inet.c File Reference

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/param.h>
#include <netdb.h>
#include <sys/socket.h>
#include <unistd.h>
#include "config.h"
#include "inet.h"
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <stdio.h>

Include dependency graph for inet.c:

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Functions
u_int32_t	LookupHostAddr (const char *s)
u_int32_t	LookupLocalAddr (void)
const char *	intoa (u_int32_t addr)
char *	InetNtoa (u_int32_t addr)
char *	LookupHostName (u_int32_t addr)
u_short	in_cksum (addr, len) u_short *addr
Variables
const char	rcsid []
int	len

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Function Documentation

u_short in_cksum (  addr  , len  )

char* InetNtoa (  u_int32_t  addr  )

Definition at line 99 of file inet.c. References intoa(). Referenced by LookupHostName(). { const char *s = intoa(addr); char *p = (char *)malloc(strlen(s) + 1); strcpy(p, s); return p; }

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const char* intoa (  u_int32_t  addr  )

Definition at line 69 of file inet.c. References NTOHL. Referenced by InetNtoa(). { register char *cp; register u_int byte; register int n; static char buf[sizeof(".xxx.xxx.xxx.xxx")]; NTOHL(addr); cp = &buf[sizeof buf]; *--cp = '\0'; n = 4; do { byte = addr & 0xff; *--cp = byte % 10 + '0'; byte /= 10; if (byte > 0) { *--cp = byte % 10 + '0'; byte /= 10; if (byte > 0) *--cp = byte + '0'; } *--cp = '.'; addr >>= 8; } while (--n > 0); return cp + 1; }

u_int32_t LookupHostAddr (  const char *  s  )

Definition at line 38 of file inet.c. References u_int32_t. Referenced by UDPIPNetwork::command(), IPNetwork::command(), and LookupLocalAddr(). { if (isdigit(*s)) return (u_int32_t)inet_addr(s); else { struct hostent *hp = gethostbyname(s); if (hp == 0) /*XXX*/ return (0); return *((u_int32_t **)hp->h_addr_list)[0]; } }

char* LookupHostName (  u_int32_t  addr  )

Definition at line 108 of file inet.c. References InetNtoa(). { char *p; struct hostent* hp; /*XXX*/ if (IN_MULTICAST(ntohl(addr))) return (InetNtoa(addr)); hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET); if (hp == 0) return InetNtoa(addr); p = (char *)malloc(strlen(hp->h_name) + 1); strcpy(p, hp->h_name); return p; }

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u_int32_t LookupLocalAddr (  void   )

Definition at line 52 of file inet.c. References LookupHostAddr(), and u_int32_t. { static u_int32_t local_addr; char name[MAXHOSTNAMELEN]; if (local_addr == 0) { (void)gethostname(name, sizeof(name)); local_addr = LookupHostAddr(name); } return (local_addr); }

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Variable Documentation

int len

Definition at line 133 of file inet.c. Referenced by AllocateBuffer(), QA::AllZero(), RTPSession::build_report(), correct_read(), correct_write(), HierClassifier::do_install(), ExtraLongUInt::ExtraLongUInt(), MFTPSndAgent::fill_read_ahead_buf(), Path::fillSR(), AllocAddr::find_free(), ProxyTracePagePool::find_info(), MobiCache::findRoute(), AllocAddr::free_field(), TCPTapAgent::in_cksum(), IPTapAgent::in_cksum(), Internet::in_cksum(), intVec::intVec(), Internet::makeip(), Path::member(), NRAttribute::NRAttribute(), intVec::operator=(), Path::Path(), LDPAgent::PKTinit(), LinkDelay::pktintran(), LDPAgent::PKTsize(), Address::print_nodeaddr(), TagFilter::ProcessMessage(), SrcRtFilter::ProcessMessage(), MobileNode::random_direction(), PcapNetwork::recv(), IPNetwork::recv(), UDPIPNetwork::recv(), Path::removeSection(), Path::reverse(), PcapNetwork::send(), IPNetwork::send(), UDPIPNetwork::send(), DiffusionRouting::sendMessageToDiffusion(), DiffusionCoreAgent::sendMessageToLibrary(), DiffusionCoreAgent::sendMessageToNetwork(), IOLog::sendPacket(), DiffusionRouting::sendPacketToDiffusion(), DiffusionCoreAgent::sendPacketToLibrary(), DiffusionCoreAgent::sendPacketToNetwork(), MobileNode::set_destination(), AllocAddr::set_field(), and NRSimpleAttribute< void * >::setVal().

const char rcsid[] [static]

Initial value: "@(#) $Header: /nfs/jade/vint/CVSROOT/ns-2/emulate/inet.c,v 1.5 2000/02/08 23:35:13 salehi Exp $ (LBL)" Definition at line 18 of file inet.c.

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