1 /**
2 * BlueCove - Java library for Bluetooth
3 * Copyright (C) 2008 Michael Lifshits
4 * Copyright (C) 2008 Vlad Skarzhevskyy
5 *
6 * Licensed to the Apache Software Foundation (ASF) under one
7 * or more contributor license agreements. See the NOTICE file
8 * distributed with this work for additional information
9 * regarding copyright ownership. The ASF licenses this file
10 * to you under the Apache License, Version 2.0 (the
11 * "License"); you may not use this file except in compliance
12 * with the License. You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing,
17 * software distributed under the License is distributed on an
18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19 * KIND, either express or implied. See the License for the
20 * specific language governing permissions and limitations
21 * under the License.
22 *
23 * @author vlads
24 * @version $Id: ConnectionBufferRFCOMM.java 2578 2008-12-14 05:29:37Z skarzhevskyy $
25 */
26 package com.intel.bluetooth.emu;
27
28 import java.io.IOException;
29 import java.io.InputStream;
30 import java.io.OutputStream;
31
32 /**
33 *
34 */
35 class ConnectionBufferRFCOMM extends ConnectionBuffer {
36
37 ConnectionBufferRFCOMM(long remoteAddress, String portID, InputStream is, OutputStream os) {
38 super(remoteAddress, portID, is, os);
39 }
40
41 void rfWrite(byte[] b) throws IOException {
42 monitor.writeTimeStamp = System.currentTimeMillis();
43 monitor.writeOperations++;
44 monitor.writeBytes += b.length;
45 os.write(b);
46 }
47
48 /**
49 * Block till client reads all data.
50 */
51 void rfFlush() throws IOException {
52 os.flush();
53 }
54
55 int rfAvailable() throws IOException {
56 return is.available();
57 }
58
59 byte[] rfRead(int len) throws IOException {
60 byte[] b = new byte[len];
61 int rc = is.read(b);
62 if (rc == -1) {
63 return null;
64 }
65 monitor.readTimeStamp = System.currentTimeMillis();
66 monitor.readOperations++;
67 monitor.readBytes += rc;
68
69 if (rc == len) {
70 return b;
71 } else {
72 byte[] b2 = new byte[rc];
73 System.arraycopy(b, 0, b2, 0, rc);
74 return b2;
75 }
76 }
77
78 }