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Diffstat (limited to 'contrib/libpcap/tests/selpolltest.c')
-rw-r--r-- | contrib/libpcap/tests/selpolltest.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/contrib/libpcap/tests/selpolltest.c b/contrib/libpcap/tests/selpolltest.c deleted file mode 100644 index 4c1415b68354..000000000000 --- a/contrib/libpcap/tests/selpolltest.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the University of California, - * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of - * the University nor the names of its contributors may be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef lint -static const char copyright[] _U_ = - "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\ -The Regents of the University of California. All rights reserved.\n"; -#endif - -/* - * Tests how select() and poll() behave on the selectable file descriptor - * for a pcap_t. - * - * This would be significantly different on Windows, as it'd test - * how WaitForMultipleObjects() would work on the event handle for a - * pcap_t. - */ -#include <pcap.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdarg.h> -#include <unistd.h> -#include <errno.h> -#include <sys/types.h> -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#else -#include <sys/time.h> /* older UN*Xes */ -#endif -#include <poll.h> - -char *program_name; - -/* - * This was introduced by Clang: - * - * http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute - * - * in some version (which version?); it has been picked up by GCC 5.0. - */ -#ifndef __has_attribute - /* - * It's a macro, so you can check whether it's defined to check - * whether it's supported. - * - * If it's not, define it to always return 0, so that we move on to - * the fallback checks. - */ - #define __has_attribute(x) 0 -#endif - -#if __has_attribute(noreturn) \ - || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \ - || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) \ - || (defined(__xlC__) && __xlC__ >= 0x0A01) \ - || (defined(__HP_aCC) && __HP_aCC >= 61000) - /* - * Compiler with support for it, or GCC 2.5 and later, or Solaris Studio 12 - * (Sun C 5.9) and later, or IBM XL C 10.1 and later (do any earlier - * versions of XL C support this?), or HP aCC A.06.10 and later. - */ - #define PCAP_NORETURN __attribute((noreturn)) -#elif defined( _MSC_VER ) - #define PCAP_NORETURN __declspec(noreturn) -#else - #define PCAP_NORETURN -#endif - -#if __has_attribute(__format__) \ - || (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203)) \ - || (defined(__xlC__) && __xlC__ >= 0x0A01) \ - || (defined(__HP_aCC) && __HP_aCC >= 61000) - /* - * Compiler with support for it, or GCC 2.3 and later, or IBM XL C 10.1 - * and later (do any earlier versions of XL C support this?), - * or HP aCC A.06.10 and later. - */ - #define PCAP_PRINTFLIKE(x,y) __attribute__((__format__(__printf__,x,y))) -#else - #define PCAP_PRINTFLIKE(x,y) -#endif - -/* Forwards */ -static void countme(u_char *, const struct pcap_pkthdr *, const u_char *); -static void PCAP_NORETURN usage(void); -static void PCAP_NORETURN error(const char *, ...) PCAP_PRINTFLIKE(1, 2); -static void warning(const char *, ...) PCAP_PRINTFLIKE(1, 2); -static char *copy_argv(char **); - -static pcap_t *pd; - -int -main(int argc, char **argv) -{ - register int op; - bpf_u_int32 localnet, netmask; - register char *cp, *cmdbuf, *device; - int doselect, dopoll, dotimeout, dononblock; - struct bpf_program fcode; - char ebuf[PCAP_ERRBUF_SIZE]; - int selectable_fd; - int status; - int packet_count; - - device = NULL; - doselect = 0; - dopoll = 0; - dotimeout = 0; - dononblock = 0; - if ((cp = strrchr(argv[0], '/')) != NULL) - program_name = cp + 1; - else - program_name = argv[0]; - - opterr = 0; - while ((op = getopt(argc, argv, "i:sptn")) != -1) { - switch (op) { - - case 'i': - device = optarg; - break; - - case 's': - doselect = 1; - break; - - case 'p': - dopoll = 1; - break; - - case 't': - dotimeout = 1; - break; - - case 'n': - dononblock = 1; - break; - - default: - usage(); - /* NOTREACHED */ - } - } - - if (doselect && dopoll) { - fprintf(stderr, "selpolltest: choose select (-s) or poll (-p), but not both\n"); - return 1; - } - if (dotimeout && !doselect && !dopoll) { - fprintf(stderr, "selpolltest: timeout (-t) requires select (-s) or poll (-p)\n"); - return 1; - } - if (device == NULL) { - device = pcap_lookupdev(ebuf); - if (device == NULL) - error("%s", ebuf); - } - *ebuf = '\0'; - pd = pcap_open_live(device, 65535, 0, 1000, ebuf); - if (pd == NULL) - error("%s", ebuf); - else if (*ebuf) - warning("%s", ebuf); - if (pcap_lookupnet(device, &localnet, &netmask, ebuf) < 0) { - localnet = 0; - netmask = 0; - warning("%s", ebuf); - } - cmdbuf = copy_argv(&argv[optind]); - - if (pcap_compile(pd, &fcode, cmdbuf, 1, netmask) < 0) - error("%s", pcap_geterr(pd)); - - if (pcap_setfilter(pd, &fcode) < 0) - error("%s", pcap_geterr(pd)); - if (pcap_get_selectable_fd(pd) == -1) - error("pcap_get_selectable_fd() fails"); - if (dononblock) { - if (pcap_setnonblock(pd, 1, ebuf) == -1) - error("pcap_setnonblock failed: %s", ebuf); - } - selectable_fd = pcap_get_selectable_fd(pd); - printf("Listening on %s\n", device); - if (doselect) { - for (;;) { - fd_set setread, setexcept; - struct timeval seltimeout; - - FD_ZERO(&setread); - FD_SET(selectable_fd, &setread); - FD_ZERO(&setexcept); - FD_SET(selectable_fd, &setexcept); - if (dotimeout) { - seltimeout.tv_sec = 0; - seltimeout.tv_usec = 1000; - status = select(selectable_fd + 1, &setread, - NULL, &setexcept, &seltimeout); - } else { - status = select(selectable_fd + 1, &setread, - NULL, &setexcept, NULL); - } - if (status == -1) { - printf("Select returns error (%s)\n", - strerror(errno)); - } else { - if (status == 0) - printf("Select timed out: "); - else - printf("Select returned a descriptor: "); - if (FD_ISSET(selectable_fd, &setread)) - printf("readable, "); - else - printf("not readable, "); - if (FD_ISSET(selectable_fd, &setexcept)) - printf("exceptional condition\n"); - else - printf("no exceptional condition\n"); - packet_count = 0; - status = pcap_dispatch(pd, -1, countme, - (u_char *)&packet_count); - if (status < 0) - break; - printf("%d packets seen, %d packets counted after select returns\n", - status, packet_count); - } - } - } else if (dopoll) { - for (;;) { - struct pollfd fd; - int polltimeout; - - fd.fd = selectable_fd; - fd.events = POLLIN; - if (dotimeout) - polltimeout = 1; - else - polltimeout = -1; - status = poll(&fd, 1, polltimeout); - if (status == -1) { - printf("Poll returns error (%s)\n", - strerror(errno)); - } else { - if (status == 0) - printf("Poll timed out\n"); - else { - printf("Poll returned a descriptor: "); - if (fd.revents & POLLIN) - printf("readable, "); - else - printf("not readable, "); - if (fd.revents & POLLERR) - printf("exceptional condition, "); - else - printf("no exceptional condition, "); - if (fd.revents & POLLHUP) - printf("disconnect, "); - else - printf("no disconnect, "); - if (fd.revents & POLLNVAL) - printf("invalid\n"); - else - printf("not invalid\n"); - } - packet_count = 0; - status = pcap_dispatch(pd, -1, countme, - (u_char *)&packet_count); - if (status < 0) - break; - printf("%d packets seen, %d packets counted after poll returns\n", - status, packet_count); - } - } - } else { - for (;;) { - packet_count = 0; - status = pcap_dispatch(pd, -1, countme, - (u_char *)&packet_count); - if (status < 0) - break; - printf("%d packets seen, %d packets counted after pcap_dispatch returns\n", - status, packet_count); - } - } - if (status == -2) { - /* - * We got interrupted, so perhaps we didn't - * manage to finish a line we were printing. - * Print an extra newline, just in case. - */ - putchar('\n'); - } - (void)fflush(stdout); - if (status == -1) { - /* - * Error. Report it. - */ - (void)fprintf(stderr, "%s: pcap_loop: %s\n", - program_name, pcap_geterr(pd)); - } - pcap_close(pd); - exit(status == -1 ? 1 : 0); -} - -static void -countme(u_char *user, const struct pcap_pkthdr *h, const u_char *sp) -{ - int *counterp = (int *)user; - - (*counterp)++; -} - -static void -usage(void) -{ - (void)fprintf(stderr, "Usage: %s [ -sptn ] [ -i interface ] [expression]\n", - program_name); - exit(1); -} - -/* VARARGS */ -static void -error(const char *fmt, ...) -{ - va_list ap; - - (void)fprintf(stderr, "%s: ", program_name); - va_start(ap, fmt); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - if (*fmt) { - fmt += strlen(fmt); - if (fmt[-1] != '\n') - (void)fputc('\n', stderr); - } - exit(1); - /* NOTREACHED */ -} - -/* VARARGS */ -static void -warning(const char *fmt, ...) -{ - va_list ap; - - (void)fprintf(stderr, "%s: WARNING: ", program_name); - va_start(ap, fmt); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - if (*fmt) { - fmt += strlen(fmt); - if (fmt[-1] != '\n') - (void)fputc('\n', stderr); - } -} - -/* - * Copy arg vector into a new buffer, concatenating arguments with spaces. - */ -static char * -copy_argv(register char **argv) -{ - register char **p; - register u_int len = 0; - char *buf; - char *src, *dst; - - p = argv; - if (*p == 0) - return 0; - - while (*p) - len += strlen(*p++) + 1; - - buf = (char *)malloc(len); - if (buf == NULL) - error("copy_argv: malloc"); - - p = argv; - dst = buf; - while ((src = *p++) != NULL) { - while ((*dst++ = *src++) != '\0') - ; - dst[-1] = ' '; - } - dst[-1] = '\0'; - - return buf; -} |