Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS 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 "shill/callback80211_metrics.h" |
| 6 | |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 7 | #include "shill/ieee80211.h" |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 8 | #include "shill/logging.h" |
| 9 | #include "shill/metrics.h" |
Wade Guthrie | bb9fca2 | 2013-04-10 17:21:42 -0700 | [diff] [blame] | 10 | #include "shill/netlink_manager.h" |
repo sync | dc085c8 | 2012-12-28 08:54:41 -0800 | [diff] [blame] | 11 | #include "shill/nl80211_message.h" |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 12 | |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 13 | namespace shill { |
| 14 | |
Wade Guthrie | bb9fca2 | 2013-04-10 17:21:42 -0700 | [diff] [blame] | 15 | Callback80211Metrics::Callback80211Metrics( |
| 16 | const NetlinkManager &netlink_manager, Metrics *metrics) |
Wade Guthrie | 318445d | 2013-05-16 14:05:28 -0700 | [diff] [blame] | 17 | : metrics_(metrics) {} |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 18 | |
Wade Guthrie | c6c8196 | 2013-03-06 15:47:13 -0800 | [diff] [blame] | 19 | void Callback80211Metrics::CollectDisconnectStatistics( |
| 20 | const NetlinkMessage &netlink_message) { |
Wade Guthrie | c6c8196 | 2013-03-06 15:47:13 -0800 | [diff] [blame] | 21 | // We only handle deauthenticate messages, which are nl80211 messages. |
Wade Guthrie | 318445d | 2013-05-16 14:05:28 -0700 | [diff] [blame] | 22 | if (netlink_message.message_type() != Nl80211Message::GetMessageType()) { |
Wade Guthrie | c6c8196 | 2013-03-06 15:47:13 -0800 | [diff] [blame] | 23 | return; |
| 24 | } |
| 25 | const Nl80211Message &message = |
| 26 | * reinterpret_cast<const Nl80211Message *>(&netlink_message); |
| 27 | |
Christopher Wiley | 764538d | 2012-11-09 10:58:23 -0800 | [diff] [blame] | 28 | if (metrics_ && |
Wade Guthrie | bdcdaa7 | 2013-03-04 12:47:12 -0800 | [diff] [blame] | 29 | message.command() == DeauthenticateMessage::kCommand) { |
Wade Guthrie | 0b1ebf1 | 2013-04-12 09:53:33 -0700 | [diff] [blame] | 30 | SLOG(WiFi, 3) << "Handling Deauthenticate Message"; |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 31 | Metrics::WiFiDisconnectByWhom by_whom = |
Wade Guthrie | efe1f0c | 2013-02-26 17:42:01 -0800 | [diff] [blame] | 32 | message.const_attributes()->IsFlagAttributeTrue( |
repo sync | 90ee0fa | 2012-12-18 10:08:08 -0800 | [diff] [blame] | 33 | NL80211_ATTR_DISCONNECTED_BY_AP) ? |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 34 | Metrics::kDisconnectedByAp : Metrics::kDisconnectedNotByAp; |
| 35 | uint16_t reason = static_cast<uint16_t>( |
| 36 | IEEE_80211::kReasonCodeInvalid); |
Wade Guthrie | 8343f7f | 2012-12-04 13:52:32 -0800 | [diff] [blame] | 37 | ByteString rawdata; |
Wade Guthrie | efe1f0c | 2013-02-26 17:42:01 -0800 | [diff] [blame] | 38 | if (message.const_attributes()->GetRawAttributeValue(NL80211_ATTR_FRAME, |
Wade Guthrie | c6c8196 | 2013-03-06 15:47:13 -0800 | [diff] [blame] | 39 | &rawdata)) { |
Wade Guthrie | 8343f7f | 2012-12-04 13:52:32 -0800 | [diff] [blame] | 40 | Nl80211Frame frame(rawdata); |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 41 | reason = frame.reason(); |
| 42 | } |
| 43 | IEEE_80211::WiFiReasonCode reason_enum = |
| 44 | static_cast<IEEE_80211::WiFiReasonCode>(reason); |
| 45 | metrics_->Notify80211Disconnect(by_whom, reason_enum); |
| 46 | } |
| 47 | } |
| 48 | |
Wade Guthrie | 5020b57 | 2012-10-12 15:51:14 -0700 | [diff] [blame] | 49 | } // namespace shill. |