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// Copyright (c) 2017 Cisco and/or its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adapter
// VppAdapter provides connection to VPP. It is responsible for sending and receiving of binary-encoded messages to/from VPP.
type VppAdapter interface {
// Connect connects the process to VPP.
Connect() error
// Disconnect disconnects the process from VPP.
Disconnect()
// GetMsgID returns a runtime message ID for the given message name and CRC.
GetMsgID(msgName string, msgCrc string) (uint16, error)
// SendMsg sends a binary-encoded message to VPP.
SendMsg(clientID uint32, data []byte) error
// SetMsgCallback sets a callback function that will be called by the adapter whenever a message comes from VPP.
SetMsgCallback(func(context uint32, msgId uint16, data []byte))
// WaitReady waits until adapter is ready.
WaitReady() error
}
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