chromium/third_party/openscreen/src/cast/common/public/receiver_info.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cast/common/public/receiver_info.h"

#include <algorithm>
#include <cctype>
#include <cinttypes>
#include <string>
#include <vector>

#include "discovery/mdns/public/mdns_constants.h"
#include "util/osp_logging.h"
#include "util/span_util.h"
#include "util/string_parse.h"

namespace openscreen::cast {
namespace {

// Maximum size for the receiver model prefix at start of MDNS service instance
// names. Any model names that are larger than this size will be truncated.
const size_t kMaxReceiverModelSize = …;

// Build the MDNS instance name for service. This will be the receiver model (up
// to 20 bytes) appended with the virtual receiver ID (receiver UUID) and
// optionally appended with extension at the end to resolve name conflicts. The
// total MDNS service instance name is kept below 64 bytes so it can easily fit
// into a single domain name label.
//
// NOTE: This value is based on what is currently done by Eureka, not what is
// called out in the CastV2 spec. Eureka uses |model|-|uuid|, so the same
// convention will be followed here. That being said, the Eureka receiver does
// not use the instance ID in any way, so the specific calculation used should
// not be important.
std::string CalculateInstanceId(const ReceiverInfo& info) { … }

}  // namespace

const std::string& ReceiverInfo::GetInstanceId() const { … }

bool ReceiverInfo::IsValid() const { … }

discovery::DnsSdInstance ReceiverInfoToDnsSdInstance(const ReceiverInfo& info) { … }

ErrorOr<ReceiverInfo> DnsSdInstanceEndpointToReceiverInfo(
    const discovery::DnsSdInstanceEndpoint& endpoint) { … }

}  // namespace openscreen::cast