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145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
#include "webcc/socket.h"
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#include "boost/asio/connect.hpp"
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#include "boost/asio/read.hpp"
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#include "boost/asio/write.hpp"
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#include "webcc/logger.h"
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using boost::asio::ip::tcp;
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using namespace std::placeholders;
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namespace webcc {
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// -----------------------------------------------------------------------------
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Socket::Socket(boost::asio::io_context& io_context) : socket_(io_context) {
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}
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void Socket::AsyncConnect(const std::string& host, const Endpoints& endpoints,
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ConnectHandler&& handler) {
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boost::asio::async_connect(socket_, endpoints, std::move(handler));
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}
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void Socket::AsyncWrite(const Payload& payload, WriteHandler&& handler) {
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boost::asio::async_write(socket_, payload, std::move(handler));
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}
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void Socket::AsyncReadSome(ReadHandler&& handler, std::vector<char>* buffer) {
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socket_.async_read_some(boost::asio::buffer(*buffer), std::move(handler));
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}
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bool Socket::Shutdown() {
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boost::system::error_code ec;
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socket_.shutdown(tcp::socket::shutdown_both, ec);
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if (ec) {
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LOG_WARN("Socket shutdown error (%s)", ec.message().c_str());
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return false;
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}
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return true;
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}
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bool Socket::Close() {
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boost::system::error_code ec;
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socket_.close(ec);
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if (ec) {
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LOG_WARN("Socket close error (%s)", ec.message().c_str());
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return false;
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}
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return true;
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}
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// -----------------------------------------------------------------------------
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#if WEBCC_ENABLE_SSL
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namespace ssl = boost::asio::ssl;
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SslSocket::SslSocket(boost::asio::io_context& io_context,
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ssl::context& ssl_context)
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: ssl_stream_(io_context, ssl_context) {
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}
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void SslSocket::AsyncConnect(const std::string& host,
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const Endpoints& endpoints,
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ConnectHandler&& handler) {
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connect_handler_ = std::move(handler);
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// Modes `ssl::verify_fail_if_no_peer_cert` and `ssl::verify_client_once` are
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// for server only. `ssl::verify_none` is not secure.
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// See: https://stackoverflow.com/a/12621528
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ssl_stream_.set_verify_mode(ssl::verify_peer);
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// ssl::host_name_verification has been added since Boost 1.73 to replace
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// ssl::rfc2818_verification.
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#if BOOST_VERSION < 107300
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ssl_stream_.set_verify_callback(ssl::rfc2818_verification(host));
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#else
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ssl_stream_.set_verify_callback(ssl::host_name_verification(host));
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#endif // BOOST_VERSION < 107300
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boost::asio::async_connect(ssl_stream_.lowest_layer(), endpoints,
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std::bind(&SslSocket::OnConnect, this, _1, _2));
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}
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void SslSocket::AsyncWrite(const Payload& payload, WriteHandler&& handler) {
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boost::asio::async_write(ssl_stream_, payload, std::move(handler));
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}
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void SslSocket::AsyncReadSome(ReadHandler&& handler,
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std::vector<char>* buffer) {
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ssl_stream_.async_read_some(boost::asio::buffer(*buffer), std::move(handler));
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}
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bool SslSocket::Shutdown() {
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boost::system::error_code ec;
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ssl_stream_.lowest_layer().shutdown(tcp::socket::shutdown_both, ec);
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if (ec) {
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LOG_WARN("Socket shutdown error (%s)", ec.message().c_str());
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return false;
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}
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return true;
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}
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bool SslSocket::Close() {
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boost::system::error_code ec;
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ssl_stream_.lowest_layer().close(ec);
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if (ec) {
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LOG_WARN("Socket close error (%s)", ec.message().c_str());
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return false;
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}
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return true;
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}
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void SslSocket::OnConnect(boost::system::error_code ec,
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tcp::endpoint endpoint) {
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if (ec) {
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connect_handler_(ec, std::move(endpoint));
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return;
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}
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// Backup endpoint
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endpoint_ = std::move(endpoint);
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ssl_stream_.async_handshake(ssl::stream_base::client,
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[this](boost::system::error_code ec) {
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if (ec) {
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LOG_ERRO("Handshake error (%s)", ec.message().c_str());
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}
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connect_handler_(ec, std::move(endpoint_));
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});
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}
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#endif // WEBCC_ENABLE_SSL
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} // namespace webcc
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