gecko/netwerk/wifi/nsWifiAccessPoint.cpp

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2012-05-21 04:12:37 -07:00
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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_ISUPPORTS(nsWifiAccessPoint, nsIWifiAccessPoint)
nsWifiAccessPoint::nsWifiAccessPoint()
{
// make sure these are null terminated (because we are paranoid)
mMac[0] = '\0';
mSsid[0] = '\0';
mSsidLen = 0;
mSignal = -1000;
}
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(int32_t *aSignal)
{
NS_ENSURE_ARG(aSignal);
*aSignal = mSignal;
return NS_OK;
}
// Helper functions:
bool AccessPointsEqual(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)
{
if (a.Count() != b.Count()) {
LOG(("AccessPoint lists have different lengths\n"));
return false;
}
for (int32_t i = 0; i < a.Count(); i++) {
LOG(("++ Looking for %s\n", a[i]->mSsid));
bool found = false;
for (int32_t 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) &&
a[i]->mSignal == b[j]->mSignal) {
found = true;
}
}
if (!found)
return false;
}
LOG((" match!\n"));
return true;
}
void ReplaceArray(nsCOMArray<nsWifiAccessPoint>& a, nsCOMArray<nsWifiAccessPoint>& b)
{
a.Clear();
// better way to copy?
for (int32_t i = 0; i < b.Count(); i++) {
a.AppendObject(b[i]);
}
b.Clear();
}