annotate autocal/tsidsock.c @ 77:3f63e71b6422

fc-rfcal-txband: implemented initial calchan clearing
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 Jul 2017 20:25:31 +0000
parents f67f46e56355
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * TSID local socket interface
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <sys/types.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/socket.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/un.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdio.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <string.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <strings.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <unistd.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <rvinterf/exitcodes.h>
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 char *tsid_socket_pathname = "/tmp/fc_rftest_socket";
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 int tsid_socket;
19
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
17 char tsid_response[4096];
14
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 connect_tsid_socket()
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 {
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 /* local socket binding voodoo copied from osmocon */
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 struct sockaddr_un local;
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 unsigned int namelen;
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 int rc;
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 tsid_socket = socket(AF_UNIX, SOCK_STREAM, 0);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 if (tsid_socket < 0) {
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 perror("socket(AF_UNIX, SOCK_STREAM, 0)");
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 exit(ERROR_UNIX);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 }
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 local.sun_family = AF_UNIX;
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 strncpy(local.sun_path, tsid_socket_pathname, sizeof(local.sun_path));
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 /* we use the same magic that X11 uses in Xtranssock.c for
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 * calculating the proper length of the sockaddr */
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 local.sun_len = strlen(local.sun_path);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 #endif
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 namelen = SUN_LEN(&local);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 #else
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 namelen = strlen(local.sun_path) +
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 offsetof(struct sockaddr_un, sun_path) + 1;
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 #endif
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 rc = connect(tsid_socket, (struct sockaddr *) &local, namelen);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 if (rc != 0) {
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 perror(tsid_socket_pathname);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 exit(ERROR_RFTEST);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 }
19
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
53 collect_tsid_response();
14
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 return(0);
93e5194e5511 autocal/tsidsock.c written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 }
19
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
56
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
57 collect_tsid_response()
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
58 {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
59 char buf[BUFSIZ];
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
60 int cc, pos;
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
61
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
62 for (pos = 0; ; ) {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
63 cc = read(tsid_socket, buf, sizeof buf);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
64 if (cc <= 0) {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
65 perror("read from TSID socket");
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
66 exit(ERROR_RFTEST);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
67 }
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
68 if (pos + cc > sizeof tsid_response) {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
69 fprintf(stderr,
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
70 "error: response from TSID exceeds our buffer size\n");
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
71 exit(ERROR_RFTEST);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
72 }
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
73 bcopy(buf, tsid_response + pos, cc);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
74 pos += cc;
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
75 if (tsid_response[pos-1] == '\n')
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
76 break;
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
77 }
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
78 tsid_response[pos-1] = '\0';
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
79 if (tsid_response[0] != '+') {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
80 fprintf(stderr, "Error from TSID: %s\n", tsid_response);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
81 exit(ERROR_RFTEST);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
82 }
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
83 return(0);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
84 }
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
85
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
86 tsid_command(cmd)
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
87 char *cmd;
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
88 {
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
89 write(tsid_socket, cmd, strlen(cmd));
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
90 collect_tsid_response();
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
91 return(0);
f67f46e56355 autocal/tsidsock.c: implemented command/response protocol
Mychaela Falconia <falcon@freecalypso.org>
parents: 14
diff changeset
92 }