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comparison rvinterf/rvtdump.c @ 134:e0d56e9be8a2

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rvtdump: time-stamped logging implemented
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 02 Nov 2013 23:15:42 +0000
parents 56b53c289785
children e01e3a60c858
comparison
equal deleted inserted replaced
133:56b53c289785 134:e0d56e9be8a2
6 #include <sys/types.h> 6 #include <sys/types.h>
7 #include <sys/errno.h> 7 #include <sys/errno.h>
8 #include <stdio.h> 8 #include <stdio.h>
9 #include <stdlib.h> 9 #include <stdlib.h>
10 #include <unistd.h> 10 #include <unistd.h>
11 #include <time.h>
11 12
12 extern int target_fd; 13 extern int target_fd;
13 extern char *baudrate_name; 14 extern char *baudrate_name;
14 15
15 extern char pr_item[]; 16 extern char pr_item[];
17
18 char *logfname;
19 FILE *logF;
20 time_t logtime;
16 21
17 main(argc, argv) 22 main(argc, argv)
18 char **argv; 23 char **argv;
19 { 24 {
20 extern char *optarg; 25 extern char *optarg;
21 extern int optind; 26 extern int optind;
22 int c; 27 int c;
23 fd_set fds; 28 fd_set fds;
24 29
25 while ((c = getopt(argc, argv, "b:d:")) != EOF) 30 while ((c = getopt(argc, argv, "b:d:l:")) != EOF)
26 switch (c) { 31 switch (c) {
27 case 'b': 32 case 'b':
28 baudrate_name = optarg; 33 baudrate_name = optarg;
29 continue; 34 continue;
30 case 'd': 35 case 'd':
31 target_fd = atoi(optarg); 36 target_fd = atoi(optarg);
37 continue;
38 case 'l':
39 logfname = optarg;
32 continue; 40 continue;
33 case '?': 41 case '?':
34 default: 42 default:
35 usage: fprintf(stderr, 43 usage: fprintf(stderr,
36 "usage: %s [-b baudrate] ttyport\n", argv[0]); 44 "usage: %s [-b baudrate] ttyport\n", argv[0]);
42 open_target_serial(argv[optind]); 50 open_target_serial(argv[optind]);
43 } 51 }
44 52
45 set_serial_nonblock(0); 53 set_serial_nonblock(0);
46 setlinebuf(stdout); 54 setlinebuf(stdout);
55 if (logfname) {
56 logF = fopen(logfname, "w");
57 if (!logF) {
58 perror(logfname);
59 exit(1);
60 }
61 fprintf(logF, "*** Log of decoded RVT output ***\n");
62 setlinebuf(logF);
63 }
47 for (;;) { 64 for (;;) {
48 FD_ZERO(&fds); 65 FD_ZERO(&fds);
49 FD_SET(target_fd, &fds); 66 FD_SET(target_fd, &fds);
50 c = select(target_fd+1, &fds, 0, 0, 0); 67 c = select(target_fd+1, &fds, 0, 0, 0);
68 time(&logtime);
51 if (c < 0) { 69 if (c < 0) {
52 if (errno == EINTR) 70 if (errno == EINTR)
53 continue; 71 continue;
54 perror("select"); 72 perror("select");
55 exit(1); 73 exit(1);
65 } 83 }
66 84
67 print_item() 85 print_item()
68 { 86 {
69 printf("%s\n", pr_item); 87 printf("%s\n", pr_item);
88 if (logF)
89 log_item();
70 } 90 }