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annotate pcm/main.c @ 9:e3d16d490ce2

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pcm: implement dmw-on and dmw-off commands
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 23 Jun 2024 19:34:08 +0000
parents 7233c10af3ad
children
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1 /*
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2 * This C module is the main for itt-pcm-one, a program in the icE1 TRAU tester
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3 * suite that operates on a single timeslot (one TRAU channel) on the PCM side.
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4 *
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5 * This code is based on osmo-e1d-pipe,
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6 * (C) 2020-2022 by Harald Welte <laforge@osmocom.org>,
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7 * SPDX-License-Identifier: GPL-2.0+
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8 */
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9
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10 #include <stdint.h>
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11 #include <stdbool.h>
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12 #include <stdio.h>
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13 #include <stdlib.h>
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14 #include <unistd.h>
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15
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16 #include <osmocom/core/talloc.h>
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17 #include <osmocom/core/select.h>
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18 #include <osmocom/core/application.h>
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19 #include <osmocom/e1d/proto_clnt.h>
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20
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21 #include "../libutil/open_ts.h"
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22 #include "../libutil/stdin_handler.h"
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23 #include "globals.h"
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24
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25 struct osmo_e1dp_client *g_client;
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26 int ts_fd;
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27
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28 static const char *e1d_socket_path = E1DP_DEFAULT_SOCKET;
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29 static const char *timeslot_spec;
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30 static void *g_ctx;
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31 static struct osmo_fd ts_ofd, stdin_ofd;
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32
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33 static void process_cmdline(int argc, char **argv)
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34 {
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35 extern int optind;
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36 extern char *optarg;
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37 int c;
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38
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39 while ((c = getopt(argc, argv, "p:")) != EOF) {
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40 switch (c) {
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41 case 'p':
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42 e1d_socket_path = optarg;
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43 continue;
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44 default:
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45 usage:
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46 fprintf(stderr, "usage: %s [-p socket] intf:line:ts\n",
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47 argv[0]);
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48 exit(1);
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49 }
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50 }
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51 if (argc != optind + 1)
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52 goto usage;
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53 timeslot_spec = argv[optind];
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54 }
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55
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56 int main(int argc, char **argv)
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57 {
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58 process_cmdline(argc, argv);
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59 g_ctx = talloc_named_const(NULL, 0, "g_ctx");
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60 OSMO_ASSERT(g_ctx);
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61 osmo_init_logging2(g_ctx, NULL);
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62
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63 g_client = osmo_e1dp_client_create(g_ctx, e1d_socket_path);
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64 if (!g_client) {
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65 fprintf(stderr, "error: cannot connect to osmo-e1d at %s\n",
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66 e1d_socket_path);
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67 exit(1);
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68 }
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69 ts_fd = open_e1d_ts(g_client, timeslot_spec);
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70
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71 osmo_fd_setup(&ts_ofd, ts_fd, OSMO_FD_READ, ts_fd_cb, NULL, 0);
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72 OSMO_ASSERT(osmo_fd_register(&ts_ofd) == 0);
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73
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74 osmo_fd_setup(&stdin_ofd, 0, OSMO_FD_READ, stdin_select_cb,
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75 handle_user_cmd, 0);
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76 OSMO_ASSERT(osmo_fd_register(&stdin_ofd) == 0);
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77
2
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78 while (1) {
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79 osmo_select_main(0);
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80 }
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81 }