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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cast/standalone_receiver/cast_service.h"
#include <utility>
#include "discovery/common/config.h"
#include "platform/api/tls_connection_factory.h"
#include "platform/base/interface_info.h"
#include "platform/base/tls_listen_options.h"
#include "util/osp_logging.h"
#include "util/stringprintf.h"
namespace openscreen {
namespace cast {
namespace {
constexpr uint16_t kDefaultCastServicePort = 8010;
constexpr int kDefaultMaxBacklogSize = 64;
const TlsListenOptions kDefaultListenOptions{kDefaultMaxBacklogSize};
IPEndpoint DetermineEndpoint(const InterfaceInfo& interface) {
const IPAddress address = interface.GetIpAddressV4()
? interface.GetIpAddressV4()
: interface.GetIpAddressV6();
OSP_CHECK(address);
return IPEndpoint{address, kDefaultCastServicePort};
}
discovery::Config MakeDiscoveryConfig(const InterfaceInfo& interface) {
return discovery::Config{.network_info = {interface}};
}
} // namespace
CastService::CastService(CastService::Configuration config)
: local_endpoint_(DetermineEndpoint(config.interface)),
credentials_(std::move(config.credentials)),
agent_(config.task_runner, credentials_.provider.get()),
mirroring_application_(config.task_runner,
local_endpoint_.address,
&agent_),
socket_factory_(&agent_, agent_.cast_socket_client()),
connection_factory_(
TlsConnectionFactory::CreateFactory(&socket_factory_,
config.task_runner)),
discovery_service_(config.enable_discovery
? discovery::CreateDnsSdService(
config.task_runner,
this,
MakeDiscoveryConfig(config.interface))
: LazyDeletedDiscoveryService()),
discovery_publisher_(
discovery_service_
? MakeSerialDelete<
discovery::DnsSdServicePublisher<ReceiverInfo>>(
config.task_runner,
discovery_service_.get(),
kCastV2ServiceId,
ReceiverInfoToDnsSdInstance)
: LazyDeletedDiscoveryPublisher()) {
connection_factory_->SetListenCredentials(credentials_.tls_credentials);
connection_factory_->Listen(local_endpoint_, kDefaultListenOptions);
if (discovery_publisher_) {
ReceiverInfo info;
info.port = local_endpoint_.port;
info.unique_id = HexEncode(config.interface.hardware_address);
info.friendly_name = config.friendly_name;
info.model_name = config.model_name;
info.capabilities = kHasVideoOutput | kHasAudioOutput;
const Error error = discovery_publisher_->Register(info);
if (!error.ok()) {
OnFatalError(std::move(error));
}
}
}
CastService::~CastService() {
if (discovery_publisher_) {
discovery_publisher_->DeregisterAll();
}
}
void CastService::OnFatalError(Error error) {
OSP_LOG_FATAL << "Encountered fatal discovery error: " << error;
}
void CastService::OnRecoverableError(Error error) {
OSP_LOG_ERROR << "Encountered recoverable discovery error: " << error;
}
} // namespace cast
} // namespace openscreen
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