request.h

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// Request.h: interface for the Request class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_REQUEST_H__9F2C9BB6_CBA7_40AF_80A4_09A1CE1CE220__INCLUDED_)
#define AFX_REQUEST_H__9F2C9BB6_CBA7_40AF_80A4_09A1CE1CE220__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <winsock2.h>


// 内存缓冲区初始
#define MEM_BUFFER_SIZE 128

/* 
	HTTPRequest: Structure that returns the HTTP headers and message
					from the request
*/
typedef struct
{ 
    LPSTR headerSend;								// 送到服务器的HTTP Head信息
	LPSTR headerReceive;							// 接收到的服务器响应的HTTP Head信息
    LPSTR message;									// 接收到的服务器响应的HTTP Body
    long messageLength;								// HTTP消息主体的长度
} HTTPRequest;

/* 
	MemBuffer:	支持自增长的内存缓冲区
*/
typedef struct
{
    char* buffer;
    char* position;						// 记录下一个可用的字节
    size_t		size;
} MemBuffer;


class CRequest  
{
public:
	CRequest();
	virtual ~CRequest();

private:
	void MemBufferCreate(MemBuffer *b);
	void MemBufferGrow(MemBuffer *b);
	void MemBufferAddByte(MemBuffer *b, char byt);
	void MemBufferAddBuffer(MemBuffer *b, char *buffer, size_t size);
	DWORD GetHostAddress(LPCSTR host);
	void SendString(SOCKET sock,LPCSTR str);
	BOOL ValidHostChar(char ch);
	void ParseURL(LPCSTR url,LPSTR protocol,int lprotocol, LPSTR host,int lhost,LPSTR request,int lrequest,int *port);
	BOOL SendHTTP(LPCSTR url,char *post, DWORD postLength,HTTPRequest *req);
public:
	//BOOL SendRequest(bool IsPost, LPCSTR url, CString &psHeaderSend, CString &psHeaderReceive, CString &psMessage);	
	BOOL SendRequest(bool IsPost, LPCSTR url, const char* psHeaderSend, HTTPRequest* req);	
	void MemBufferFree(HTTPRequest *req);
};

#endif // !defined(AFX_REQUEST_H__9F2C9BB6_CBA7_40AF_80A4_09A1CE1CE220__INCLUDED_)