1/*
 2 *
 3 * Copyright 2023 Google LLC
 4 *
 5 * Licensed under the Apache License, Version 2.0 (the "License");
 6 * you may not use this file except in compliance with the License.
 7 * You may obtain a copy of the License at
 8 *
 9 *     https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19// Package stream provides an interface for bidirectional streaming to the S2A server.
20package stream
21
22import (
23	s2av2pb "github.com/google/s2a-go/internal/proto/v2/s2a_go_proto"
24)
25
26// S2AStream defines the operation for communicating with the S2A server over a bidirectional stream.
27type S2AStream interface {
28	// Send sends the message to the S2A server.
29	Send(*s2av2pb.SessionReq) error
30	// Recv receives the message from the S2A server.
31	Recv() (*s2av2pb.SessionResp, error)
32	// Closes the channel to the S2A server.
33	CloseSend() error
34}