How communicate webservice under the MFC.

ReadResponse.cpp

#include <afxinet.h>

void HTTPSample::ReadResponse()
{
	CString url = _T("http://localhost:8080/getSampleResponse/somebinary.bin");
	CString server, object;
	INTERNET_PORT port;
	DWORD serviceType;
	::AfxParseURL(url, serviceType, server, object, port);

	CInternetSession session;
	CHttpConnection* pConnection = session.GetHttpConnection(server, port);
	CHttpFile* pFile = pConnection->OpenRequest(CHttpConnection::HTTP_VERB_GET, object);

	DWORD statusCode = 0;
	pFile->SendRequest();
	pFile->QueryInfoStatusCode(statusCode);

	if(statusCode == HTTP_STATUS_BAD_REQUEST || statusCode == HTTP_STATUS_SERVER_ERROR)
	{
		delete pFile;
		delete pConnection;
		ASSERT(FALSE);
	}

	CHAR buffer[512];
	SecureZeroMemory(buffer, sizeof(buffer));

	CStdioFile writeFile;
	writeFile.Open(_T(".\\hoge.bin"), CFile::modeCreate | CFile::modeWrite |CFile::typeBinary);

	INT readSize = 0;

	// Save response to the file.
	do
	{
		readSize = pFile->Read(buffer, sizeof(buffer));
		writeFile.Write(buffer, readSize);
		SecureZeroMemory(buffer, sizeof(buffer));
	} while (readSize > 0);

	writeFile.Close();
	delete pFile;
	delete pConnection;
}

SendRequest.cpp

#include <afxinet.h>

void HTTPSample::SendRequest()
{
	CString url = _T("http://localhost:8080/postSample");
	CString server, object;
	INTERNET_PORT port;
	DWORD serviceType;
	::AfxParseURL(url, serviceType, server, object, port);

	CString header = _T("Content-Type: application/octet-stream");

	CInternetSession session;
	CHttpConnection* pConnection = session.GetHttpConnection(server, port);
	CHttpFile* pFile = pConnection->OpenRequest(CHttpConnection::HTTP_VERB_POST, object);
	pFile->AddRequestHeaders(header);
  
	// It is necessary to load the data to the following variable.
	char* buffer = new char[1024];
  
	pFile->SendRequestEx((DWORD)sizeof(buffer));
	pFile->Write((LPCTSTR)buffer, (UINT)sizeof(buffer));
	pFile->EndRequest();
}

webSample.py

# -*- coding:utf-8 -*-

from bottle import route, run, request, HTTPResponse
import os

@route('/hello')
def hello():
    return "Hello World!"

@route('/postSample', method='POST')
def postSample():

    f = open('hogehoge', 'w+b')
    for packet in request.body:
        f.write(packet)
    f.close()

@route('/getSampleResponse/<name>', method='GET')
def getSampleResponse(name):

    with open('./' + name, 'rb') as fh:
        content = fh.read()

    res = HTTPResponse(status=200, body=content)
    res.content_type = 'application/octet-stream'
    res.set_header('Content-Length', str(len(content)))
    res.set_header('Cache-Control', 'no-cache')

    return res

run(host='localhost', port=8080, debug=True, reloader=True)