FreeCalypso > hg > ice1-trau-tester

annotate libutil/open_ts.c @ 29:1dda11905e85

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ater: implement play-stop command
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 24 Jun 2024 20:42:23 +0000
parents 570252e22630
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * The function in this common module is responsible for parsing the
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * user-supplied E1 timeslot specification and then opening that ts
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * in osmo-e1d.
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 *
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 * This code is based on osmo-e1d-pipe,
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * (C) 2020-2022 by Harald Welte <laforge@osmocom.org>,
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 * SPDX-License-Identifier: GPL-2.0+
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 */
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <ctype.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <stdint.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <stdbool.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <stdio.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include <stdlib.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include <osmocom/e1d/proto_clnt.h>
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 #include "open_ts.h"
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 static int parse_component(const char *str, const char **outp, uint8_t *var)
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 {
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 if (!isdigit(*str))
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 return -1;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 *var = atoi(str);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 while (isdigit(*str))
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 str++;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 *outp = str;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 return 0;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 }
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 int open_e1d_ts(struct osmo_e1dp_client *e1_client, const char *ts_spec)
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 {
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 uint8_t intf_nr, line_nr, ts_nr;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 const char *cp;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 int fd;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 if (parse_component(ts_spec, &cp, &intf_nr) < 0) {
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 inv_syntax: fprintf(stderr, "error: invalid timeslot spec \"%s\"\n",
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 ts_spec);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 exit(1);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 }
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 if (*cp++ != ':')
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 goto inv_syntax;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 if (parse_component(cp, &cp, &line_nr) < 0)
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 goto inv_syntax;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 if (*cp++ != ':')
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 goto inv_syntax;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 if (parse_component(cp, &cp, &ts_nr) < 0)
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 goto inv_syntax;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 if (*cp)
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 goto inv_syntax;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 fd = osmo_e1dp_client_ts_open(e1_client, intf_nr, line_nr, ts_nr,
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 E1DP_TSMODE_RAW, 160);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 if (fd < 0) {
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 fprintf(stderr, "error: failed to open E1 ts %s\n", ts_spec);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 exit(1);
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 }
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 return fd;
570252e22630 libutil: timeslot opening function
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 }