You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.5 KiB
113 lines
3.5 KiB
/*
|
|
* Copyright 2018 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.
|
|
*/
|
|
|
|
#include "change_path.h"
|
|
|
|
namespace bluetooth {
|
|
namespace avrcp {
|
|
|
|
std::unique_ptr<ChangePathResponseBuilder>
|
|
ChangePathResponseBuilder::MakeBuilder(Status status,
|
|
uint32_t num_items_in_folder) {
|
|
std::unique_ptr<ChangePathResponseBuilder> builder(
|
|
new ChangePathResponseBuilder(status, num_items_in_folder));
|
|
|
|
return builder;
|
|
}
|
|
|
|
size_t ChangePathResponseBuilder::size() const {
|
|
size_t len = BrowsePacket::kMinSize();
|
|
len += 1; // Status
|
|
if (status_ != Status::NO_ERROR) return len;
|
|
|
|
len += 4; // Number of items in folder
|
|
return len;
|
|
}
|
|
|
|
bool ChangePathResponseBuilder::Serialize(
|
|
const std::shared_ptr<::bluetooth::Packet>& pkt) {
|
|
ReserveSpace(pkt, size());
|
|
|
|
BrowsePacketBuilder::PushHeader(pkt, size() - BrowsePacket::kMinSize());
|
|
|
|
AddPayloadOctets1(pkt, (uint8_t)status_);
|
|
if (status_ != Status::NO_ERROR) return true;
|
|
|
|
AddPayloadOctets4(pkt, base::ByteSwap(num_items_in_folder_));
|
|
return true;
|
|
}
|
|
|
|
uint16_t ChangePathRequest::GetUidCounter() const {
|
|
auto it = begin() + BrowsePacket::kMinSize();
|
|
return it.extractBE<uint16_t>();
|
|
}
|
|
|
|
Direction ChangePathRequest::GetDirection() const {
|
|
auto it = begin() + BrowsePacket::kMinSize() + static_cast<size_t>(2);
|
|
return static_cast<Direction>(*it);
|
|
}
|
|
|
|
uint64_t ChangePathRequest::GetUid() const {
|
|
auto it = begin() + BrowsePacket::kMinSize() + static_cast<size_t>(3);
|
|
return it.extractBE<uint64_t>();
|
|
}
|
|
|
|
bool ChangePathRequest::IsValid() const {
|
|
if (!BrowsePacket::IsValid()) return false;
|
|
// Change path request packets are always the same size
|
|
return size() == kMinSize();
|
|
}
|
|
|
|
std::string ChangePathRequest::ToString() const {
|
|
std::stringstream ss;
|
|
ss << "ChangePathRequestPacket: " << std::endl;
|
|
ss << " └ PDU = " << GetPdu() << std::endl;
|
|
ss << " └ Length = " << GetLength() << std::endl;
|
|
ss << " └ UID Counter = " << loghex(GetUidCounter()) << std::endl;
|
|
ss << " └ Direction = " << GetDirection() << std::endl;
|
|
ss << " └ UID Requested = " << loghex(GetUid()) << std::endl;
|
|
ss << std::endl;
|
|
|
|
return ss.str();
|
|
}
|
|
|
|
std::unique_ptr<ChangePathRequestBuilder> ChangePathRequestBuilder::MakeBuilder(
|
|
uint16_t uid_counter, Direction direction, uint64_t folder_uid) {
|
|
std::unique_ptr<ChangePathRequestBuilder> builder(
|
|
new ChangePathRequestBuilder(uid_counter, direction, folder_uid));
|
|
|
|
return builder;
|
|
}
|
|
|
|
size_t ChangePathRequestBuilder::size() const {
|
|
return ChangePathRequest::kMinSize();
|
|
}
|
|
|
|
bool ChangePathRequestBuilder::Serialize(
|
|
const std::shared_ptr<::bluetooth::Packet>& pkt) {
|
|
ReserveSpace(pkt, size());
|
|
|
|
BrowsePacketBuilder::PushHeader(pkt, size() - BrowsePacket::kMinSize());
|
|
|
|
AddPayloadOctets2(pkt, base::ByteSwap(uid_counter_));
|
|
AddPayloadOctets1(pkt, static_cast<uint8_t>(direction_));
|
|
AddPayloadOctets8(pkt, base::ByteSwap(folder_uid_));
|
|
return true;
|
|
}
|
|
|
|
} // namespace avrcp
|
|
} // namespace bluetooth
|