/// <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.IO.IOException"/>
internal static IList <AsyncLogger> CreateLoggers(Configuration conf, URI uri, NamespaceInfo
nsInfo, AsyncLogger.Factory factory)
{
IList <AsyncLogger> ret = Lists.NewArrayList();
IList <IPEndPoint> addrs = GetLoggerAddresses(uri);
string jid = ParseJournalId(uri);
foreach (IPEndPoint addr in addrs)
{
ret.AddItem(factory.CreateLogger(conf, nsInfo, jid, addr));
}
return(ret);
}
/// <exception cref="System.IO.IOException"/>
protected internal virtual IList <AsyncLogger> CreateLoggers(AsyncLogger.Factory factory
)
{
return(CreateLoggers(conf, uri, nsInfo, factory));
}
protected internal override IList <AsyncLogger> CreateLoggers(AsyncLogger.Factory
factory)
{
return(this._enclosing.spyLoggers);
}
