/*  $Id: log.c,v 1.3 2004/03/25 00:05:02 jmuelmen Exp $ */

#include <stdio.h>
#include <pthread.h>

#include "libsurf.h"
#include "log.h"
#include "log_int.h"

static pthread_mutex_t _mut;
static const char *file_names[] = { "volta.log", "voltd.log", 
				    "curra.log", "currd.log",
				    "temp.log" };

int log_lock ()
{
     int ret = pthread_mutex_lock(&_mut);
     if (ret)
	  perror("Locking logging mutex");
     return ret;
}
     
int log_unlock ()
{
     int ret = pthread_mutex_unlock(&_mut);
     if (ret)
	  perror("Unlocking logging mutex");
     return ret;
}

int log_init ()
{
     /* initialize the mutex */
     if (pthread_mutex_init(&_mut, NULL))
	  perror("Initializing log mutex");
     return 0;
}

int log_sync ()
{
     int i = 0;
     int ret;
     char mod[STRLEN];

     /* open all the log files */

     log_lock();

     while (!surf_mod_tbl_get_mod(mod, i++)) { /* modules left in the table */
	  int j = 0;
/*  	  printf("sizeof(file_names) == %d", sizeof(file_names)); */
	  while (j < sizeof(file_names) / sizeof(char *)) { 
	       /* files left to be had */
/*  	       printf("logfile_open_file(%s, %s);\n", */
/*  		      mod, file_names[j]); */
       	       if (ret = logfile_open_file(mod, file_names[j])) {
		    log_unlock();
		    return ret;
	       }
	       ++j;
	  }
     }

     log_unlock();
     /* remember to acquire the lock before you write! */

     return 0;
}