JuniorHighClient/SmartEvaluationLogic/CMyHttpClient.cpp

#include "StdAfx.h"
#include "CMyHttpClient.h"
#include <vector>
//#include "ShardMainWinHandle.h"
//#include "yazuoLog.h"

#define  BUFFER_SIZE       1024

#define  NORMAL_CONNECT             INTERNET_FLAG_KEEP_CONNECTION
#define  SECURE_CONNECT                NORMAL_CONNECT | INTERNET_FLAG_SECURE
#define  NORMAL_REQUEST             INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE 
#define  SECURE_REQUEST             NORMAL_REQUEST | INTERNET_FLAG_SECURE | INTERNET_FLAG_IGNORE_CERT_CN_INVALID

CMyHttpClient::CMyHttpClient(LPCTSTR strAgent)
	: MySendHeader(_T(""))
{
	m_pSession = new CInternetSession(strAgent);
	m_pConnection = NULL;
	m_pHttpFile = NULL;
}


CMyHttpClient::~CMyHttpClient(void)
{
	Clear();
	if (NULL != m_pSession)
	{
		m_pSession->Close();
		delete m_pSession;
		m_pSession = NULL;
	}
}

void CMyHttpClient::Clear()
{
	if (NULL != m_pHttpFile)
	{
		m_pHttpFile->Close();
		delete m_pHttpFile;
		m_pHttpFile = NULL;
	}

	if (NULL != m_pConnection)
	{
		m_pConnection->Close();
		delete m_pConnection;
		m_pConnection = NULL;
	}
}



int CMyHttpClient::HttpDownload(LPCTSTR strUrl, LPCTSTR strPostData, std::vector<char> &data)
{
	CString strServer;
	CString strObject;
	DWORD dwServiceType;
	INTERNET_PORT nPort;
	AfxParseURL(strUrl, dwServiceType, strServer, strObject, nPort);
	if (AFX_INET_SERVICE_HTTP != dwServiceType && AFX_INET_SERVICE_HTTPS != dwServiceType)
	{
		return FAILURE;
	}
	try
	{
		m_pConnection = m_pSession->GetHttpConnection(strServer, dwServiceType == AFX_INET_SERVICE_HTTP ? NORMAL_CONNECT : SECURE_CONNECT, nPort);
		m_pHttpFile = m_pConnection->OpenRequest(_T("GET"), strObject, NULL, 1, NULL, NULL, (dwServiceType == AFX_INET_SERVICE_HTTP ? NORMAL_REQUEST : SECURE_REQUEST));
		m_pHttpFile->AddRequestHeaders((CString)"Accept: *,*/*");
		m_pHttpFile->AddRequestHeaders((CString)"Accept-Language: zh-cn");
		m_pHttpFile->AddRequestHeaders((CString)"Content-Type: application/x-www-form-urlencoded");
		if (MySendHeader != "")
		{
			CString temp;
			temp.Format(_T("mysiginfo:%s"), MySendHeader);
			m_pHttpFile->AddRequestHeaders(temp);
		}
		m_pHttpFile->SendRequest(NULL, 0, NULL, 0);
		UINT nReaded = 0;
		UINT nTotalCount = 0;
		char  szChars[BUFFER_SIZE];
		while ((nReaded = m_pHttpFile->Read((void*)szChars, BUFFER_SIZE))>0){
			int oldSize = data.size();
			int newSzie = oldSize + nReaded;
			if (data.capacity()<newSzie){
				data.reserve(data.capacity() + 1024 * 512);
			}
			data.resize(newSzie);
			memcpy(data.data() + oldSize, szChars, nReaded);
		}
		Clear();
	}
	catch (CInternetException* e)
	{
		Clear();
		DWORD dwErrorCode = e->m_dwError;
		e->Delete();
		DWORD dwError = GetLastError();
		if (ERROR_INTERNET_TIMEOUT == dwErrorCode)
		{
			return OUTTIME;
		}
		else
		{
			return FAILURE;
		}
	}
	return SUCCESS;
}


int CMyHttpClient::SetSendHeader(CString send)
{
	MySendHeader = send;
	return SUCCESS;
}

boost::shared_ptr<CMyHttpClient> CMyHttpClient::GetInstance()
{
	static boost::shared_ptr<CMyHttpClient> instance_(new CMyHttpClient);
	return instance_;
}