DefaultConfig 默认配置.

StdConfig 标准配置.

ErrChannelMax is returned when Connection.Channel has been called enough times that all channel IDs have been exhausted in the client or the server.

ErrClosed is returned when the channel or connection is not open.

ErrCommandInvalid is returned when the server sends an unexpected response to this requested message type.

ErrCredentials is returned when the authenticated client is not authorized to any vhost.

ErrFieldType is returned when writing a message containing a Go type unsupported by AMQP.

ErrFrame is returned when the protocol frame cannot be read from the server, indicating an unsupported protocol or unsupported frame type.

ErrSASL is returned from Dial when the authentication mechanism could not be negoated.

ErrSyntax is hard protocol error, indicating an unsupported protocol, implementation or encoding.

ErrUnexpectedFrame is returned when something other than a method or heartbeat frame is delivered to the Connection, indicating a bug in the client.

ErrVhost is returned when the authenticated user is not permitted to access the requested Vhost.