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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright 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 "common/bidi_queue.h"
#include "hci/address.h"
#include "l2cap/cid.h"
#include "l2cap/dynamic_channel.h"
#include "l2cap/internal/channel_impl.h"
#include "l2cap/internal/ilink.h"
#include "l2cap/l2cap_packets.h"
#include "l2cap/mtu.h"
#include "l2cap/psm.h"
#include "os/handler.h"
#include "os/log.h"
namespace bluetooth {
namespace l2cap {
namespace internal {
class DynamicChannelImpl : public l2cap::internal::ChannelImpl {
public:
DynamicChannelImpl(Psm psm, Cid cid, Cid remote_cid, l2cap::internal::ILink* link, os::Handler* l2cap_handler);
DynamicChannelImpl(const DynamicChannelImpl&) = delete;
DynamicChannelImpl& operator=(const DynamicChannelImpl&) = delete;
virtual ~DynamicChannelImpl() = default;
hci::AddressWithType GetDevice() const;
virtual void RegisterOnCloseCallback(DynamicChannel::OnCloseCallback on_close_callback);
virtual void Close();
virtual void OnClosed(hci::ErrorCode status);
virtual std::string ToString();
common::BidiQueueEnd<packet::BasePacketBuilder, packet::PacketView<packet::kLittleEndian>>* GetQueueUpEnd() {
return channel_queue_.GetUpEnd();
}
common::BidiQueueEnd<packet::PacketView<packet::kLittleEndian>, packet::BasePacketBuilder>* GetQueueDownEnd() {
return channel_queue_.GetDownEnd();
}
virtual Cid GetCid() const {
return cid_;
}
virtual Cid GetRemoteCid() const {
return remote_cid_;
}
virtual Psm GetPsm() const {
return psm_;
}
virtual void SetChannelTxPriority(bool high_priority) {
link_->SetChannelTxPriority(cid_, high_priority);
}
// TODO(cmanton) Do something a little bit better than this
bool local_initiated_{false};
private:
const Psm psm_;
const Cid cid_;
const Cid remote_cid_;
l2cap::internal::ILink* link_;
os::Handler* l2cap_handler_;
const hci::AddressWithType device_;
// User supported states
DynamicChannel::OnCloseCallback on_close_callback_{};
// Internal states
bool closed_ = false;
hci::ErrorCode close_reason_ = hci::ErrorCode::SUCCESS;
static constexpr size_t kChannelQueueSize = 5;
common::BidiQueue<packet::PacketView<packet::kLittleEndian>, packet::BasePacketBuilder> channel_queue_{
kChannelQueueSize};
};
} // namespace internal
} // namespace l2cap
} // namespace bluetooth
|
