Create a WebSocket secure access (WSS) client using the Poco C + + library

Source: Internet
Author: User

Poco WebSocket Library Features:

1, create WebSocket client using Http/https clientsession

2, is synchronized, this should be sufficient for C + + desktop programming.

3, rely on OpenSSL.

The code is as follows
#include "stdafx.h"


#include <iostream>


#include <assert.h>


 


#include "poco/net/websocket.h"


#include "Poco/net/httpclientsession.h"


#include "poco/net/httprequest.h"


#include "poco/net/httpresponse.h"


#include "poco/net/serversocket.h"


#include "Poco/net/netexception.h"


#include "Poco/exception.h"


#include "Poco/net/httpsclientsession.h"


 


#include "poco/uristreamopener.h"


#include "poco/streamcopier.h"


#include "poco/path.h"


#include "poco/uri.h"


#include "poco/sharedptr.h"


#include "Poco/exception.h"


#include "poco/net/httpstreamfactory.h"


#include "poco/net/httpsstreamfactory.h"


#include "poco/net/ftpstreamfactory.h"


#include "poco/net/sslmanager.h"


#include "poco/net/keyconsolehandler.h"


#include "poco/net/consolecertificatehandler.h"


#include "poco/net/acceptcertificatehandler.h"


#include "poco/net/securestreamsocket.h"


#include "poco/net/x509certificate.h"


#include <memory>


 


using Poco::net::httpsclientsession;


using Poco::net::httpclientsession;


using Poco::net::httprequest;


using Poco::net::httpresponse;


using Poco::net::httpserverrequest;


using Poco::net::httpserverresponse;


Using Poco::net::websocket;


using Poco::net::websocketexception;


using Poco::exception;


 


using Poco::uristreamopener;


using Poco::streamcopier;


using Poco::P ath;


using Poco::uri;


using Poco::sharedptr;


using Poco::exception;


using Poco::net::httpstreamfactory;


using Poco::net::httpsstreamfactory;


using Poco::net::ftpstreamfactory;


using Poco::net::sslmanager;


using Poco::net::context;


using Poco::net::keyconsolehandler;


using poco::net::P rivatekeypassphrasehandler;


using Poco::net::invalidcertificatehandler;


using Poco::net::consolecertificatehandler;


using Poco::net::acceptcertificatehandler;


using Poco::net::x509certificate;


 





 


int main (int argc, _tchar* argv[])


{


Char buffer[1024];


int flags;


int n;


std::string payload;


     


Try


    {


         


Poco::net::initializessl ();


 


sharedptr<invalidcertificatehandler> Pcert = new Consolecertificatehandler (false); Ask the user via console


Context::P TR PContext = new context (Context::tlsv1_client_use, "", "", "Rootcert.pem", context::verify_relaxed, 9, False , "all:! Adh:! low:! Exp:! MD5: @STRENGTH ");


sslmanager::instance (). Initializeclient (0, Pcert, pContext);


         


httpsclientsession cs ("echo.websocket.org", 443);


HttpRequest request (Httprequest::http_get, "/", "http/1.1");


HttpResponse response;


std::string cmd;


 


WebSocket * ws = new WebSocket (CS, request, response); Causes the timeout





payload = "Shakethand";


Ws->sendframe (Payload.data (), Payload.size (), websocket::frame_text);


n = ws->receiveframe (buffer, sizeof (buffer), flags);


         


std::cout<< "return:" <<std::string (buffer,n) << "\ n";


Ws->shutdown ();


         


    }


     


catch (poco::exception& ex)


    {


Std::cout << "Error: <<__FILE__<<": "<<__LINE__<<": "<< Ex.displaytext () <   < "\ n";


return-1;


    }


return 0;


     


}

WS client creation is no longer redundant, and there are examples from the authorities.

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