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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/*
* 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 <memory>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include "os/handler.h"
#include "hci/acl_manager/le_acl_connection.h"
#include "hci/address.h"
#include "hci/address_with_type.h"
#include "hci/le_advertising_manager.h"
#include "l2cap/internal/parameter_provider.h"
#include "l2cap/internal/scheduler.h"
#include "l2cap/le/fixed_channel_manager.h"
#include "l2cap/le/internal/dynamic_channel_service_manager_impl.h"
#include "l2cap/le/internal/fixed_channel_service_manager_impl.h"
#include "l2cap/le/internal/link.h"
#include "l2cap/le/link_property_listener.h"
namespace bluetooth {
namespace l2cap {
namespace le {
namespace internal {
class LinkManager : public hci::acl_manager::LeConnectionCallbacks {
public:
LinkManager(
os::Handler* l2cap_handler,
hci::AclManager* acl_manager,
FixedChannelServiceManagerImpl* service_manager,
DynamicChannelServiceManagerImpl* dynamic_service_manager,
l2cap::internal::ParameterProvider* parameter_provider)
: l2cap_handler_(l2cap_handler),
acl_manager_(acl_manager),
fixed_channel_service_manager_(service_manager),
dynamic_channel_service_manager_(dynamic_service_manager),
parameter_provider_(parameter_provider) {
acl_manager_->RegisterLeCallbacks(this, l2cap_handler_);
}
LinkManager(const LinkManager&) = delete;
LinkManager& operator=(const LinkManager&) = delete;
struct PendingFixedChannelConnection {
os::Handler* handler_;
FixedChannelManager::OnConnectionFailureCallback on_fail_callback_;
};
struct PendingLink {
std::vector<PendingFixedChannelConnection> pending_fixed_channel_connections_;
};
// ACL methods
Link* GetLink(hci::AddressWithType address_with_type);
void OnLeConnectSuccess(hci::AddressWithType connecting_address_with_type,
std::unique_ptr<hci::acl_manager::LeAclConnection> acl_connection) override;
void OnLeConnectFail(hci::AddressWithType address_with_type, hci::ErrorCode reason) override;
// FixedChannelManager methods
void ConnectFixedChannelServices(hci::AddressWithType address_with_type,
PendingFixedChannelConnection pending_fixed_channel_connection);
// DynamicChannelManager methods
void ConnectDynamicChannelServices(hci::AddressWithType device,
Link::PendingDynamicChannelConnection pending_dynamic_channel_connection, Psm psm);
void OnDisconnect(hci::AddressWithType address_with_type);
// Link methods
void RegisterLinkPropertyListener(os::Handler* handler, LinkPropertyListener* listener);
void OnReadRemoteVersionInformationComplete(
hci::ErrorCode hci_status,
hci::AddressWithType address_with_type,
uint8_t lmp_version,
uint16_t manufacturer_name,
uint16_t sub_version);
// Reported by link to indicate how many pending packets are remaining to be set.
// If there is anything outstanding, don't delete link
void OnPendingPacketChange(hci::AddressWithType remote, int num_packets);
private:
// Dependencies
os::Handler* l2cap_handler_;
hci::AclManager* acl_manager_;
FixedChannelServiceManagerImpl* fixed_channel_service_manager_;
DynamicChannelServiceManagerImpl* dynamic_channel_service_manager_;
l2cap::internal::ParameterProvider* parameter_provider_;
// Internal states
std::unordered_map<hci::AddressWithType, PendingLink> pending_links_;
std::unordered_map<hci::AddressWithType, Link> links_;
std::unordered_map<hci::AddressWithType, std::list<std::pair<Psm, Link::PendingDynamicChannelConnection>>>
pending_dynamic_channels_;
os::Handler* link_property_callback_handler_ = nullptr;
LinkPropertyListener* link_property_listener_ = nullptr;
std::unordered_set<hci::AddressWithType> disconnected_links_;
std::unordered_set<hci::AddressWithType> links_with_pending_packets_;
};
} // namespace internal
} // namespace le
} // namespace l2cap
} // namespace bluetooth
|
