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/*
* configuration.h
*
* See the README file for copyright information and how to reach the author.
*
*/
#ifndef __CONFIGURATION_H
#define __CONFIGURATION_H
#include "thread.h"
#include "common.h"
extern const char* confDir;
//***************************************************************************
// Configuration
//***************************************************************************
class Configuration
{
public:
Configuration() {};
virtual ~Configuration() {};
virtual int atConfigItem(const char* Name, const char* Value) = 0;
virtual int readConfig(const char* file = 0)
{
int count = 0;
FILE* f;
char* line = 0;
size_t size = 0;
char* value;
char* name;
char* fileName;
if (!isEmpty(file))
asprintf(&fileName, "%s", file);
else
asprintf(&fileName, "%s/epgd.conf", confDir);
if (access(fileName, F_OK) != 0)
{
fprintf(stderr, "Cannot access configuration file '%s'\n", fileName);
free(fileName);
return fail;
}
f = fopen(fileName, "r");
while (getline(&line, &size, f) > 0)
{
char* p = strchr(line, '#');
if (p) *p = 0;
allTrim(line);
if (isEmpty(line))
continue;
if (!(value = strchr(line, '=')))
continue;
*value = 0;
value++;
lTrim(value);
name = line;
allTrim(name);
if (atConfigItem(name, value) != success)
{
fprintf(stderr, "Found unexpected parameter '%s', aborting\n", name);
free(fileName);
return fail;
}
count++;
}
free(line);
fclose(f);
tell(0, "Read %d option from %s", count , fileName);
free(fileName);
return success;
}
};
//***************************************************************************
// System Notification Interface (systemd, watchdog, pidfile, ...)
//***************************************************************************
class cSystemNotification : public cThread
{
public:
enum SystemEvent
{
evReady,
evStatus,
evKeepalive,
evStopping
};
enum Misc
{
defaultInterval = 60
};
cSystemNotification();
int __attribute__ ((format(printf, 3, 4))) notify(int event, const char* format = 0, ...);
int getWatchdogState(int minInterval);
void check(int force = no);
int startNotifyThread(int timeout);
int stopNotifyThread();
static void setPidFile(const char* file) { pidfile = file; }
protected:
virtual void action();
int interval;
int threadTimeout;
cCondVar waitCondition;
int stop;
static time_t lastWatchdogAt;
static const char* pidfile;
};
//***************************************************************************
#endif // __CONFIGURATION_H
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