diff options
| -rw-r--r-- | src/e1cap_dump.c | 74 |
1 files changed, 66 insertions, 8 deletions
diff --git a/src/e1cap_dump.c b/src/e1cap_dump.c index 03b86f7..b732449 100644 --- a/src/e1cap_dump.c +++ b/src/e1cap_dump.c @@ -1,5 +1,6 @@ #include <stdio.h> #include <time.h> +#include <unistd.h> #include <sys/time.h> @@ -12,6 +13,15 @@ struct e1_recorder g_recorder; +enum mode { + MODE_PRINT, + MODE_BIN, +}; + +static enum mode g_mode = MODE_PRINT; +static int g_filter_line = -1; +static int g_filter_slot = -1; + static char *timeval2str(struct timeval *tv) { time_t nowtime; @@ -26,27 +36,75 @@ static char *timeval2str(struct timeval *tv) return buf; } +static int handle_options(int argc, char **argv) +{ + int opt; + + while ((opt = getopt(argc, argv, "l:s:b")) != -1) { + switch (opt) { + case 'l': + g_filter_line = atoi(optarg); + break; + case 's': + g_filter_slot = atoi(optarg); + break; + case 'b': + g_mode = MODE_BIN; + break; + default: + fprintf(stderr, "Unknown option '%c'\n", opt); + exit(EXIT_FAILURE); + break; + } + } + + return 0; +} + int main(int argc, char **argv) { struct osmo_e1cap_file *f; struct osmo_e1cap_pkthdr *pkt; + unsigned long num_pkt = 0; printf("sizeof(timeval) = %zu\n", sizeof(struct timeval)); printf("sizeof(osmo_e1cap_pkthdr) = %zu\n", sizeof(*pkt)); - if (argc < 2) + handle_options(argc, argv); + + if (optind >= argc) { + fprintf(stderr, "Missing input file name\n"); exit(2); + } - f = osmo_e1cap_open(NULL, argv[1]); - if (!f) + f = osmo_e1cap_open(NULL, argv[optind++]); + if (!f) { + fprintf(stderr, "Unable to open input file\n"); exit(1); + } while ((pkt = osmo_e1cap_read_next(f))) { - printf("%s %02u/%02u %u (%u): %s\n", - timeval2str(&pkt->ts), - pkt->line_nr, pkt->ts_nr, pkt->capture_mode, - pkt->len, - osmo_hexdump_nospc(pkt->data, pkt->len)); + num_pkt++; + + if (g_filter_line >= 0 && pkt->line_nr != g_filter_line) + continue; + if (g_filter_slot >= 0 && pkt->ts_nr != g_filter_slot) + continue; + + switch (g_mode) { + case MODE_PRINT: + printf("%s %02u/%02u %u (%u): %s\n", + timeval2str(&pkt->ts), + pkt->line_nr, pkt->ts_nr, pkt->capture_mode, + pkt->len, + osmo_hexdump_nospc(pkt->data, pkt->len)); + break; + case MODE_BIN: + write(1, pkt->data, pkt->len); + break; + } talloc_free(pkt); } + + fprintf(stderr, "Processed a total of %lu packets\n", num_pkt); } |