/// <exception cref="System.IO.IOException"/>
internal QuorumJournalManager(Configuration conf, URI uri, NamespaceInfo nsInfo,
AsyncLogger.Factory loggerFactory)
{
// Timeouts for which the QJM will wait for each of the following actions.
// Since these don't occur during normal operation, we can
// use rather lengthy timeouts, and don't need to make them
// configurable.
Preconditions.CheckArgument(conf != null, "must be configured");
this.conf = conf;
this.uri = uri;
this.nsInfo = nsInfo;
this.loggers = new AsyncLoggerSet(CreateLoggers(loggerFactory));
this.connectionFactory = URLConnectionFactory.NewDefaultURLConnectionFactory(conf
);
// Configure timeouts.
this.startSegmentTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalStartSegmentTimeoutKey
, DFSConfigKeys.DfsQjournalStartSegmentTimeoutDefault);
this.prepareRecoveryTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalPrepareRecoveryTimeoutKey
, DFSConfigKeys.DfsQjournalPrepareRecoveryTimeoutDefault);
this.acceptRecoveryTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalAcceptRecoveryTimeoutKey
, DFSConfigKeys.DfsQjournalAcceptRecoveryTimeoutDefault);
this.finalizeSegmentTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalFinalizeSegmentTimeoutKey
, DFSConfigKeys.DfsQjournalFinalizeSegmentTimeoutDefault);
this.selectInputStreamsTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalSelectInputStreamsTimeoutKey
, DFSConfigKeys.DfsQjournalSelectInputStreamsTimeoutDefault);
this.getJournalStateTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalGetJournalStateTimeoutKey
, DFSConfigKeys.DfsQjournalGetJournalStateTimeoutDefault);
this.newEpochTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalNewEpochTimeoutKey,
DFSConfigKeys.DfsQjournalNewEpochTimeoutDefault);
this.writeTxnsTimeoutMs = conf.GetInt(DFSConfigKeys.DfsQjournalWriteTxnsTimeoutKey
, DFSConfigKeys.DfsQjournalWriteTxnsTimeoutDefault);
}
/// <exception cref="System.Exception"/>
private static void WaitForAllPendingCalls(AsyncLoggerSet als)
{
foreach (AsyncLogger l in als.GetLoggersForTests())
{
IPCLoggerChannel ch = (IPCLoggerChannel)l;
ch.WaitForAllPendingCalls();
}
}
/// <exception cref="System.IO.IOException"/>
public QuorumOutputStream(AsyncLoggerSet loggers, long txId, int outputBufferCapacity
, int writeTimeoutMs)
: base()
{
this.buf = new EditsDoubleBuffer(outputBufferCapacity);
this.loggers = loggers;
this.segmentTxId = txId;
this.writeTimeoutMs = writeTimeoutMs;
}