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-rw-r--r--dom/wifi/WifiUtils.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/dom/wifi/WifiUtils.h b/dom/wifi/WifiUtils.h
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+/* -*- 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