-
Notifications
You must be signed in to change notification settings - Fork 195
/
FtCli.java
178 lines (165 loc) · 4.93 KB
/
FtCli.java
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
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2024 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.http;
import java.io.IOException;
import java.util.Arrays;
import lombok.EqualsAndHashCode;
import org.takes.Take;
import org.takes.rq.RqWithHeader;
/**
* Front with a command line interface.
*
* <p>You must provide {@code --port} argument. Without it, the
* server won't start. If you want to start the server at random port, you
* should specify a file name as the value of this {@code --port} configuration
* option. For example:</p>
*
* <pre> new FtCLI(
* new TkText("hello, world!"),
* "--port=/tmp/port.txt",
* "--threads=1",
* "--lifetime=3000"
* ).start(Exit.NEVER);</pre>
*
* <p>The code above will start a server and will never stop it. It will
* work in the foreground. The server will be started at a random TCP
* port and its number will be saved to {@code /tmp/port.txt} file.</p>
*
* <p>The class is immutable and thread-safe.
*
* @since 0.1
*/
@EqualsAndHashCode
public final class FtCli implements Front {
/**
* Take.
*/
private final Take take;
/**
* Command line args.
*/
private final Options options;
/**
* Ctor.
* @param tks Take
* @param args Arguments
*/
public FtCli(final Take tks, final String... args) {
this(tks, Arrays.asList(args));
}
/**
* Ctor.
* @param tks Take
* @param args Arguments
*/
public FtCli(final Take tks, final Iterable<String> args) {
this.take = tks;
this.options = new Options(args);
}
@Override
public void start(final Exit exit) throws IOException {
final Take tks;
if (this.options.hitRefresh()) {
tks = request -> this.take.act(
new RqWithHeader(
request, "X-Takes-HitRefresh: yes"
)
);
} else {
tks = this.take;
}
final BkTimeable timeable = new BkTimeable(
new BkSafe(new BkBasic(tks)),
this.options.maxLatency()
);
timeable.setDaemon(true);
timeable.start();
final Front front = new FtBasic(
new BkParallel(
timeable,
this.options.threads()
),
this.options.socket()
);
if (this.options.isDaemon()) {
final Thread thread = new Thread(
() -> {
try {
front.start(this.exit(exit));
} catch (final IOException ex) {
throw new IllegalStateException(
"Failed to start the front",
ex
);
}
}
);
thread.setDaemon(true);
thread.start();
} else {
front.start(this.exit(exit));
}
}
/**
* Create exit.
* @param exit Original exit
* @return New exit
*/
private Exit exit(final Exit exit) {
final long start = System.currentTimeMillis();
final long max = this.options.lifetime();
return new Exit.Or(
exit,
new Lifetime(start, max)
);
}
/**
* Lifetime exceeded exit.
*
* @since 0.32.5
*/
private static final class Lifetime implements Exit {
/**
* Start time.
*/
private final long start;
/**
* Max lifetime.
*/
private final long max;
/**
* Ctor.
* @param start Start time
* @param max Max lifetime
*/
Lifetime(final long start, final long max) {
this.start = start;
this.max = max;
}
@Override
public boolean ready() {
return System.currentTimeMillis() - this.start > this.max;
}
}
}