/// <summary>
/// Creates new queue and sends response
/// </summary>
private async Task CreateQueue(MqClient client, TmqMessage message)
{
ushort?contentType;
NetworkOptionsBuilder builder = null;
if (message.Length == 2)
{
byte[] bytes = new byte[2];
await message.Content.ReadAsync(bytes);
contentType = BitConverter.ToUInt16(bytes);
}
else
{
builder = new NetworkOptionsBuilder();
builder.Load(message.ToString());
contentType = builder.Id;
}
Channel channel = await CreateChannel(client, message, true);
ChannelQueue queue = channel.FindQueue(contentType.Value);
//if queue exists, we can't create. return duplicate response.
if (queue != null)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Duplicate));
}
return;
}
//check authority if client can create queue
if (_server.Authorization != null)
{
bool grant = await _server.Authorization.CanCreateQueue(client, channel, contentType.Value, builder);
if (!grant)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Unauthorized));
}
return;
}
}
//creates new queue
ChannelQueueOptions options = ChannelQueueOptions.CloneFrom(channel.Options);
IMessageDeliveryHandler delivery = channel.DeliveryHandler;
if (builder != null)
{
builder.ApplyToQueue(options);
if (!string.IsNullOrEmpty(builder.MessageDeliveryHandler))
{
IMessageDeliveryHandler found = _server.Registry.GetMessageDelivery(builder.MessageDeliveryHandler);
if (found != null)
{
delivery = found;
}
}
}
queue = await channel.CreateQueue(contentType.Value, options, delivery);
//if creation successful, sends response
if (queue != null && message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Ok));
}
}
/// <summary>
/// Creates new queue and sends response
/// </summary>
private async Task UpdateQueue(MqClient client, TmqMessage message)
{
if (_server.AdminAuthorization == null)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Unauthorized));
}
return;
}
NetworkOptionsBuilder builder = new NetworkOptionsBuilder();
builder.Load(message.ToString());
Channel channel = _server.FindChannel(message.Target);
if (channel == null)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.NotFound));
}
return;
}
ChannelQueue queue = channel.FindQueue(builder.Id);
if (queue == null)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.NotFound));
}
return;
}
bool grant = await _server.AdminAuthorization.CanUpdateQueueOptions(client, channel, queue, builder);
if (!grant)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Unauthorized));
}
return;
}
builder.ApplyToQueue(queue.Options);
if (builder.Status.HasValue)
{
await queue.SetStatus(builder.Status.Value);
}
//if creation successful, sends response
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Ok));
}
}
/// <summary>
/// Creates new channel
/// </summary>
private async Task <Channel> CreateChannel(MqClient client, TmqMessage message, bool createForQueue)
{
Channel channel = _server.FindChannel(message.Target);
if (channel != null)
{
return(channel);
}
//check create channel access
if (_server.Authorization != null)
{
bool grant = await _server.Authorization.CanCreateChannel(client, _server, message.Target);
if (!grant)
{
if (message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Unauthorized));
}
return(null);
}
}
if (!createForQueue && message.Length > 0 && message.Content != null && message.Content.Length > 0)
{
NetworkOptionsBuilder builder = new NetworkOptionsBuilder();
builder.Load(message.ToString());
ChannelOptions options = ChannelOptions.CloneFrom(_server.Options);
builder.ApplyToChannel(options);
IChannelEventHandler eventHandler = _server.DefaultChannelEventHandler;
if (!string.IsNullOrEmpty(builder.ChannelEventHandler))
{
IChannelEventHandler e = _server.Registry.GetChannelEvent(builder.ChannelEventHandler);
if (e != null)
{
eventHandler = e;
}
}
IChannelAuthenticator authenticator = _server.DefaultChannelAuthenticator;
if (!string.IsNullOrEmpty(builder.ChannelAuthenticator))
{
IChannelAuthenticator e = _server.Registry.GetChannelAuthenticator(builder.ChannelAuthenticator);
if (e != null)
{
authenticator = e;
}
}
IMessageDeliveryHandler deliveryHandler = _server.DefaultDeliveryHandler;
if (!string.IsNullOrEmpty(builder.MessageDeliveryHandler))
{
IMessageDeliveryHandler e = _server.Registry.GetMessageDelivery(builder.MessageDeliveryHandler);
if (e != null)
{
deliveryHandler = e;
}
}
Channel ch = _server.CreateChannel(message.Target, authenticator, eventHandler, deliveryHandler, options);
if (ch != null && message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Ok));
}
}
Channel c = _server.CreateChannel(message.Target);
if (!createForQueue && c != null && message.ResponseRequired)
{
await client.SendAsync(MessageBuilder.ResponseStatus(message, KnownContentTypes.Ok));
}
return(c);
}