FreeCalypso > hg > ice1-trau-tester

comparison ater8/main.c @ 42:ff94d7fc5891

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new program itt-ater-8
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Aug 2024 19:02:42 +0000
parents ater/main.c@1e375472d5a5
children
comparison
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41:50a72d4ff498 42:ff94d7fc5891
1 /*
2 * This C module is the main for itt-ater-8, a program in the icE1 TRAU tester
3 * suite that operates on a single E1 timeslot on the Ater interface.
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 <string.h>
15 #include <unistd.h>
16
17 #include <osmocom/core/talloc.h>
18 #include <osmocom/core/select.h>
19 #include <osmocom/core/application.h>
20 #include <osmocom/e1d/proto_clnt.h>
21 #include <osmocom/isdn/i460_mux.h>
22
23 #include "../libutil/open_ts.h"
24 #include "../libutil/stdin_handler.h"
25 #include "globals.h"
26 #include "submux.h"
27
28 void *g_ctx;
29 struct osmo_e1dp_client *g_client;
30 int ts_fd;
31 struct osmo_i460_timeslot i460_ts;
32 struct ater_subslot subslots[ATER_SUBSLOTS];
33
34 static const char *e1d_socket_path = E1DP_DEFAULT_SOCKET;
35 static const char *timeslot_spec;
36 static struct osmo_fd ts_ofd, stdin_ofd;
37
38 static void process_cmdline(int argc, char **argv)
39 {
40 extern int optind;
41 extern char *optarg;
42 int c;
43
44 while ((c = getopt(argc, argv, "p:")) != EOF) {
45 switch (c) {
46 case 'p':
47 e1d_socket_path = optarg;
48 continue;
49 default:
50 usage:
51 fprintf(stderr, "usage: %s [-p socket] intf:line:ts\n",
52 argv[0]);
53 exit(1);
54 }
55 }
56 if (argc != optind + 1)
57 goto usage;
58 timeslot_spec = argv[optind];
59 }
60
61 static void register_subslots(void)
62 {
63 int nr;
64 struct osmo_i460_schan_desc chd;
65
66 memset(&chd, 0, sizeof chd);
67 chd.rate = OSMO_I460_RATE_8k;
68 chd.demux.num_bits = 160;
69 chd.demux.out_cb_bits = i460_rx_func;
70
71 for (nr = 0; nr < ATER_SUBSLOTS; nr++) {
72 subslots[nr].nr = nr;
73 chd.demux.user_data = subslots + nr;
74 chd.mux.user_data = subslots + nr;
75 subslots[nr].schan =
76 osmo_i460_subchan_add(g_ctx, &i460_ts, &chd);
77 OSMO_ASSERT(subslots[nr].schan);
78 chd.bit_offset += 1;
79 }
80 }
81
82 int main(int argc, char **argv)
83 {
84 process_cmdline(argc, argv);
85 g_ctx = talloc_named_const(NULL, 0, "g_ctx");
86 OSMO_ASSERT(g_ctx);
87 osmo_init_logging2(g_ctx, NULL);
88
89 g_client = osmo_e1dp_client_create(g_ctx, e1d_socket_path);
90 if (!g_client) {
91 fprintf(stderr, "error: cannot connect to osmo-e1d at %s\n",
92 e1d_socket_path);
93 exit(1);
94 }
95 ts_fd = open_e1d_ts(g_client, timeslot_spec);
96
97 osmo_i460_ts_init(&i460_ts);
98 register_subslots();
99
100 osmo_fd_setup(&ts_ofd, ts_fd, OSMO_FD_READ, ts_fd_cb, NULL, 0);
101 OSMO_ASSERT(osmo_fd_register(&ts_ofd) == 0);
102
103 osmo_fd_setup(&stdin_ofd, 0, OSMO_FD_READ, stdin_select_cb,
104 handle_user_cmd, 0);
105 OSMO_ASSERT(osmo_fd_register(&stdin_ofd) == 0);
106
107 while (1) {
108 osmo_select_main(0);
109 }
110 }