Files
xahaud/modules/ripple_app/tx/TransactionQueue.cpp
2013-07-23 18:47:02 -07:00

111 lines
2.5 KiB
C++

//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================
void TXQEntry::addCallbacks (const TXQEntry& otherEntry)
{
BOOST_FOREACH (const stCallback & callback, otherEntry.mCallbacks)
mCallbacks.push_back (callback);
}
void TXQEntry::doCallbacks (TER result)
{
BOOST_FOREACH (const stCallback & callback, mCallbacks)
callback (mTxn, result);
}
bool TXQueue::addEntryForSigCheck (TXQEntry::ref entry)
{
// we always dispatch a thread to check the signature
boost::mutex::scoped_lock sl (mLock);
if (!mTxMap.insert (valueType (entry->getID (), entry)).second)
{
if (!entry->mCallbacks.empty ())
mTxMap.left.find (entry->getID ())->second->addCallbacks (*entry);
return false;
}
return true;
}
bool TXQueue::addEntryForExecution (TXQEntry::ref entry)
{
boost::mutex::scoped_lock sl (mLock);
entry->mSigChecked = true;
std::pair<mapType::iterator, bool> it = mTxMap.insert (valueType (entry->getID (), entry));
if (!it.second)
{
// There was an existing entry
it.first->right->mSigChecked = true;
if (!entry->mCallbacks.empty ())
it.first->right->addCallbacks (*entry);
}
if (mRunning)
return false;
mRunning = true;
return true; // A thread needs to handle this account
}
TXQEntry::pointer TXQueue::removeEntry (uint256 const& id)
{
TXQEntry::pointer ret;
boost::mutex::scoped_lock sl (mLock);
mapType::left_map::iterator it = mTxMap.left.find (id);
if (it != mTxMap.left.end ())
{
ret = it->second;
mTxMap.left.erase (it);
}
return ret;
}
void TXQueue::getJob (TXQEntry::pointer& job)
{
boost::mutex::scoped_lock sl (mLock);
assert (mRunning);
if (job)
mTxMap.left.erase (job->getID ());
mapType::left_map::iterator it = mTxMap.left.begin ();
if (it == mTxMap.left.end () || !it->second->mSigChecked)
{
job.reset ();
mRunning = false;
}
else
job = it->second;
}
bool TXQueue::stopProcessing (TXQEntry::ref finishedJob)
{
// returns true if a new thread must be dispatched
boost::mutex::scoped_lock sl (mLock);
assert (mRunning);
mTxMap.left.erase (finishedJob->getID ());
mapType::left_map::iterator it = mTxMap.left.begin ();
if ((it != mTxMap.left.end ()) && it->second->mSigChecked)
return true;
mRunning = false;
return false;
}