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New makensisw update system

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@1433 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
rainwater 2002-10-16 17:21:43 +00:00
parent c189fd76d6
commit f7eeeb8399
13 changed files with 1560 additions and 17 deletions
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78
Contrib/Makensisw/jnetlib/asyncdns.cpp Normal file
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/*
** JNetLib
** Copyright (C) 2000-2001 Nullsoft, Inc.
** Author: Justin Frankel
** File: asyncdns.cpp - JNL portable asynchronous DNS implementation
** License: see jnetlib.h
*/
#include "netinc.h"
#include "util.h"
#include "asyncdns.h"
JNL_AsyncDNS::JNL_AsyncDNS(int max_cache_entries)
{
m_thread_kill=1;
m_thread=0;
m_addr=0;
m_hostname[0]=0;
}
JNL_AsyncDNS::~JNL_AsyncDNS()
{
m_thread_kill=1;
if (m_thread)
{
WaitForSingleObject(m_thread,INFINITE);
CloseHandle(m_thread);
}
}
unsigned long WINAPI JNL_AsyncDNS::_threadfunc(LPVOID _d)
{
JNL_AsyncDNS *_this=(JNL_AsyncDNS*)_d;
int nowinsock=JNL::open_socketlib();
struct hostent *hostentry;
hostentry=::gethostbyname(_this->m_hostname);
if (hostentry)
{
_this->m_addr=*((int*)hostentry->h_addr);
}
else
_this->m_addr=INADDR_NONE;
if (!nowinsock) JNL::close_socketlib();
_this->m_thread_kill=1;
return 0;
}
int JNL_AsyncDNS::resolve(char *hostname, unsigned long *addr)
{
// return 0 on success, 1 on wait, -1 on unresolvable
unsigned long ip=inet_addr(hostname);
if (ip != INADDR_NONE)
{
*addr=ip;
return 0;
}
if (lstrcmpi(m_hostname,hostname)) m_addr=0;
else if (m_addr == INADDR_NONE) return -1;
else if (m_addr)
{
*addr=m_addr;
return 0;
}
lstrcpy(m_hostname,hostname);
if (m_thread_kill)
{
DWORD id;
if (m_thread) return -1;
m_thread_kill=0;
m_thread=CreateThread(NULL,0,_threadfunc,(LPVOID)this,0,&id);
if (!m_thread) return -1;
}
return 1;
}