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      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 package com.android.bluetooth.gatt;
     17 
     18 import android.util.Log;
     19 import java.util.ArrayList;
     20 import java.util.Iterator;
     21 import java.util.List;
     22 import java.util.UUID;
     23 
     24 class ServiceDeclaration {
     25     private static final boolean DBG = GattServiceConfig.DBG;
     26     private static final String TAG = GattServiceConfig.TAG_PREFIX + "ServiceDeclaration";
     27 
     28     public static final byte TYPE_UNDEFINED = 0;
     29     public static final byte TYPE_SERVICE = 1;
     30     public static final byte TYPE_CHARACTERISTIC = 2;
     31     public static final byte TYPE_DESCRIPTOR = 3;
     32     public static final byte TYPE_INCLUDED_SERVICE = 4;
     33 
     34     class Entry {
     35         byte type = TYPE_UNDEFINED;
     36         UUID uuid = null;
     37         int instance = 0;
     38         int permissions = 0;
     39         int properties = 0;
     40         int serviceType = 0;
     41         int serviceHandle = 0;
     42 
     43         Entry(UUID uuid, int serviceType, int instance) {
     44             this.type = TYPE_SERVICE;
     45             this.uuid = uuid;
     46             this.instance = instance;
     47             this.serviceType = serviceType;
     48         }
     49 
     50         Entry(UUID uuid, int properties, int permissions, int instance) {
     51             this.type = TYPE_CHARACTERISTIC;
     52             this.uuid = uuid;
     53             this.instance = instance;
     54             this.permissions = permissions;
     55             this.properties = properties;
     56         }
     57 
     58         Entry(UUID uuid, int permissions) {
     59             this.type = TYPE_DESCRIPTOR;
     60             this.uuid = uuid;
     61             this.permissions = permissions;
     62         }
     63     }
     64 
     65     List<Entry> mEntries = null;
     66     int mNumHandles = 0;
     67 
     68     ServiceDeclaration() {
     69         mEntries = new ArrayList<Entry>();
     70     }
     71 
     72     void addService(UUID uuid, int serviceType, int instance, int minHandles) {
     73         mEntries.add(new Entry(uuid, serviceType, instance));
     74         if (minHandles == 0) {
     75             ++mNumHandles;
     76         } else {
     77             mNumHandles = minHandles;
     78         }
     79     }
     80 
     81     void addIncludedService(UUID uuid, int serviceType, int instance) {
     82         Entry entry = new Entry(uuid, serviceType, instance);
     83         entry.type = TYPE_INCLUDED_SERVICE;
     84         mEntries.add(entry);
     85         ++mNumHandles;
     86     }
     87 
     88     void addCharacteristic(UUID uuid, int properties, int permissions) {
     89         mEntries.add(new Entry(uuid, properties, permissions, 0 /*instance*/));
     90         mNumHandles += 2;
     91     }
     92 
     93     void addDescriptor(UUID uuid, int permissions) {
     94         mEntries.add(new Entry(uuid, permissions));
     95         ++mNumHandles;
     96     }
     97 
     98     Entry getNext() {
     99         if (mEntries.isEmpty()) return null;
    100         Entry entry = mEntries.get(0);
    101         mEntries.remove(0);
    102         return entry;
    103     }
    104 
    105     int getNumHandles() {
    106         return mNumHandles;
    107     }
    108 }
    109