mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 07:06:11 -04:00
137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
// Copyright 2025 Google LLC
|
|
//
|
|
// 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
|
|
//
|
|
// https://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 "connections/implementation/ble_l2cap_endpoint_channel.h"
|
|
|
|
#include <cstdint>
|
|
#include <memory>
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include "connections/implementation/base_endpoint_channel.h"
|
|
#include "connections/implementation/mediums/ble/ble_socket.h"
|
|
#include "internal/platform/ble.h"
|
|
#include "internal/platform/exception.h"
|
|
#include "internal/platform/input_stream.h"
|
|
#include "internal/platform/logging.h"
|
|
#include "internal/platform/output_stream.h"
|
|
#include "internal/platform/byte_array.h"
|
|
|
|
namespace nearby {
|
|
namespace connections {
|
|
|
|
namespace {
|
|
|
|
constexpr int kDefaultBleL2capMaxTransmitPacketSize = 1024; // 1024 bytes
|
|
|
|
OutputStream* GetOutputStreamOrNull(BleL2capSocket& socket) {
|
|
if (socket.IsValid()) {
|
|
return &socket.GetOutputStream();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
InputStream* GetInputStreamOrNull(BleL2capSocket& socket) {
|
|
if (socket.IsValid()) {
|
|
return &socket.GetInputStream();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
OutputStream* GetOutputStreamOrNull(mediums::BleSocket* socket) {
|
|
if (socket != nullptr && socket->IsValid()) {
|
|
return &socket->GetOutputStream();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
InputStream* GetInputStreamOrNull(mediums::BleSocket* socket) {
|
|
if (socket != nullptr && socket->IsValid()) {
|
|
return &socket->GetInputStream();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
BleL2capEndpointChannel::BleL2capEndpointChannel(
|
|
const std::string& service_id, const std::string& channel_name,
|
|
BleL2capSocket socket)
|
|
: BaseEndpointChannel(service_id, channel_name,
|
|
GetInputStreamOrNull(socket),
|
|
GetOutputStreamOrNull(socket)),
|
|
ble_l2cap_socket_(std::move(socket)) {}
|
|
|
|
BleL2capEndpointChannel::BleL2capEndpointChannel(
|
|
const std::string& service_id, const std::string& channel_name,
|
|
std::unique_ptr<mediums::BleSocket> socket)
|
|
: BaseEndpointChannel(service_id, channel_name,
|
|
GetInputStreamOrNull(socket.get()),
|
|
GetOutputStreamOrNull(socket.get())),
|
|
ble_l2cap_socket_2_(std::move(socket)) {}
|
|
|
|
location::nearby::proto::connections::Medium
|
|
BleL2capEndpointChannel::GetMedium() const {
|
|
return location::nearby::proto::connections::Medium::BLE_L2CAP;
|
|
}
|
|
|
|
int BleL2capEndpointChannel::GetMaxTransmitPacketSize() const {
|
|
return kDefaultBleL2capMaxTransmitPacketSize;
|
|
}
|
|
|
|
void BleL2capEndpointChannel::CloseImpl() {
|
|
if (ble_l2cap_socket_2_ != nullptr) {
|
|
if (!ble_l2cap_socket_2_->IsValid()) {
|
|
LOG(WARNING) << "BleL2capEndpointChannel " << GetName()
|
|
<< " is already closed.";
|
|
return;
|
|
}
|
|
Exception status = ble_l2cap_socket_2_->Close();
|
|
if (!status.Ok()) {
|
|
LOG(WARNING)
|
|
<< "Failed to close underlying socket for BleL2capEndpointChannel "
|
|
<< GetName() << ": exception=" << status.value;
|
|
}
|
|
} else {
|
|
if (!ble_l2cap_socket_.IsValid()) {
|
|
LOG(WARNING) << "BleL2capEndpointChannel " << GetName()
|
|
<< " is already closed.";
|
|
return;
|
|
}
|
|
Exception status = ble_l2cap_socket_.Close();
|
|
if (!status.Ok()) {
|
|
LOG(WARNING)
|
|
<< "Failed to close underlying socket for BleL2capEndpointChannel "
|
|
<< GetName() << ": exception=" << status.value;
|
|
}
|
|
}
|
|
|
|
LOG(INFO) << "BleL2capEndpointChannel " << GetName() << " is already closed.";
|
|
}
|
|
|
|
ExceptionOr<ByteArray> BleL2capEndpointChannel::DispatchPacket() {
|
|
return ble_l2cap_socket_2_->DispatchPacket();
|
|
}
|
|
|
|
ExceptionOr<std::int32_t> BleL2capEndpointChannel::ReadPayloadLength() {
|
|
return ble_l2cap_socket_2_->ReadPayloadLength();
|
|
}
|
|
|
|
Exception BleL2capEndpointChannel::WritePayloadLength(int payload_length) {
|
|
return ble_l2cap_socket_2_->WritePayloadLength(payload_length);
|
|
}
|
|
|
|
} // namespace connections
|
|
} // namespace nearby
|