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dom/wifi/WifiUtils.h@b8a032363ba2 (annotated)

dom/wifi/WifiUtils.h

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	2	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	4
michael@0	5	/**
michael@0	6	* Abstraction on top of the wifi support from libhardware_legacy that we
michael@0	7	* use to talk to the wpa_supplicant.
michael@0	8	*/
michael@0	9
michael@0	10	#ifndef WifiUtils_h
michael@0	11	#define WifiUtils_h
michael@0	12
michael@0	13	#include "nsString.h"
michael@0	14	#include "nsAutoPtr.h"
michael@0	15	#include "mozilla/dom/WifiOptionsBinding.h"
michael@0	16	#include "mozilla/dom/network/NetUtils.h"
michael@0	17	#include "nsCxPusher.h"
michael@0	18
michael@0	19	// Needed to add a copy constructor to WifiCommandOptions.
michael@0	20	struct CommandOptions
michael@0	21	{
michael@0	22	public:
michael@0	23	CommandOptions(const CommandOptions& aOther) {
michael@0	24	mId = aOther.mId;
michael@0	25	mCmd = aOther.mCmd;
michael@0	26	mRequest = aOther.mRequest;
michael@0	27	mIfname = aOther.mIfname;
michael@0	28	mRoute = aOther.mRoute;
michael@0	29	mIpaddr = aOther.mIpaddr;
michael@0	30	mMask = aOther.mMask;
michael@0	31	mGateway = aOther.mGateway;
michael@0	32	mDns1 = aOther.mDns1;
michael@0	33	mDns2 = aOther.mDns2;
michael@0	34	mKey = aOther.mKey;
michael@0	35	mValue = aOther.mValue;
michael@0	36	mDefaultValue = aOther.mDefaultValue;
michael@0	37	}
michael@0	38
michael@0	39	CommandOptions(const mozilla::dom::WifiCommandOptions& aOther) {
michael@0	40
michael@0	41	#define COPY_OPT_FIELD(prop, defaultValue) \
michael@0	42	if (aOther.prop.WasPassed()) { \
michael@0	43	prop = aOther.prop.Value(); \
michael@0	44	} else { \
michael@0	45	prop = defaultValue; \
michael@0	46	}
michael@0	47
michael@0	48	#define COPY_FIELD(prop) prop = aOther.prop;
michael@0	49	COPY_FIELD(mId)
michael@0	50	COPY_FIELD(mCmd)
michael@0	51	COPY_OPT_FIELD(mRequest, EmptyString())
michael@0	52	COPY_OPT_FIELD(mIfname, EmptyString())
michael@0	53	COPY_OPT_FIELD(mIpaddr, 0)
michael@0	54	COPY_OPT_FIELD(mRoute, 0)
michael@0	55	COPY_OPT_FIELD(mMask, 0)
michael@0	56	COPY_OPT_FIELD(mGateway, 0)
michael@0	57	COPY_OPT_FIELD(mDns1, 0)
michael@0	58	COPY_OPT_FIELD(mDns2, 0)
michael@0	59	COPY_OPT_FIELD(mKey, EmptyString())
michael@0	60	COPY_OPT_FIELD(mValue, EmptyString())
michael@0	61	COPY_OPT_FIELD(mDefaultValue, EmptyString())
michael@0	62
michael@0	63	#undef COPY_OPT_FIELD
michael@0	64	#undef COPY_FIELD
michael@0	65	}
michael@0	66
michael@0	67	// All the fields, not Optional<> anymore to get copy constructors.
michael@0	68	nsString mCmd;
michael@0	69	nsString mDefaultValue;
michael@0	70	int32_t mDns1;
michael@0	71	int32_t mDns2;
michael@0	72	int32_t mGateway;
michael@0	73	int32_t mId;
michael@0	74	nsString mIfname;
michael@0	75	int32_t mIpaddr;
michael@0	76	nsString mKey;
michael@0	77	int32_t mMask;
michael@0	78	nsString mRequest;
michael@0	79	int32_t mRoute;
michael@0	80	nsString mValue;
michael@0	81	};
michael@0	82
michael@0	83	// Abstract class that exposes libhardware_legacy functions we need for
michael@0	84	// wifi management.
michael@0	85	// We use the ICS signatures here since they are likely more future-proof.
michael@0	86	class WpaSupplicantImpl
michael@0	87	{
michael@0	88	public:
michael@0	89	// Suppress warning from nsAutoPtr
michael@0	90	virtual ~WpaSupplicantImpl() {}
michael@0	91
michael@0	92	virtual int32_t
michael@0	93	do_wifi_wait_for_event(const char *iface, char *buf, size_t len) = 0; // KK == ICS != JB
michael@0	94
michael@0	95	virtual int32_t
michael@0	96	do_wifi_command(const char* iface, const char* cmd, char* buff, size_t* len) = 0; // KK == ICS != JB
michael@0	97
michael@0	98	virtual int32_t
michael@0	99	do_wifi_load_driver() = 0;
michael@0	100
michael@0	101	virtual int32_t
michael@0	102	do_wifi_unload_driver() = 0;
michael@0	103
michael@0	104	virtual int32_t
michael@0	105	do_wifi_start_supplicant(int32_t) = 0; // ICS != JB == KK
michael@0	106
michael@0	107	virtual int32_t
michael@0	108	do_wifi_stop_supplicant(int32_t) = 0; //ICS != JB == KK
michael@0	109
michael@0	110	virtual int32_t
michael@0	111	do_wifi_connect_to_supplicant(const char* iface) = 0; // KK == ICS != JB
michael@0	112
michael@0	113	virtual void
michael@0	114	do_wifi_close_supplicant_connection(const char* iface) = 0; // KK == ICS != JB
michael@0	115	};
michael@0	116
michael@0	117	// Concrete class to use to access the wpa supplicant.
michael@0	118	class WpaSupplicant MOZ_FINAL
michael@0	119	{
michael@0	120	public:
michael@0	121	WpaSupplicant();
michael@0	122
michael@0	123	// Use nsCString as the type of aInterface to guarantee it's
michael@0	124	// null-terminated so that we can pass it to c API without
michael@0	125	// conversion
michael@0	126	void WaitForEvent(nsAString& aEvent, const nsCString& aInterface);
michael@0	127	bool ExecuteCommand(CommandOptions aOptions,
michael@0	128	mozilla::dom::WifiResultOptions& result,
michael@0	129	const nsCString& aInterface);
michael@0	130
michael@0	131	private:
michael@0	132	nsAutoPtr<WpaSupplicantImpl> mImpl;
michael@0	133	nsAutoPtr<NetUtils> mNetUtils;
michael@0	134
michael@0	135	protected:
michael@0	136	void CheckBuffer(char* buffer, int32_t length, nsAString& aEvent);
michael@0	137	uint32_t MakeMask(uint32_t len);
michael@0	138	};
michael@0	139
michael@0	140	#endif // WifiUtils_h