aboutsummaryrefslogtreecommitdiff
path: root/host/frontend/gcastv2/https/include/https/WebSocketHandler.h
blob: 76708764fd7be06fd50a20a21676610aab17ea41 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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.
 */

#pragma once

#include <arpa/inet.h>
#include <cstdint>
#include <functional>
#include <memory>
#include <string>
#include <sys/types.h>

struct ClientSocket;

struct WebSocketHandler {
    virtual ~WebSocketHandler() = default;

    // Returns number bytes processed or error.
    ssize_t handleRequest(uint8_t *data, size_t size, bool isEOS);

    bool isConnected();

    virtual void setClientSocket(std::weak_ptr<ClientSocket> client);

    typedef std::function<void(const uint8_t *, size_t)> OutputCallback;
    void setOutputCallback(const sockaddr_in &remoteAddr, OutputCallback fn);

    enum class SendMode {
        text,
        binary,
        closeConnection,
    };
    int sendMessage(
            const void *data, size_t size, SendMode mode = SendMode::text);

    std::string remoteHost() const;

protected:
    virtual int handleMessage(
            uint8_t headerByte, const uint8_t *msg, size_t len) = 0;

private:
    std::weak_ptr<ClientSocket> mClientSocket;

    OutputCallback mOutputCallback;
    sockaddr_in mRemoteAddr;
};