/// <inheritdoc />
public async Task Init(CancellationToken cancellationToken)
{
var timer = Stopwatch.StartNew();
try
{
if (_logger.IsEnabled(LogLevel.Debug))
{
var initMsg = string.Format("Init: Name={0} ServiceId={1} DatabaseNumber={2} UseJson={3} DeleteOnClear={4}",
_name, _serviceId, _options.DatabaseNumber, _options.UseJson, _options.DeleteOnClear);
_logger.LogDebug($"RedisGrainStorage {_name} is initializing: {initMsg}");
}
_redisOptions = ConfigurationOptions.Parse(_options.ConnectionString);
_connection = await ConnectionMultiplexer.ConnectAsync(_redisOptions);
if (_options.DatabaseNumber.HasValue)
{
_db = _connection.GetDatabase(_options.DatabaseNumber.Value);
}
else
{
_db = _connection.GetDatabase();
}
_preparedWriteScript = LuaScript.Prepare(_writeScript);
var loadTasks = new Task[_redisOptions.EndPoints.Count];
for (int i = 0; i < _redisOptions.EndPoints.Count; i++)
{
var endpoint = _redisOptions.EndPoints.ElementAt(i);
var server = _connection.GetServer(endpoint);
loadTasks[i] = _preparedWriteScript.LoadAsync(server);
}
await Task.WhenAll(loadTasks);
if (_logger.IsEnabled(LogLevel.Debug))
{
timer.Stop();
_logger.LogDebug("Init: Name={0} ServiceId={1}, initialized in {2} ms",
_name, _serviceId, timer.Elapsed.TotalMilliseconds.ToString("0.00"));
}
}
catch (Exception ex)
{
timer.Stop();
_logger.LogError(ex, "Init: Name={0} ServiceId={1}, errored in {2} ms. Error message: {3}",
_name, _serviceId, timer.Elapsed.TotalMilliseconds.ToString("0.00"), ex.Message);
throw ex;
}
}
public async Task EnsureLoaded(IConnectionMultiplexer redis)
{
if (LoadedLuaScript != null)
{
return;
}
var servers = redis.GetEndPoints()
.Select(ep => redis.GetServer(ep));
foreach (var server in servers)
{
LoadedLuaScript = await LuaScript.LoadAsync(server, CommandFlags.HighPriority);
}
}
private async Task <byte[]> LoadWriteScriptAsync()
{
Debug.Assert(_connection is not null);
Debug.Assert(_preparedWriteScript is not null);
Debug.Assert(_redisOptions.EndPoints.Count > 0);
System.Net.EndPoint[] endPoints = _connection.GetEndPoints();
var loadTasks = new Task <LoadedLuaScript> [endPoints.Length];
for (int i = 0; i < endPoints.Length; i++)
{
var endpoint = endPoints.ElementAt(i);
var server = _connection.GetServer(endpoint);
loadTasks[i] = _preparedWriteScript.LoadAsync(server);
}
await Task.WhenAll(loadTasks).ConfigureAwait(false);
return(loadTasks[0].Result.Hash);
}