Added DeviceDescription::version with Privet version.

chrome/browser/local_discovery/device_description.cc

 // Copyright 2014 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 "chrome/browser/local_discovery/device_description.h"
 
 #include <vector>
 
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/local_discovery/privet_constants.h"
 #include "chrome/common/local_discovery/service_discovery_client.h"
 
 namespace local_discovery {
 
 namespace {
 
 DeviceDescription::ConnectionState
 ConnectionStateFromString(const std::string& str) {
   if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOnline)) {
     return DeviceDescription::ONLINE;
   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusOffline)) {
     return DeviceDescription::OFFLINE;
   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusConnecting)) {
     return DeviceDescription::CONNECTING;
   } else if (LowerCaseEqualsASCII(str, kPrivetConnectionStatusNotConfigured)) {
     return DeviceDescription::NOT_CONFIGURED;
   }
 
   return DeviceDescription::UNKNOWN;
 }
 
 }  // namespace
 
+DeviceDescription::DeviceDescription()
+    : version(0),
+      connection_state(UNKNOWN) {
+}
+
+DeviceDescription::~DeviceDescription() {
+}
+
 void DeviceDescription::FillFromServiceDescription(
     const ServiceDescription& service_description) {
   address = service_description.address;
   ip_address = service_description.ip_address;
   last_seen = service_description.last_seen;
 
   for (std::vector<std::string>::const_iterator i =
            service_description.metadata.begin();
        i != service_description.metadata.end();
        i++) {
     size_t equals_pos = i->find_first_of('=');
     if (equals_pos == std::string::npos)
       continue;  // We do not parse non key-value TXT records
 
     std::string key = i->substr(0, equals_pos);
     std::string value = i->substr(equals_pos + 1);
 
-    if (LowerCaseEqualsASCII(key, kPrivetTxtKeyName)) {
+    if (LowerCaseEqualsASCII(key, kPrivetTxtKeyVersion)) {
+      if (!base::StringToInt(value, &version))
+        continue;  // Unknown version.
+    } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyName)) {
       name = value;
     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyDescription)) {
       description = value;
     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyURL)) {
       url = value;
     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyType)) {
       type = value;
     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyID)) {
       id = value;
     } else if (LowerCaseEqualsASCII(key, kPrivetTxtKeyConnectionState)) {
       connection_state = ConnectionStateFromString(value);
     }
   }
 }
 
 
 }  // namespace local_discovery