static int add_prefixes_from_file(bgpstream_ip_counter_t *poi,
char *pfx_file_string)
{
char pfx_line[MAX_LOG_BUFFER_LEN];
io_t *file = NULL;
bgpstream_pfx_storage_t pfx_st;
if (pfx_file_string == NULL) {
return -1;
}
if ((file = wandio_create(pfx_file_string)) == NULL) {
fprintf(stderr, "ERROR: Could not open prefix file (%s)\n",
pfx_file_string);
return -1;
}
while (wandio_fgets(file, &pfx_line, MAX_LOG_BUFFER_LEN, 1) > 0) {
/* treat # as comment line, and ignore empty lines */
if (pfx_line[0] == '#' || pfx_line[0] == '\0') {
continue;
}
if (bgpstream_str2pfx(pfx_line, &pfx_st) == NULL ||
bgpstream_ip_counter_add(poi, (bgpstream_pfx_t *)&pfx_st) != 0) {
/* failed to parse/insert the prefix */
return -1;
}
}
wandio_destroy(file);
return 0;
}
off_t corsaro_file_rgets(corsaro_file_in_t *file, void *buffer, off_t len)
{
/* refuse to read from a libtrace file */
assert(file != NULL);
assert(file->mode == CORSARO_FILE_MODE_ASCII ||
file->mode == CORSARO_FILE_MODE_BINARY ||
file->mode == CORSARO_FILE_MODE_UNKNOWN);
assert(file->wand_io != NULL);
/* just hand off to the helper func in wandio_utils (no chomp) */
return wandio_fgets(file->wand_io, buffer, len, 0);
}