1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <string>
18
19 #include "l2cap/classic/internal/dumpsys_helper.h"
20 #include "l2cap/classic/internal/fixed_channel_impl.h"
21 #include "l2cap/classic/internal/link.h"
22 #include "l2cap/classic/internal/link_manager.h"
23 #include "l2cap/internal/dynamic_channel_impl.h"
24 #include "l2cap_classic_module_generated.h"
25 #include "os/log.h"
26
DumpsysHelper(const LinkManager & link_manager)27 bluetooth::l2cap::classic::internal::DumpsysHelper::DumpsysHelper(const LinkManager& link_manager)
28 : link_manager_(link_manager) {}
29
30 std::vector<flatbuffers::Offset<bluetooth::l2cap::classic::ChannelData>>
DumpActiveDynamicChannels(flatbuffers::FlatBufferBuilder * fb_builder,const l2cap::internal::DynamicChannelAllocator & channel_allocator) const31 bluetooth::l2cap::classic::internal::DumpsysHelper::DumpActiveDynamicChannels(
32 flatbuffers::FlatBufferBuilder* fb_builder,
33 const l2cap::internal::DynamicChannelAllocator& channel_allocator) const {
34 std::vector<flatbuffers::Offset<bluetooth::l2cap::classic::ChannelData>> channel_offsets;
35
36 for (auto it = channel_allocator.channels_.cbegin(); it != channel_allocator.channels_.cend(); ++it) {
37 ChannelDataBuilder builder(*fb_builder);
38 builder.add_cid(it->first);
39 channel_offsets.push_back(builder.Finish());
40 }
41 return channel_offsets;
42 }
43
44 std::vector<flatbuffers::Offset<::bluetooth::l2cap::classic::ChannelData>>
DumpActiveFixedChannels(flatbuffers::FlatBufferBuilder * fb_builder,const bluetooth::l2cap::internal::FixedChannelAllocator<bluetooth::l2cap::classic::internal::FixedChannelImpl,bluetooth::l2cap::classic::internal::Link> & channel_allocator) const45 bluetooth::l2cap::classic::internal::DumpsysHelper::DumpActiveFixedChannels(
46 flatbuffers::FlatBufferBuilder* fb_builder,
47 const bluetooth::l2cap::internal::FixedChannelAllocator<
48 bluetooth::l2cap::classic::internal::FixedChannelImpl,
49 bluetooth::l2cap::classic::internal::Link>& channel_allocator) const {
50 std::vector<flatbuffers::Offset<bluetooth::l2cap::classic::ChannelData>> channel_offsets;
51
52 for (auto it = channel_allocator.channels_.cbegin(); it != channel_allocator.channels_.cend(); ++it) {
53 ChannelDataBuilder builder(*fb_builder);
54 builder.add_cid(it->first);
55 channel_offsets.push_back(builder.Finish());
56 }
57 return channel_offsets;
58 }
59
60 std::vector<flatbuffers::Offset<bluetooth::l2cap::classic::LinkData>>
DumpActiveLinks(flatbuffers::FlatBufferBuilder * fb_builder) const61 bluetooth::l2cap::classic::internal::DumpsysHelper::DumpActiveLinks(flatbuffers::FlatBufferBuilder* fb_builder) const {
62 const std::unordered_map<hci::Address, Link>* links = &link_manager_.links_;
63
64 std::vector<flatbuffers::Offset<LinkData>> link_offsets;
65
66 for (auto it = links->cbegin(); it != links->cend(); ++it) {
67 auto link_address = fb_builder->CreateString(it->second.ToString());
68 auto dynamic_channel_offsets = DumpActiveDynamicChannels(fb_builder, it->second.dynamic_channel_allocator_);
69 auto dynamic_channels = fb_builder->CreateVector(dynamic_channel_offsets);
70
71 auto fixed_channel_offsets = DumpActiveFixedChannels(fb_builder, it->second.fixed_channel_allocator_);
72 auto fixed_channels = fb_builder->CreateVector(fixed_channel_offsets);
73
74 LinkDataBuilder builder(*fb_builder);
75 builder.add_address(link_address);
76 builder.add_dynamic_channels(dynamic_channels);
77 builder.add_fixed_channels(fixed_channels);
78 link_offsets.push_back(builder.Finish());
79 }
80 return link_offsets;
81 }
82