1 | package geniusweb.simplerunner;
|
---|
2 |
|
---|
3 | import java.io.IOException;
|
---|
4 | import java.nio.charset.StandardCharsets;
|
---|
5 | import java.nio.file.Files;
|
---|
6 | import java.nio.file.Paths;
|
---|
7 | import java.util.logging.Level;
|
---|
8 |
|
---|
9 | import com.fasterxml.jackson.core.JsonProcessingException;
|
---|
10 | import com.fasterxml.jackson.databind.ObjectMapper;
|
---|
11 |
|
---|
12 | import geniusweb.events.ProtocolEvent;
|
---|
13 | import geniusweb.protocol.CurrentNegoState;
|
---|
14 | import geniusweb.protocol.NegoProtocol;
|
---|
15 | import geniusweb.protocol.NegoSettings;
|
---|
16 | import geniusweb.protocol.NegoState;
|
---|
17 | import geniusweb.protocol.partyconnection.ProtocolToPartyConnFactory;
|
---|
18 | import tudelft.utilities.logging.Reporter;
|
---|
19 |
|
---|
20 | /**
|
---|
21 | * A simple tool to run a negotiation stand-alone, without starting the servers.
|
---|
22 | * All referred files and classes need to be stored locally (or be in the
|
---|
23 | * dependency list if you use maven).
|
---|
24 | *
|
---|
25 | */
|
---|
26 | public class NegoRunner implements Runnable {
|
---|
27 | private final NegoSettings settings;
|
---|
28 | private final NegoProtocol protocol;
|
---|
29 | private final ProtocolToPartyConnFactory connectionfactory;
|
---|
30 | protected final Reporter log;
|
---|
31 | private boolean properlyStopped = false;
|
---|
32 | private final static ObjectMapper jackson = new ObjectMapper();
|
---|
33 | private final int LOOPTIME = 200;// ms
|
---|
34 | private long maxruntime;
|
---|
35 |
|
---|
36 | /**
|
---|
37 | *
|
---|
38 | * @param settings the {@link NegoSettings}
|
---|
39 | * @param connectionfactory the {@link ProtocolToPartyConnFactory}
|
---|
40 | * @param logger the {@link Reporter} to log problems
|
---|
41 | * @param maxruntime limit in millisecs. Ignored if 0
|
---|
42 | */
|
---|
43 | public NegoRunner(NegoSettings settings,
|
---|
44 | ProtocolToPartyConnFactory connectionfactory, Reporter logger,
|
---|
45 | long maxruntime) {
|
---|
46 | if (settings == null || connectionfactory == null) {
|
---|
47 | throw new NullPointerException("Arguments must be not null");
|
---|
48 | }
|
---|
49 | this.settings = settings;
|
---|
50 | this.log = logger;
|
---|
51 | this.protocol = settings.getProtocol(log);
|
---|
52 | this.connectionfactory = connectionfactory;
|
---|
53 | this.maxruntime = maxruntime;
|
---|
54 | }
|
---|
55 |
|
---|
56 | /**
|
---|
57 | *
|
---|
58 | * @return true if the runner has finished
|
---|
59 | */
|
---|
60 | public boolean isProperlyStopped() {
|
---|
61 | return properlyStopped;
|
---|
62 | }
|
---|
63 |
|
---|
64 | @Override
|
---|
65 | public void run() {
|
---|
66 | protocol.addListener(evt -> handle(evt));
|
---|
67 | protocol.start(connectionfactory);
|
---|
68 | long remainingtime = maxruntime;
|
---|
69 | while (!properlyStopped && (maxruntime == 0 || remainingtime > 0)) {
|
---|
70 | try {
|
---|
71 | Thread.sleep(LOOPTIME);
|
---|
72 | remainingtime -= LOOPTIME;
|
---|
73 | } catch (InterruptedException e) {
|
---|
74 | e.printStackTrace();
|
---|
75 | }
|
---|
76 | }
|
---|
77 | System.out.println("end run");
|
---|
78 | }
|
---|
79 |
|
---|
80 | private void handle(ProtocolEvent evt) {
|
---|
81 | if (evt instanceof CurrentNegoState && ((CurrentNegoState) evt)
|
---|
82 | .getState().isFinal(System.currentTimeMillis())) {
|
---|
83 | stop();
|
---|
84 | }
|
---|
85 | }
|
---|
86 |
|
---|
87 | protected void stop() {
|
---|
88 | logFinal(Level.INFO, protocol.getState());
|
---|
89 | properlyStopped = true;
|
---|
90 | }
|
---|
91 |
|
---|
92 | /**
|
---|
93 | * Separate so that we can intercept this when mocking, as this will crash
|
---|
94 | * on mocks because {@link #jackson} can not handle mocks.
|
---|
95 | *
|
---|
96 | * @param level the log {@link Level}
|
---|
97 | * @param state the {@link NegoState} to log
|
---|
98 | */
|
---|
99 | protected void logFinal(Level level, NegoState state) {
|
---|
100 | try {
|
---|
101 | log.log(level, "protocol ended normally: "
|
---|
102 | + jackson.writeValueAsString(protocol.getState()));
|
---|
103 | } catch (JsonProcessingException e) {
|
---|
104 | e.printStackTrace();
|
---|
105 | }
|
---|
106 | }
|
---|
107 |
|
---|
108 | /**
|
---|
109 | * The main runner
|
---|
110 | *
|
---|
111 | * @param args should have 1 argument, the settings.json file to be used.
|
---|
112 | * @throws IOException if problem occurs
|
---|
113 | */
|
---|
114 | public static void main(String[] args) throws IOException {
|
---|
115 | if (args.length != 1) {
|
---|
116 | showusage();
|
---|
117 | return;
|
---|
118 | }
|
---|
119 | String serialized = new String(Files.readAllBytes(Paths.get(args[0])),
|
---|
120 | StandardCharsets.UTF_8);
|
---|
121 | NegoSettings settings = jackson.readValue(serialized,
|
---|
122 | NegoSettings.class);
|
---|
123 |
|
---|
124 | NegoRunner runner = new NegoRunner(settings,
|
---|
125 | new ClassPathConnectionFactory(), new StdOutReporter(), 0);
|
---|
126 | runner.run();
|
---|
127 | }
|
---|
128 |
|
---|
129 | private static void showusage() {
|
---|
130 | System.err.println("GeniusWeb stand-alone runner.");
|
---|
131 | System.err.println("first argument should be <settings.json>.");
|
---|
132 | System.err.println(
|
---|
133 | "The settings.json file should contain the NegoSettings.");
|
---|
134 | System.err.println(
|
---|
135 | "See the settings.json example file and the GeniusWeb wiki pages. ");
|
---|
136 |
|
---|
137 | }
|
---|
138 |
|
---|
139 | /**
|
---|
140 | * @return protocol that runs/ran the session.
|
---|
141 | */
|
---|
142 | public NegoProtocol getProtocol() {
|
---|
143 | return protocol;
|
---|
144 | }
|
---|
145 | }
|
---|
146 |
|
---|
147 | class StdOutReporter implements Reporter {
|
---|
148 |
|
---|
149 | @Override
|
---|
150 | public void log(Level arg0, String arg1) {
|
---|
151 | System.out.println(arg0 + ":" + arg1);
|
---|
152 | }
|
---|
153 |
|
---|
154 | @Override
|
---|
155 | public void log(Level arg0, String arg1, Throwable arg2) {
|
---|
156 | System.out.println(arg0 + ">" + arg1);
|
---|
157 | }
|
---|
158 |
|
---|
159 | }
|
---|