/*************************************************************************
??????????????????Copyright?（C）?2012???Shanghai?Surfing
????????????????????????????????All?Rights?Reserved
??????????????????????????????????????R&D?Dept.????????????????????????????????????????????
*************************************************************************/
/*************************************************************************

Filename:?????????	basic_func.cpp

Description:????	basic??Function?Define?Source?File.

Author:??????????		gaoyang

Date:?????????????	2012-11-17?

Version:???		V1.0.0

Modified:??????

*************************************************************************/
#include?“basic_func.h“


using?namespace?pure_baselib;
using?namespace?pure_livegw;


CBasic_func::CBasic_func（）
{
	m_port?=0;
	memset（m_ipaddr0MAX_HEADER_SIZE）;
	m_client_fd=NULL;
	m_phostent=NULL;
	m_bconnected=false;
}


CBasic_func::~CBasic_func（）
{


}

//A-Za-z0-9這些字符的識別
s32?CBasic_func::hex_it（s8?c）?
{
	if?（c?>=?‘0‘?&&?c?<=?‘9‘）
		return?c?-?‘0‘;
	else?if?（c?>=?‘a(chǎn)‘?&&?c?<=?‘f‘）
		return?c?-?‘a(chǎn)‘?+?10;
	else?if?（c?>=?‘A‘?&&?c?<=?‘F‘）
		return?c?-?‘A‘?+?10;
	else
		return?0;
}

//字符檢查，看送進(jìn)來的一行請求信息是否合法
s32?CBasic_func::sanitize_file（const?s8?*i_pbuf）?
{
	s32?len?i;

	//Don‘t?accept?anything?not?starting?with?a?/?
	if?（*i_pbuf?!=?‘/‘）?
		return?0;

	len?=?strlen（i_pbuf）;
	for?（i?=?0;?i?	{
		//Check?for?“/.“?i.e.?don‘t?send?files?starting?with?a?.
		if?（i_pbuf[i]?==?‘/‘?&&?i_pbuf[i+1]?==?‘.‘）?
			return?0;
	}
	return?1;
}

//字符檢查，返回host地址。
s32?CBasic_func::sanitize_host（s8?*i_pbuf）
{
	while?（*i_pbuf?!=?‘\0‘）?
	{
		//Handle?the?port?
		if?（*i_pbuf?==?‘:‘）?
		{
			*i_pbuf?=?‘\0‘;
			return?1;
		}

		//Enforce?some?basic?URL?rules...?
		if?（（isalnum（*i_pbuf）?==?0?&&?*i_pbuf?!=?‘-‘?&&?*i_pbuf?!=?‘.‘）?||（*i_pbuf?==?‘.‘?&&?*（i_pbuf+1）?==?‘.‘）?||
			（*i_pbuf?==?‘.‘?&&?*（i_pbuf+1）?==?‘-‘）?||（*i_pbuf?==?‘-‘?&&?*（i_pbuf+1）?==?‘.‘））
			return?0;

		i_pbuf++;
	}

????return?1;
}

//封裝了strncpy（）防止出現(xiàn)非‘\0‘結(jié)尾的字符串帶來的問題
s8?*CBasic_func::my_strncpy（s8?*o_pdest?const?s8?*i_psrc?size_t?n）?
{
	strncpy（o_pdest?i_psrc?n）;
	o_pdest[n-1]?=?‘\0‘;
	return?o_pdest;
}


//socket?讀寫函數(shù)
s32?CBasic_func::special_read（s32?i_fd?void?*i_pbuf?size_t?i_count）
{
	s32?res;
	res?=?read（i_fd?i_pbuf?i_count）;//
	return?res;
}

s32?CBasic_func::special_write（s32?i_fdconst?s8?*i_pbuf?size_t?i_count）
{
	return?write（i_fd?i_pbuf?i_count）;//
}


//判斷tpbuf代表的路徑是否是目錄
s32?CBasic_func::isdir（const?s8?*i_pbuf）?
{
	//printf（“%s???%d??i_pbuf=%s\n“__func____LINE__i_pbuf）;
	struct?stat?st;
	s8?path[MAXREQUESTLENGTH];
	strcpy（path?i_pbuf）;

	if?（stat（path?&st）?==?-1）?
	{
		//printf（“%s???%d??not?dir\n“__func____LINE__）;
		return?0;
	}

	if?（（st.st_mode?&?S_IFMT）?==?S_IFDIR）?
	{
		//printf（“%s???%d??is??dir\n“__func____LINE__）;
		return?1;
	}
	return?0;

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

?????文件???????1076??2013-01-15?10:47??speex2aac\makefile

?????文件?????162392??2013-01-09?22:39??speex2aac\full.spx

????.......?????29984??2013-01-15?10:50??speex2aac\obj\basic_func.o

????.......?????63312??2013-01-15?10:50??speex2aac\obj\pure_speex.o

????.......?????21752??2013-01-15?10:50??speex2aac\obj\mem_pool.o

?????文件???????9883??2012-12-22?12:01??speex2aac\src\mem_pool.cpp

?????文件??????26785??2013-01-15?10:48??speex2aac\src\pure_speex.cpp

?????文件??????11843??2012-12-21?16:24??speex2aac\src\basic_func.cpp

????.......????237348??2013-01-15?10:51??speex2aac\out.aac

?????文件???????2491??2012-12-21?16:24??speex2aac\include\basic_func.h

?????文件???????3168??2012-12-22?06:34??speex2aac\include\basic_type.h

?????文件??????13011??2013-01-15?09:31??speex2aac\include\pure_speex.h

?????文件????????717??2012-12-20?15:41??speex2aac\include\c_headers.h

?????文件???????1799??2012-12-22?12:01??speex2aac\include\mem_pool.h

?????文件???????4353??2012-12-22?06:38??speex2aac\include\basic_define.h

?????文件??????77172??2013-01-15?10:50??speex2aac\sbin\speex_to_aac

?????目錄??????????0??2013-01-15?10:50??speex2aac\obj

?????目錄??????????0??2013-01-15?10:49??speex2aac\src

?????目錄??????????0??2013-01-15?10:49??speex2aac\include

?????目錄??????????0??2013-01-15?10:50??speex2aac\sbin

?????目錄??????????0??2013-01-15?10:51??speex2aac

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

???????????????667086????????????????????21