/// <summary>
/// Subscribe to the channel for specific metadata.
/// </summary>
/// <param name="plan">The consumer plan.</param>
/// <param name="func">The function.</param>
/// <param name="options">The options.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// When completed
/// </returns>
public async ValueTask SubsribeAsync(
IConsumerPlan plan,
Func <Announcement, IAck, ValueTask> func,
IEventSourceConsumerOptions options,
CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{ // connection errors
IDatabaseAsync db = await _redisClientFactory.GetDbAsync();
if (plan.Shard != string.Empty)
{
await SubsribeShardAsync(db, plan, func, options, cancellationToken);
}
else
{
await SubsribePartitionAsync(db, plan, func, options, cancellationToken);
}
}
}
/// <summary>
/// Initializes a new instance.
/// </summary>
/// <param name="logger">The logger.</param>
/// <param name="configuration">The configuration.</param>
/// <param name="resiliencePolicy">The resilience policy for retry.</param>
/// <param name="endpointEnvKey">The endpoint env key.</param>
/// <param name="passwordEnvKey">The password env key.</param>
public RedisProducerChannel(
ILogger logger,
Action <ConfigurationOptions>?configuration,
AsyncPolicy?resiliencePolicy,
string endpointEnvKey,
string passwordEnvKey)
{
_logger = logger;
_resiliencePolicy = resiliencePolicy ??
Policy.Handle <Exception>()
.RetryAsync(3); // TODO: [bnaya 2021-02] onRetry -> open telemetry
string name = string.Format(
CONNECTION_NAME_PATTERN,
Interlocked.Increment(ref _index));
var redisClientFactory = new RedisClientFactory(
logger,
name,
RedisUsageIntent.Write,
configuration,
endpointEnvKey, passwordEnvKey);
_dbTask = redisClientFactory.GetDbAsync();
}