public BlockingCollectionWorker(string name, bool isConcurrent, Logger logger)
{
this.name = name;
this.isConcurrent = isConcurrent;
this.logger = logger;
this.queueWorker = new WorkerMethod(name, WorkAction, initialNotify: false, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.MaxValue, logger: logger);
this.queueWorker.Start();
}
public CoreDaemon(ICoreRules rules, IStorageManager storageManager)
{
this.rules = rules;
this.storageManager = storageManager;
coreStorage = new CoreStorage(storageManager);
// create chain state builder
chainStateBuilder = new ChainStateBuilder(this.rules, coreStorage, this.storageManager);
// create unconfirmed txes builder
unconfirmedTxesBuilder = new UnconfirmedTxesBuilder(this, coreStorage, this.storageManager);
// create workers
targetChainWorker = new TargetChainWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(30)),
ChainParams, coreStorage);
chainStateWorker = new ChainStateWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
targetChainWorker, chainStateBuilder, this.rules, coreStorage);
unconfirmedTxesWorker = new UnconfirmedTxesWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
chainStateWorker, unconfirmedTxesBuilder, coreStorage);
pruningWorker = new PruningWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromMinutes(5)),
this, this.storageManager, chainStateWorker);
defragWorker = new DefragWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5)),
this.storageManager);
gcWorker = new WorkerMethod("GC Worker", GcWorker,
initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5));
utxoScanWorker = new WorkerMethod("UTXO Scan Worker", UtxoScanWorker,
initialNotify: true, minIdleTime: TimeSpan.FromSeconds(60), maxIdleTime: TimeSpan.FromSeconds(60));
statsWorker = new StatsWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(0), maxIdleTime: TimeSpan.MaxValue),
this);
// wire events
chainStateWorker.BlockMissed += HandleBlockMissed;
targetChainWorker.OnTargetChainChanged += HandleTargetChainChanged;
chainStateWorker.OnChainStateChanged += HandleChainStateChanged;
pruningWorker.OnWorkFinished += defragWorker.NotifyWork;
unconfirmedTxesBuilder.UnconfirmedTxAdded += RaiseUnconfirmedTxAdded;
unconfirmedTxesBuilder.TxesConfirmed += RaiseTxesConfirmed;
unconfirmedTxesBuilder.TxesUnconfirmed += RaiseTxesUnconfirmed;
}
private void ConsumeWorker(WorkerMethod instance)
{
try
{
foreach (var value in this.queue.GetConsumingEnumerable())
{
this.consumeAction(value);
}
}
finally
{
CompleteWorker((int)instance.Data);
}
}
private void WorkAction(WorkerMethod instance)
{
if (this.queue == null)
{
throw new InvalidOperationException();
}
foreach (var value in this.GetConsumingEnumerable())
{
ConsumeItem(value);
}
CompleteWorker((int)instance.Data);
}
public HeadersRequestWorker(WorkerConfig workerConfig, LocalClient localClient, CoreDaemon coreDaemon)
: base("HeadersRequestWorker", workerConfig.initialNotify, workerConfig.minIdleTime, workerConfig.maxIdleTime)
{
this.localClient = localClient;
this.coreDaemon = coreDaemon;
this.coreStorage = coreDaemon.CoreStorage;
this.headersRequestsByPeer = new ConcurrentDictionary<Peer, DateTimeOffset>();
this.localClient.OnBlockHeaders += HandleBlockHeaders;
this.coreDaemon.OnTargetChainChanged += HandleTargetChainChanged;
this.flushWorker = new WorkerMethod("HeadersRequestWorker.FlushWorker", FlushWorkerMethod, initialNotify: true, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.MaxValue);
this.flushQueue = new ConcurrentQueue<FlushHeaders>();
}
private void ReadWorker(WorkerMethod instance)
{
try
{
foreach (var item in this.source)
{
this.queue.Add(item);
}
}
finally
{
this.queue.CompleteAdding();
this.completedReadingEvent.Set();
}
}
public ParallelConsumer(string name, int consumerThreadCount, Logger logger)
{
this.name = name;
this.logger = logger;
this.readWorker = new WorkerMethod(name + ".ReadWorker", ReadWorker, initialNotify: false, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.MaxValue, logger: logger);
this.readWorker.Start();
this.consumeWorkers = new WorkerMethod[consumerThreadCount];
this.consumeWorkersCompleted = new bool[this.consumeWorkers.Length];
this.consumeWorkersLock = new object();
for (var i = 0; i < this.consumeWorkers.Length; i++)
{
this.consumeWorkers[i] = new WorkerMethod(name + ".ConsumeWorker." + i, ConsumeWorker, initialNotify: false, minIdleTime: TimeSpan.Zero, maxIdleTime: TimeSpan.MaxValue, logger: logger);
this.consumeWorkers[i].Data = i;
this.consumeWorkers[i].Start();
}
}
public CoreDaemon(IBlockchainRules rules, IStorageManager storageManager)
{
this.rules = rules;
this.storageManager = storageManager;
this.coreStorage = new CoreStorage(storageManager);
// create chain state builder
this.chainStateBuilder = new ChainStateBuilder(this.rules, this.coreStorage, this.storageManager);
// create workers
this.targetChainWorker = new TargetChainWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(50), maxIdleTime: TimeSpan.FromSeconds(30)),
this.rules, this.coreStorage);
this.chainStateWorker = new ChainStateWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMilliseconds(0), maxIdleTime: TimeSpan.FromSeconds(5)),
this.targetChainWorker, this.chainStateBuilder, this.rules, this.coreStorage);
this.pruningWorker = new PruningWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromSeconds(0), maxIdleTime: TimeSpan.FromMinutes(5)),
this, this.storageManager, this.chainStateWorker);
this.defragWorker = new DefragWorker(
new WorkerConfig(initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5)),
this.storageManager);
this.gcWorker = new WorkerMethod("GC Worker", GcWorker,
initialNotify: true, minIdleTime: TimeSpan.FromMinutes(5), maxIdleTime: TimeSpan.FromMinutes(5));
this.utxoScanWorker = new WorkerMethod("UTXO Scan Worker", UtxoScanWorker,
initialNotify: true, minIdleTime: TimeSpan.FromSeconds(60), maxIdleTime: TimeSpan.FromSeconds(60));
// wire events
this.chainStateWorker.BlockMissed += HandleBlockMissed;
this.targetChainWorker.OnTargetChainChanged += HandleTargetChainChanged;
this.chainStateWorker.OnChainStateChanged += HandleChainStateChanged;
this.pruningWorker.OnWorkFinished += this.defragWorker.NotifyWork;
}
private Task UtxoScanWorker(WorkerMethod instance)
{
// time taking chain state snapshots
var stopwatch = Stopwatch.StartNew();
int chainStateHeight;
using (var chainState = this.GetChainState())
{
chainStateHeight = chainState.Chain.Height;
}
stopwatch.Stop();
logger.Info($"GetChainState at {chainStateHeight:N0}: {stopwatch.Elapsed.TotalSeconds:N2}s");
// time enumerating chain state snapshots
stopwatch = Stopwatch.StartNew();
using (var chainState = this.GetChainState())
{
chainStateHeight = chainState.Chain.Height;
chainState.ReadUnspentTransactions().Count();
}
stopwatch.Stop();
logger.Info($"Enumerate chain state at {chainStateHeight:N0}: {stopwatch.Elapsed.TotalSeconds:N2}s");
//using (var chainStateLocal = this.GetChainState())
//{
// new MethodTimer(logger).Time("UTXO Commitment: {0:N0}".Format2(chainStateLocal.UnspentTxCount), () =>
// {
// using (var utxoStream = new UtxoStream(logger, chainStateLocal.ReadUnspentTransactions()))
// {
// var utxoHash = SHA256Pool.ComputeHash(utxoStream);
// logger.Info("UXO Commitment Hash: {0}".Format2(utxoHash.ToHexNumberString()));
// }
// });
// //new MethodTimer().Time("Full UTXO Scan: {0:N0}".Format2(chainStateLocal.Utxo.TransactionCount), () =>
// //{
// // foreach (var output in chainStateLocal.Utxo.GetUnspentTransactions())
// // {
// // }
// //});
//}
return Task.FromResult(false);
}
private Task GcWorker(WorkerMethod instance)
{
logger.Info(
string.Join("\n",
new string('-', 80),
$"GC Memory: {(float)GC.GetTotalMemory(false) / 1.MILLION(),10:N2} MB",
$"Process Memory: {(float)Process.GetCurrentProcess().PrivateMemorySize64 / 1.MILLION(),10:N2} MB",
new string('-', 80)
));
return Task.FromResult(false);
}
private Task FlushWorkerMethod(WorkerMethod instance)
{
FlushHeaders flushHeaders;
while (this.flushQueue.TryDequeue(out flushHeaders))
{
// cooperative loop
this.ThrowIfCancelled();
var peer = flushHeaders.Peer;
var blockHeaders = flushHeaders.Headers;
// chain the downloaded headers
this.coreStorage.ChainHeaders(blockHeaders);
DateTimeOffset ignore;
this.headersRequestsByPeer.TryRemove(peer, out ignore);
}
return Task.CompletedTask;
}
