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Diffstat (limited to 'dom/wifi/WifiUtils.h')
-rw-r--r-- | dom/wifi/WifiUtils.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/dom/wifi/WifiUtils.h b/dom/wifi/WifiUtils.h new file mode 100644 index 000000000..a83ba9c15 --- /dev/null +++ b/dom/wifi/WifiUtils.h @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/** + * Abstraction on top of the wifi support from libhardware_legacy that we + * use to talk to the wpa_supplicant. + */ + +#ifndef WifiUtils_h +#define WifiUtils_h + +#include "nsString.h" +#include "mozilla/dom/WifiOptionsBinding.h" +#include "mozilla/UniquePtr.h" +#include "WifiHotspotUtils.h" + +// Needed to add a copy constructor to WifiCommandOptions. +struct CommandOptions +{ +public: + CommandOptions(const mozilla::dom::WifiCommandOptions& aOther) { + +#define COPY_OPT_FIELD(prop, defaultValue) \ + if (aOther.prop.WasPassed()) { \ + prop = aOther.prop.Value(); \ + } else { \ + prop = defaultValue; \ + } + +#define COPY_FIELD(prop) prop = aOther.prop; + COPY_FIELD(mId) + COPY_FIELD(mCmd) + COPY_OPT_FIELD(mRequest, EmptyString()) + +#undef COPY_OPT_FIELD +#undef COPY_FIELD + } + + // All the fields, not Optional<> anymore to get copy constructors. + nsString mCmd; + int32_t mId; + nsString mRequest; +}; + +// Abstract class that exposes libhardware_legacy functions we need for +// wifi management. +// We use the ICS signatures here since they are likely more future-proof. +class WpaSupplicantImpl +{ +public: + // Suppress warning from |UniquePtr| + virtual ~WpaSupplicantImpl() {} + + virtual int32_t + do_wifi_wait_for_event(const char *iface, char *buf, size_t len) = 0; // KK == ICS != JB + + virtual int32_t + do_wifi_command(const char* iface, const char* cmd, char* buff, size_t* len) = 0; // KK == ICS != JB + + virtual int32_t + do_wifi_load_driver() = 0; + + virtual int32_t + do_wifi_unload_driver() = 0; + + virtual int32_t + do_wifi_start_supplicant(int32_t) = 0; // ICS != JB == KK + + virtual int32_t + do_wifi_stop_supplicant(int32_t) = 0; //ICS != JB == KK + + virtual int32_t + do_wifi_connect_to_supplicant(const char* iface) = 0; // KK == ICS != JB + + virtual void + do_wifi_close_supplicant_connection(const char* iface) = 0; // KK == ICS != JB +}; + +// Concrete class to use to access the wpa supplicant. +class WpaSupplicant final +{ +public: + WpaSupplicant(); + + // Use nsCString as the type of aInterface to guarantee it's + // null-terminated so that we can pass it to c API without + // conversion + void WaitForEvent(nsAString& aEvent, const nsCString& aInterface); + bool ExecuteCommand(CommandOptions aOptions, + mozilla::dom::WifiResultOptions& result, + const nsCString& aInterface); + +private: + UniquePtr<WpaSupplicantImpl> mImpl; + UniquePtr<WifiHotspotUtils> mWifiHotspotUtils; + + uint32_t mSdkVersion; + +protected: + void CheckBuffer(char* buffer, int32_t length, nsAString& aEvent); + uint32_t MakeMask(uint32_t len); +}; + +#endif // WifiUtils_h |