danicoin/src/Rpc/HttpClient.cpp
2016-01-18 15:33:29 +00:00

77 lines
1.8 KiB
C++

// Copyright (c) 2011-2016 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "HttpClient.h"
#include <HTTP/HttpParser.h>
#include <System/Ipv4Resolver.h>
#include <System/Ipv4Address.h>
#include <System/TcpConnector.h>
namespace CryptoNote {
HttpClient::HttpClient(System::Dispatcher& dispatcher, const std::string& address, uint16_t port) :
m_dispatcher(dispatcher), m_address(address), m_port(port) {
}
HttpClient::~HttpClient() {
if (m_connected) {
disconnect();
}
}
void HttpClient::request(const HttpRequest &req, HttpResponse &res) {
if (!m_connected) {
connect();
}
try {
std::iostream stream(m_streamBuf.get());
HttpParser parser;
stream << req;
stream.flush();
parser.receiveResponse(stream, res);
} catch (const std::exception &) {
disconnect();
throw;
}
}
void HttpClient::connect() {
try {
auto ipAddr = System::Ipv4Resolver(m_dispatcher).resolve(m_address);
m_connection = System::TcpConnector(m_dispatcher).connect(ipAddr, m_port);
m_streamBuf.reset(new System::TcpStreambuf(m_connection));
m_connected = true;
} catch (const std::exception& e) {
throw ConnectException(e.what());
}
}
bool HttpClient::isConnected() const {
return m_connected;
}
void HttpClient::disconnect() {
m_streamBuf.reset();
try {
m_connection.write(nullptr, 0); //Socket shutdown.
} catch (std::exception&) {
//Ignoring possible exception.
}
try {
m_connection = System::TcpConnection();
} catch (std::exception&) {
//Ignoring possible exception.
}
m_connected = false;
}
ConnectException::ConnectException(const std::string& whatArg) : std::runtime_error(whatArg.c_str()) {
}
}