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>
25extern "C"
26{
27    #include "nfa_api.h"
28    #include "nfa_ee_api.h"
29}
30
31class RoutingManager
32{
33public:
34    static RoutingManager& getInstance ();
35    bool initialize(nfc_jni_native_data* native);
36    void enableRoutingToHost();
37    void disableRoutingToHost();
38    bool addAidRouting(const uint8_t* aid, uint8_t aidLen, int route, int aidInfo);
39    bool removeAidRouting(const uint8_t* aid, uint8_t aidLen);
40    bool commitRouting();
41    int registerT3tIdentifier(uint8_t* t3tId, uint8_t t3tIdLen);
42    void deregisterT3tIdentifier(int handle);
43    void onNfccShutdown();
44    int registerJniFunctions (JNIEnv* e);
45private:
46    RoutingManager();
47    ~RoutingManager();
48    RoutingManager(const RoutingManager&);
49    RoutingManager& operator=(const RoutingManager&);
50
51    void handleData (uint8_t technology, const uint8_t* data, uint32_t dataLen, tNFA_STATUS status);
52    void notifyActivated (uint8_t technology);
53    void notifyDeactivated (uint8_t 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_t event, tNFA_CONN_EVT_DATA* eventData);
67    static void nfcFCeCallback (uint8_t 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_t> 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