// Copyright (c) 2019 The Gnet Authors. 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.

// 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 gnet

import (

"crypto/tls"

"time"

)

// TLSState represents the state of a TLS connection.

type TLSState int

const (

// TLSStateNone indicates no TLS is used for this connection.

TLSStateNone TLSState = iota

// TLSStateHandshaking indicates the TLS handshake is in progress.

TLSStateHandshaking

// TLSStateComplete indicates the TLS handshake completed successfully.

TLSStateComplete

// TLSStateFailed indicates the TLS handshake failed.

TLSStateFailed

)

// DefaultTLSHandshakeTimeout is the default timeout for TLS handshakes.

const DefaultTLSHandshakeTimeout = 30 * time.Second

// TLSConn provides access to TLS-specific connection methods.

// Use type assertion to access these methods: if tc, ok := c.(gnet.TLSConn); ok { ... }.

type TLSConn interface {

Conn

// TLSState returns the current TLS state of the connection.

TLSState() TLSState

// TLSConnectionState returns the TLS connection state.

// Returns nil if TLS is not enabled or handshake is not complete.

TLSConnectionState() *tls.ConnectionState

}