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/*
* vim:ts=4:sw=4:expandtab
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include "queue.h"
FILE *pipe_stat;
char *message;
void monitor() {
int buffer;
/* ungenutzte Pipeköpfe schließen */
close(queue[D_CONV_TO_LOG][READ]);
close(queue[D_CONV_TO_LOG][WRITE]);
close(queue[D_CONV_TO_STAT][READ]);
close(queue[D_CONV_TO_STAT][WRITE]);
close(queue[D_STAT_TO_MON][WRITE]);
printf("monitor started\n");
/* Die Pipe zum lesen öffnen */
if ((pipe_stat = fdopen(queue[D_STAT_TO_MON][READ], "r")) == NULL) {
perror("monitor.c fdopen()");
exit(EXIT_FAILURE);
}
/* Speicher für Nachricht reservieren */
if ((message = calloc(1, sizeof(char)*SIZE_HEX+1)) == NULL) {
perror("monitor.c calloc()");
exit(EXIT_FAILURE);
}
/*
* Nachricht aus der Pipe lesen, zurück ins Dezimalsystem
* konvertieren und auf der stdout ausgeben.
*/
while (fgets(message, SIZE_HEX+1, pipe_stat)) {
sscanf(message, "%x\n", &buffer);
printf("%d\n", buffer);
}
}
void monitor_cleanup() {
printf("monitor cleanup\n");
fclose(pipe_stat);
free(message);
close(queue[D_STAT_TO_MON][READ]);
_exit(EXIT_SUCCESS);
}
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