chrome/browser/local_discovery/device_description.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/local_discovery/device_description.h"
   6
   7 #include <vector>
   8
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/string_util.h"
  11 #include "chrome/browser/local_discovery/privet_constants.h"
  12 #include "chrome/common/local_discovery/service_discovery_client.h"
  13
  14 namespace local_discovery {
  15
  16 namespace {
  17
  18 std::string GetValueByName(const std::vector<std::string>& metadata,
  19                            const std::string& name) {
  20   std::string prefix(name + "=");
  21   for (const std::string& record : metadata) {
  22     if (StartsWithASCII(record, prefix, false)) {
  23       return record.substr(prefix.size());
  24     }
  25   }
  26   return std::string();
  27 }
  28
  29 }  // namespace
  30
  31 DeviceDescription::DeviceDescription() : version(0) {
  32 }
  33
  34 DeviceDescription::DeviceDescription(
  35     const ServiceDescription& service_description) {
  36   address = service_description.address;
  37
  38   const std::vector<std::string>& metadata = service_description.metadata;
  39   if (!base::StringToInt(GetValueByName(metadata, kPrivetTxtKeyVersion),
  40                          &version)) {
  41     version = 0;
  42   }
  43   name = GetValueByName(metadata, kPrivetTxtKeyName);
  44   description = GetValueByName(metadata, kPrivetTxtKeyDescription);
  45   if (version >= 3) {
  46     type = GetValueByName(metadata, kPrivetTxtKeyDevicesClass);
  47     id = GetValueByName(metadata, kPrivetTxtKeyGcdID);
  48   } else {
  49     type = GetValueByName(metadata, kPrivetTxtKeyType);
  50     id = GetValueByName(metadata, kPrivetTxtKeyID);
  51   }
  52 }
  53
  54 DeviceDescription::~DeviceDescription() {
  55 }
  56
  57 }  // namespace local_discovery