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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <errno.h>
#include <sys/time.h>
#include "grab-ng.h"
#include "commands.h"
#include "frequencies.h"
/* --------------------------------------------------------------------- */
int chantab = -1;
struct CHANLISTS *chanlists;
struct STRTAB *chanlist_names;
/* --------------------------------------------------------------------- */
void freq_init(void)
{
char line[256],value[256];
FILE *fp;
int nr,i,j;
if (NULL == (fp = fopen(DATADIR "/Index.map","r"))) {
perror("open " DATADIR "/Index.map");
exit(1);
}
if (debug)
fprintf(stderr,"freq: reading " DATADIR "/Index.map\n");
nr = 0;
i = 0;
while (NULL != fgets(line,255,fp)) {
nr++;
if (line[0] == '\n' || line[0] == '#' || line[0] == '%')
continue;
if (1 == sscanf(line,"[%255[^]]]",value)) {
/* [section] */
chanlists = realloc(chanlists, (i+2) * sizeof(struct CHANLISTS));
memset(chanlists+i, 0, 2*sizeof(struct CHANLISTS));
chanlists[i].name = strdup(value);
i++;
continue;
}
if (NULL == chanlists) {
fprintf(stderr,"%s:%d: error: no section\n",
DATADIR "/Index.map",nr);
continue;
}
if (1 == sscanf(line," file = %255[^\n]",value)) {
/* file = <filename> */
chanlists[i-1].filename = strdup(value);
continue;
}
/* Huh ? */
fprintf(stderr,"%s:%d: syntax error\n",
DATADIR "/Index.map",nr);
}
fclose(fp);
chanlist_names = malloc((i+1) * sizeof(struct STRTAB));
for (j = 0; j < i; j++) {
chanlist_names[j].nr = j;
chanlist_names[j].str = chanlists[j].name;
}
chanlist_names[j].nr = -1;
chanlist_names[j].str = NULL;
}
/* --------------------------------------------------------------------- */
static int freq_readlist(struct CHANLIST **list, int n, char *name)
{
char line[256],value[256];
char filename[256];
FILE *fp;
int nr;
sprintf(filename,"%s/%s",DATADIR,name);
if (NULL == (fp = fopen(filename,"r"))) {
fprintf(stderr,"open %s: %s\n",filename,strerror(errno));
exit(1);
}
if (debug)
fprintf(stderr,"freq: reading %s\n",filename);
nr = 0;
while (NULL != fgets(line,255,fp)) {
nr++;
if (1 == sscanf(line,"# include \"%[^\"]\"",value)) {
/* includes */
n = freq_readlist(list,n,value);
continue;
}
if (line[0] == '\n' || line[0] == '#' || line[0] == '%') {
/* ignore */
continue;
}
if (1 == sscanf(line,"[%255[^]]]",value)) {
/* [section] */
if (0 == (n % 16)) {
*list = realloc(*list, (n+16) * sizeof(struct CHANLIST));
memset((*list)+n, 0, 16*sizeof(struct CHANLIST));
}
(*list)[n].name = strdup(value);
n++;
continue;
}
if (0 == n) {
fprintf(stderr,"%s:%d: error: no section\n",filename,nr);
continue;
}
if (1 == sscanf(line," freq = %255[^\n]", value)) {
/* freq = */
(*list)[n-1].freq = atoi(value);
continue;
}
/* Huh ? */
fprintf(stderr,"%s:%d: syntax error\n", filename, nr);
}
fclose(fp);
return n;
}
void freq_newtab(int n)
{
if (debug)
fprintf(stderr,"freq: newtab %d\n",n);
if (NULL == chanlists[n].list)
chanlists[n].count =
freq_readlist(&chanlists[n].list,0,chanlists[n].filename);
chantab = n;
}
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