92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
|
/* **************************************************************************
|
||
|
|
|
||
|
|
Author: Stefan Reutter
|
||
|
|
Created: August 2013
|
||
|
|
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#include <cstring>
|
||
|
|
|
||
|
|
#include "backend_config_reader.h"
|
||
|
|
namespace DAMARIS
|
||
|
|
{
|
||
|
|
BackendConfigReader::BackendConfigReader(const gchar *configPath):
|
||
|
|
_damarisConfigPath(configPath),
|
||
|
|
_keyFile (NULL)
|
||
|
|
{
|
||
|
|
|
||
|
|
loadConfig();
|
||
|
|
// if loadConfig succeeded, we should have a valid config file
|
||
|
|
}
|
||
|
|
|
||
|
|
void BackendConfigReader::loadConfig()
|
||
|
|
{
|
||
|
|
bool fileFound = false;
|
||
|
|
// check if user config file exists
|
||
|
|
const gchar* usr_config_dir = g_get_user_config_dir();
|
||
|
|
int configPathLength = strlen(usr_config_dir) + strlen(_damarisConfigPath);
|
||
|
|
gchar *cfgFileName = new gchar[configPathLength > 1024 ? configPathLength: 1024];
|
||
|
|
|
||
|
|
strcpy(cfgFileName, usr_config_dir);
|
||
|
|
strcat(cfgFileName, _damarisConfigPath);
|
||
|
|
|
||
|
|
_keyFile=g_key_file_new ();
|
||
|
|
GError *error=NULL;
|
||
|
|
if (!loadConfigFile(cfgFileName, G_KEY_FILE_NONE, error)) {
|
||
|
|
// if the user config doesn't exist, attempt to read from a system config
|
||
|
|
const gchar *const *sys_config_dirs = g_get_system_config_dirs();
|
||
|
|
unsigned int i = 0;
|
||
|
|
while (true)
|
||
|
|
{
|
||
|
|
if (sys_config_dirs[i]==NULL) { break;} // no more paths to check
|
||
|
|
|
||
|
|
// avoid buffer overrun
|
||
|
|
configPathLength = strlen(sys_config_dirs[i]) + strlen(_damarisConfigPath);
|
||
|
|
if (configPathLength > 1024)
|
||
|
|
{
|
||
|
|
gchar *temp = cfgFileName;
|
||
|
|
cfgFileName = new gchar[configPathLength];
|
||
|
|
delete[] temp;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
strcpy(cfgFileName, sys_config_dirs[i]);
|
||
|
|
strcat(cfgFileName, _damarisConfigPath);
|
||
|
|
|
||
|
|
if (loadConfigFile(cfgFileName, G_KEY_FILE_NONE, error))
|
||
|
|
{
|
||
|
|
// found a config file, breaking
|
||
|
|
fileFound = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
{
|
||
|
|
fileFound = true;
|
||
|
|
}
|
||
|
|
delete[] cfgFileName;
|
||
|
|
|
||
|
|
if (!fileFound)
|
||
|
|
{
|
||
|
|
throw(BackendConfigException("No config file found\n"));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool BackendConfigReader::loadConfigFile(const gchar *keyFileName, GKeyFileFlags flags, GError *error)
|
||
|
|
{
|
||
|
|
if (!g_key_file_load_from_file (_keyFile, keyFileName, flags, &error)) {
|
||
|
|
if (error->code == G_FILE_ERROR_NOENT) // file not found
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
} else
|
||
|
|
{
|
||
|
|
g_log(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, "%s", error->message);
|
||
|
|
}
|
||
|
|
error = NULL;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
}// namespace DAMARIS
|