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* DEBUG: section 37 ICMP Routines
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* AUTHOR: Duane Wessels, Amos Jeffries
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* SQUID Web Proxy Cache http://www.squid-cache.org/
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* ----------------------------------------------------------
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* Squid is the result of efforts by numerous individuals from
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* the Internet community; see the CONTRIBUTORS file for full
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* details. Many organizations have provided support for Squid's
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* development; see the SPONSORS file for full details. Squid is
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* Copyrighted (C) 2001 by the Regents of the University of
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* California; see the COPYRIGHT file for full details. Squid
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* incorporates software developed and/or copyrighted by other
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* sources; see the CREDITS file for full details.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
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#include "SquidTime.h"
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Icmp::CheckSum(unsigned short *ptr, int size)
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unsigned short oddbyte;
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unsigned short answer;
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if (!ptr) return (int)htons(0xffff); // bad input.
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*((unsigned char *) &oddbyte) = *(unsigned char *) ptr;
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sum = (sum >> 16) + (sum & 0xffff);
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answer = (unsigned short) ~sum;
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return 63 - ttl; /* 62 = (64+60)/2 */
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return 65 - ttl; /* 62 = (64+60)/2 */
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Icmp::Log(const IpAddress &addr, const u_int8_t type, const char* pkt_str, const int rtt, const int hops)
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debugs(42, 2, "pingerLog: " << std::setw(9) << current_time.tv_sec <<
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"." << std::setfill('0') << std::setw(6) <<
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current_time.tv_usec << " " << std::left << std::setfill(' ') <<
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std::setw(45) << addr << " " << type <<
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" " << std::setw(15) << pkt_str << " " << rtt <<
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"ms " << hops << " hops");
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#endif /* USE_ICMP */