01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.internal.cs;
22:
23: import com.db4o.foundation.*;
24: import com.db4o.foundation.network.*;
25: import com.db4o.internal.cs.messages.*;
26:
27: class BlobProcessor extends Thread {
28:
29: private ClientObjectContainer stream;
30: private Queue4 queue = new NonblockingQueue();
31: private boolean terminated = false;
32:
33: BlobProcessor(ClientObjectContainer aStream) {
34: stream = aStream;
35: setPriority(MIN_PRIORITY);
36: }
37:
38: void add(MsgBlob msg) {
39: synchronized (queue) {
40: queue.add(msg);
41: }
42: }
43:
44: synchronized boolean isTerminated() {
45: return terminated;
46: }
47:
48: public void run() {
49: try {
50: Socket4 socket = stream.createParalellSocket();
51:
52: MsgBlob msg = null;
53:
54: // no blobLock synchronisation here, since our first msg is valid
55: synchronized (queue) {
56: msg = (MsgBlob) queue.next();
57: }
58:
59: while (msg != null) {
60: msg.write(socket);
61: msg.processClient(socket);
62: synchronized (stream.blobLock) {
63: synchronized (queue) {
64: msg = (MsgBlob) queue.next();
65: }
66: if (msg == null) {
67: terminated = true;
68: Msg.CLOSE_SOCKET.write(socket);
69: try {
70: socket.close();
71: } catch (Exception e) {
72: }
73: }
74: }
75: }
76: } catch (Exception e) {
77: e.printStackTrace();
78: }
79: }
80:
81: }
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