public Boolean SetupCollection()
{
var uri = new MongoUrl(ConnectionString);
var client = new MongoClient(uri);
IMongoDatabase db = client.GetDatabase(uri.DatabaseName);
Task.Factory.StartNew(() =>
{
var result = client.ListDatabases();
Console.Write(result.ToList());
}); //forces a database connection
Int32 spinCount = 0;
ClusterState clusterState;
while ((clusterState = client.Cluster.Description.State) != ClusterState.Connected &&
spinCount++ < 100)
{
Thread.Sleep(20);
}
//database is not operational;
if (clusterState != ClusterState.Connected)
{
return(false);
}
var createCollectionOptions = new CreateCollectionOptions();
Int64 cappedSize;
if (Int64.TryParse(CappedSizeInMb, out cappedSize))
{
createCollectionOptions.Capped = true;
createCollectionOptions.MaxSize = 1024L * 1024L * cappedSize;
}
var collections = db.ListCollections()
.ToList()
.Select(d => d["name"].AsString)
.ToList();
if (!collections.Contains(CollectionName))
{
db.CreateCollection(CollectionName, createCollectionOptions);
}
LogCollection = db.GetCollection <BsonDocument>(CollectionName);
CreateIndexOptions options = new CreateIndexOptions();
if (ExpireAfter != null)
{
if (createCollectionOptions.Capped == true)
{
LogLog.Error(typeof(MongoLog), "Cannot use Capped and TTL at the same time, only capped collection setting will be used! Please configure the appender specifying only CappedSizeInMb or ExpireAfter, but not both.");
}
else
{
options.ExpireAfter = ExpireAfter.ToTimeSpan();
}
}
LogCollection.Indexes.CreateOne(Builders <BsonDocument> .IndexKeys.Descending(FieldNames.Timestamp), options);
LogCollection.Indexes.CreateOne(Builders <BsonDocument> .IndexKeys
.Ascending(FieldNames.Level).Ascending(FieldNames.Thread).Ascending(FieldNames.Loggername));
return(true);
}
public void SetupCollection()
{
var uri = new MongoUrl(ConnectionString);
var client = new MongoClient(uri);
MongoDatabase db = client.GetServer().GetDatabase(uri.DatabaseName);
Int64 cappedSize;
if (!Int64.TryParse(CappedSizeInMb, out cappedSize))
{
cappedSize = 5 * 1024L;
}
if (!db.CollectionExists(CollectionName))
{
CollectionOptionsBuilder options = CollectionOptions
.SetCapped(true)
.SetMaxSize(1024L * 1024L * cappedSize); //5 gb.
db.CreateCollection(CollectionName, options);
}
LogCollection = db.GetCollection(CollectionName);
var builder = new IndexOptionsBuilder();
const string ttlIndex = FieldNames.Timestamp + "_-1";
var index = LogCollection.GetIndexes().SingleOrDefault(x => x.Name == ttlIndex);
if (index != null)
{
if (ExpireAfter != null)
{
if (index.TimeToLive != ExpireAfter.ToTimeSpan())
{
var d = new CommandDocument()
{
{ "collMod", CollectionName },
{
"index", new BsonDocument
{
{ "keyPattern", new BsonDocument {
{ FieldNames.Timestamp, -1 }
} },
{ "expireAfterSeconds", (int)(ExpireAfter.ToTimeSpan().TotalSeconds) }
}
}
};
db.RunCommand(d);
}
}
}
else
{
if (ExpireAfter != null)
{
builder.SetTimeToLive(ExpireAfter.ToTimeSpan());
}
LogCollection.CreateIndex(IndexKeys.Descending(FieldNames.Timestamp), builder);
}
LogCollection.CreateIndex(IndexKeys
.Ascending(FieldNames.Level, FieldNames.Thread, FieldNames.Loggername)
);
}