LCOV - code coverage report
Current view: directory - toolkit/system/dbus - nsNetworkManagerListener.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 83 40 48.2 %
Date: 2012-06-02 Functions: 16 11 68.8 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* vim:expandtab:shiftwidth=4:tabstop=4:
       3                 :  */
       4                 : /* ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: NPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  *
       8                 :  * The contents of this file are subject to the Mozilla Public
       9                 :  * License Version 1.1 (the "License"); you may not use this file
      10                 :  * except in compliance with the License. You may obtain a copy of
      11                 :  * the License at http://www.mozilla.org/MPL/
      12                 :  *
      13                 :  * Software distributed under the License is distributed on an "AS
      14                 :  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
      15                 :  * implied. See the License for the specific language governing
      16                 :  * rights and limitations under the License.
      17                 :  *
      18                 :  * The Original Code is Novell code.
      19                 :  *
      20                 :  * The Initial Developer of the Original Code is Novell, Inc.
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2006
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Original Author: Robert O'Callahan (rocallahan@novell.com)
      25                 :  *
      26                 :  * Contributor(s):
      27                 :  *
      28                 :  * Alternatively, the contents of this file may be used under the terms of
      29                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      30                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      31                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      32                 :  * of those above. If you wish to allow use of your version of this file only
      33                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      34                 :  * use your version of this file under the terms of the NPL, indicate your
      35                 :  * decision by deleting the provisions above and replace them with the notice
      36                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      37                 :  * the provisions above, a recipient may use your version of this file under
      38                 :  * the terms of any one of the NPL, the GPL or the LGPL.
      39                 :  *
      40                 :  * ***** END LICENSE BLOCK ***** */
      41                 :  
      42                 : #include "nsNetworkManagerListener.h"
      43                 : 
      44                 : #include "nsNetCID.h"
      45                 : #include "nsServiceManagerUtils.h"
      46                 : #include "nsIObserverService.h"
      47                 : #include "nsStringAPI.h"
      48                 : #include "nsCRT.h"
      49                 : 
      50                 : // Define NetworkManager API constants. This avoids a dependency on
      51                 : // NetworkManager-devel.
      52                 : #define NM_DBUS_SERVICE                 "org.freedesktop.NetworkManager"
      53                 : #define NM_DBUS_PATH                            "/org/freedesktop/NetworkManager"
      54                 : #define NM_DBUS_INTERFACE                       "org.freedesktop.NetworkManager"
      55                 : #define NM_DBUS_SIGNAL_STATE_CHANGE             "StateChange" /* Deprecated in 0.7.x */
      56                 : #define NM_DBUS_SIGNAL_STATE_CHANGED            "StateChanged"
      57                 : 
      58                 : #define NM_STATE_CONNECTED_OLD    3 /* Before NM 0.9.0 */
      59                 : #define NM_STATE_CONNECTED_LOCAL  50
      60                 : #define NM_STATE_CONNECTED_SITE   60
      61                 : #define NM_STATE_CONNECTED_GLOBAL 70
      62                 : 
      63            1386 : nsNetworkManagerListener::nsNetworkManagerListener() :
      64                 :     mLinkUp(true), mNetworkManagerActive(false),
      65            1386 :     mOK(true), mManageIOService(true)
      66                 : {
      67            1386 : }
      68                 : 
      69            4149 : nsNetworkManagerListener::~nsNetworkManagerListener() {
      70            1383 :   if (mDBUS) {
      71            1383 :     mDBUS->RemoveClient(this);
      72                 :   }
      73            5532 : }
      74                 : 
      75           12488 : NS_IMPL_ISUPPORTS1(nsNetworkManagerListener, nsINetworkLinkService)
      76                 : 
      77                 : nsresult
      78               1 : nsNetworkManagerListener::GetIsLinkUp(bool* aIsUp) {
      79               1 :   *aIsUp = mLinkUp;
      80               1 :   return NS_OK;
      81                 : }
      82                 : 
      83                 : nsresult
      84               0 : nsNetworkManagerListener::GetLinkStatusKnown(bool* aKnown) {
      85               0 :   *aKnown = mNetworkManagerActive;
      86               0 :   return NS_OK;
      87                 : }
      88                 : 
      89                 : nsresult
      90               0 : nsNetworkManagerListener::GetLinkType(PRUint32 *aLinkType)
      91                 : {
      92               0 :   NS_ENSURE_ARG_POINTER(aLinkType);
      93                 : 
      94                 :   // XXX This function has not yet been implemented for this platform
      95               0 :   *aLinkType = nsINetworkLinkService::LINK_TYPE_UNKNOWN;
      96               0 :   return NS_OK;
      97                 : }
      98                 : 
      99                 : nsresult
     100            1386 : nsNetworkManagerListener::Init() {
     101            1386 :   mDBUS = nsDBusService::Get();
     102            1386 :   if (!mDBUS)
     103               0 :     return NS_ERROR_OUT_OF_MEMORY;
     104            1386 :   nsresult rv = mDBUS->AddClient(this);
     105            1386 :   if (NS_FAILED(rv)) {
     106               0 :     mDBUS = nsnull;
     107               0 :     return rv;
     108                 :   }
     109            1386 :   if (!mOK)
     110               0 :     return NS_ERROR_FAILURE;
     111            1386 :   return NS_OK;
     112                 : }
     113                 : 
     114                 : static void
     115            1386 : NetworkStatusNotify(DBusPendingCall *pending, void* user_data) {
     116            1386 :   DBusMessage* msg = dbus_pending_call_steal_reply(pending);
     117            1386 :   if (!msg)
     118               0 :     return;
     119            1386 :   if (dbus_message_get_type(msg) == DBUS_MESSAGE_TYPE_METHOD_RETURN) {
     120               0 :     static_cast<nsNetworkManagerListener*>(user_data)->UpdateNetworkStatus(msg);
     121                 :   }
     122            1386 :   dbus_message_unref(msg);
     123                 : }
     124                 : 
     125                 : void
     126            1386 : nsNetworkManagerListener::RegisterWithConnection(DBusConnection* connection) {
     127                 :   DBusError error;
     128            1386 :   dbus_error_init(&error);
     129                 :   
     130                 :   dbus_bus_add_match(connection,
     131                 :                      "type='signal',"
     132                 :                      "interface='" NM_DBUS_INTERFACE "',"
     133                 :                      "sender='" NM_DBUS_SERVICE "',"
     134            1386 :                      "path='" NM_DBUS_PATH "'", &error);
     135            1386 :   mOK = !dbus_error_is_set(&error);
     136            1386 :   dbus_error_free(&error);
     137            1386 :   if (!mOK)
     138               0 :     return;
     139                 :   
     140                 :   DBusMessage* msg =
     141                 :     dbus_message_new_method_call(NM_DBUS_SERVICE, NM_DBUS_PATH,
     142            1386 :                                  NM_DBUS_INTERFACE, "state");
     143            1386 :   if (!msg) {
     144               0 :     mOK = false;
     145               0 :     return;
     146                 :   }
     147                 :   
     148            1386 :   DBusPendingCall* reply = mDBUS->SendWithReply(this, msg);
     149            1386 :   if (!reply) {
     150               0 :     mOK = false;
     151               0 :     return;
     152                 :   }
     153                 : 
     154            1386 :   dbus_pending_call_set_notify(reply, NetworkStatusNotify, this, NULL);
     155            1386 :   dbus_pending_call_unref(reply);
     156                 : }
     157                 : 
     158                 : void
     159               0 : nsNetworkManagerListener::NotifyNetworkStatusObservers() {
     160                 :   nsCOMPtr<nsIObserverService> observerService =
     161               0 :     do_GetService("@mozilla.org/observer-service;1");
     162               0 :   if (!observerService)
     163                 :     return;
     164                 :     
     165                 :   const PRUnichar* status;
     166               0 :   if (mNetworkManagerActive) {
     167               0 :     status = mLinkUp ? NS_LITERAL_STRING(NS_NETWORK_LINK_DATA_UP).get()
     168               0 :                      : NS_LITERAL_STRING(NS_NETWORK_LINK_DATA_DOWN).get();
     169                 :   } else {
     170               0 :     status = NS_LITERAL_STRING(NS_NETWORK_LINK_DATA_UNKNOWN).get();
     171                 :   }
     172                 : 
     173               0 :   observerService->NotifyObservers(static_cast<nsISupports*>(this),
     174               0 :                                    NS_NETWORK_LINK_TOPIC, status);
     175                 : }
     176                 : 
     177                 : void
     178               0 : nsNetworkManagerListener::UnregisterWithConnection(DBusConnection* connection) {
     179               0 :   mNetworkManagerActive = false;
     180               0 :   NotifyNetworkStatusObservers();
     181               0 : }
     182                 : 
     183                 : bool
     184            1386 : nsNetworkManagerListener::HandleMessage(DBusMessage* message) {
     185            2772 :   if (dbus_message_is_signal(message, NM_DBUS_INTERFACE,
     186            1386 :                              NM_DBUS_SIGNAL_STATE_CHANGE) ||
     187                 :       dbus_message_is_signal(message, NM_DBUS_INTERFACE,
     188            1386 :                              NM_DBUS_SIGNAL_STATE_CHANGED)) {
     189               0 :     UpdateNetworkStatus(message);
     190               0 :     return true;
     191                 :   }
     192            1386 :   return false;
     193                 : }
     194                 : 
     195                 : void
     196               0 : nsNetworkManagerListener::UpdateNetworkStatus(DBusMessage* msg) {
     197                 :   PRInt32 result;
     198               0 :   if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_UINT32, &result,
     199               0 :                              DBUS_TYPE_INVALID))
     200               0 :     return;
     201                 : 
     202               0 :   mNetworkManagerActive = true;
     203                 :   
     204               0 :   bool wasUp = mLinkUp;
     205                 :   mLinkUp = result == NM_STATE_CONNECTED_OLD ||
     206                 :             result == NM_STATE_CONNECTED_LOCAL ||
     207                 :             result == NM_STATE_CONNECTED_SITE ||
     208               0 :             result == NM_STATE_CONNECTED_GLOBAL;
     209               0 :   if (wasUp == mLinkUp)
     210               0 :     return;
     211                 : 
     212               0 :   NotifyNetworkStatusObservers();
     213                 : }
     214                 : 

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