VISTA(Win7) 无线API

 

// WLAN Site Management Initialization

WlanOpenHandle(

    WLAN_API_VERSION,  // current API version

    NULL,  // reserved, must be NULL

    &dwServiceVersion,  // version of the WLAN service

    &hClientHandle  // returned handle

    );

// WLAN Site Management De-initialization

WlanCloseHandle(

    hClientHandle,  // opened handle

    NULL  // reserved, must be NULL

); 

// Enumerate WLAN interfaces

PWLAN_INTERFACE_INFO_LIST pInterfaceList = NULL;

WlanEnumInterface(

    hClientHandle,  // opened handle

    NULL,  // reserved, must be NULL

    &pInterfaceList  // returned interface info list

); 

// Process interface information, obtain interface GUID

WlanFreeMemory(pInterfaceList);

 

/* Set interface property, e.g. turn off radio */

WLAN_PHY_RADIO_STATE wlanPhyRadioState;

wlanPhyRadioState.dwPhyIndex = 0;  // turn off the radio on 1st PHY

wlanPhyRadioState.dot11SoftwareRadioState = dot11_radio_state_off;

WlanSetInterface(

    hClientHandle,  // opened handle

    pInterfaceGuid,  // interface GUID

    wlan_intf_opcode_radio_state,  // opcode to set radio state

    sizeof(WLAN_PHY_RADIO_STATE),  // data size

    (PBYTE)&wlanPhyRadioState,  // pointer to the data

    NULL  // reserved, must be NULL 

    );   

// Register notifications

WlanRegisterNotification(

    hClientHandle,  // opened handle

    WLAN_NOTIFICATION_SOURCE_ALL,  // register all notifications

    FALSE,  // don’t ignore duplicate 

    NotificationCallBack,  // callback function

    pContext,  // context data

    NULL,  // reserved, must be NULL,

    NULL  // don’t return previous

);

// Callback function will be called in another thread when 

// a notification is available

 

// Perform a scan on a specific interfaces

WlanScan(

    hClientHandle,  // opened handle

    &pInterfaceGuid,  // interface GUID

    NULL,  // don’t probe 

    NULL,  // don’t probe

    NULL  // reserved, must be NULL

    );

 

// Query available networks. This is usually done when the scan 

// complete notification is received.

PWLAN_AVAILABLE_NETWORK_LIST pNetworkList = NULL;

WlanGetAvailableNetworkList(

    hClientHandle,  // opened handle

    pInterfaceGuid,  // interface GUID

    0,  // don’t include hidden/adhoc profiles

    NULL,  // reserved, must be NULL

    &pNetworkList  // pointer to the returned network list    

    ); 

// Process available networks

WlanFreeMemory(pNetworkList);

// Query the BSS list of a particular network or all networks. 

PWLAN_BSS_LIST pBssList = NULL;

WlanGetNetworkBssList(

    hClientHandle,  // opened handle

    pInterfaceGuid,  // interface GUID

    pSsid,  // SSID, pass in NULL for all networks

    dot11_BSS_type_infrastructure,  // BSS type

    TRUE,  // security enabled

    NULL,  // reserved, must be NULL

    &pNetworkList  // pointer to the returned BSS list    

    ); 

// Process BSS entries

PWLAN_BSS_ENTRY pBssEntry = &pNetworkList->wlanBssEntries[i];

// Process raw IE if needed

WlanFreeMemory(pBssList);

// Connect to a secure network without a profile 

// Prepare connection parameters

 

WLAN_CONNECTION_PARAMETERS ConnPara;

ConnPara.pDot11Ssid = pDot11Ssid;  // SSID

ConnPara.dot11BssType = dot11_BSS_type_infrastructure; // BSS type

ConnPara.pDesiredBssidList = NULL;  // no desired BSSID

ConnPara.strProfile = NULL;  // no profile

ConnPara.wlanConnectionMode = wlan_connection_mode_discovery_secure;

ConnPara.dwFlags = 0;  // no connection flag

WlanConnect(

    hClientHandle,  // opened handle

    pInterfaceGuid,  // interface GUID

    &ConnPara,  // connection parameters

    NULL  // reserved, must be NULL  

    ); 

// Update connection status upon receiving connection attempt fail 

// notification

VOID OnConnectionAttemptFail(

    PWLAN_CONNECTION_NOTIFICATION_DATA pConnNotifData 

    )

{

    // get the reason for the attempt failure

    WCHAR strReason[256];  // string buffer

    WlanReasonCodeToString(

        pConnNotifData->wlanReasonCode, // reason code failure

        256,  // size of the string buffer

        strReason,  // string buffer

        NULL  // reserved, must be NULL

        );

    // print out the string

}