/** Pull a full list of peers from vNodes into our cache */
void refreshPeers()
{
{
TRY_LOCK(cs_vNodes, lockNodes);
if (!lockNodes)
{
// skip the refresh if we can't immediately get the lock
return;
}
cachedNodeStats.clear();
#if QT_VERSION >= 0x040700
cachedNodeStats.reserve(vNodes.size());
#endif
Q_FOREACH (CNode* pnode, vNodes)
{
CNodeCombinedStats stats;
stats.nodeStateStats.nMisbehavior = 0;
stats.nodeStateStats.nSyncHeight = -1;
stats.nodeStateStats.nCommonHeight = -1;
stats.fNodeStateStatsAvailable = false;
pnode->copyStats(stats.nodeStats);
cachedNodeStats.append(stats);
}
}
void MasternodeManager::updateNodeList()
{
TRY_LOCK(cs_masternodes, lockMasternodes);
if(!lockMasternodes)
return;
ui->countLabel->setText("Updating...");
ui->tableWidget->clearContents();
ui->tableWidget->setRowCount(0);
BOOST_FOREACH(CMasterNode mn, vecMasternodes)
{
int mnRow = 0;
ui->tableWidget->insertRow(0);
// populate list
// Address, Rank, Active, Active Seconds, Last Seen, Pub Key
QTableWidgetItem *activeItem = new QTableWidgetItem(QString::number(mn.IsEnabled()));
QTableWidgetItem *addressItem = new QTableWidgetItem(QString::fromStdString(mn.addr.ToString()));
QTableWidgetItem *rankItem = new QTableWidgetItem(QString::number(GetMasternodeRank(mn.vin, pindexBest->nHeight)));
QTableWidgetItem *activeSecondsItem = new QTableWidgetItem(seconds_to_DHMS((qint64)(mn.lastTimeSeen - mn.now)));
QTableWidgetItem *lastSeenItem = new QTableWidgetItem(QString::fromStdString(DateTimeStrFormat(mn.lastTimeSeen)));
CScript pubkey;
pubkey =GetScriptForDestination(mn.pubkey.GetID());
CTxDestination address1;
ExtractDestination(pubkey, address1);
CBitcoinAddress address2(address1);
QTableWidgetItem *pubkeyItem = new QTableWidgetItem(QString::fromStdString(address2.ToString()));
ui->tableWidget->setItem(mnRow, 0, addressItem);
ui->tableWidget->setItem(mnRow, 1, rankItem);
ui->tableWidget->setItem(mnRow, 2, activeItem);
ui->tableWidget->setItem(mnRow, 3, activeSecondsItem);
ui->tableWidget->setItem(mnRow, 4, lastSeenItem);
ui->tableWidget->setItem(mnRow, 5, pubkeyItem);
}
void ClientModel::updateTimer()
{
// Get required lock upfront. This avoids the GUI from getting stuck on
// periodical polls if the core is holding the locks for a longer time -
// for example, during a wallet rescan.
TRY_LOCK(cs_main, lockMain);
if(!lockMain)
return;
// Some quantities (such as number of blocks) change so fast that we don't want to be notified for each change.
// Periodically check and update with a timer.
int newNumBlocks = getNumBlocks();
int newNumBlocksOfPeers = getNumBlocksOfPeers();
if(cachedNumBlocks != newNumBlocks || cachedNumBlocksOfPeers != newNumBlocksOfPeers)
{
cachedNumBlocks = newNumBlocks;
cachedNumBlocksOfPeers = newNumBlocksOfPeers;
// ensure we return the maximum of newNumBlocksOfPeers and newNumBlocks to not create weird displays in the GUI
emit numBlocksChanged(newNumBlocks, std::max(newNumBlocksOfPeers, newNumBlocks));
}
emit bytesChanged(getTotalBytesRecv(), getTotalBytesSent());
}
void CMasternode::Check(bool fForce)
{
LOCK(cs);
if(ShutdownRequested()) return;
if(!fForce && (GetTime() - nTimeLastChecked < MASTERNODE_CHECK_SECONDS)) return;
nTimeLastChecked = GetTime();
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state\n", vin.prevout.ToStringShort(), GetStateString());
//once spent, stop doing the checks
if(IsOutpointSpent()) return;
int nHeight = 0;
if(!fUnitTest) {
TRY_LOCK(cs_main, lockMain);
if(!lockMain) return;
CCoins coins;
if(!pcoinsTip->GetCoins(vin.prevout.hash, coins) ||
(unsigned int)vin.prevout.n>=coins.vout.size() ||
coins.vout[vin.prevout.n].IsNull()) {
nActiveState = MASTERNODE_OUTPOINT_SPENT;
LogPrint("masternode", "CMasternode::Check -- Failed to find Masternode UTXO, masternode=%s\n", vin.prevout.ToStringShort());
return;
}
nHeight = chainActive.Height();
}
if(IsPoSeBanned()) {
if(nHeight < nPoSeBanHeight) return; // too early?
// Otherwise give it a chance to proceed further to do all the usual checks and to change its state.
// Masternode still will be on the edge and can be banned back easily if it keeps ignoring mnverify
// or connect attempts. Will require few mnverify messages to strengthen its position in mn list.
LogPrintf("CMasternode::Check -- Masternode %s is unbanned and back in list now\n", vin.prevout.ToStringShort());
DecreasePoSeBanScore();
} else if(nPoSeBanScore >= MASTERNODE_POSE_BAN_MAX_SCORE) {
nActiveState = MASTERNODE_POSE_BAN;
// ban for the whole payment cycle
nPoSeBanHeight = nHeight + mnodeman.size();
LogPrintf("CMasternode::Check -- Masternode %s is banned till block %d now\n", vin.prevout.ToStringShort(), nPoSeBanHeight);
return;
}
int nActiveStatePrev = nActiveState;
bool fOurMasternode = fMasterNode && activeMasternode.pubKeyMasternode == pubKeyMasternode;
// masternode doesn't meet payment protocol requirements ...
bool fRequireUpdate = nProtocolVersion < mnpayments.GetMinMasternodePaymentsProto() ||
// or it's our own node and we just updated it to the new protocol but we are still waiting for activation ...
(fOurMasternode && nProtocolVersion < PROTOCOL_VERSION);
if(fRequireUpdate) {
nActiveState = MASTERNODE_UPDATE_REQUIRED;
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
return;
}
// keep old masternodes on start, give them a chance to receive updates...
bool fWaitForPing = !masternodeSync.IsMasternodeListSynced() && !IsPingedWithin(MASTERNODE_MIN_MNP_SECONDS);
if(fWaitForPing && !fOurMasternode) {
// ...but if it was already expired before the initial check - return right away
if(IsExpired() || IsWatchdogExpired() || IsNewStartRequired()) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state, waiting for ping\n", vin.prevout.ToStringShort(), GetStateString());
return;
}
}
// don't expire if we are still in "waiting for ping" mode unless it's our own masternode
if(!fWaitForPing || fOurMasternode) {
if(!IsPingedWithin(MASTERNODE_NEW_START_REQUIRED_SECONDS)) {
nActiveState = MASTERNODE_NEW_START_REQUIRED;
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
return;
}
bool fWatchdogActive = masternodeSync.IsSynced() && mnodeman.IsWatchdogActive();
bool fWatchdogExpired = (fWatchdogActive && ((GetTime() - nTimeLastWatchdogVote) > MASTERNODE_WATCHDOG_MAX_SECONDS));
LogPrint("masternode", "CMasternode::Check -- outpoint=%s, nTimeLastWatchdogVote=%d, GetTime()=%d, fWatchdogExpired=%d\n",
vin.prevout.ToStringShort(), nTimeLastWatchdogVote, GetTime(), fWatchdogExpired);
if(fWatchdogExpired) {
nActiveState = MASTERNODE_WATCHDOG_EXPIRED;
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
return;
}
if(!IsPingedWithin(MASTERNODE_EXPIRATION_SECONDS)) {
nActiveState = MASTERNODE_EXPIRED;
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
return;
}
}
if(lastPing.sigTime - sigTime < MASTERNODE_MIN_MNP_SECONDS) {
nActiveState = MASTERNODE_PRE_ENABLED;
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
return;
}
nActiveState = MASTERNODE_ENABLED; // OK
if(nActiveStatePrev != nActiveState) {
LogPrint("masternode", "CMasternode::Check -- Masternode %s is in %s state now\n", vin.prevout.ToStringShort(), GetStateString());
}
}
bool CMasternodeBroadcast::CheckInputsAndAdd(int& nDoS)
{
// we are a masternode with the same vin (i.e. already activated) and this mnb is ours (matches our Masternode privkey)
// so nothing to do here for us
if(fMasterNode && vin.prevout == activeMasternode.vin.prevout && pubkey2 == activeMasternode.pubKeyMasternode)
return true;
// search existing Masternode list
CMasternode* pmn = mnodeman.Find(vin);
if(pmn != NULL) {
// nothing to do here if we already know about this masternode and it's enabled
if(pmn->IsEnabled()) return true;
// if it's not enabled, remove old MN first and continue
else mnodeman.Remove(pmn->vin);
}
CValidationState state;
CMutableTransaction tx = CMutableTransaction();
CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
tx.vin.push_back(vin);
tx.vout.push_back(vout);
{
TRY_LOCK(cs_main, lockMain);
if(!lockMain) {
// not mnb fault, let it to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
if(!AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)) {
//set nDos
state.IsInvalid(nDoS);
return false;
}
}
LogPrint("masternode", "mnb - Accepted Masternode entry\n");
if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
LogPrintf("mnb - Input must have at least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
// maybe we miss few blocks, let this mnb to be checked again later
mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
masternodeSync.mapSeenSyncMNB.erase(GetHash());
return false;
}
// verify that sig time is legit in past
// should be at least not earlier than block when 1000 DASH tx got MASTERNODE_MIN_CONFIRMATIONS
uint256 hashBlock = 0;
CTransaction tx2;
GetTransaction(vin.prevout.hash, tx2, hashBlock, true);
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second)
{
CBlockIndex* pMNIndex = (*mi).second; // block for 1000 DASH tx -> 1 confirmation
CBlockIndex* pConfIndex = chainActive[pMNIndex->nHeight + MASTERNODE_MIN_CONFIRMATIONS - 1]; // block where tx got MASTERNODE_MIN_CONFIRMATIONS
if(pConfIndex->GetBlockTime() > sigTime)
{
LogPrintf("mnb - Bad sigTime %d for Masternode %20s %105s (%i conf block is at %d)\n",
sigTime, addr.ToString(), vin.ToString(), MASTERNODE_MIN_CONFIRMATIONS, pConfIndex->GetBlockTime());
return false;
}
}
LogPrintf("mnb - Got NEW Masternode entry - %s - %s - %s - %lli \n", GetHash().ToString(), addr.ToString(), vin.ToString(), sigTime);
CMasternode mn(*this);
mnodeman.Add(mn);
// if it matches our Masternode privkey, then we've been remotely activated
if(pubkey2 == activeMasternode.pubKeyMasternode && protocolVersion == PROTOCOL_VERSION){
activeMasternode.EnableHotColdMasterNode(vin, addr);
}
bool isLocal = addr.IsRFC1918() || addr.IsLocal();
if(Params().NetworkID() == CBaseChainParams::REGTEST) isLocal = false;
if(!isLocal) Relay();
return true;
}
/*
* TODO: The kernel doesn't have a 'down_timeout' function -- had to
* improvise. The process is to sleep for one scheduler quantum
* until the semaphore becomes available. Downside is that this
* may result in starvation for timeout-based waits when there's
* lots of semaphore activity.
*
* TODO: Support for units > 1?
*/
acpi_status
acpi_os_wait_semaphore(
acpi_handle handle,
u32 units,
u16 timeout)
{
acpi_status status = AE_OK;
sem_id *sem = (sem_id*)handle;
int ret = 0;
ACPI_FUNCTION_TRACE ("os_wait_semaphore");
// printk( "lock %i %i\n", *sem, get_semaphore_count( *sem ) );
if (!sem || (units < 1))
return_ACPI_STATUS (AE_BAD_PARAMETER);
if (units > 1)
return_ACPI_STATUS (AE_SUPPORT);
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout));
/* if (in_atomic())
timeout = 0;
*/
switch (timeout)
{
/*
* No Wait:
* --------
* A zero timeout value indicates that we shouldn't wait - just
* acquire the semaphore if available otherwise return AE_TIME
* (a.k.a. 'would block').
*/
case 0:
if(TRY_LOCK(*sem))
status = AE_TIME;
break;
/*
* Wait Indefinitely:
* ------------------
*/
case ACPI_WAIT_FOREVER:
LOCK(*sem);
break;
/*
* Wait w/ Timeout:
* ----------------
*/
default:
// TODO: A better timeout algorithm?
{
status = lock_semaphore( *sem, SEM_NOSIG, (bigtime_t)timeout * 1000 );
if (ret != 0)
status = AE_TIME;
}
break;
}
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Failed to acquire semaphore[%p|%d|%d], %s\n",
handle, units, timeout, acpi_format_exception(status)));
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquired semaphore[%p|%d|%d]\n", handle, units, timeout));
}
// printk("sem %i %i %i\n", *sem, timeout, status);
return_ACPI_STATUS (status);
}