public AfterWrappedMethodDelegate BeforeWrappedMethod(InstrumentedMethodCall instrumentedMethodCall, IAgent agent, ITransaction transaction)
{
var redisCommandWithArgumentsAsBytes = instrumentedMethodCall.MethodCall.MethodArguments.ExtractNotNullAs <byte[][]>(0);
var redisCommand = redisCommandWithArgumentsAsBytes[0];
if (redisCommand == null)
{
return(Delegates.NoOp);
}
var operation = GetRedisCommand(redisCommand);
var contextObject = instrumentedMethodCall.MethodCall.InvocationTarget;
if (contextObject == null)
{
throw new NullReferenceException(nameof(contextObject));
}
var host = TryGetPropertyName(PropertyHost, contextObject) ?? "unknown";
host = ConnectionStringParserHelper.NormalizeHostname(host);
var portPathOrId = TryGetPropertyName(PropertyPortPathOrId, contextObject);
var databaseName = TryGetPropertyName(PropertyDatabaseName, contextObject);
var connectionInfo = new ConnectionInfo(host, portPathOrId, databaseName);
var segment = transaction.StartDatastoreSegment(instrumentedMethodCall.MethodCall, ParsedSqlStatement.FromOperation(DatastoreVendor.Redis, operation), connectionInfo);
return(Delegates.GetDelegateFor(segment));
}
public static ConnectionInfo GetConnectionInfoFromCursor(object asyncCursor, object collectionNamespace)
{
string host = null;
string port = null;
var channelSource = GetChannelSourceFieldFromGeneric(asyncCursor);
var server = GetServerFromFromInterface(channelSource);
EndPoint endpoint = GetEndPoint(server);
var dnsEndpoint = endpoint as DnsEndPoint;
var ipEndpoint = endpoint as IPEndPoint;
if (dnsEndpoint != null)
{
port = dnsEndpoint.Port.ToString();
host = ConnectionStringParserHelper.NormalizeHostname(dnsEndpoint.Host);
}
if (ipEndpoint != null)
{
port = ipEndpoint.Port.ToString();
host = ConnectionStringParserHelper.NormalizeHostname(ipEndpoint.Address.ToString());
}
var databaseName = GetDatabaseNameFromCollectionNamespace(collectionNamespace);
return(new ConnectionInfo(host, port, databaseName));
}
public static ConnectionInfo GetConnectionInfoFromDatabase(object database)
{
var databaseName = GetDatabaseNameFromDatabase(database);
var servers = GetServersFromDatabase(database);
string port = null;
string host = null;
if (servers.Count == 1)
{
GetHostAndPortFromServer(servers[0], out var rawHost, out var rawPort);
port = rawPort.ToString();
host = ConnectionStringParserHelper.NormalizeHostname(rawHost);
}
return(new ConnectionInfo(host, port, databaseName));
}
public static ConnectionInfo GetConnectionInfoFromConnectionMultiplexer(MethodCall methodCall, string assemblyName)
{
var connectionMultiplexer = methodCall.InvocationTarget;
var rawConfig = GetRawConfigAccessor(assemblyName)(connectionMultiplexer);
var endpoints = GetEndPointsAccessor(assemblyName)(rawConfig);
if (endpoints == null || endpoints.Count <= 0)
{
return(null);
}
var endpoint = endpoints[0];
var dnsEndpoint = endpoint as DnsEndPoint;
var ipEndpoint = endpoint as IPEndPoint;
string port = null;
string host = null;
if (dnsEndpoint != null)
{
port = dnsEndpoint.Port.ToString();
host = ConnectionStringParserHelper.NormalizeHostname(dnsEndpoint.Host);
}
if (ipEndpoint != null)
{
port = ipEndpoint.Port.ToString();
host = ConnectionStringParserHelper.NormalizeHostname(ipEndpoint.Address.ToString());
}
if (host == null)
{
return(null);
}
return(new ConnectionInfo(host, port, null));
}