
if (doc)
{
DOMNode *firstChild = doc->getFirstChild();
if (firstChild)
{
m_configTopNode = firstChild;
m_config.DeSerializeDom(firstChild);
/*
// Write out config to a file
DOMImplementation* impl = DOMImplementationRegistry::getDOMImplementation(XStr("Core").unicodeForm());
XERCES_CPP_NAMESPACE::DOMDocument* myDoc;
myDoc = impl->createDocument(
0, // root element namespace URI.
XStr("root").unicodeForm(), // root element name
0); // document type object (DTD).
m_config.SerializeDom(myDoc);
CStdString toto = DomSerializer::DomNodeToString(myDoc);
FILE* file = fopen("zzz.xml", "w");
fwrite((PCSTR)toto,1,toto.GetLength(),file);
fclose(file);
*/
}
else
{
LOG4CXX_ERROR(LOG.configLog, CStdString("Could not parse config file:") + CONFIG_FILE_NAME);
failed = true;
}
}
else
{
LOG4CXX_WARN(LOG.configLog, CStdString("Could not find config file:") + CONFIG_FILE_NAME);
}
}
catch (const CStdString& e)
{
LOG4CXX_ERROR(LOG.configLog, e);
failed = true;
}
catch(const XMLException& e)
{
LOG4CXX_ERROR(LOG.configLog, e.getMessage());
failed = true;
}
if (failed)
{
exit(0);
}
}
void ConfigManager::AddConfigureFunction(ConfigureFunction configureFunction)
{
m_configureFunctions.push_back(configureFunction);
// Cal the external configure callback straight away
configureFunction(m_configTopNode);
}
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