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comparison pcm/main.c @ 2:c03ec046471f

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pcm: initial version compiles and links
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Jun 2024 08:35:46 +0000
parents
children 7233c10af3ad
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1:570252e22630 2:c03ec046471f
1 /*
2 * This C module is the main for itt-pcm-one, a program in the icE1 TRAU tester
3 * suite that operates on a single timeslot (one TRAU channel) on the PCM side.
4 *
5 * This code is based on osmo-e1d-pipe,
6 * (C) 2020-2022 by Harald Welte <laforge@osmocom.org>,
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10 #include <stdint.h>
11 #include <stdbool.h>
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <unistd.h>
15
16 #include <osmocom/core/talloc.h>
17 #include <osmocom/core/select.h>
18 #include <osmocom/core/application.h>
19 #include <osmocom/e1d/proto_clnt.h>
20
21 #include "../libutil/open_ts.h"
22 #include "globals.h"
23
24 struct osmo_e1dp_client *g_client;
25 int ts_fd;
26
27 static const char *e1d_socket_path = E1DP_DEFAULT_SOCKET;
28 static const char *timeslot_spec;
29 static void *g_ctx;
30 static struct osmo_fd ts_ofd;
31
32 static void process_cmdline(int argc, char **argv)
33 {
34 extern int optind;
35 extern char *optarg;
36 int c;
37
38 while ((c = getopt(argc, argv, "p:")) != EOF) {
39 switch (c) {
40 case 'p':
41 e1d_socket_path = optarg;
42 continue;
43 default:
44 usage:
45 fprintf(stderr, "usage: %s [-p socket] intf:line:ts\n",
46 argv[0]);
47 exit(1);
48 }
49 }
50 if (argc != optind + 1)
51 goto usage;
52 timeslot_spec = argv[optind];
53 }
54
55 int main(int argc, char **argv)
56 {
57 process_cmdline(argc, argv);
58 g_ctx = talloc_named_const(NULL, 0, "g_ctx");
59 OSMO_ASSERT(g_ctx);
60 osmo_init_logging2(g_ctx, NULL);
61
62 g_client = osmo_e1dp_client_create(g_ctx, e1d_socket_path);
63 if (!g_client) {
64 fprintf(stderr, "error: cannot connect to osmo-e1d at %s\n",
65 e1d_socket_path);
66 exit(1);
67 }
68 ts_fd = open_e1d_ts(g_client, timeslot_spec);
69
70 osmo_fd_setup(&ts_ofd, ts_fd, OSMO_FD_READ, ts_fd_cb, NULL, 0);
71 OSMO_ASSERT(osmo_fd_register(&ts_ofd) == 0);
72
73 while (1) {
74 osmo_select_main(0);
75 }
76 }