errors.go

package relay

// -----------------------------------------------------------------------------
// Error Types
// -----------------------------------------------------------------------------

// ErrorCode represents a specific error condition in the mesh protocol.
type ErrorCode string

// Defined error codes.
const (
	ErrorCodeNotFound           ErrorCode = "not_found"
	ErrorCodeAgentNotFound      ErrorCode = "agent_not_found"
	ErrorCodeClientNotFound     ErrorCode = "client_not_found"
	ErrorCodeSessionNotFound    ErrorCode = "session_not_found"
	ErrorCodeCapabilityMissing  ErrorCode = "capability_missing"
	ErrorCodeConnectionClosed   ErrorCode = "connection_closed"
	ErrorCodeTimeout            ErrorCode = "timeout"
	ErrorCodeInvalidMessage     ErrorCode = "invalid_message"
	ErrorCodeSessionOpenFailed  ErrorCode = "session_open_failed"
	ErrorCodeSessionCloseFailed ErrorCode = "session_close_failed"
	ErrorCodeUnauthorized       ErrorCode = "unauthorized"
)

// MeshError represents an error in the mesh system with a typed error code.
type MeshError struct {
	Code    ErrorCode `json:"code"`
	Message string    `json:"message"`
}

// Error implements the error interface.
func (e *MeshError) Error() string {
	return string(e.Code) + ": " + e.Message
}

// NewMeshError creates a new MeshError with the given code and message.
func NewMeshError(code ErrorCode, message string) *MeshError {
	return &MeshError{Code: code, Message: message}
}