/*
* Create a Session from client
*/
public static Session StartSession(Spanner.SpannerClient client)
{
CreateSessionRequest createSessionRequest = new CreateSessionRequest();
createSessionRequest.Database = _DATABASE;
return(client.CreateSession(createSessionRequest));
}
public void CreateSessionWithReusedChannel()
{
for (int i = 0; i < DefaultMaxChannelsPerTarget * 2; i++)
{
Session session;
session = client.CreateSession(
new CreateSessionRequest {
Database = DatabaseUrl
});
Assert.IsNotNull(session);
Assert.AreEqual(1, invoker.GetChannelRefsForTest().Count);
client.DeleteSession(new DeleteSessionRequest {
Name = session.Name
});
}
}
/*
* Probes to test session related grpc call from Spanner stub.
*
* Includes tests against CreateSession, GetSession, ListSessions, and
* DeleteSession of Spanner stub.
*
* Args:
* stub: An object of SpannerStub.
* metrics: A list of metrics.
*
*/
public static void sessionManagement(Spanner.SpannerClient client, ref Dictionary <string, long> metrics)
{
long latency;
CreateSessionRequest createSessionRequest = new CreateSessionRequest();
createSessionRequest.Database = _DATABASE;
//Create Session test
//Create
stopwatch.Start();
Session session = client.CreateSession(createSessionRequest);
stopwatch.Stop();
latency = stopwatch.ElapsedMilliseconds;
metrics.Add("create_session_latency_ms", latency);
//Get Session
GetSessionRequest getSessionRequest = new GetSessionRequest();
getSessionRequest.Name = session.Name;
stopwatch.Start();
client.GetSession(getSessionRequest);
stopwatch.Stop();
latency = stopwatch.ElapsedMilliseconds;
metrics.Add("get_session_latency_ms", latency);
//List Session
ListSessionsRequest listSessionsRequest = new ListSessionsRequest();
listSessionsRequest.Database = _DATABASE;
stopwatch.Start();
client.ListSessions(listSessionsRequest);
stopwatch.Stop();
latency = stopwatch.ElapsedMilliseconds;
metrics.Add("list_sessions_latency_ms", latency);
//Delete Session
DeleteSessionRequest deleteSessionRequest = new DeleteSessionRequest();
deleteSessionRequest.Name = session.Name;
stopwatch.Start();
client.DeleteSession(deleteSessionRequest);
stopwatch.Stop();
latency = stopwatch.ElapsedMilliseconds;
metrics.Add("delete_session_latency_ms", latency);
}
