Jack2: JackWinNamedPipeNotifyChannel.cpp Source File

Jack2 1.9.12

JackWinNamedPipeNotifyChannel.cpp
1 /*
2 Copyright (C) 2004-2008 Grame
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18 */
19
20
21 #include "JackRequest.h"
22 #include "JackWinNamedPipeNotifyChannel.h"
23 #include "JackError.h"
24 #include "JackConstants.h"
25
26 namespace Jack
27 {
28
29 // Server to client
30 int JackWinNamedPipeNotifyChannel::Open(const char* name)
31 {
32 jack_log("JackWinNamedPipeNotifyChannel::Open name = %s", name);
33
34 // Connect to client listen pipe
35 if (fNotifyPipe.Connect(jack_client_dir, name, 0) < 0) {
36 jack_error("Cannot connect client pipe");
37 return -1;
38 }
39 // TODO : use a time out for notifications
40 fNotifyPipe.SetReadTimeOut(SOCKET_TIME_OUT);
41 return 0;
42 }
43
44 void JackWinNamedPipeNotifyChannel::Close()
45 {
46 jack_log("JackWinNamedPipeNotifyChannel::Close");
47 fNotifyPipe.Close();
48 }
49
50 void JackWinNamedPipeNotifyChannel::ClientNotify(int refnum, const char* name, int notify, int sync, const char* message, int value1, int value2, int* result)
51 {
52 JackClientNotification event(name, refnum, notify, sync, message, value1, value2);
53 JackResult res;
54
55 // Send notification
56 if (event.Write(&fNotifyPipe) < 0) {
57 jack_error("Could not write notification");
58 *result = -1;
59 return;
60 }
61
62 // Read the result in "synchronous" mode only
63 if (sync) {
64 // Get result : use a time out
65 if (res.Read(&fNotifyPipe) < 0) {
66 jack_error("Could not read result");
67 *result = -1;
68 } else {
69 *result = res.fResult;
70 }
71 } else {
72 *result = 0;
73 }
74 }
75
76 } // end of namespace
77
78
jack_log
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:108
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92