1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
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
|
