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 DeviceDescription::ConnectionState
  19 ConnectionStateFromString(const std::string& str) {
  20   if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOnline)) {
  21     return DeviceDescription::ONLINE;
  22   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOffline)) {
  23     return DeviceDescription::OFFLINE;
  24   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusConnecting)) {
  25     return DeviceDescription::CONNECTING;
  26   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusNotConfigured)) {
  27     return DeviceDescription::NOT_CONFIGURED;
  28   }
  29
  30   return DeviceDescription::UNKNOWN;
  31 }
  32
  33 }  // namespace
  34
  35 DeviceDescription::DeviceDescription()
  36     : version(0),
  37       connection_state(UNKNOWN) {
  38 }
  39
  40 DeviceDescription::~DeviceDescription() {
  41 }
  42
  43 void DeviceDescription::FillFromServiceDescription(
  44     const ServiceDescription& service_description) {
  45   address = service_description.address;
  46   ip_address = service_description.ip_address;
  47   last_seen = service_description.last_seen;
  48
  49   for (std::vector<std::string>::const_iterator i =
  50            service_description.metadata.begin();
  51        i != service_description.metadata.end();
  52        i++) {
  53     size_t equals_pos = i->find_first_of('=');
  54     if (equals_pos == std::string::npos)
  55       continue;  // We do not parse non key-value TXT records
  56
  57     std::string key = i->substr(0, equals_pos);
  58     std::string value = i->substr(equals_pos + 1);
  59
  60     if (LowerCaseEqualsASCII(key, kPrivetTxtKeyVersion)) {
  61       if (!base::StringToInt(value, &version))
  62         continue;  // Unknown version.
  63     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyName)) {
  64       name = value;
  65     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyDescription)) {
  66       description = value;
  67     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyURL)) {
  68       url = value;
  69     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyType)) {
  70       type = value;
  71     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyID)) {
  72       id = value;
  73     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyConnectionState)) {
  74       connection_state = ConnectionStateFromString(value);
  75     }
  76   }
  77 }
  78
  79
  80 }  // namespace local_discovery