FreeCalypso > hg > e1-fake-trau

annotate ft16/main.c @ 2:5c18cd38c8ad

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ft16: import from ice1-trau-tester/abis
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Aug 2024 13:07:16 +0000
parents
children adcdbb2e30fe
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2
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This C module is the main for itt-abis-16, a test program for collecting
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * TRAU-UL captures from an E1 BTS. This program operates on a single E1
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * timeslot on Abis and treats it as consisting of four 16 kbit/s subslots.
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 *
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * This code is based on osmo-e1d-pipe,
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * (C) 2020-2022 by Harald Welte <laforge@osmocom.org>,
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * SPDX-License-Identifier: GPL-2.0+
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 */
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdint.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdbool.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdio.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <stdlib.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <string.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <unistd.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 #include <osmocom/core/talloc.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #include <osmocom/core/select.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #include <osmocom/core/application.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #include <osmocom/e1d/proto_clnt.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 #include <osmocom/isdn/i460_mux.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 #include <osmocom/trau/trau_sync.h>
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 #include "../libutil/open_ts.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 #include "../libutil/stdin_handler.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 #include "globals.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
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28 #include "submux.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 #include "dl_frames.h"
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 void *g_ctx;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 struct osmo_e1dp_client *g_client;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 int ts_fd;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 struct osmo_i460_timeslot i460_ts;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 struct abis_subslot subslots[ABIS_SUBSLOTS];
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 static const char *e1d_socket_path = E1DP_DEFAULT_SOCKET;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 static const char *timeslot_spec;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 static struct osmo_fd ts_ofd, stdin_ofd;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 static void process_cmdline(int argc, char **argv)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 extern int optind;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
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44 extern char *optarg;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
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45 int c;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 while ((c = getopt(argc, argv, "p:")) != EOF) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 switch (c) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 case 'p':
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 e1d_socket_path = optarg;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 continue;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 default:
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 usage:
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 fprintf(stderr, "usage: %s [-p socket] intf:line:ts\n",
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 argv[0]);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 exit(1);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 if (argc != optind + 1)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 goto usage;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 timeslot_spec = argv[optind];
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 static void register_subslots(void)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 int nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 struct osmo_i460_schan_desc chd;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 memset(&chd, 0, sizeof chd);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 chd.rate = OSMO_I460_RATE_16k;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 chd.demux.num_bits = 320;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 chd.demux.out_cb_bits = i460_rx_func;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 for (nr = 0; nr < ABIS_SUBSLOTS; nr++) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 subslots[nr].nr = nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 chd.demux.user_data = subslots + nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 chd.mux.user_data = subslots + nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 subslots[nr].schan =
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 osmo_i460_subchan_add(g_ctx, &i460_ts, &chd);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 OSMO_ASSERT(subslots[nr].schan);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 chd.bit_offset += 2;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 static void setup_rx_sync(void)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 int nr;
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 for (nr = 0; nr < ABIS_SUBSLOTS; nr++) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 subslots[nr].sync = osmo_trau_sync_alloc(g_ctx, "TRAU-UL-sync",
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 sync_rx_func, OSMO_TRAU_SYNCP_16_FR_EFR,
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 subslots + nr);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 OSMO_ASSERT(subslots[nr].sync);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 int main(int argc, char **argv)
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 process_cmdline(argc, argv);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 g_ctx = talloc_named_const(NULL, 0, "g_ctx");
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 OSMO_ASSERT(g_ctx);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 osmo_init_logging2(g_ctx, NULL);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 g_client = osmo_e1dp_client_create(g_ctx, e1d_socket_path);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 if (!g_client) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 fprintf(stderr, "error: cannot connect to osmo-e1d at %s\n",
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 e1d_socket_path);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 exit(1);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 ts_fd = open_e1d_ts(g_client, timeslot_spec);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 osmo_i460_ts_init(&i460_ts);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 register_subslots();
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 setup_rx_sync();
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 init_canned_dl_frames();
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 osmo_fd_setup(&ts_ofd, ts_fd, OSMO_FD_READ, ts_fd_cb, NULL, 0);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 OSMO_ASSERT(osmo_fd_register(&ts_ofd) == 0);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 osmo_fd_setup(&stdin_ofd, 0, OSMO_FD_READ, stdin_select_cb,
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 handle_user_cmd, 0);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 OSMO_ASSERT(osmo_fd_register(&stdin_ofd) == 0);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 while (1) {
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 osmo_select_main(0);
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 }
5c18cd38c8ad ft16: import from ice1-trau-tester/abis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 }