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Initial revision

    1: /* arping/src/windows.c
    2:  *
    3:  *  Copyright (C) 2000-2011 Thomas Habets <thomas@habets.se>
    4:  *
    5:  *  This library is free software; you can redistribute it and/or
    6:  *  modify it under the terms of the GNU General Public
    7:  *  License as published by the Free Software Foundation; either
    8:  *  version 2 of the License, or (at your option) any later version.
    9:  *
   10:  *  This library is distributed in the hope that it will be useful,
   11:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:  *  General Public License for more details.
   14:  *
   15:  *  You should have received a copy of the GNU General Public License along
   16:  *  with this program; if not, write to the Free Software Foundation, Inc.,
   17:  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   18:  */
   19: 
   20: /***************
   21:  * This code has worked at one point, but I'm not a Windows programmer
   22:  * so it's not being maintained. Should not be hard to get working
   23:  * again though for someone who is.
   24:  ***************/
   25: #if HAVE_CONFIG_H
   26: #include "config.h"
   27: #endif
   28: 
   29: #include <pcap.h>
   30: 
   31: #include "arping.h"
   32: 
   33: /**
   34:  *
   35:  */
   36: void
   37: do_signal_init()
   38: {
   39: 	SetConsoleCtrlHandler(arping_console_ctrl_handler, TRUE);
   40: 	/* SetConsoleCtrlHandler(NULL, TRUE); */
   41: }
   42: 
   43: /**
   44:  * untested for a long time. Maybe since arping 2.05 or so.
   45:  */
   46: static void
   47: ping_recv_win32(pcap_t *pcap, uint32_t packetwait, pcap_handler func)
   48: {
   49:         struct timespec tv,tv2;
   50:        char done = 0;
   51:        /* windows won't let us do select() */
   52:        getclock(&tv2);
   53: 
   54:        while (!done && !time_to_die) {
   55: 	       struct pcap_pkthdr *pkt_header;
   56: 	       u_char *pkt_data;
   57: 	       if (pcap_next_ex(pcap, &pkt_header, &pkt_data) == 1) {
   58: 		       func(pcap, pkt_header, pkt_data);
   59: 	       }
   60:                getclock(&tv);
   61: 
   62:                /*
   63:                 * setup next timespec, not very exact
   64:                 */
   65:                tv.tv_sec  = (packetwait / 1000000)
   66: 		       - (tv.tv_sec - tv2.tv_sec);
   67: 	       tv.tv_nsec = (packetwait % 1000000)
   68:                        - (tv.tv_nsec - tv2.tv_nsec);
   69:                fixup_timespec(&tv);
   70: 
   71: 	       usleep(10);
   72: 	       if (tv.tv_sec < 0) {
   73: 		       done=1;
   74: 	       }
   75:        }
   76: }
   77: 
   78: /**
   79:  * Fall back on getting device name from pcap.
   80:  */
   81: const char *
   82: arping_lookupdev_default(int32_t srcip, uint32_t dstip,
   83: 			 char *ebuf)
   84: {
   85: 	WCHAR buf[LIBNET_ERRBUF_SIZE + PCAP_ERRBUF_SIZE];
   86: 	WCHAR* ret = (WCHAR*)pcap_lookupdev((char*)buf);
   87: 	if (ret != NULL) {
   88: 		wcstombs(ebuf, ret, LIBNET_ERRBUF_SIZE + PCAP_ERRBUF_SIZE);
   89: 		return ebuf;
   90: 	}
   91: 	return NULL;
   92: }
   93: 
   94: static BOOL WINAPI arping_console_ctrl_handler(DWORD dwCtrlType)
   95: {
   96:         if (verbose) {
   97:                 printf("arping_console_ctrl_handler(%d)\n", (int)dwCtrlType);
   98: 	}
   99: 	time_to_die = 1;
  100: 
  101:         if (0) {
  102:                 /* if SetConsoleCtrlHandler() does what I think, this
  103:                    isn't needed */
  104:                 if (display == NORMAL) {
  105:                         printf("\n--- %s statistics ---\n"
  106:                                "%d packets transmitted, %d packets received, "
  107:                                "%3.0f%% "
  108:                                "unanswered\n", target, numsent, numrecvd,
  109:                                100.0
  110:                                - 100.0 * (float)(numrecvd)/(float)numsent);
  111:                 }
  112:         }
  113: 	return TRUE;
  114: }
  115: /* ---- Emacs Variables ----
  116:  * Local Variables:
  117:  * c-basic-offset: 8
  118:  * indent-tabs-mode: nil
  119:  * End:
  120:  */