1 /*
2  * Copyright (C) 2006 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 package com.android.server.am;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.os.IBinder;
22 import android.util.ArrayMap;
23 import android.util.ArraySet;
24 
25 import java.io.PrintWriter;
26 
27 /**
28  * A particular Intent that has been bound to a Service.
29  */
30 final class IntentBindRecord {
31     /** The running service. */
32     final ServiceRecord service;
33     /** The intent that is bound.*/
34     final Intent.FilterComparison intent; //
35     /** All apps that have bound to this Intent. */
36     final ArrayMap<ProcessRecord, AppBindRecord> apps
37             = new ArrayMap<ProcessRecord, AppBindRecord>();
38     /** Binder published from service. */
39     IBinder binder;
40     /** Set when we have initiated a request for this binder. */
41     boolean requested;
42     /** Set when we have received the requested binder. */
43     boolean received;
44     /** Set when we still need to tell the service all clients are unbound. */
45     boolean hasBound;
46     /** Set when the service's onUnbind() has asked to be told about new clients. */
47     boolean doRebind;
48 
49     String stringName;      // caching of toString
50 
dump(PrintWriter pw, String prefix)51     void dump(PrintWriter pw, String prefix) {
52         pw.print(prefix); pw.print("service="); pw.println(service);
53         dumpInService(pw, prefix);
54     }
55 
dumpInService(PrintWriter pw, String prefix)56     void dumpInService(PrintWriter pw, String prefix) {
57         pw.print(prefix); pw.print("intent={");
58                 pw.print(intent.getIntent().toShortString(false, true, false, false));
59                 pw.println('}');
60         pw.print(prefix); pw.print("binder="); pw.println(binder);
61         pw.print(prefix); pw.print("requested="); pw.print(requested);
62                 pw.print(" received="); pw.print(received);
63                 pw.print(" hasBound="); pw.print(hasBound);
64                 pw.print(" doRebind="); pw.println(doRebind);
65         for (int i=0; i<apps.size(); i++) {
66             AppBindRecord a = apps.valueAt(i);
67             pw.print(prefix); pw.print("* Client AppBindRecord{");
68                     pw.print(Integer.toHexString(System.identityHashCode(a)));
69                     pw.print(' '); pw.print(a.client); pw.println('}');
70             a.dumpInIntentBind(pw, prefix + "  ");
71         }
72     }
73 
IntentBindRecord(ServiceRecord _service, Intent.FilterComparison _intent)74     IntentBindRecord(ServiceRecord _service, Intent.FilterComparison _intent) {
75         service = _service;
76         intent = _intent;
77     }
78 
collectFlags()79     int collectFlags() {
80         int flags = 0;
81         for (int i=apps.size()-1; i>=0; i--) {
82             final ArraySet<ConnectionRecord> connections = apps.valueAt(i).connections;
83             for (int j=connections.size()-1; j>=0; j--) {
84                 flags |= connections.valueAt(j).flags;
85             }
86         }
87         return flags;
88     }
89 
toString()90     public String toString() {
91         if (stringName != null) {
92             return stringName;
93         }
94         StringBuilder sb = new StringBuilder(128);
95         sb.append("IntentBindRecord{");
96         sb.append(Integer.toHexString(System.identityHashCode(this)));
97         sb.append(' ');
98         if ((collectFlags()&Context.BIND_AUTO_CREATE) != 0) {
99             sb.append("CR ");
100         }
101         sb.append(service.shortName);
102         sb.append(':');
103         if (intent != null) {
104             intent.getIntent().toShortString(sb, false, false, false, false);
105         }
106         sb.append('}');
107         return stringName = sb.toString();
108     }
109 }
110