private void HandleCommand(string databaseName, string collectionName, BsonDocument document)
{
if (collectionName != "$cmd")
{
return;
}
if (document.Contains("dropIndexes"))
{
m_outlet.DeleteIndex(databaseName, document["dropIndexes"].ToString(), document["index"].ToString());
}
else if (document.Contains("create"))
{
HandleCreateCollection(databaseName, document["create"].ToString(), document);
}
else if (document.Contains("drop"))
{
m_outlet.DeleteCollection(databaseName, document["drop"].ToString());
}
else if (document.Contains("renameCollection"))
{
var oldNs = new OplogNamespace(document["renameCollection"]);
var newNs = new OplogNamespace(document["to"]);
m_outlet.RenameCollection(oldNs.DatabaseName, oldNs.CollectionName, newNs.CollectionName);
}
else if (document.Contains("dropDatabase"))
{
m_outlet.DeleteDatabase(databaseName);
}
else
{
// Unrecognized command
}
}
private void HandleCreateIndex(BsonDocument document)
{
var ns = new OplogNamespace(document["ns"]);
if (document.Contains("v") && document["v"].ToInt32() != 1)
{
// Only v1 indexes are supported
// ref: http://docs.mongodb.org/manual/tutorial/roll-back-to-v1.8-index/
return;
}
var key = document["key"].ToBsonDocument();
document.Remove("ns");
document.Remove("key");
document.Remove("_id");
m_outlet.CreateIndex(ns.DatabaseName, ns.CollectionName, key, document);
}
private void HandleCommand(string databaseName, string collectionName, BsonDocument document)
{
if(collectionName != "$cmd")
{
return;
}
if(document.Contains("dropIndexes"))
{
m_outlet.DeleteIndex(databaseName, document["dropIndexes"].ToString(), document["index"].ToString());
}
else if(document.Contains("create"))
{
HandleCreateCollection(databaseName, document["create"].ToString(), document);
}
else if(document.Contains("drop"))
{
m_outlet.DeleteCollection(databaseName, document["drop"].ToString());
}
else if(document.Contains("renameCollection"))
{
var oldNs = new OplogNamespace(document["renameCollection"]);
var newNs = new OplogNamespace(document["to"]);
m_outlet.RenameCollection(oldNs.DatabaseName, oldNs.CollectionName, newNs.CollectionName);
}
else if(document.Contains("dropDatabase"))
{
m_outlet.DeleteDatabase(databaseName);
}
else
{
// Unrecognized command
}
}
private void HandleCreateIndex(BsonDocument document)
{
var ns = new OplogNamespace(document["ns"]);
if(document.Contains("v") && document["v"].ToInt32() != 1)
{
// Only v1 indexes are supported
// ref: http://docs.mongodb.org/manual/tutorial/roll-back-to-v1.8-index/
return;
}
var key = document["key"].ToBsonDocument();
document.Remove("ns");
document.Remove("key");
document.Remove("_id");
m_outlet.CreateIndex(ns.DatabaseName, ns.CollectionName, key, document);
}