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