Move MultiSocket, RippleSSLContext to common module

src/ripple/common/MultiSocket.h

@@ -0,0 +1,131 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2012, 2013 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef RIPPLE_COMMON_MULTISOCKET_H_INCLUDED
+#define RIPPLE_COMMON_MULTISOCKET_H_INCLUDED
+
+#include "../beast/modules/beast_asio/beast_asio.h"
+
+namespace ripple {
+
+/** A Socket that can handshake with multiple protocols. */
+class MultiSocket : public beast::Socket
+{
+public:
+    // immutable flags
+    struct Flag
+    {
+        enum Bit
+        {
+            peer = 0,           // no handshaking. remaining flags ignored.
+            client_role = 1,    // operate in client role
+            server_role = 2,    // operate in server role
+
+            proxy = 4,          // client: will send PROXY handshake
+                                // server: PROXY handshake required
+
+            ssl = 8,            // client: will use ssl
+                                // server: will allow, but not require ssl
+
+            ssl_required = 16   // client: ignored
+                                // server: will require ssl (ignores ssl flag)
+        };
+
+        Flag (int flags = 0) noexcept
+            : m_flags (flags)
+        {
+        }
+
+        Flag& operator= (int mask) noexcept
+        {
+            m_flags = mask;
+            return *this;
+        }
+
+        bool operator== (Flag const& other) const noexcept
+        {
+            return m_flags == other.m_flags;
+        }
+        
+        inline bool set (int mask) const noexcept
+        {
+            return (m_flags & mask) == mask;
+        }
+
+        inline bool any_set (int mask) const noexcept
+        {
+            return (m_flags & mask) != 0;
+        }
+
+        Flag with (int mask) const noexcept
+        {
+            return Flag (m_flags | mask);
+        }
+
+        Flag without (int mask) const noexcept
+        {
+            return Flag (m_flags & ~mask);
+        }
+
+        int asBits () const noexcept
+        {
+            return m_flags;
+        }
+
+    private:
+        int m_flags;
+    };
+ 
+    enum Flags
+    {
+        none = 0,
+        client_ssl = 1,
+        server_ssl = 2,
+        server_ssl_required = 4,
+        server_proxy = 8
+    };
+
+    typedef beast::HandshakeDetectLogicPROXY::ProxyInfo ProxyInfo;
+
+    // Note that this returns the original flags
+    virtual Flag getFlags () = 0;
+
+    virtual beast::IP::Endpoint local_endpoint() = 0;
+    virtual beast::IP::Endpoint remote_endpoint() = 0;
+    virtual ProxyInfo getProxyInfo () = 0;
+
+    /** Returns a pointer to the SSL handle or nullptr if no SSL. */
+    virtual SSL* ssl_handle () = 0;
+
+    // Caller owns the socket
+    static MultiSocket* New (
+        boost::asio::ip::tcp::socket& socket,
+            boost::asio::ssl::context& ssl_context,
+                int flags = 0);
+
+    // Caller owns the io_service
+    static MultiSocket* New (
+        boost::asio::io_service& io_service,
+            boost::asio::ssl::context& ssl_context,
+                int flags = 0);
+};
+
+}
+
+#endif