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     int registerT3tIdentifier(UINT8* t3tId, UINT8 t3tIdLen);
42     void deregisterT3tIdentifier(int handle);
43     void onNfccShutdown();
44     int registerJniFunctions (JNIEnv* e);
45 private:
46     RoutingManager();
47     ~RoutingManager();
48     RoutingManager(const RoutingManager&);
49     RoutingManager& operator=(const RoutingManager&);
50 
51     void handleData (UINT8 technology, const UINT8* data, UINT32 dataLen, tNFA_STATUS status);
52     void notifyActivated (UINT8 technology);
53     void notifyDeactivated (UINT8 technology);
54 
55     // See AidRoutingManager.java for corresponding
56     // AID_MATCHING_ constants
57 
58     // Every routing table entry is matched exact (BCM20793)
59     static const int AID_MATCHING_EXACT_ONLY = 0x00;
60     // Every routing table entry can be matched either exact or prefix
61     static const int AID_MATCHING_EXACT_OR_PREFIX = 0x01;
62     // Every routing table entry is matched as a prefix
63     static const int AID_MATCHING_PREFIX_ONLY = 0x02;
64 
65     static void nfaEeCallback (tNFA_EE_EVT event, tNFA_EE_CBACK_DATA* eventData);
66     static void stackCallback (UINT8 event, tNFA_CONN_EVT_DATA* eventData);
67     static void nfcFCeCallback (UINT8 event, tNFA_CONN_EVT_DATA* eventData);
68 
69     static int com_android_nfc_cardemulation_doGetDefaultRouteDestination (JNIEnv* e);
70     static int com_android_nfc_cardemulation_doGetDefaultOffHostRouteDestination (JNIEnv* e);
71     static int com_android_nfc_cardemulation_doGetAidMatchingMode (JNIEnv* e);
72 
73     std::vector<UINT8> mRxDataBuffer;
74 
75     // Fields below are final after initialize()
76     nfc_jni_native_data* mNativeData;
77     int mDefaultEe;
78     int mDefaultEeNfcF;
79     int mOffHostEe;
80     int mActiveSe;
81     int mActiveSeNfcF;
82     int mAidMatchingMode;
83     int mNfcFOnDhHandle;
84     bool mReceivedEeInfo;
85     tNFA_EE_DISCOVER_REQ mEeInfo;
86     tNFA_TECHNOLOGY_MASK mSeTechMask;
87     static const JNINativeMethod sMethods [];
88     SyncEvent mEeRegisterEvent;
89     SyncEvent mRoutingEvent;
90     SyncEvent mEeUpdateEvent;
91     SyncEvent mEeInfoEvent;
92     SyncEvent mEeSetModeEvent;
93 };
94 
95