private void ReadConnections(ConfigParams connections)
{
lock (_lock)
{
_items.Clear();
foreach (var entry in connections)
{
var item = new DiscoveryItem()
{
Key = entry.Key,
Connection = ConnectionParams.FromString(entry.Value)
};
_items.Add(item);
}
}
}
public async Task <ConnectionParams> ResolveOneAsync(string correlationId, string key)
{
ConnectionParams connection = null;
lock (_lock)
{
foreach (var item in _items)
{
if (item.Key == key && item.Connection != null)
{
connection = item.Connection;
break;
}
}
}
return(await Task.FromResult(connection));
}
public async Task <List <ConnectionParams> > ResolveAllAsync(string correlationId)
{
var resolved = new List <ConnectionParams>();
var toResolve = new List <ConnectionParams>();
// Sort connections
foreach (var connection in _connections)
{
if (connection.UseDiscovery)
{
toResolve.Add(connection);
}
else
{
resolved.Add(connection);
}
}
// Resolve addresses that require that
if (toResolve.Count <= 0)
{
return(resolved);
}
foreach (var connection in toResolve)
{
var resolvedConnections = await ResolveAllInDiscoveryAsync(correlationId, connection);
foreach (var resolvedConnection in resolvedConnections)
{
// Merge configured and new parameters
var localResolvedConnection = new ConnectionParams(ConfigParams.MergeConfigs(connection, resolvedConnection));
resolved.Add(localResolvedConnection);
}
}
return(resolved);
}
private async Task <ConnectionParams> ResolveInDiscoveryAsync(string correlationId, ConnectionParams connection)
{
if (connection.UseDiscovery == false)
{
return(null);
}
var key = connection.DiscoveryKey;
if (_references == null)
{
return(null);
}
var discoveries = _references.GetOptional <IDiscovery>(new Descriptor("*", "discovery", "*", "*", "*"));
if (discoveries.Count == 0)
{
throw new ConfigException(correlationId, "CANNOT_RESOLVE", "Discovery wasn't found to make resolution");
}
foreach (var discovery in discoveries)
{
var resolvedConnection = await discovery.ResolveOneAsync(correlationId, key);
if (resolvedConnection != null)
{
return(resolvedConnection);
}
}
return(null);
}
public void Add(ConnectionParams connection)
{
_connections.Add(connection);
}
public void Configure(ConfigParams config, bool configAsDefault = true)
{
_connections.AddRange(ConnectionParams.ManyFromConfig(config, configAsDefault));
}