mirror of
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58dea0dee9
PR_LOGGING is now always defined, we can remove #ifdefs checking for it.
184 lines
4.6 KiB
C++
184 lines
4.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsComponentManagerUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsThreadUtils.h"
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#include "nsXPCOM.h"
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#include "nsXPCOMCID.h"
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#include "nsIObserver.h"
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#include "nsIObserverService.h"
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#include "nsWifiMonitor.h"
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#include "nsWifiAccessPoint.h"
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#include "nsServiceManagerUtils.h"
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#include "nsComponentManagerUtils.h"
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#include "mozilla/Services.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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using namespace mozilla;
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PRLogModuleInfo *gWifiMonitorLog;
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NS_IMPL_ISUPPORTS(nsWifiMonitor,
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nsIWifiMonitor,
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nsIObserver,
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nsIWifiScanResultsReady)
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nsWifiMonitor::nsWifiMonitor()
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{
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gWifiMonitorLog = PR_NewLogModule("WifiMonitor");
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nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
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if (obsSvc) {
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obsSvc->AddObserver(this, "xpcom-shutdown", false);
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}
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LOG(("@@@@@ wifimonitor created\n"));
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}
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nsWifiMonitor::~nsWifiMonitor()
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{
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}
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NS_IMETHODIMP
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nsWifiMonitor::StartWatching(nsIWifiListener *aListener)
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{
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LOG(("@@@@@ nsWifiMonitor::StartWatching\n"));
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (!aListener) {
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return NS_ERROR_NULL_POINTER;
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}
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mListeners.AppendElement(nsWifiListener(new nsMainThreadPtrHolder<nsIWifiListener>(aListener)));
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if (!mTimer) {
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mTimer = do_CreateInstance("@mozilla.org/timer;1");
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mTimer->Init(this, 5000, nsITimer::TYPE_REPEATING_SLACK);
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}
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StartScan();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWifiMonitor::StopWatching(nsIWifiListener *aListener)
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{
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LOG(("@@@@@ nsWifiMonitor::StopWatching\n"));
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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if (!aListener) {
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return NS_ERROR_NULL_POINTER;
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}
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for (uint32_t i = 0; i < mListeners.Length(); i++) {
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if (mListeners[i].mListener == aListener) {
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mListeners.RemoveElementAt(i);
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break;
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}
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}
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if (mListeners.Length() == 0) {
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ClearTimer();
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}
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return NS_OK;
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}
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void
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nsWifiMonitor::StartScan()
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{
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nsCOMPtr<nsIInterfaceRequestor> ir = do_GetService("@mozilla.org/telephony/system-worker-manager;1");
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nsCOMPtr<nsIWifi> wifi = do_GetInterface(ir);
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if (!wifi) {
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return;
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}
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wifi->GetWifiScanResults(this);
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}
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NS_IMETHODIMP
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nsWifiMonitor::Observe(nsISupports *subject, const char *topic,
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const char16_t *data)
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{
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if (!strcmp(topic, "timer-callback")) {
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LOG(("timer callback\n"));
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StartScan();
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return NS_OK;
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}
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if (!strcmp(topic, "xpcom-shutdown")) {
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LOG(("Shutting down\n"));
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ClearTimer();
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return NS_OK;
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}
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return NS_ERROR_UNEXPECTED;
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}
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NS_IMETHODIMP
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nsWifiMonitor::Onready(uint32_t count, nsIWifiScanResult **results)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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LOG(("@@@@@ About to send data to the wifi listeners\n"));
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nsCOMArray<nsWifiAccessPoint> accessPoints;
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for (uint32_t i = 0; i < count; i++) {
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nsRefPtr<nsWifiAccessPoint> ap = new nsWifiAccessPoint();
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nsString temp;
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results[i]->GetBssid(temp);
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// 00:00:00:00:00:00 --> 00-00-00-00-00-00
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for (int32_t x=0; x<6; x++) {
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temp.ReplaceSubstring(NS_LITERAL_STRING(":"), NS_LITERAL_STRING("-")); // would it be too much to ask for a ReplaceAll()?
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}
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nsCString mac;
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mac.AssignWithConversion(temp);
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results[i]->GetSsid(temp);
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nsCString ssid;
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ssid.AssignWithConversion(temp);
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uint32_t signal;
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results[i]->GetSignalStrength(&signal);
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ap->setSignal(signal);
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ap->setMacRaw(mac.get());
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ap->setSSIDRaw(ssid.get(), ssid.Length());
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accessPoints.AppendObject(ap);
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}
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bool accessPointsChanged = !AccessPointsEqual(accessPoints, mLastAccessPoints);
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ReplaceArray(mLastAccessPoints, accessPoints);
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nsTArray<nsIWifiAccessPoint*> ac;
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uint32_t resultCount = mLastAccessPoints.Count();
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for (uint32_t i = 0; i < resultCount; i++) {
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ac.AppendElement(mLastAccessPoints[i]);
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}
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for (uint32_t i = 0; i < mListeners.Length(); i++) {
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if (!mListeners[i].mHasSentData || accessPointsChanged) {
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mListeners[i].mHasSentData = true;
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mListeners[i].mListener->OnChange(ac.Elements(), ac.Length());
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWifiMonitor::Onfailure()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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LOG(("@@@@@ About to send error to the wifi listeners\n"));
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for (uint32_t i = 0; i < mListeners.Length(); i++) {
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mListeners[i].mListener->OnError(NS_ERROR_UNEXPECTED);
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}
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ClearTimer();
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return NS_OK;
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}
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