FreeCalypso > hg > freecalypso-tools

annotate rvinterf/tmsh/oneshot.c @ 296:77d561735b07

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
c1xx-calextr: preparations for both ASCII and binary output
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 18 Nov 2017 17:30:26 +0000
parents 27c41e4b21ae
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
71
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module implements the one-shot mode of operation for fc-tmsh.
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <sys/types.h>
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/errno.h>
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdio.h>
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdlib.h>
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <unistd.h>
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include "exitcodes.h"
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 extern int oneshot_nowait;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 extern int sock;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 extern int got_tm_response;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 oneshot_command(argc, argv)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 char **argv;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 {
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 fd_set fds;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 int rc;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 if (!oneshot_nowait)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 init(); /* to catch the response properly */
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 rc = dispatch_oneshot_cmd(argc, argv);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 if (rc)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 exit(rc);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 if (oneshot_nowait)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 exit(0);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 /* wait for response */
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 for (;;) {
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 FD_ZERO(&fds);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 FD_SET(sock, &fds);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 rc = select(sock+1, &fds, 0, 0, 0);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (rc < 0) {
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 if (errno == EINTR)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 continue;
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 perror("select");
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 exit(ERROR_UNIX);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 }
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 if (FD_ISSET(sock, &fds))
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 handle_rvinterf_input();
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 if (got_tm_response)
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 exit(0);
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 }
27c41e4b21ae fc-tmsh one-shot operation mode implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 }