mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
130 lines
4.5 KiB
C++
130 lines
4.5 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 "windows.h"
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#include "wlanapi.h"
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#include "stdlib.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 "nsIMutableArray.h"
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using namespace mozilla;
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nsresult
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nsWifiMonitor::DoScan()
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{
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HINSTANCE wlan_library = LoadLibrary("Wlanapi.dll");
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if (!wlan_library)
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return NS_ERROR_NOT_AVAILABLE;
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WlanOpenHandleFunction WlanOpenHandle = (WlanOpenHandleFunction) GetProcAddress(wlan_library, "WlanOpenHandle");
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WlanEnumInterfacesFunction WlanEnumInterfaces = (WlanEnumInterfacesFunction) GetProcAddress(wlan_library, "WlanEnumInterfaces");
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WlanGetNetworkBssListFunction WlanGetNetworkBssList = (WlanGetNetworkBssListFunction) GetProcAddress(wlan_library, "WlanGetNetworkBssList");
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WlanFreeMemoryFunction WlanFreeMemory = (WlanFreeMemoryFunction) GetProcAddress(wlan_library, "WlanFreeMemory");
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WlanCloseHandleFunction WlanCloseHandle = (WlanCloseHandleFunction) GetProcAddress(wlan_library, "WlanCloseHandle");
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if (!WlanOpenHandle ||
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!WlanEnumInterfaces ||
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!WlanGetNetworkBssList ||
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!WlanFreeMemory ||
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!WlanCloseHandle)
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return NS_ERROR_FAILURE;
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// Regularly get the access point data.
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nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
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nsCOMArray<nsWifiAccessPoint> accessPoints;
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do {
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accessPoints.Clear();
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// Get the handle to the WLAN API.
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DWORD negotiated_version;
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HANDLE wlan_handle = NULL;
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// We could be executing on either Windows XP or Windows Vista, so use the
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// lower version of the client WLAN API. It seems that the negotiated version
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// is the Vista version irrespective of what we pass!
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static const int kXpWlanClientVersion = 1;
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if ((*WlanOpenHandle)(kXpWlanClientVersion,
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NULL,
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&negotiated_version,
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&wlan_handle) != ERROR_SUCCESS) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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// try again later.
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if (!wlan_handle)
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return NS_ERROR_FAILURE;
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// Get the list of interfaces. WlanEnumInterfaces allocates interface_list.
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WLAN_INTERFACE_INFO_LIST *interface_list = NULL;
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if ((*WlanEnumInterfaces)(wlan_handle, NULL, &interface_list) != ERROR_SUCCESS) {
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// try again later
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(*WlanCloseHandle)(wlan_handle, NULL);
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return NS_ERROR_FAILURE;
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}
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// Go through the list of interfaces and get the data for each.
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for (int i = 0; i < static_cast<int>(interface_list->dwNumberOfItems); ++i) {
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WLAN_BSS_LIST *bss_list;
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HRESULT rv = (*WlanGetNetworkBssList)(wlan_handle,
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&interface_list->InterfaceInfo[i].InterfaceGuid,
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NULL, // Use all SSIDs.
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DOT11_BSS_TYPE_UNUSED,
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false, // bSecurityEnabled - unused
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NULL, // reserved
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&bss_list);
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if (rv != ERROR_SUCCESS) {
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continue;
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}
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for (int j = 0; j < static_cast<int>(bss_list->dwNumberOfItems); ++j) {
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nsWifiAccessPoint* ap = new nsWifiAccessPoint();
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if (!ap)
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continue;
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const WLAN_BSS_ENTRY bss_entry = bss_list->wlanBssEntries[j];
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ap->setMac(bss_entry.dot11Bssid);
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ap->setSignal(bss_entry.lRssi);
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ap->setSSID((char*) bss_entry.dot11Ssid.ucSSID,
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bss_entry.dot11Ssid.uSSIDLength);
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accessPoints.AppendObject(ap);
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}
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(*WlanFreeMemory)(bss_list);
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}
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// Free interface_list.
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(*WlanFreeMemory)(interface_list);
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// Close the handle.
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(*WlanCloseHandle)(wlan_handle, NULL);
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bool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
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ReplaceArray(lastAccessPoints, accessPoints);
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nsresult rv = CallWifiListeners(lastAccessPoints, accessPointsChanged);
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NS_ENSURE_SUCCESS(rv, rv);
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// wait for some reasonable amount of time. pref?
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LOG(("waiting on monitor\n"));
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ReentrantMonitorAutoEnter mon(mReentrantMonitor);
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mon.Wait(PR_SecondsToInterval(60));
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}
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while (mKeepGoing);
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return NS_OK;
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}
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