C++ tcp::endpoint类代码示例

	ipv6_peer::ipv6_peer(
		tcp::endpoint const& ep, bool c, int src
	)
		: torrent_peer(ep.port(), c, src)
		, addr(ep.address().to_v6().to_bytes())
	{
		is_v6_addr = true;
#if TORRENT_USE_I2P
		is_i2p_addr = false;
#endif
	}

		void set_peer(tcp::endpoint const& ep)
		{
#if TORRENT_USE_IPV6
			is_v6_addr = ep.address().is_v6();
			if (is_v6_addr)
				addr.v6 = ep.address().to_v6().to_bytes();
			else
#endif
				addr.v4 = ep.address().to_v4().to_bytes();
			port = ep.port();
		}

	void seedArm_service_impl::acceptWait(const std::string& addr, const std::string& port
		, size_t workerThreadsCount
		, const size_t keepAliveMilliseconds_GlobalValue)
	{
		if (0 == workerThreadsCount){
			workerThreadsCount = boost::thread::hardware_concurrency();
		}

		////////////////////////////////////////////////
		// set common keepAliveTime
		connection_impl::KEEP_ALIVE_TIME_MS = keepAliveMilliseconds_GlobalValue;



		using TCP = boost::asio::ip::tcp;

		////////////////////////////////////////////////
		// ready accpetor
		TCP::resolver resolver(_ios);
		TCP::resolver::query quary(addr, port);
		TCP::endpoint endpoint = *resolver.resolve(quary);

		_acceptor.open(endpoint.protocol());

		_acceptor.set_option(TCP::no_delay(true));
		_acceptor.set_option(TCP::acceptor::reuse_address(true));
		_acceptor.bind(endpoint);
		_acceptor.listen();

		_acceptConn = connection::ptr(new connection_impl(this, _ios), connection_impl::destruct);
		_acceptor.async_accept(_acceptConn->socket(), _strand.wrap(
			boost::bind(&seedArm_service_impl::accept, this, boost::asio::placeholders::error)));


		////////////////////////////////////////////////
		// ready worker
		for (size_t i = 0; i < workerThreadsCount; ++i)
		{
			boost::shared_ptr<boost::thread> thread(new boost::thread(
				boost::bind(&boost::asio::io_service::run, &_ios)));

			s_threads.push_back(thread);
		}


		////////////////////////////////////////////////
		// ready expireTimer
		_prevTime = boost::chrono::system_clock::now();
		_updater.expires_from_now(boost::posix_time::milliseconds(UPDATE_TIME_MS));

		_updater.async_wait(_strand.wrap(
			boost::bind(&seedArm_service_impl::update, this, boost::asio::placeholders::error)));
	}

    listener(
        boost::asio::io_context& ioc,
        tcp::endpoint endpoint)
        : acceptor_(ioc)
        , socket_(ioc)
    {
        boost::system::error_code ec;

        // Open the acceptor
        acceptor_.open(endpoint.protocol(), ec);
        if(ec)
        {
            fail(ec, "open");
            return;
        }

        // Bind to the server address
        acceptor_.bind(endpoint, ec);
        if(ec)
        {
            fail(ec, "bind");
            return;
        }

        // Start listening for connections
        acceptor_.listen(
            boost::asio::socket_base::max_listen_connections, ec);
        if(ec)
        {
            fail(ec, "listen");
            return;
        }
    }

bool TajoSyncClient::connect(const tcp::endpoint &endpoint,
        std::string &errmsg)
{
    boost::system::error_code ec;

    pImpl_->socket_.open(endpoint.protocol(), ec);

    if( !ec )
    {
        pImpl_->socket_.set_option(tcp::no_delay(true), ec);

        if( !ec )
        {
            pImpl_->socket_.connect(endpoint, ec);
        }
    }

    if( !ec )
    {
		pImpl_->state_ = TajoClientState::CONNECTED;
        return true;
    }
    else
    {
        errmsg = ec.message();
        return false;
    }
}

 void Server::Start(tcp::endpoint endpoint)
 {
     _acceptor.open(endpoint.protocol());
     _acceptor.set_option(tcp::acceptor::reuse_address(true));
     _acceptor.bind(endpoint);
     _acceptor.listen();
     
     _StartAccept();
     
     sLog.Info(LOG_STRATUM, "Stratum server started");
 }

	bool was_introduced_by(peer_plugin const* pp, tcp::endpoint const& ep)
	{
		ut_pex_peer_plugin const* p = static_cast<ut_pex_peer_plugin const*>(pp);
#if TORRENT_USE_IPV6
		if (ep.address().is_v4())
		{
#endif
			ut_pex_peer_plugin::peers4_t::value_type v(ep.address().to_v4().to_bytes(), ep.port());
			ut_pex_peer_plugin::peers4_t::const_iterator i
				= std::lower_bound(p->m_peers.begin(), p->m_peers.end(), v);
			return i != p->m_peers.end() && *i == v;
#if TORRENT_USE_IPV6
		}
		else
		{
			ut_pex_peer_plugin::peers6_t::value_type v(ep.address().to_v6().to_bytes(), ep.port());
			ut_pex_peer_plugin::peers6_t::const_iterator i
				= std::lower_bound(p->m_peers6.begin(), p->m_peers6.end(), v);
			return i != p->m_peers6.end() && *i == v;
		}
#endif
	}

    void run(unsigned sleepMillis)
    {
		std::cout << "in GUIMessageSenderThread: run "
                  << sleepMillis << "ms"
                  << std::endl;

		while (running_) {
			if (!connected_) {
				std::cout << "In GUIMessageSenderThread trying to connect to: " << host_ << " " << port_ << std::endl;
				//tcp::endpoint endpoint_(boost::asio::ip::address::from_string(host_), port_);
				//tcp::endpoint endpoint_(boost::asio::ip::address::from_string(host_), port_);
				endpoint_.address(boost::asio::ip::address::from_string(host_));
				endpoint_.port(port_);
				tcp::acceptor acceptor(*io_service_, endpoint_);

				getClientConnection(acceptor);
				try {
				
					sendMessages(sleepMillis);

					acceptor.close();
					stream_.clear();
					stream_.close();
				}
				catch (std::exception& e)
				{
					std::cerr << "GUIMessageSenderThread Error in connection: " << e.what() << std::endl;
				}
				connected_ = false;
				//boost::asio::deadline_timer timer(*io_service_,boost::posix_time::milliseconds(1000));
				//timer.expires_from_now(boost::posix_time::milliseconds(1000));
				//timer.wait();
			}
		}
		std::cout << "done GUIMessageSenderThread: run "
                  << sleepMillis << "ms"
                  << std::endl;
	}

	inline std::string print_endpoint(tcp::endpoint const& ep)
	{
		error_code ec;
		std::string ret;
		address const& addr = ep.address();
#if TORRENT_USE_IPV6
		if (addr.is_v6())
		{
			ret += '[';
			ret += addr.to_string(ec);
			ret += ']';
			ret += ':';
			ret += to_string(ep.port()).elems;
		}
		else
#endif
		{
			ret += addr.to_string(ec);
			ret += ':';
			ret += to_string(ep.port()).elems;
		}
		return ret;
	}

void worker::add_endpoint(tcp::endpoint& ep, bs::error_code& ec) {
    try {
        auto acceptor = tcp::acceptor(m_iosvc);
        acceptor.open(ep.protocol());
        acceptor.set_option(tcp::acceptor::reuse_address(true));
        acceptor.bind(ep);
        int backlog = options::opts["server.backlog"].as<int>();
        if (backlog == 0) {
            backlog = ba::socket_base::max_connections;
        }
        acceptor.listen(backlog);
        m_acceptors.push_back(std::move(acceptor));
    } catch (bs::system_error& e) {
        ec = e.code();
    }
}

    /** Open a listening port.

        @param ep The address and port to bind to.

        @param ec Set to the error, if any occurred.
    */
    void
    open(tcp::endpoint const& ep, error_code& ec)
    {
        acceptor_.open(ep.protocol(), ec);
        if(ec)
            return fail("open", ec);
        acceptor_.set_option(
            boost::asio::socket_base::reuse_address{true});
        acceptor_.bind(ep, ec);
        if(ec)
            return fail("bind", ec);
        acceptor_.listen(
            boost::asio::socket_base::max_connections, ec);
        if(ec)
            return fail("listen", ec);
        do_accept();
    }

    listener(
        boost::asio::io_context& ioc,
        ssl::context& ctx,
        tcp::endpoint endpoint)
        : ctx_(ctx)
        , acceptor_(ioc)
        , socket_(ioc)
    {
        boost::system::error_code ec;

        // Open the acceptor
        acceptor_.open(endpoint.protocol(), ec);
        if(ec)
        {
            fail(ec, "open");
            return;
        }

        // Allow address reuse
        acceptor_.set_option(boost::asio::socket_base::reuse_address(true), ec);
        if(ec)
        {
            fail(ec, "set_option");
            return;
        }

        // Bind to the server address
        acceptor_.bind(endpoint, ec);
        if(ec)
        {
            fail(ec, "bind");
            return;
        }

        // Start listening for connections
        acceptor_.listen(
            boost::asio::socket_base::max_listen_connections, ec);
        if(ec)
        {
            fail(ec, "listen");
            return;
        }
    }

static bool resolve_address_tcp(io_service &io, size_t chan, std::string host, unsigned short port, tcp::endpoint &ep)
{
	bool result = false;
	tcp::resolver resolver(io);
	error_code ec;

	tcp::resolver::query query(host, "");
	std::for_each(resolver.resolve(query, ec), tcp::resolver::iterator(),
			[&](const tcp::endpoint & q_ep) {
				ep = q_ep;
				ep.port(port);
				result = true;
				logDebug(PFXd "host %s resolved as %s", chan, host.c_str(), to_string_ss(ep).c_str());
			});

	if (ec) {
		logWarn(PFXd "resolve error: %s", chan, ec.message().c_str());
		result = false;
	}

	return result;
}

bool has_peer(peer_list const& p, tcp::endpoint const& ep)
{
	auto const its = p.find_peers(ep.address());
	return its.first != its.second;
}

	// 1. if the IP addresses are identical, hash the ports in 16 bit network-order
	//    binary representation, ordered lowest first.
	// 2. if the IPs are in the same /24, hash the IPs ordered, lowest first.
	// 3. if the IPs are in the ame /16, mask the IPs by 0xffffff55, hash them
	//    ordered, lowest first.
	// 4. if IPs are not in the same /16, mask the IPs by 0xffff5555, hash them
	//    ordered, lowest first.
	//
	// * for IPv6 peers, just use the first 64 bits and widen the masks.
	//   like this: 0xffff5555 -> 0xffffffff55555555
	//   the lower 64 bits are always unmasked
	//
	// * for IPv6 addresses, compare /32 and /48 instead of /16 and /24
	// 
	// * the two IP addresses that are used to calculate the rank must
	//   always be of the same address family
	//
	// * all IP addresses are in network byte order when hashed
	boost::uint32_t peer_priority(tcp::endpoint e1, tcp::endpoint e2)
	{
		TORRENT_ASSERT(e1.address().is_v4() == e2.address().is_v4());

		using std::swap;

		boost::uint32_t ret;
		if (e1.address() == e2.address())
		{
			if (e1.port() > e2.port())
				swap(e1, e2);
			boost::uint32_t p;
			reinterpret_cast<boost::uint16_t*>(&p)[0] = htons(e1.port());
			reinterpret_cast<boost::uint16_t*>(&p)[1] = htons(e2.port());
			ret = crc32c_32(p);
		}
#if TORRENT_USE_IPV6
		else if (e1.address().is_v6())
		{
			const static boost::uint8_t v6mask[][8] = {
				{ 0xff, 0xff, 0xff, 0xff, 0x55, 0x55, 0x55, 0x55 },
				{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x55, 0x55 },
				{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }
			};

			if (e1 > e2) swap(e1, e2);
			address_v6::bytes_type b1 = e1.address().to_v6().to_bytes();
			address_v6::bytes_type b2 = e2.address().to_v6().to_bytes();
			int mask = memcmp(&b1[0], &b2[0], 4) ? 0
				: memcmp(&b1[0], &b2[0], 6) ? 1 : 2;
			apply_mask(&b1[0], v6mask[mask], 8);
			apply_mask(&b2[0], v6mask[mask], 8);
			boost::uint64_t addrbuf[4];
			memcpy(&addrbuf[0], &b1[0], 16);
			memcpy(&addrbuf[2], &b2[0], 16);
			ret = crc32c(addrbuf, 4);
		}
#endif
		else
		{
			const static boost::uint8_t v4mask[][4] = {
				{ 0xff, 0xff, 0x55, 0x55 },
				{ 0xff, 0xff, 0xff, 0x55 },
				{ 0xff, 0xff, 0xff, 0xff }
			};

			if (e1 > e2) swap(e1, e2);
			address_v4::bytes_type b1 = e1.address().to_v4().to_bytes();
			address_v4::bytes_type b2 = e2.address().to_v4().to_bytes();
			int mask = memcmp(&b1[0], &b2[0], 2) ? 0
				: memcmp(&b1[0], &b2[0], 3) ? 1 : 2;
			apply_mask(&b1[0], v4mask[mask], 4);
			apply_mask(&b2[0], v4mask[mask], 4);
			boost::uint64_t addrbuf;
			memcpy(&addrbuf, &b1[0], 4);
			memcpy(reinterpret_cast<char*>(&addrbuf) + 4, &b2[0], 4);
			ret = crc32c(&addrbuf, 1);
		}

		return ret;
	}