gecko/netwerk/wifi/nsWifiAccessPoint.cpp

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Geolocation.
*
* The Initial Developer of the Original Code is Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* This is a derivative of work done by Google under a BSD style License.
* See: http://gears.googlecode.com/svn/trunk/gears/geolocation/
*
* Contributor(s):
* Doug Turner <dougt@meer.net> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsWifiAccessPoint.h"
#include "nsString.h"
#include "nsMemory.h"
#include "prlog.h"
#if defined(PR_LOGGING)
extern PRLogModuleInfo *gWifiMonitorLog;
#endif
#define LOG(args) PR_LOG(gWifiMonitorLog, PR_LOG_DEBUG, args)
NS_IMPL_THREADSAFE_ISUPPORTS1(nsWifiAccessPoint, nsIWifiAccessPoint)
nsWifiAccessPoint::nsWifiAccessPoint()
{
// make sure these are null terminated (because we are paranoid)
mMac[0] = nsnull;
mSsid[0] = nsnull;
mSsidLen = 0;
}
nsWifiAccessPoint::~nsWifiAccessPoint()
{
}
NS_IMETHODIMP nsWifiAccessPoint::GetMac(nsACString& aMac)
{
aMac.Assign(mMac);
return NS_OK;
}
NS_IMETHODIMP nsWifiAccessPoint::GetSsid(nsAString& aSsid)
{
// just assign and embedded nulls will truncate resulting
// in a displayable string.
CopyASCIItoUTF16(mSsid, aSsid);
return NS_OK;
}
NS_IMETHODIMP nsWifiAccessPoint::GetRawSSID(nsACString& aRawSsid)
{
aRawSsid.Assign(mSsid, mSsidLen); // SSIDs are 32 chars long
return NS_OK;
}
NS_IMETHODIMP nsWifiAccessPoint::GetSignal(PRInt32 *aSignal)
{
NS_ENSURE_ARG(aSignal);
*aSignal = mSignal;
return NS_OK;
}
// Helper functions:
PRBool AccessPointsEqual(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)
{
if (a.Count() != b.Count()) {
LOG(("AccessPoint lists have different lengths\n"));
return PR_FALSE;
}
for (PRInt32 i = 0; i < a.Count(); i++) {
LOG(("++ Looking for %s\n", a[i]->mSsid));
PRBool found = PR_FALSE;
for (PRInt32 j = 0; j < b.Count(); j++) {
LOG((" %s->%s | %s->%s\n", a[i]->mSsid, b[j]->mSsid, a[i]->mMac, b[j]->mMac));
if (!strcmp(a[i]->mSsid, b[j]->mSsid) &&
!strcmp(a[i]->mMac, b[j]->mMac)) {
found = PR_TRUE;
}
}
if (!found)
return PR_FALSE;
}
LOG((" match!\n"));
return PR_TRUE;
}
void ReplaceArray(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)
{
a.Clear();
// better way to copy?
for (PRInt32 i = 0; i < b.Count(); i++) {
a.AppendObject(b[i]);
}
b.Clear();
}