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c2fd1215f5
* New tools for completion handlers: - wrap_handler provides composed io_service execution guarantees. - bind_handler rebinds arguments to handlers. - shared_handler type-erases any completion handler. - buffer_sequence type-erases templated BufferSequences - abstract_socket replaces Socket - socket_wrapper replaces SocketWrapper - beast::asio placeholders to work with std::bind * Removed obsolete classes and functions - AbstractHandler - ComposedAsyncOperation - SharedFunction - SharedHandler - SharedHandlerAllocator - SharedHandlerPtr - SharedHandlerType - SocketBase - SocketWrapperStrand - wrapHandler * Refactored classes to use new tools - abstract_socket - socket_wrapper - HandshakeDetector - HttpClientType * Miscellanous tidying - socket classes moved to beast::asio namespace - beast asio files provide their own namespace declaration. - Fix IsCallPossible conflicting template parameter name - Use <boost/get_pointer.hpp> for C++11 compatibility. - Remove extraneous include path from build environment.
133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_COMMON_MULTISOCKET_H_INCLUDED
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#define RIPPLE_COMMON_MULTISOCKET_H_INCLUDED
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#include "../beast/modules/beast_asio/beast_asio.h"
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namespace ripple {
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/** An abstract_socket that can handshake with multiple protocols. */
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class MultiSocket
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: public beast::asio::abstract_socket
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{
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public:
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// immutable flags
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struct Flag
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{
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enum Bit
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{
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peer = 0, // no handshaking. remaining flags ignored.
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client_role = 1, // operate in client role
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server_role = 2, // operate in server role
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proxy = 4, // client: will send PROXY handshake
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// server: PROXY handshake required
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ssl = 8, // client: will use ssl
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// server: will allow, but not require ssl
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ssl_required = 16 // client: ignored
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// server: will require ssl (ignores ssl flag)
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};
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Flag (int flags = 0) noexcept
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: m_flags (flags)
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{
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}
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Flag& operator= (int mask) noexcept
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{
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m_flags = mask;
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return *this;
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}
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bool operator== (Flag const& other) const noexcept
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{
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return m_flags == other.m_flags;
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}
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inline bool set (int mask) const noexcept
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{
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return (m_flags & mask) == mask;
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}
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inline bool any_set (int mask) const noexcept
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{
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return (m_flags & mask) != 0;
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}
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Flag with (int mask) const noexcept
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{
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return Flag (m_flags | mask);
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}
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Flag without (int mask) const noexcept
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{
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return Flag (m_flags & ~mask);
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}
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int asBits () const noexcept
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{
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return m_flags;
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}
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private:
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int m_flags;
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};
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enum Flags
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{
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none = 0,
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client_ssl = 1,
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server_ssl = 2,
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server_ssl_required = 4,
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server_proxy = 8
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};
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typedef beast::asio::HandshakeDetectLogicPROXY::ProxyInfo ProxyInfo;
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// Note that this returns the original flags
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virtual Flag getFlags () = 0;
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virtual beast::IP::Endpoint local_endpoint() = 0;
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virtual beast::IP::Endpoint remote_endpoint() = 0;
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virtual ProxyInfo getProxyInfo () = 0;
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/** Returns a pointer to the SSL handle or nullptr if no SSL. */
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virtual SSL* ssl_handle () = 0;
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// Caller owns the socket
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static MultiSocket* New (
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boost::asio::ip::tcp::socket& socket,
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boost::asio::ssl::context& ssl_context,
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int flags = 0);
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// Caller owns the io_service
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static MultiSocket* New (
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boost::asio::io_service& io_service,
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boost::asio::ssl::context& ssl_context,
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int flags = 0);
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};
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}
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#endif
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