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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _SUPPLICANT_H
     18 #define _SUPPLICANT_H
     19 
     20 struct wpa_ctrl;
     21 class SupplicantListener;
     22 class ServiceManager;
     23 class Controller;
     24 class WifiController;
     25 class SupplicantStatus;
     26 
     27 #include <pthread.h>
     28 
     29 #include "WifiNetwork.h"
     30 #include "ISupplicantEventHandler.h"
     31 
     32 class Supplicant {
     33     struct wpa_ctrl      *mCtrl;
     34     struct wpa_ctrl      *mMonitor;
     35     SupplicantListener   *mListener;
     36     ServiceManager       *mServiceManager;
     37     WifiController       *mController;
     38     char                 *mInterfaceName;
     39 
     40     WifiNetworkCollection   *mNetworks;
     41     pthread_mutex_t         mNetworksLock;
     42     ISupplicantEventHandler *mHandlers;
     43 
     44 public:
     45     Supplicant(WifiController *wc, ISupplicantEventHandler *handlers);
     46     virtual ~Supplicant();
     47 
     48     int start();
     49     int stop();
     50     bool isStarted();
     51 
     52     int setScanMode(bool active);
     53     int triggerScan();
     54 
     55     WifiNetwork *createNetwork();
     56     WifiNetwork *lookupNetwork(int networkId);
     57     int removeNetwork(WifiNetwork *net);
     58     WifiNetworkCollection *createNetworkList();
     59     int refreshNetworkList();
     60 
     61     int setNetworkVar(int networkId, const char *var, const char *value);
     62     const char *getNetworkVar(int networkid, const char *var, char *buffer,
     63                               size_t max);
     64     int enableNetwork(int networkId, bool enabled);
     65 
     66     int disconnect();
     67     int reconnect();
     68     int reassociate();
     69     int setApScanMode(int mode);
     70     int enablePacketFilter();
     71     int disablePacketFilter();
     72     int setBluetoothCoexistenceMode(int mode);
     73     int enableBluetoothCoexistenceScan();
     74     int disableBluetoothCoexistenceScan();
     75     int stopDriver();
     76     int startDriver();
     77     int getRssi(int *buffer);
     78     int getLinkSpeed();
     79     int getNetworkCount();
     80 
     81     SupplicantStatus *getStatus();
     82 
     83     Controller *getController() { return (Controller *) mController; }
     84     const char *getInterfaceName() { return mInterfaceName; }
     85 
     86     int sendCommand(const char *cmd, char *reply, size_t *reply_len);
     87 
     88 private:
     89     int connectToSupplicant();
     90     int setupConfig();
     91     int retrieveInterfaceName();
     92     WifiNetwork *lookupNetwork_UNLOCKED(int networkId);
     93 };
     94 
     95 #endif
     96