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108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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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/**
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* Abstraction on top of the wifi support from libhardware_legacy that we
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* use to talk to the wpa_supplicant.
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*/
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#ifndef WifiUtils_h
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#define WifiUtils_h
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#include "nsString.h"
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#include "nsAutoPtr.h"
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#include "mozilla/dom/WifiOptionsBinding.h"
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#include "WifiHotspotUtils.h"
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// Needed to add a copy constructor to WifiCommandOptions.
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struct CommandOptions
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{
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public:
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CommandOptions(const mozilla::dom::WifiCommandOptions& aOther) {
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#define COPY_OPT_FIELD(prop, defaultValue) \
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if (aOther.prop.WasPassed()) { \
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prop = aOther.prop.Value(); \
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} else { \
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prop = defaultValue; \
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}
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#define COPY_FIELD(prop) prop = aOther.prop;
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COPY_FIELD(mId)
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COPY_FIELD(mCmd)
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COPY_OPT_FIELD(mRequest, EmptyString())
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#undef COPY_OPT_FIELD
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#undef COPY_FIELD
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}
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// All the fields, not Optional<> anymore to get copy constructors.
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nsString mCmd;
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int32_t mId;
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nsString mRequest;
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};
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// Abstract class that exposes libhardware_legacy functions we need for
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// wifi management.
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// We use the ICS signatures here since they are likely more future-proof.
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class WpaSupplicantImpl
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{
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public:
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// Suppress warning from nsAutoPtr
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virtual ~WpaSupplicantImpl() {}
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virtual int32_t
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do_wifi_wait_for_event(const char *iface, char *buf, size_t len) = 0; // KK == ICS != JB
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virtual int32_t
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do_wifi_command(const char* iface, const char* cmd, char* buff, size_t* len) = 0; // KK == ICS != JB
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virtual int32_t
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do_wifi_load_driver() = 0;
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virtual int32_t
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do_wifi_unload_driver() = 0;
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virtual int32_t
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do_wifi_start_supplicant(int32_t) = 0; // ICS != JB == KK
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virtual int32_t
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do_wifi_stop_supplicant(int32_t) = 0; //ICS != JB == KK
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virtual int32_t
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do_wifi_connect_to_supplicant(const char* iface) = 0; // KK == ICS != JB
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virtual void
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do_wifi_close_supplicant_connection(const char* iface) = 0; // KK == ICS != JB
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};
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// Concrete class to use to access the wpa supplicant.
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class WpaSupplicant final
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{
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public:
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WpaSupplicant();
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// Use nsCString as the type of aInterface to guarantee it's
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// null-terminated so that we can pass it to c API without
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// conversion
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void WaitForEvent(nsAString& aEvent, const nsCString& aInterface);
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bool ExecuteCommand(CommandOptions aOptions,
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mozilla::dom::WifiResultOptions& result,
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const nsCString& aInterface);
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private:
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nsAutoPtr<WpaSupplicantImpl> mImpl;
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nsAutoPtr<WifiHotspotUtils> mWifiHotspotUtils;
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uint32_t mSdkVersion;
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protected:
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void CheckBuffer(char* buffer, int32_t length, nsAString& aEvent);
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uint32_t MakeMask(uint32_t len);
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};
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#endif // WifiUtils_h
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