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/* source: procan_main.c */
/* Copyright Gerhard Rieger and contributors (see file CHANGES) */
/* Published under the GNU General Public License V.2, see file COPYING */
const char copyright[] = "procan by Gerhard Rieger and contributors - send bug reports to socat@dest-unreach.org";
#include <signal.h> /* sig_atomic_t for error.h */
#include <time.h> /* struct timespec for error.h */
#include <stdlib.h> /* strtoul() */
#include <string.h>
#include <stdio.h>
#include "config.h"
#if HAVE_SYS_SELECT_H
#include <sys/select.h> /* select(), fdset on FreeBSD */
#endif
#if HAVE_SYS_UTSNAME_H
#include <sys/utsname.h> /* uname(), struct utsname */
#endif
#include "mytypes.h"
#include "error.h"
#include "procan.h"
#include "hostan.h"
#define WITH_HELP 1
static void procan_usage(FILE *fd);
static void procan_version(FILE *fd);
const char copyright_procan[] = "procan by Gerhard Rieger and contributors - see www.dest-unreach.org";
static const char procanversion[] =
#include "./VERSION"
;
static const char timestamp[] = BUILD_DATE;
int main(int argc, const char *argv[]) {
const char **arg1;
#if 0
unsigned int n = 1024; /* this is default on my Linux */
#endif
diag_set('p', strchr(argv[0], '/') ? strrchr(argv[0], '/')+1 : argv[0]);
arg1 = argv+1; --argc;
while (arg1[0] && (arg1[0][0] == '-')) {
switch (arg1[0][1]) {
#if WITH_HELP
case '?': case 'h': procan_usage(stdout); exit(0);
#endif /* WITH_HELP */
case 'c': procan_cdefs(stdout); exit(0);
case 'V': procan_version(stdout); exit(0);
#if LATER
case 'l': diag_set(arg1[0][2], &arg1[0][3]); break;
case 'd': diag_set('d', NULL); break;
#endif
#if 0
case 'n': n = strtoul(&arg1[0][2], NULL, 0); break;
#endif
case '\0': break;
default:
diag_set_int('e', E_FATAL);
Error1("unknown option \"%s\"", arg1[0]);
#if WITH_HELP
procan_usage(stderr);
#endif
exit(1);
}
if (arg1[0][1] == '\0')
break;
++arg1; --argc;
}
if (argc != 0) {
Error1("%d superfluous arguments", argc);
#if WITH_HELP
procan_usage(stderr);
#endif
exit(1);
}
procan(stdout);
hostan(stdout);
return 0;
}
#if WITH_HELP
static void procan_usage(FILE *fd) {
fputs(copyright, fd); fputc('\n', fd);
fputs("Analyze system parameters of process\n", fd);
fputs("Usage:\n", fd);
fputs("procan [options]\n", fd);
fputs(" options:\n", fd);
fputs(" -V print version information to stdout, and exit\n", fd);
#if WITH_HELP
fputs(" -?|-h print a help text describing command line options\n", fd);
#endif
fputs(" -c print values of compile time C defines\n", fd);
#if LATER
fputs(" -d increase verbosity (use up to 4 times; 2 are recommended)\n", fd);
#endif
#if 0
fputs(" -ly[facility] log to syslog, using facility (default is daemon)\n", fd);
fputs(" -lf<logfile> log to file\n", fd);
fputs(" -ls log to stderr (default if no other log)\n", fd);
#endif
#if 0
fputs(" -n<fdnum> first file descriptor number not analyzed\n", fd);
#endif
}
#endif /* WITH_HELP */
void procan_version(
FILE *fd)
{
struct utsname ubuf;
fputs(copyright_procan, fd); fputc('\n', fd);
fprintf(fd, "procan version %s on %s\n", procanversion, timestamp);
uname(&ubuf);
fprintf(fd, " running on %s version %s, release %s, machine %s\n",
ubuf.sysname, ubuf.version, ubuf.release, ubuf.machine);
return;
}
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