public async Task <long> PublishAsync(RedisValue metadata, RedisValue[] values)
{
if (_subscriber == null)
{
Open();
}
var listKeyBase = $"{_pubSubChannel}.{Guid.NewGuid():N}";
var x = Google.Protobuf.ByteString.CopyFromUtf8(listKeyBase);
var msg = new PubSubMessage
{
ListKey = ByteString.CopyFromUtf8(listKeyBase),
Metadata = ByteString.CopyFrom(metadata)
};
long count = 0;
foreach (var pair in _db.HashScan(_pubSubGroupsHash))
{
int subscribers;
if (pair.Value.TryParse(out subscribers) && subscribers > 0)
{
var listKey = $"{listKeyBase}:{pair.Name}";
count = await _db.ListRightPushAsync(listKey, values);
}
}
await _subscriber.PublishAsync(_pubSubChannel, msg.ToByteArray());
return(count);
}
private async void ProcessQueue(PubSubMessage message)
{
var listKey = ((RedisKey)message.ListKey.ToByteArray()).Append(_groupSuffix);
var metadata = message.Metadata.ToByteArray();
var actions = _subscriptions.ToArray();
try
{
RedisValue value;
while ((value = await _db.ListLeftPopAsync(listKey)).HasValue)
{
for (int i = 0; i < actions.Length; i++)
{
FireAndForget(actions[i], metadata, value);
}
await Task.Delay(1);
}
}
finally
{
bool _;
_running.TryRemove(message.ListKey.ToStringUtf8(), out _);
}
}