91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
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/*
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#
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# wifi连接接口
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# 说明：通过进程间通信与wpa_supplicant进行交互实现wifi连接
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# 注意：使用该接口的应用运行前要确保wpa_supplicant应用已经启动
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# 并且能明确进程间通信地址。
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#
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*/
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#ifndef __WPA_CLIENT_H__
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#define __WPA_CLIENT_H__
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#include <string>
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#include <sys/un.h>
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#include "../utility/SH_MySingleton.hpp"
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#include "../common/SH_global.h"
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namespace wifi
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{
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#ifdef G2UL_GATEWAY
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const std::string WPA_PATH = "/var/run/wpa_supplicant/wlan0"; //进程间通信地址加上网络接口额名称
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#endif
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#ifdef IMX6UL_GATEWAY
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const std::string WPA_PATH = "/var/run/wpa_supplicant/wlan2"; //进程间通信地址加上网络接口额名称
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#endif
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struct WPAContext
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{
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int s;
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struct sockaddr_un local;
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struct sockaddr_un dest;
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};
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enum ConnectStatus
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{
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STEP_SCAN = 0,
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STEP_CONNECT_AP_OK,
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STEP_DHCP_IP,
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STEP_SUCCESS
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};
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class MXDHCP
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{ //dhcp ip地址的工具类，实现方法不算特别合理。可以根据具体情况进行更改
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public:
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MXDHCP();
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~MXDHCP();
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bool Start(const std::string& net_interface);
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bool GetDHCPStatus();
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private:
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bool CheckString(char *buf,int len);
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FILE *pstream;
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};
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class WPAClient //: public MySingleton<WPAClient>
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{
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public:
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WPAClient(const std::string& wpa_control_path = WPA_PATH);
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~WPAClient();
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bool GetInitStatus(){return wpa_context_!=NULL;} //获取wpa进程间通信是否建立连接
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int GetWiFiRssi(); //获取wifi信号强度，需要在连接成功之后调用
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std::string GetCurrentSSID(); //获取当前连接的wifi的名称
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bool ConnectWiFi(const std::string& ssid, const std::string& password); //连接加密wifi，传入wifi名称和密码
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bool ConnectWiFiWithNoPassword(const std::string& ssid); //连接无加密的wifi，传入wifi名称即可
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bool ConnectWiFiWithLast(); //直接连接上次已保存的wifi
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bool GetConnectStatus(); //获取wifi连接状态
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std::string GetNetSsid();
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void wifiup(); //mlan0 up
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bool CleanWifi();
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bool ReconnectWiFi(); //重新连接WIFI
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protected:
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bool Init();
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struct WPAContext* Open(const std::string& path);
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void Close(struct WPAContext* context);
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bool Request(struct WPAContext* context, const std::string& cmd,std::string& reply);
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bool CheckCommandWithOk(const std::string cmd);
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bool AddWiFi(int& id);
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bool SetScanSSID(int id);
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bool SetSSID(const std::string& ssid, int id);
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bool SetPassword(const std::string& password, int id);
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bool SetProtocol(int id, int en_crypt);
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bool CleanAllWiFi();
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bool EnableWiFi(int id);
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void SetConnStatus(ConnectStatus status);
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int GetConnStatus();
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protected:
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struct WPAContext* wpa_context_;
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std::string wpa_control_path_;
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MXDHCP dhcp_;
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private:
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int step_;
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};
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}
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#endif // __WPA_CLIENT_H__
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