forked from processing/processing
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathTweakClient.java
More file actions
188 lines (158 loc) · 5.02 KB
/
TweakClient.java
File metadata and controls
188 lines (158 loc) · 5.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-15 The Processing Foundation
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package processing.mode.java.tweak;
import java.net.*;
import java.nio.ByteBuffer;
public class TweakClient {
private DatagramSocket socket;
private InetAddress address;
private boolean initialized;
private int sketchPort;
static final int VAR_INT = 0;
static final int VAR_FLOAT = 1;
static final int SHUTDOWN = 0xffffffff;
public TweakClient(int sketchPort) {
this.sketchPort = sketchPort;
try {
socket = new DatagramSocket();
// only local sketch is allowed
address = InetAddress.getByName("127.0.0.1");
initialized = true;
} catch (SocketException e) {
initialized = false;
} catch (UnknownHostException e) {
socket.close();
initialized = false;
} catch (SecurityException e) {
socket.close();
initialized = false;
}
}
public void shutdown() {
if (initialized) {
// send shutdown to the sketch
sendShutdown();
initialized = false;
}
}
public boolean sendInt(int index, int val) {
if (initialized) {
try {
byte[] buf = new byte[12];
ByteBuffer bb = ByteBuffer.wrap(buf);
bb.putInt(0, VAR_INT);
bb.putInt(4, index);
bb.putInt(8, val);
DatagramPacket packet = new DatagramPacket(buf, buf.length, address, sketchPort);
socket.send(packet);
return true;
} catch (Exception e) { }
}
return false;
}
public boolean sendFloat(int index, float val) {
if (initialized) {
try {
byte[] buf = new byte[12];
ByteBuffer bb = ByteBuffer.wrap(buf);
bb.putInt(0, VAR_FLOAT);
bb.putInt(4, index);
bb.putFloat(8, val);
socket.send(new DatagramPacket(buf, buf.length, address, sketchPort));
return true;
} catch (Exception e) { }
}
return false;
}
public boolean sendShutdown() {
if (initialized) {
try {
byte[] buf = new byte[12];
ByteBuffer bb = ByteBuffer.wrap(buf);
bb.putInt(0, SHUTDOWN);
socket.send(new DatagramPacket(buf, buf.length, address, sketchPort));
return true;
} catch (Exception e) { }
}
return false;
}
static public String getServerCode(int listenPort,
boolean hasInts, boolean hasFloats) {
String serverCode = ""+
"class TweakModeServer extends Thread\n"+
"{\n"+
" protected DatagramSocket socket = null;\n"+
" protected boolean running = true;\n"+
" final int INT_VAR = 0;\n"+
" final int FLOAT_VAR = 1;\n"+
" final int SHUTDOWN = 0xffffffff;\n"+
" public TweakModeServer() {\n"+
" this(\"TweakModeServer\");\n"+
" }\n"+
" public TweakModeServer(String name) {\n"+
" super(name);\n"+
" }\n"+
" public void setup()\n"+
" {\n"+
" try {\n"+
" socket = new DatagramSocket("+listenPort+");\n"+
" socket.setSoTimeout(250);\n"+
" } catch (IOException e) {\n"+
" println(\"error: could not create TweakMode server socket\");\n"+
" }\n"+
" }\n"+
" public void run()\n"+
" {\n"+
" byte[] buf = new byte[256];\n"+
" while(running)\n"+
" {\n"+
" try {\n"+
" DatagramPacket packet = new DatagramPacket(buf, buf.length);\n"+
" socket.receive(packet);\n"+
" ByteBuffer bb = ByteBuffer.wrap(buf);\n"+
" int type = bb.getInt(0);\n"+
" int index = bb.getInt(4);\n";
if (hasInts) {
serverCode +=
" if (type == INT_VAR) {\n"+
" int val = bb.getInt(8);\n"+
" tweakmode_int[index] = val;\n"+
" }\n"+
" else ";
}
if (hasFloats) {
serverCode +=
" if (type == FLOAT_VAR) {\n"+
" float val = bb.getFloat(8);\n"+
" tweakmode_float[index] = val;\n"+
" }\n"+
" else";
}
serverCode +=
" if (type == SHUTDOWN) {\n"+
" running = false;\n"+
" }\n"+
" } catch (SocketTimeoutException e) {\n"+
" // nothing to do here just try receiving again\n"+
" } catch (Exception e) {\n"+
" }\n"+
" }\n"+
" socket.close();\n"+
" }\n"+
"}\n\n\n";
return serverCode;
}
}