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comparison tango/tango/net/cluster/tina/QueueThread.d @ 132:1700239cab2e trunk

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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*******************************************************************************
2
3 copyright: Copyright (c) 2004 Kris Bell. All rights reserved
4
5 license: BSD style: $(LICENSE)
6
7 version: July 2004: Initial release
8
9 author: Kris
10
11 *******************************************************************************/
12
13 module tango.net.cluster.tina.QueueThread;
14
15 private import tango.core.Exception;
16
17 private import tango.net.cluster.tina.ClusterQueue,
18 tango.net.cluster.tina.ClusterTypes,
19 tango.net.cluster.tina.ClusterThread;
20
21 /******************************************************************************
22
23 Thread for handling queue requests.
24
25 ******************************************************************************/
26
27 class QueueThread : ClusterThread
28 {
29 private ClusterQueue queue;
30
31 /**********************************************************************
32
33 Note that the conduit stays open until the client kills it
34
35 **********************************************************************/
36
37 this (AbstractServer server, IConduit conduit, Cluster cluster, ClusterQueue queue)
38 {
39 super (server, conduit, cluster);
40 this.queue = queue;
41 }
42
43 /**********************************************************************
44
45 process client requests
46
47 **********************************************************************/
48
49 void dispatch ()
50 {
51 ProtocolWriter.Command cmd;
52 long time;
53 char[] channel;
54 char[] element;
55
56 // wait for request to arrive
57 auto content = reader.getPacket (cmd, channel, element, time);
58
59 switch (cmd)
60 {
61 case ProtocolWriter.Command.AddQueue:
62 logger.trace (sprint ("{} add queue entry on channel '{}'", client, channel));
63
64 if (queue.put (channel, content))
65 writer.success;
66 else
67 writer.full ("cluster queue is full");
68 break;
69
70 case ProtocolWriter.Command.RemoveQueue:
71 logger.trace (sprint ("{} remove queue entry on channel '{}'", client, channel));
72
73 writer.reply (queue.get (channel));
74 break;
75
76 default:
77 throw new IllegalArgumentException ("invalid command");
78 }
79 }
80 }