public void HandleSchemaChange(Frame frame)
{
var ce = new SchemaChangeEventArgs();
CassandraEventArgs = ce;
var changeTypeText = Reader.ReadString();
SchemaChangeEventArgs.Reason changeType;
switch (changeTypeText)
{
case "UPDATED":
changeType = SchemaChangeEventArgs.Reason.Updated;
break;
case "DROPPED":
changeType = SchemaChangeEventArgs.Reason.Dropped;
break;
default:
changeType = SchemaChangeEventArgs.Reason.Created;
break;
}
ce.What = changeType;
if (frame.Header.Version < 3)
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = Reader.ReadString();
ce.Table = Reader.ReadString();
return;
}
//protocol v3+: <change_type><target><options>
var target = Reader.ReadString();
ce.Keyspace = Reader.ReadString();
switch (target)
{
case "TABLE":
ce.Table = Reader.ReadString();
break;
case "TYPE":
ce.Type = Reader.ReadString();
break;
case "FUNCTION":
ce.FunctionName = Reader.ReadString();
ce.Signature = Reader.ReadStringList();
break;
case "AGGREGATE":
ce.AggregateName = Reader.ReadString();
ce.Signature = Reader.ReadStringList();
break;
}
}
public static SchemaChangeEventArgs ParseSchemaChangeBody(ProtocolVersion protocolVersion, FrameReader reader)
{
var ce = new SchemaChangeEventArgs();
var changeTypeText = reader.ReadString();
SchemaChangeEventArgs.Reason changeType;
switch (changeTypeText)
{
case "UPDATED":
changeType = SchemaChangeEventArgs.Reason.Updated;
break;
case "DROPPED":
changeType = SchemaChangeEventArgs.Reason.Dropped;
break;
default:
changeType = SchemaChangeEventArgs.Reason.Created;
break;
}
ce.What = changeType;
if (!protocolVersion.SupportsSchemaChangeFullMetadata())
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = reader.ReadString();
ce.Table = reader.ReadString();
return(ce);
}
//protocol v3+: <change_type><target><options>
var target = reader.ReadString();
ce.Keyspace = reader.ReadString();
switch (target)
{
case "TABLE":
ce.Table = reader.ReadString();
break;
case "TYPE":
ce.Type = reader.ReadString();
break;
case "FUNCTION":
ce.FunctionName = reader.ReadString();
ce.Signature = reader.ReadStringList();
break;
case "AGGREGATE":
ce.AggregateName = reader.ReadString();
ce.Signature = reader.ReadStringList();
break;
}
return(ce);
}
public void HandleSchemaChange(Frame frame)
{
var ce = new SchemaChangeEventArgs();
CassandraEventArgs = ce;
var changeTypeText = Reader.ReadString();
SchemaChangeEventArgs.Reason changeType;
switch (changeTypeText)
{
case "UPDATED":
changeType = SchemaChangeEventArgs.Reason.Updated;
break;
case "DROPPED":
changeType = SchemaChangeEventArgs.Reason.Dropped;
break;
default:
changeType = SchemaChangeEventArgs.Reason.Created;
break;
}
ce.What = changeType;
if (frame.Header.Version < 3)
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = Reader.ReadString();
ce.Table = Reader.ReadString();
return;
}
//protocol v3+: <change_type><target><options>
var target = Reader.ReadString();
ce.Keyspace = Reader.ReadString();
switch (target)
{
case "TABLE":
ce.Table = Reader.ReadString();
break;
case "TYPE":
ce.Type = Reader.ReadString();
break;
case "FUNCTION":
ce.FunctionName = Reader.ReadString();
ce.Signature = Reader.ReadStringList();
break;
case "AGGREGATE":
ce.AggregateName = Reader.ReadString();
ce.Signature = Reader.ReadStringList();
break;
}
}
internal EventResponse(ResponseFrame frame)
: base(frame)
{
var eventTypeString = BEBinaryReader.ReadString();
if (eventTypeString == "TOPOLOGY_CHANGE")
{
var ce = new TopologyChangeEventArgs();
ce.What = BEBinaryReader.ReadString() == "NEW_NODE"
? TopologyChangeEventArgs.Reason.NewNode
: TopologyChangeEventArgs.Reason.RemovedNode;
ce.Address = BEBinaryReader.ReadInet().Address;
CassandraEventArgs = ce;
return;
}
else if (eventTypeString == "STATUS_CHANGE")
{
var ce = new StatusChangeEventArgs();
ce.What = BEBinaryReader.ReadString() == "UP"
? StatusChangeEventArgs.Reason.Up
: StatusChangeEventArgs.Reason.Down;
ce.Address = BEBinaryReader.ReadInet().Address;
CassandraEventArgs = ce;
return;
}
else if (eventTypeString == "SCHEMA_CHANGE")
{
var ce = new SchemaChangeEventArgs();
var m = BEBinaryReader.ReadString();
ce.What = m == "CREATED"
? SchemaChangeEventArgs.Reason.Created
: (m == "UPDATED"
? SchemaChangeEventArgs.Reason.Updated
: SchemaChangeEventArgs.Reason.Dropped);
ce.Keyspace = BEBinaryReader.ReadString();
ce.Table = BEBinaryReader.ReadString();
CassandraEventArgs = ce;
return;
}
var ex = new DriverInternalError("Unknown Event Type");
_logger.Error(ex);
throw ex;
}
internal EventResponse(ResponseFrame frame)
: base(frame)
{
var eventTypeString = BEBinaryReader.ReadString();
if (eventTypeString == "TOPOLOGY_CHANGE")
{
var ce = new TopopogyChangeEventArgs();
ce.What = BEBinaryReader.ReadString() == "NEW_NODE"
? TopopogyChangeEventArgs.Reason.NewNode
: TopopogyChangeEventArgs.Reason.RemovedNode;
ce.Address = BEBinaryReader.ReadInet().Address;
CassandraEventArgs = ce;
return;
}
else if (eventTypeString == "STATUS_CHANGE")
{
var ce = new StatusChangeEventArgs();
ce.What = BEBinaryReader.ReadString() == "UP"
? StatusChangeEventArgs.Reason.Up
: StatusChangeEventArgs.Reason.Down;
ce.Address = BEBinaryReader.ReadInet().Address;
CassandraEventArgs = ce;
return;
}
else if (eventTypeString == "SCHEMA_CHANGE")
{
var ce = new SchemaChangeEventArgs();
var m = BEBinaryReader.ReadString();
ce.What = m == "CREATED"
? SchemaChangeEventArgs.Reason.Created
: (m == "UPDATED"
? SchemaChangeEventArgs.Reason.Updated
: SchemaChangeEventArgs.Reason.Dropped);
ce.Keyspace = BEBinaryReader.ReadString();
ce.Table = BEBinaryReader.ReadString();
CassandraEventArgs = ce;
return;
}
var ex = new DriverInternalError("Unknown Event Type");
_logger.Error(ex);
throw ex;
}
public void HandleSchemaChange(ResponseFrame frame)
{
var ce = new SchemaChangeEventArgs();
string m = BeBinaryReader.ReadString();
ce.What = m == "CREATED"
? SchemaChangeEventArgs.Reason.Created
: (m == "UPDATED"
? SchemaChangeEventArgs.Reason.Updated
: SchemaChangeEventArgs.Reason.Dropped);
if (frame.Header.Version < 3)
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = BeBinaryReader.ReadString();
ce.Table = BeBinaryReader.ReadString();
}
else
{
//protocol v3: <change_type><target><options>
var target = BeBinaryReader.ReadString();
switch (target)
{
case "KEYSPACE":
ce.Keyspace = BeBinaryReader.ReadString();
break;
case "TABLE":
ce.Keyspace = BeBinaryReader.ReadString();
ce.Table = BeBinaryReader.ReadString();
break;
case "TYPE":
ce.Keyspace = BeBinaryReader.ReadString();
ce.Type = BeBinaryReader.ReadString();
break;
}
}
CassandraEventArgs = ce;
}
public void HandleSchemaChange(ResponseFrame frame)
{
var ce = new SchemaChangeEventArgs();
string m = BeBinaryReader.ReadString();
ce.What = m == "CREATED"
? SchemaChangeEventArgs.Reason.Created
: (m == "UPDATED"
? SchemaChangeEventArgs.Reason.Updated
: SchemaChangeEventArgs.Reason.Dropped);
if (frame.Header.Version < 3)
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = BeBinaryReader.ReadString();
ce.Table = BeBinaryReader.ReadString();
}
else
{
//protocol v3: <change_type><target><options>
var target = BeBinaryReader.ReadString();
switch (target)
{
case "KEYSPACE":
ce.Keyspace = BeBinaryReader.ReadString();
break;
case "TABLE":
ce.Keyspace = BeBinaryReader.ReadString();
ce.Table = BeBinaryReader.ReadString();
break;
case "TYPE":
ce.Keyspace = BeBinaryReader.ReadString();
ce.Type = BeBinaryReader.ReadString();
break;
}
}
CassandraEventArgs = ce;
}
