/*******************************************************************************
?*?（C）?Copyright?2008?Giant?Electronics?LTD?
?*?
?*?These?computer?program?listings?and?specifications?are?the?property?of?Giant?
?*?Electronics?LTD?and?shall?not?be?reproduced?or?copied?or?used?in?whole?or?in?
?*?part?without?written?permission?from?Giant?Electronics?LTD?.
?*
?*?Project:??????IViewer?
?*?File?Name:	ClientHTTP.cpp
?*?Programer（s）:	Ben?Zhan
?*?Created:??????20080729?
?*?Description:	implementation?of?encapsulating?HTTP?protocol
?*?This?class?encapsulates?HTTP?protocol?and?provides?the?functionality?to?request?
?and?read?files?on?an?HTTP?server.
?*******************************************************************************/
#include?“stdafx.h“
#include?“ClientHTTP.h“

#ifdef?_DEBUG
#undef?THIS_FILE
static?char?THIS_FILE[]=__FILE__;
#define?new?DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CClientHTTP::CClientHTTP（）
{	
}

CClientHTTP::~CClientHTTP（）
{
}

//*******************************************************************************************************???
//???ValidHostChar:?????
//?Return???TRUE???if???the???specified???character???is???valid???
//?for???a???host???name???i.e.???A-Z???or???0-9???or???-.:?????
//*******************************************************************************************************???
BOOL???CClientHTTP::ValidHostChar（TCHAR???ch）???
{???
????return（???iswalpha（ch）???||???iswdigit（ch）||???ch==（‘-‘）???||???ch==（‘.‘）???||???ch==（‘:‘）???）;
}

void???CClientHTTP::ParseURL（LPCSTR???urlLPSTR???protocolint???lprotocolLPSTR???hostint???lhostLPSTR???requestint???lrequestint???*port）???
{???
????LPSTR???workptrptr2;
????//added?by?bpan
????//reason:?to?avoid?buffer?overflow
????//2008/09/29
????int?iMinLen;?
????*protocol?=?*host?=?*request?=?0;???
????*port=80;

????work???=???_strdup（url）;
????//	_strupr（work）;??

????ptr???=???strchr（work‘:‘）;?//???find???protocol???if???any???
????if（ptr!=NULL）???
????{???
	*（ptr++）???=???0;
	iMinLen?=?min（lprotocol-1?strlen（work））;
	strncpy（protocolwork?iMinLen）;
????}???
????else???
????{???
	iMinLen?=?min（lprotocol?-1?4）;
	strncpy（protocol“HTTP“?iMinLen）;
	ptr???=???work;???
????}???
????protocol[iMinLen]?=?TCHAR（‘\0‘）;

????if（???（*ptr==‘/‘）???&&???（*（ptr+1）==‘/‘）???）?//???skip???past???opening???/‘s?????
	ptr+=2;???

????ptr2???=???ptr;?//???find???host???
????while（???ValidHostChar（*ptr2）???&&???*ptr2???）???
	ptr2++;???

????*ptr2=0;???
????iMinLen?=?min（lhost?-1?strlen（ptr））;
????strncpy（hostptr?iMinLen）;
????host[iMinLen]?=?TCHAR（‘\0‘）;
????//lstrcpyn（hostptrlhost）;???
????iMinLen?=?min（lrequest?-1?strlen（url?+?（ptr2?-?work）））;?
????strncpy（requesturl+（ptr2-work）?iMinLen）;?//???find???the???request???
????request[iMinLen]?=?TCH

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????14049??2009-03-24?14:03??ClientHTTP.cpp

?????文件???????3377??2009-03-24?14:03??ClientHTTP.h

?????文件???????8118??2009-03-24?14:03??ClientSocket.cpp

?????文件???????2584??2009-03-24?14:03??ClientSocket.h

?????文件???????2268??2009-03-24?14:03??DaemonThread.h

?????文件??????20526??2009-03-24?14:03??Internet.cpp

?????文件???????9685??2009-03-24?14:03??Internet.h

-----------?---------??----------?-----??----

????????????????60607????????????????????7