//go:build windows
// +build windows

// Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"). You may
// not use this file except in compliance with the License. A copy of the
// License is located at
//
//	http://aws.amazon.com/apache2.0/
//
// or in the "license" file accompanying this file. This file 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 ecscni

import (
	"time"

	"github.com/containernetworking/cni/pkg/types"
)

const (
	// ECSVPCENIPluginName is the name of the vpc-eni plugin.
	ECSVPCENIPluginName = "vpc-eni"
	// ECSVPCENIPluginExecutable is the name of vpc-eni executable.
	ECSVPCENIPluginExecutable = "vpc-eni.exe"
	// TaskHNSNetworkNamePrefix is the prefix of the HNS network used for task ENI.
	TaskHNSNetworkNamePrefix = "task"
	// ECSBridgeNetworkName is the name of the HNS network used as ecs-bridge.
	ECSBridgeNetworkName = "nat"
	// Starting with CNI plugin v0.8.0 (this PR https://github.com/containernetworking/cni/pull/698)
	// NetworkName has to be non-empty field for network config.
	// We do not actually make use of the field, hence passing in a placeholder string to fulfill the API spec
	defaultNetworkName = "network-name"
	// DefaultENIName is the name of eni interface name in the container namespace
	DefaultENIName = "eth0"
)

var (
	// Values for creating backoff while retrying setupNS.
	// These have not been made constant so that we can inject different values for unit tests.
	setupNSBackoffMin      = time.Second * 4
	setupNSBackoffMax      = time.Minute
	setupNSBackoffJitter   = 0.2
	setupNSBackoffMultiple = 2.0
	setupNSMaxRetryCount   = 5
)

// VPCENIPluginConfig contains all the information required to invoke the vpc-eni plugin.
type VPCENIPluginConfig struct {
	// Type is the cni plugin name.
	Type string `json:"type,omitempty"`
	// CNIVersion is the cni spec version to use.
	CNIVersion string `json:"cniVersion,omitempty"`
	// DNS is used to pass DNS information to the plugin.
	DNS types.DNS `json:"dns"`

	// ENIName is the name of the eni on the instance.
	ENIName string `json:"eniName"`
	// ENIMACAddress is the MAC address of the eni.
	ENIMACAddress string `json:"eniMACAddress"`
	// ENIIPAddresses is the is the ipv4 of eni.
	ENIIPAddresses []string `json:"eniIPAddresses"`
	// GatewayIPAddresses specifies the IPv4 address of the subnet gateway for the eni.
	GatewayIPAddresses []string `json:"gatewayIPAddresses"`
	// UseExistingNetwork specifies if existing network should be used instead of creating a new one.
	UseExistingNetwork bool `json:"useExistingNetwork"`
	// BlockIMDS specifies if the IMDS should be blocked for the created endpoint.
	BlockIMDS bool `json:"blockInstanceMetadata"`
}