mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-16 15:36:12 -04:00
130 lines
4.4 KiB
C++
130 lines
4.4 KiB
C++
// Copyright 2022 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 "sharing/share_target_info.h"
|
|
|
|
#include <cstdint>
|
|
#include <functional>
|
|
#include <memory>
|
|
#include <optional>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#include "absl/time/time.h"
|
|
#include "sharing/certificates/nearby_share_certificate_manager.h"
|
|
#include "sharing/constants.h"
|
|
#include "sharing/incoming_frames_reader.h"
|
|
#include "sharing/internal/public/context.h"
|
|
#include "sharing/internal/public/logging.h"
|
|
#include "sharing/nearby_connection.h"
|
|
#include "sharing/nearby_sharing_decoder.h"
|
|
#include "sharing/paired_key_verification_runner.h"
|
|
#include "sharing/share_target.h"
|
|
#include "sharing/transfer_metadata.h"
|
|
#include "sharing/transfer_metadata_builder.h"
|
|
|
|
namespace nearby::sharing {
|
|
namespace {
|
|
|
|
using ::location::nearby::proto::sharing::OSType;
|
|
|
|
} // namespace
|
|
|
|
ShareTargetInfo::ShareTargetInfo(
|
|
std::string endpoint_id, const ShareTarget& share_target)
|
|
: endpoint_id_(std::move(endpoint_id)),
|
|
self_share_(share_target.for_self_share),
|
|
share_target_(share_target) {}
|
|
|
|
ShareTargetInfo::ShareTargetInfo(ShareTargetInfo&&) = default;
|
|
|
|
ShareTargetInfo& ShareTargetInfo::operator=(ShareTargetInfo&&) = default;
|
|
|
|
ShareTargetInfo::~ShareTargetInfo() = default;
|
|
|
|
void ShareTargetInfo::UpdateTransferMetadata(
|
|
const TransferMetadata& transfer_metadata) {
|
|
if (got_final_status_) {
|
|
// If we already got a final status, we can ignore any subsequent final
|
|
// statuses caused by race conditions.
|
|
NL_VLOG(1)
|
|
<< __func__ << ": Transfer update decorator swallowed "
|
|
<< "status update because a final status was already received: "
|
|
<< share_target_.id << ": "
|
|
<< TransferMetadata::StatusToString(transfer_metadata.status());
|
|
return;
|
|
}
|
|
got_final_status_ = transfer_metadata.is_final_status();
|
|
InvokeTransferUpdateCallback(transfer_metadata);
|
|
}
|
|
|
|
void ShareTargetInfo::set_disconnect_status(
|
|
TransferMetadata::Status disconnect_status) {
|
|
disconnect_status_ = disconnect_status;
|
|
if (disconnect_status_ != TransferMetadata::Status::kUnknown &&
|
|
!TransferMetadata::IsFinalStatus(disconnect_status_)) {
|
|
NL_LOG(DFATAL) << "Disconnect status is not final: "
|
|
<< static_cast<int>(disconnect_status_);
|
|
}
|
|
}
|
|
|
|
bool ShareTargetInfo::OnConnected(absl::Time connect_start_time,
|
|
NearbyConnection* connection) {
|
|
if (!OnNewConnection(connection)) {
|
|
return false;
|
|
}
|
|
connection_start_time_ = connect_start_time;
|
|
connection_ = connection;
|
|
return true;
|
|
}
|
|
|
|
void ShareTargetInfo::RunPairedKeyVerification(
|
|
Context* context, NearbySharingDecoder* decoder, OSType os_type,
|
|
const PairedKeyVerificationRunner::VisibilityHistory& visibility_history,
|
|
NearbyShareCertificateManager* certificate_manager,
|
|
std::optional<std::vector<uint8_t>> token,
|
|
std::function<void(PairedKeyVerificationRunner::PairedKeyVerificationResult,
|
|
OSType)>
|
|
callback) {
|
|
if (!token) {
|
|
NL_VLOG(1) << __func__
|
|
<< ": Failed to read authentication token from endpoint - "
|
|
<< endpoint_id_;
|
|
std::move(callback)(
|
|
PairedKeyVerificationRunner::PairedKeyVerificationResult::kFail,
|
|
OSType::UNKNOWN_OS_TYPE);
|
|
return;
|
|
}
|
|
|
|
frames_reader_ =
|
|
std::make_shared<IncomingFramesReader>(context, decoder, connection_);
|
|
|
|
key_verification_runner_ = std::make_shared<PairedKeyVerificationRunner>(
|
|
context->GetClock(), os_type, IsIncoming(), visibility_history, *token,
|
|
connection_, certificate_, certificate_manager, frames_reader_.get(),
|
|
kReadFramesTimeout);
|
|
key_verification_runner_->Run(std::move(callback));
|
|
}
|
|
|
|
void ShareTargetInfo::OnDisconnect() {
|
|
if (disconnect_status_ != TransferMetadata::Status::kUnknown) {
|
|
UpdateTransferMetadata(
|
|
TransferMetadataBuilder().set_status(disconnect_status_).build());
|
|
}
|
|
connection_ = nullptr;
|
|
}
|
|
|
|
} // namespace nearby::sharing
|