]>
git.ipfire.org Git - thirdparty/squid.git/blob - src/icmp/Icmp.cc
2 * $Id: icmp.cc,v 1.94 2007/12/14 23:11:47 amosjeffries Exp $
4 * DEBUG: section 37 ICMP Routines
5 * AUTHOR: Duane Wessels, Amos Jeffries
7 * SQUID Web Proxy Cache http://www.squid-cache.org/
8 * ----------------------------------------------------------
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11 * the Internet community; see the CONTRIBUTORS file for full
12 * details. Many organizations have provided support for Squid's
13 * development; see the SPONSORS file for full details. Squid is
14 * Copyrighted (C) 2001 by the Regents of the University of
15 * California; see the COPYRIGHT file for full details. Squid
16 * incorporates software developed and/or copyrighted by other
17 * sources; see the CREDITS file for full details.
19 * This program is free software; you can redistribute it and/or modify
20 * it under the terms of the GNU General Public License as published by
21 * the Free Software Foundation; either version 2 of the License, or
22 * (at your option) any later version.
24 * This program is distributed in the hope that it will be useful,
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
27 * GNU General Public License for more details.
29 * You should have received a copy of the GNU General Public License
30 * along with this program; if not, write to the Free Software
31 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
36 #include "SquidTime.h"
61 Icmp::CheckSum(unsigned short *ptr
, int size
)
64 unsigned short oddbyte
;
65 unsigned short answer
;
67 if (!ptr
) return 65535; // bad input.
78 *((unsigned char *) &oddbyte
) = *(unsigned char *) ptr
;
82 sum
= (sum
>> 16) + (sum
& 0xffff);
84 answer
= (unsigned short) ~sum
;
95 return 63 - ttl
; /* 62 = (64+60)/2 */
98 return 65 - ttl
; /* 62 = (64+60)/2 */
110 Icmp::Log(const IPAddress
&addr
, const u_int8_t type
, const char* pkt_str
, const int rtt
, const int hops
)
112 debugs(42, 2, "pingerLog: " << std::setw(9) << current_time
.tv_sec
<<
113 "." << std::setfill('0') << std::setw(6) <<
114 current_time
.tv_usec
<< " " << std::left
<< std::setfill(' ') <<
115 std::setw(45) << addr
<< " " << type
<<
116 " " << std::setw(15) << pkt_str
<< " " << rtt
<<
117 "ms " << hops
<< " hops");
120 #endif /* USE_ICMP */