Files
rippled/modules/ripple_app/network/WSDoor.cpp
2013-07-29 13:30:05 -07:00

117 lines
3.3 KiB
C++

//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================
SETUP_LOG (WSDoor)
//
// This is a light weight, untrusted interface for web clients.
// For now we don't provide proof. Later we will.
//
// Might need to support this header for browsers: Access-Control-Allow-Origin: *
// - https://developer.mozilla.org/en-US/docs/HTTP_access_control
//
//
// Strategy:
// - We only talk to NetworkOPs (so we will work even in thin mode)
// - NetworkOPs is smart enough to subscribe and or pass back messages
//
// VFALCO NOTE NetworkOPs isn't used here...
//
WSDoor::WSDoor (std::string const& strIp, int iPort, bool bPublic)
: Thread ("websocket")
, mPublic (bPublic)
, mIp (strIp)
, mPort (iPort)
{
startThread ();
}
WSDoor::~WSDoor ()
{
{
CriticalSection::ScopedLockType lock (m_endpointLock);
if (m_endpoint != nullptr)
m_endpoint->stop ();
}
signalThreadShouldExit ();
waitForThreadToExit ();
}
void WSDoor::run ()
{
WriteLog (lsINFO, WSDoor) << boost::str (boost::format ("Websocket: %s: Listening: %s %d ")
% (mPublic ? "Public" : "Private")
% mIp
% mPort);
// Generate a single SSL context for use by all connections.
boost::shared_ptr<boost::asio::ssl::context> mCtx;
mCtx = boost::make_shared<boost::asio::ssl::context> (boost::asio::ssl::context::sslv23);
mCtx->set_options (
boost::asio::ssl::context::default_workarounds
| boost::asio::ssl::context::no_sslv2
| boost::asio::ssl::context::single_dh_use);
SSL_CTX_set_tmp_dh_callback (mCtx->native_handle (), handleTmpDh);
websocketpp::server_autotls::handler::ptr handler (new WSServerHandler<websocketpp::server_autotls> (mCtx, mPublic));
{
CriticalSection::ScopedLockType lock (m_endpointLock);
m_endpoint = new websocketpp::server_autotls (handler);
}
// mEndpoint->alog().unset_level(websocketpp::log::alevel::ALL);
// mEndpoint->elog().unset_level(websocketpp::log::elevel::ALL);
// Call the main-event-loop of the websocket server.
try
{
m_endpoint->listen (
boost::asio::ip::tcp::endpoint (
boost::asio::ip::address ().from_string (mIp), mPort));
}
catch (websocketpp::exception& e)
{
WriteLog (lsWARNING, WSDoor) << "websocketpp exception: " << e.what ();
while (1) // temporary workaround for websocketpp throwing exceptions on access/close races
{
// https://github.com/zaphoyd/websocketpp/issues/98
try
{
m_endpoint->get_io_service ().run ();
break;
}
catch (websocketpp::exception& e)
{
WriteLog (lsWARNING, WSDoor) << "websocketpp exception: " << e.what ();
}
}
}
delete m_endpoint;
}
void WSDoor::stop ()
{
{
CriticalSection::ScopedLockType lock (m_endpointLock);
if (m_endpoint != nullptr)
m_endpoint->stop ();
}
signalThreadShouldExit ();
waitForThreadToExit ();
}