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112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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*/
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//==============================================================================
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#ifndef RIPPLE_PEERSET_H
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#define RIPPLE_PEERSET_H
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/** A set of peers used to acquire data.
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A peer set is used to acquire a ledger or a transaction set.
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*/
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class PeerSet
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{
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public:
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uint256 const& getHash () const
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{
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return mHash;
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}
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bool isComplete () const
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{
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return mComplete;
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}
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bool isFailed () const
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{
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return mFailed;
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}
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int getTimeouts () const
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{
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return mTimeouts;
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}
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bool isActive ();
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void progress ()
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{
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mProgress = true;
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mAggressive = false;
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}
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bool isProgress ()
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{
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return mProgress;
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}
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void touch ()
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{
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mLastAction = UptimeTimer::getInstance ().getElapsedSeconds ();
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}
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int getLastAction ()
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{
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return mLastAction;
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}
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void peerHas (Peer::ref);
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void badPeer (Peer::ref);
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void setTimer ();
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int takePeerSetFrom (const PeerSet& s);
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int getPeerCount () const;
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virtual bool isDone () const
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{
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return mComplete || mFailed;
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}
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private:
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static void TimerEntry (boost::weak_ptr<PeerSet>, const boost::system::error_code& result);
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static void TimerJobEntry (Job&, boost::shared_ptr<PeerSet>);
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// VFALCO TODO try to make some of these private
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protected:
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PeerSet (uint256 const& hash, int interval);
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virtual ~PeerSet () { }
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virtual void newPeer (Peer::ref) = 0;
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virtual void onTimer (bool progress) = 0;
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virtual boost::weak_ptr<PeerSet> pmDowncast () = 0;
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void setComplete ()
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{
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mComplete = true;
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}
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void setFailed ()
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{
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mFailed = true;
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}
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void invokeOnTimer ();
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void sendRequest (const protocol::TMGetLedger& message);
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void sendRequest (const protocol::TMGetLedger& message, Peer::ref peer);
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protected:
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uint256 mHash;
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int mTimerInterval;
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int mTimeouts;
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bool mComplete;
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bool mFailed;
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bool mProgress;
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bool mAggressive;
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int mLastAction;
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boost::recursive_mutex mLock;
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// VFALCO TODO move the responsibility for the timer to a higher level
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boost::asio::deadline_timer mTimer;
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// VFALCO TODO Verify that these are used in the way that the names suggest.
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typedef uint64 PeerIdentifier;
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typedef int ReceivedChunkCount;
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boost::unordered_map <PeerIdentifier, ReceivedChunkCount> mPeers;
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};
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#endif
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