101 lines
3.0 KiB
Go
101 lines
3.0 KiB
Go
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package codes
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import (
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"fmt"
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)
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var (
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ErrMalformed = &Error{Code: MalformedPacket}
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ErrProtocol = &Error{Code: ProtocolError}
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)
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// There are the possible Code in v311 connack packet.
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const (
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V3Accepted = 0x00
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V3UnacceptableProtocolVersion = 0x01
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V3IdentifierRejected = 0x02
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V3ServerUnavaliable = 0x03
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V3BadUsernameorPassword = 0x04
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V3NotAuthorized = 0x05
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)
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// Code
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type Code = byte
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// There are the possible reason Code in v5
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const (
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Success Code = 0x00
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NormalDisconnection Code = 0x00
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GrantedQoS0 Code = 0x00
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GrantedQoS1 Code = 0x01
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GrantedQoS2 Code = 0x02
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DisconnectWithWillMessage Code = 0x04
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NotMatchingSubscribers Code = 0x10
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NoSubscriptionExisted Code = 0x11
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ContinueAuthentication Code = 0x18
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ReAuthenticate Code = 0x19
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UnspecifiedError Code = 0x80
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MalformedPacket Code = 0x81
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ProtocolError Code = 0x82
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ImplementationSpecificError Code = 0x83
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UnsupportedProtocolVersion Code = 0x84
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ClientIdentifierNotValid Code = 0x85
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BadUserNameOrPassword Code = 0x86
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NotAuthorized Code = 0x87
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ServerUnavailable Code = 0x88
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ServerBusy Code = 0x89
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Banned Code = 0x8A
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BadAuthMethod Code = 0x8C
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KeepAliveTimeout Code = 0x8D
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SessionTakenOver Code = 0x8E
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TopicFilterInvalid Code = 0x8F
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TopicNameInvalid Code = 0x90
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PacketIDInUse Code = 0x91
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PacketIDNotFound Code = 0x92
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RecvMaxExceeded Code = 0x93
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TopicAliasInvalid Code = 0x94
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PacketTooLarge Code = 0x95
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MessageRateTooHigh Code = 0x96
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QuotaExceeded Code = 0x97
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AdminAction Code = 0x98
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PayloadFormatInvalid Code = 0x99
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RetainNotSupported Code = 0x9A
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QoSNotSupported Code = 0x9B
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UseAnotherServer Code = 0x9C
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ServerMoved Code = 0x9D
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SharedSubNotSupported Code = 0x9E
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ConnectionRateExceeded Code = 0x9F
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MaxConnectTime Code = 0xA0
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SubIDNotSupported Code = 0xA1
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WildcardSubNotSupported Code = 0xA2
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)
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// Error wraps a MQTT reason code and error details.
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type Error struct {
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// Code is the MQTT Reason Code
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Code Code
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ErrorDetails
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}
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// ErrorDetails wraps reason string and user property for diagnostics.
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type ErrorDetails struct {
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// ReasonString is the reason string field in property.
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// https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901029
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ReasonString []byte
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// UserProperties is the user property field in property.
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UserProperties []struct {
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K []byte
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V []byte
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}
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}
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func (e *Error) Error() string {
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if e == nil {
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return ""
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}
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return fmt.Sprintf("operation error: Code = %x, reasonString: %s", e.Code, e.ReasonString)
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}
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func NewError(code Code) *Error {
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return &Error{Code: code}
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}
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