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#include <zmq.h>
#include <assert.h>
#include <libgen.h>
#include <unistd.h>
#include <sys/stat.h>
#include <signal.h>
#include "utils.h"
#ifndef LOGGER_DELAY
#define LOGGER_DELAY 0
#endif
// Global:
char *__client;
char __logdir[STATIC_LEN];
char __regpower[STATIC_LEN];
int __loginterval;
unsigned char __stop=0;
void sighandler(int signo){
if (signo == SIGINT){
printf("Stopping...\n");
__stop=1;
}
}
int main (int argc, char *argv [])
{
if(argc != 4){
printf("Usage: %s <abslogdir> <client> <loginterval>",argv[0]);
exit(1);
}
//----- Init global variables
__client=argv[2];
__loginterval=atoi(argv[3]);
// __logdir:
strcat(__logdir,argv[1]);
strcat(__logdir,"/");
strcat(__logdir,__client);
// __regpower:
strcat(__regpower,INA260_SYSFS);
strcat(__regpower,"/");
strcat(__regpower,__client);
strcat(__regpower,"/");
strcat(__regpower,INA260_POWER_REGISTER);
//----- Sanity checks
signal(SIGINT,sighandler);
mkdirp(__logdir);
if(__loginterval<MIN_INTERVAL){
printf("Log interval is too small (min=%ds)\n",MIN_INTERVAL);
exit(2);
}
if(FILE_EXISTS(__regpower)){ // TODO UPDATE!!
printf("Logger cannot access to %s\n",__regpower);
exit(3);
}
//----- Start logging
printf("Logger started [client=%s,interval=%ds]\n",__client,__loginterval);
FILE *regptr,*logptr;
char logfilepath[STATIC_LEN]="";
regptr=fopen("/home/loic/out.txt","r"); // TODO UPDATE!!!
char buffer[STATIC_LEN];
int power;
time_t interval;
struct timespec power_ts;
while(!__stop){
interval=INTERVAL(__loginterval);
*logfilepath='\0'; // Clear previous path
sprintf(logfilepath,"%s/%ld",__logdir,interval);
logptr=fopen(logfilepath,"w");
// Write file header:
fprintf(logptr,"timestamp,ns,power\n");
// Log current interval
while((TIMESTAMP()-interval)<__loginterval){
// Read power:
fgets(buffer,STATIC_LEN,regptr);
power=atoi(buffer);
// Get power measurement timestamp:
clock_gettime(CLOCK_REALTIME,&power_ts);
// Write measurement in file:
fprintf(logptr,"%d,%ld,%d\n",power_ts.tv_sec,power_ts.tv_nsec,power);
// Reset power register file:
fseek(regptr,0,SEEK_SET);
#if LOGGER_DELAY > 0
usleep(LOGGER_DELAY*1000);
#endif
printf("Tick\n"); fflush(stdout);
}
fclose(logptr);
}
fclose(regptr);
return 0;
}
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