package rpc

import (
	"git.loafle.net/commons_go/rpc/protocol"
	cuc "git.loafle.net/commons_go/util/context"
)

type RPCServletHandler interface {
	ServletContext(parent cuc.Context) RPCServletContext

	Init(servletCTX RPCServletContext) error

	ReadRequest(servletCTX RPCServletContext, codec protocol.ServerCodec, conn interface{}) (protocol.ServerRequestCodec, error)
	Invoke(servletCTX RPCServletContext, requestCodec protocol.RegistryCodec) (result interface{}, err error)
	WriteResponse(servletCTX RPCServletContext, conn interface{}, requestCodec protocol.ServerRequestCodec, result interface{}, err error) error
	WriteNotification(servletCTX RPCServletContext, conn interface{}, codec protocol.ServerCodec, method string, args []interface{}) error

	Destroy(servletCTX RPCServletContext)

	RegisterCodec(contentType string, codec protocol.ServerCodec)
	getCodec(contentType string) (protocol.ServerCodec, error)

	GetPendingResponses() int
	Validate()
}