1 /*
2  * Copyright (C) 2013 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 /*
18  *  Manage the listen-mode routing table.
19  */
20 #pragma once
21 #include "SyncEvent.h"
22 #include "NfcJniUtil.h"
23 #include "RouteDataSet.h"
24 #include <vector>
25 extern "C"
26 {
27     #include "nfa_api.h"
28     #include "nfa_ee_api.h"
29 }
30 
31 class RoutingManager
32 {
33 public:
34     static RoutingManager& getInstance ();
35     bool initialize(nfc_jni_native_data* native);
36     void enableRoutingToHost();
37     void disableRoutingToHost();
38     bool addAidRouting(const UINT8* aid, UINT8 aidLen, int route);
39     bool removeAidRouting(const UINT8* aid, UINT8 aidLen);
40     bool commitRouting();
41     void onNfccShutdown();
42     int registerJniFunctions (JNIEnv* e);
43 private:
44     RoutingManager();
45     ~RoutingManager();
46     RoutingManager(const RoutingManager&);
47     RoutingManager& operator=(const RoutingManager&);
48 
49     void handleData (const UINT8* data, UINT32 dataLen, tNFA_STATUS status);
50     void notifyActivated ();
51     void notifyDeactivated ();
52 
53     // See AidRoutingManager.java for corresponding
54     // AID_MATCHING_ constants
55 
56     // Every routing table entry is matched exact (BCM20793)
57     static const int AID_MATCHING_EXACT_ONLY = 0x00;
58     // Every routing table entry can be matched either exact or prefix
59     static const int AID_MATCHING_EXACT_OR_PREFIX = 0x01;
60     // Every routing table entry is matched as a prefix
61     static const int AID_MATCHING_PREFIX_ONLY = 0x02;
62 
63     static void nfaEeCallback (tNFA_EE_EVT event, tNFA_EE_CBACK_DATA* eventData);
64     static void stackCallback (UINT8 event, tNFA_CONN_EVT_DATA* eventData);
65     static int com_android_nfc_cardemulation_doGetDefaultRouteDestination (JNIEnv* e);
66     static int com_android_nfc_cardemulation_doGetDefaultOffHostRouteDestination (JNIEnv* e);
67     static int com_android_nfc_cardemulation_doGetAidMatchingMode (JNIEnv* e);
68 
69     std::vector<UINT8> mRxDataBuffer;
70 
71     // Fields below are final after initialize()
72     nfc_jni_native_data* mNativeData;
73     int mDefaultEe;
74     int mOffHostEe;
75     int mActiveSe;
76     int mAidMatchingMode;
77     bool mReceivedEeInfo;
78     tNFA_EE_DISCOVER_REQ mEeInfo;
79     tNFA_TECHNOLOGY_MASK mSeTechMask;
80     static const JNINativeMethod sMethods [];
81     SyncEvent mEeRegisterEvent;
82     SyncEvent mRoutingEvent;
83     SyncEvent mEeUpdateEvent;
84     SyncEvent mEeInfoEvent;
85     SyncEvent mEeSetModeEvent;
86 };
87 
88