1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <errno.h>
18#include <sys/types.h>
19#include <pthread.h>
20
21#define LOG_TAG "SupplicantListener"
22#include <cutils/log.h>
23
24#include "libwpa_client/wpa_ctrl.h"
25
26#include "SupplicantListener.h"
27#include "ISupplicantEventHandler.h"
28#include "SupplicantEventFactory.h"
29#include "SupplicantEvent.h"
30#include "SupplicantAssociatingEvent.h"
31#include "SupplicantAssociatedEvent.h"
32#include "SupplicantConnectedEvent.h"
33#include "SupplicantScanResultsEvent.h"
34#include "SupplicantStateChangeEvent.h"
35
36SupplicantListener::SupplicantListener(ISupplicantEventHandler *handlers,
37                                       struct wpa_ctrl *monitor) :
38                    SocketListener(wpa_ctrl_get_fd(monitor), false) {
39    mHandlers = handlers;
40    mMonitor = monitor;
41    mFactory = new SupplicantEventFactory();
42}
43
44bool SupplicantListener::onDataAvailable(SocketClient *cli) {
45    char buf[255];
46    size_t buflen = sizeof(buf);
47    int rc;
48    size_t nread = buflen - 1;
49
50    if ((rc = wpa_ctrl_recv(mMonitor, buf, &nread))) {
51        LOGE("wpa_ctrl_recv failed (%s)", strerror(errno));
52        return false;
53    }
54
55    buf[nread] = '\0';
56    if (!rc && !nread) {
57        LOGD("Received EOF on supplicant socket\n");
58        strncpy(buf, WPA_EVENT_TERMINATING " - signal 0 received", buflen-1);
59        buf[buflen-1] = '\0';
60        return false;
61    }
62
63    SupplicantEvent *evt = mFactory->createEvent(buf, nread);
64
65    if (!evt) {
66        LOGW("Dropping unknown supplicant event '%s'", buf);
67        return true;
68    }
69
70    // Call the appropriate handler
71    if (evt->getType() == SupplicantEvent::EVENT_ASSOCIATING)
72        mHandlers->onAssociatingEvent((SupplicantAssociatingEvent *) evt);
73    else if (evt->getType() == SupplicantEvent::EVENT_ASSOCIATED)
74        mHandlers->onAssociatedEvent((SupplicantAssociatedEvent *) evt);
75    else if (evt->getType() == SupplicantEvent::EVENT_CONNECTED)
76        mHandlers->onConnectedEvent((SupplicantConnectedEvent *) evt);
77    else if (evt->getType() == SupplicantEvent::EVENT_SCAN_RESULTS)
78        mHandlers->onScanResultsEvent((SupplicantScanResultsEvent *) evt);
79    else if (evt->getType() == SupplicantEvent::EVENT_STATE_CHANGE)
80        mHandlers->onStateChangeEvent((SupplicantStateChangeEvent *) evt);
81    else if (evt->getType() == SupplicantEvent::EVENT_CONNECTIONTIMEOUT)
82        mHandlers->onConnectionTimeoutEvent((SupplicantConnectionTimeoutEvent *) evt);
83    else if (evt->getType() == SupplicantEvent::EVENT_DISCONNECTED)
84        mHandlers->onDisconnectedEvent((SupplicantDisconnectedEvent *) evt);
85    else
86        LOGW("Whoops - no handler available for event '%s'\n", buf);
87#if 0
88    else if (evt->getType() == SupplicantEvent::EVENT_TERMINATING)
89        mHandlers->onTerminatingEvent(evt);
90    else if (evt->getType() == SupplicantEvent::EVENT_PASSWORD_CHANGED)
91        mHandlers->onPasswordChangedEvent(evt);
92    else if (evt->getType() == SupplicantEvent::EVENT_EAP_NOTIFICATION)
93        mHandlers->onEapNotificationEvent(evt);
94    else if (evt->getType() == SupplicantEvent::EVENT_EAP_STARTED)
95        mHandlers->onEapStartedEvent(evt);
96    else if (evt->getType() == SupplicantEvent::EVENT_EAP_SUCCESS)
97        mHandlers->onEapSuccessEvent(evt);
98    else if (evt->getType() == SupplicantEvent::EVENT_EAP_FAILURE)
99        mHandlers->onEapFailureEvent(evt);
100    else if (evt->getType() == SupplicantEvent::EVENT_LINK_SPEED)
101        mHandlers->onLinkSpeedEvent(evt);
102    else if (evt->getType() == SupplicantEvent::EVENT_DRIVER_STATE)
103        mHandlers->onDriverStateEvent(evt);
104#endif
105
106    delete evt;
107
108    return true;
109}
110