FreeCalypso > hg > ice1-trau-tester

annotate abis/main.c @ 31:cd7448724d74

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
top Makefile: add abis program subdir
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 13 Aug 2024 21:44:30 +0000
parents 5dd30224b70a
children 94f11dc0d474
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
30
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
2 * This C module is the main for itt-abis-16, a test program for collecting
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
3 * TRAU-UL captures from an E1 BTS. This program operates on a single E1
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
4 * timeslot on Abis and treats it as consisting of four 16 kbit/s subslots.
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 *
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * This code is based on osmo-e1d-pipe,
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * (C) 2020-2022 by Harald Welte <laforge@osmocom.org>,
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * SPDX-License-Identifier: GPL-2.0+
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 */
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdint.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdbool.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdio.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <stdlib.h>
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
15 #include <string.h>
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include <unistd.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 #include <osmocom/core/talloc.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #include <osmocom/core/select.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 #include <osmocom/core/application.h>
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 #include <osmocom/e1d/proto_clnt.h>
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
22 #include <osmocom/isdn/i460_mux.h>
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 #include "../libutil/open_ts.h"
5
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
25 #include "../libutil/stdin_handler.h"
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 #include "globals.h"
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
27 #include "submux.h"
30
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
28 #include "dl_frames.h"
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29
19
1e375472d5a5 ater: implement TRAU frame output
Mychaela Falconia <falcon@freecalypso.org>
parents: 16
diff changeset
30 void *g_ctx;
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 struct osmo_e1dp_client *g_client;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 int ts_fd;
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
33 struct osmo_i460_timeslot i460_ts;
30
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
34 struct abis_subslot subslots[ABIS_SUBSLOTS];
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 static const char *e1d_socket_path = E1DP_DEFAULT_SOCKET;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 static const char *timeslot_spec;
5
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
38 static struct osmo_fd ts_ofd, stdin_ofd;
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 static void process_cmdline(int argc, char **argv)
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 extern int optind;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 extern char *optarg;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 int c;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 while ((c = getopt(argc, argv, "p:")) != EOF) {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 switch (c) {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 case 'p':
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 e1d_socket_path = optarg;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 continue;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 default:
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 usage:
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 fprintf(stderr, "usage: %s [-p socket] intf:line:ts\n",
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 argv[0]);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 exit(1);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 }
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 }
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 if (argc != optind + 1)
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 goto usage;
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 timeslot_spec = argv[optind];
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 }
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
63 static void register_subslots(void)
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
64 {
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
65 int nr;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
66 struct osmo_i460_schan_desc chd;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
67
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
68 memset(&chd, 0, sizeof chd);
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
69 chd.rate = OSMO_I460_RATE_16k;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
70 chd.demux.num_bits = 320;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
71 chd.demux.out_cb_bits = i460_rx_func;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
72
30
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
73 for (nr = 0; nr < ABIS_SUBSLOTS; nr++) {
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
74 subslots[nr].nr = nr;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
75 chd.demux.user_data = subslots + nr;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
76 chd.mux.user_data = subslots + nr;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
77 subslots[nr].schan =
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
78 osmo_i460_subchan_add(g_ctx, &i460_ts, &chd);
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
79 OSMO_ASSERT(subslots[nr].schan);
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
80 chd.bit_offset += 2;
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
81 }
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
82 }
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
83
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 int main(int argc, char **argv)
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 process_cmdline(argc, argv);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 g_ctx = talloc_named_const(NULL, 0, "g_ctx");
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 OSMO_ASSERT(g_ctx);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 osmo_init_logging2(g_ctx, NULL);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 g_client = osmo_e1dp_client_create(g_ctx, e1d_socket_path);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 if (!g_client) {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 fprintf(stderr, "error: cannot connect to osmo-e1d at %s\n",
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 e1d_socket_path);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 exit(1);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 }
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 ts_fd = open_e1d_ts(g_client, timeslot_spec);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
99 osmo_i460_ts_init(&i460_ts);
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
100 register_subslots();
30
5dd30224b70a abis: starting new program
Mychaela Falconia <falcon@freecalypso.org>
parents: 19
diff changeset
101 init_canned_dl_frames();
16
4ffe22f5b4b5 ater: initial osmo_i460 framework
Mychaela Falconia <falcon@freecalypso.org>
parents: 15
diff changeset
102
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 osmo_fd_setup(&ts_ofd, ts_fd, OSMO_FD_READ, ts_fd_cb, NULL, 0);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 OSMO_ASSERT(osmo_fd_register(&ts_ofd) == 0);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105
5
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
106 osmo_fd_setup(&stdin_ofd, 0, OSMO_FD_READ, stdin_select_cb,
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
107 handle_user_cmd, 0);
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
108 OSMO_ASSERT(osmo_fd_register(&stdin_ofd) == 0);
7233c10af3ad pcm: hook in stdin select mechanism
Mychaela Falconia <falcon@freecalypso.org>
parents: 2
diff changeset
109
2
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 while (1) {
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 osmo_select_main(0);
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 }
c03ec046471f pcm: initial version compiles and links
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 }