1/*
2 * binder interface for wpa_supplicant daemon
3 * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com>
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10#include <binder/IServiceManager.h>
11
12#include "binder_constants.h"
13#include "binder_manager.h"
14
15extern "C" {
16#include "utils/common.h"
17#include "utils/includes.h"
18}
19
20namespace wpa_supplicant_binder {
21
22BinderManager *BinderManager::instance_ = NULL;
23
24BinderManager *BinderManager::getInstance()
25{
26	if (!instance_)
27		instance_ = new BinderManager();
28	return instance_;
29}
30
31void BinderManager::destroyInstance()
32{
33	if (instance_)
34		delete instance_;
35	instance_ = NULL;
36}
37
38int BinderManager::registerBinderService(struct wpa_global *global)
39{
40	/* Create the main binder service object and register with
41	 * system service manager. */
42	supplicant_object_ = new Supplicant(global);
43	android::String16 service_name(binder_constants::kServiceName);
44	android::defaultServiceManager()->addService(
45	    service_name, android::IInterface::asBinder(supplicant_object_));
46	return 0;
47}
48
49int BinderManager::registerInterface(struct wpa_supplicant *wpa_s)
50{
51	if (!wpa_s)
52		return 1;
53
54	/* Using the corresponding wpa_supplicant pointer as key to our
55	 * object map. */
56	const void *iface_key = wpa_s;
57
58	/* Return failure if we already have an object for that iface_key. */
59	if (iface_object_map_.find(iface_key) != iface_object_map_.end())
60		return 1;
61
62	iface_object_map_[iface_key] = new Iface(wpa_s);
63	if (!iface_object_map_[iface_key].get())
64		return 1;
65
66	wpa_s->binder_object_key = iface_key;
67
68	return 0;
69}
70
71int BinderManager::unregisterInterface(struct wpa_supplicant *wpa_s)
72{
73	if (!wpa_s || !wpa_s->binder_object_key)
74		return 1;
75
76	const void *iface_key = wpa_s;
77	if (iface_object_map_.find(iface_key) == iface_object_map_.end())
78		return 1;
79
80	/* Delete the corresponding iface object from our map. */
81	iface_object_map_.erase(iface_key);
82	wpa_s->binder_object_key = NULL;
83	return 0;
84}
85
86int BinderManager::getIfaceBinderObjectByKey(
87    const void *iface_object_key,
88    android::sp<fi::w1::wpa_supplicant::IIface> *iface_object)
89{
90	if (!iface_object_key || !iface_object)
91		return 1;
92
93	if (iface_object_map_.find(iface_object_key) == iface_object_map_.end())
94		return 1;
95
96	*iface_object = iface_object_map_[iface_object_key];
97	return 0;
98}
99
100} /* namespace wpa_supplicant_binder */
101