Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 1 | #include <stdio.h> |
Harald Welte | 74d1e34 | 2016-10-19 00:06:22 +0200 | [diff] [blame] | 2 | #include <time.h> |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 3 | #include <unistd.h> |
Harald Welte | 74d1e34 | 2016-10-19 00:06:22 +0200 | [diff] [blame] | 4 | |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 5 | #include <sys/time.h> |
| 6 | |
| 7 | #include <osmocom/core/signal.h> |
| 8 | #include <osmocom/core/logging.h> |
| 9 | #include <osmocom/core/application.h> |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 10 | #include <osmocom/abis/subchan_demux.h> |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 11 | |
| 12 | #include "storage.h" |
| 13 | #include "recorder.h" |
| 14 | |
| 15 | struct e1_recorder g_recorder; |
| 16 | |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 17 | enum mode { |
| 18 | MODE_PRINT, |
| 19 | MODE_BIN, |
| 20 | }; |
| 21 | |
| 22 | static enum mode g_mode = MODE_PRINT; |
| 23 | static int g_filter_line = -1; |
| 24 | static int g_filter_slot = -1; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 25 | static int g_filter_subslot = -1; |
| 26 | static struct osmo_e1cap_pkthdr *g_last_pkthdr; |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 27 | |
Harald Welte | 74d1e34 | 2016-10-19 00:06:22 +0200 | [diff] [blame] | 28 | static char *timeval2str(struct timeval *tv) |
| 29 | { |
| 30 | time_t nowtime; |
| 31 | struct tm *nowtm; |
| 32 | char tmbuf[64]; |
| 33 | static char buf[64]; |
| 34 | |
| 35 | nowtime = tv->tv_sec; |
| 36 | nowtm = localtime(&nowtime); |
| 37 | strftime(tmbuf, sizeof tmbuf, "%Y-%m-%d %H:%M:%S", nowtm); |
| 38 | snprintf(buf, sizeof buf, "%s.%06ld", tmbuf, tv->tv_usec); |
| 39 | return buf; |
| 40 | } |
| 41 | |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 42 | static void handle_data(struct osmo_e1cap_pkthdr *pkt, const uint8_t *data, int len) |
| 43 | { |
| 44 | switch (g_mode) { |
| 45 | case MODE_PRINT: |
| 46 | printf("%s %02u/%02u %u (%u): %s\n", |
| 47 | timeval2str(&pkt->ts), |
| 48 | pkt->line_nr, pkt->ts_nr, pkt->capture_mode, |
| 49 | pkt->len, |
| 50 | osmo_hexdump_nospc(data, len)); |
| 51 | break; |
| 52 | case MODE_BIN: |
| 53 | write(1, data, len); |
| 54 | break; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | static int subch_demux_out_cb(struct subch_demux *dmx, int ch, uint8_t *data, |
| 59 | int len, void *c) |
| 60 | { |
| 61 | OSMO_ASSERT(ch == g_filter_subslot); |
| 62 | handle_data(g_last_pkthdr, data, len); |
| 63 | |
| 64 | return 0; |
| 65 | } |
| 66 | |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 67 | static int handle_options(int argc, char **argv) |
| 68 | { |
| 69 | int opt; |
| 70 | |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 71 | while ((opt = getopt(argc, argv, "l:s:bu:")) != -1) { |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 72 | switch (opt) { |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 73 | case 'l': /* Filter on E1 Line Number */ |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 74 | g_filter_line = atoi(optarg); |
| 75 | break; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 76 | case 's': /* Filter on E1 Slot Number */ |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 77 | g_filter_slot = atoi(optarg); |
| 78 | break; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 79 | case 'b': /* Raw binary output mode (for piping) */ |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 80 | g_mode = MODE_BIN; |
| 81 | break; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 82 | case 'u': /* 16k Sub-channel demux + filter */ |
| 83 | g_filter_subslot = atoi(optarg); |
| 84 | if (g_filter_subslot < 0 || g_filter_subslot > 3) |
| 85 | exit(2); |
| 86 | break; |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 87 | default: |
| 88 | fprintf(stderr, "Unknown option '%c'\n", opt); |
| 89 | exit(EXIT_FAILURE); |
| 90 | break; |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | return 0; |
| 95 | } |
| 96 | |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 97 | int main(int argc, char **argv) |
| 98 | { |
| 99 | struct osmo_e1cap_file *f; |
| 100 | struct osmo_e1cap_pkthdr *pkt; |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 101 | unsigned long num_pkt = 0; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 102 | struct subch_demux smux; |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 103 | |
| 104 | printf("sizeof(timeval) = %zu\n", sizeof(struct timeval)); |
| 105 | printf("sizeof(osmo_e1cap_pkthdr) = %zu\n", sizeof(*pkt)); |
| 106 | |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 107 | handle_options(argc, argv); |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 108 | |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 109 | if (optind >= argc) { |
| 110 | fprintf(stderr, "Missing input file name\n"); |
| 111 | exit(2); |
| 112 | } |
| 113 | |
| 114 | f = osmo_e1cap_open(NULL, argv[optind++]); |
| 115 | if (!f) { |
| 116 | fprintf(stderr, "Unable to open input file\n"); |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 117 | exit(1); |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 118 | } |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 119 | |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 120 | if (g_filter_subslot >= 0) { |
| 121 | smux.out_cb = subch_demux_out_cb; |
| 122 | subch_demux_init(&smux); |
| 123 | subch_demux_activate(&smux, g_filter_subslot); |
| 124 | } |
| 125 | |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 126 | while ((pkt = osmo_e1cap_read_next(f))) { |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 127 | num_pkt++; |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 128 | g_last_pkthdr = pkt; |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 129 | |
| 130 | if (g_filter_line >= 0 && pkt->line_nr != g_filter_line) |
| 131 | continue; |
| 132 | if (g_filter_slot >= 0 && pkt->ts_nr != g_filter_slot) |
| 133 | continue; |
| 134 | |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 135 | if (g_filter_subslot >= 0) { |
| 136 | subch_demux_in(&smux, pkt->data, pkt->len); |
| 137 | continue; |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 138 | } |
Harald Welte | 525af18 | 2016-10-19 00:38:46 +0200 | [diff] [blame^] | 139 | |
| 140 | handle_data(pkt, pkt->data, pkt->len); |
| 141 | |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 142 | talloc_free(pkt); |
| 143 | } |
Harald Welte | f403232 | 2016-10-19 00:23:10 +0200 | [diff] [blame] | 144 | |
| 145 | fprintf(stderr, "Processed a total of %lu packets\n", num_pkt); |
Harald Welte | dbb0f5a | 2016-10-18 23:51:54 +0200 | [diff] [blame] | 146 | } |