leeonky / test-charm-java / 212

Committed 14 Apr 2025 05:15AM UTC coverage: 74.088% (-0.1%) from 74.209%

Build # 212

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push

circleci

Committed by

leeonky

Commit Message

Update version

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92.77

/DAL-extension-inspector/src/main/java/com/github/leeonky/dal/extensions/inspector/Inspector.java

package com.github.leeonky.dal.extensions.inspector;

import com.github.leeonky.dal.DAL;
import com.github.leeonky.dal.ast.node.DALNode;
import com.github.leeonky.dal.runtime.Data;
import com.github.leeonky.dal.runtime.RuntimeContextBuilder.DALRuntimeContext;
import com.github.leeonky.interpreter.InterpreterException;
import com.github.leeonky.util.Sneaky;
import io.javalin.Javalin;
import io.javalin.http.Context;
import io.javalin.http.staticfiles.Location;
import io.javalin.websocket.WsContext;
import org.apache.tika.Tika;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.time.Duration;
import java.time.Instant;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.function.Supplier;
import java.util.stream.Collectors;

import static com.github.leeonky.util.function.Extension.getFirstPresent;
import static java.lang.Long.parseLong;
import static java.util.Objects.requireNonNull;
import static java.util.Optional.ofNullable;

public class Inspector {
    private static Inspector inspector = null;
    private static Mode mode = null;
    private final Javalin javalin;
    private final CountDownLatch serverReadyLatch = new CountDownLatch(1);
    private final Set<DAL> instances = new LinkedHashSet<>();
    //   TODO refactor
    private final Map<String, WsContext> clientConnections = new ConcurrentHashMap<>();
    private final Map<String, Set<String>> clientMonitors = new ConcurrentHashMap<>();
    private final Map<String, DalInstance> dalInstances = new ConcurrentHashMap<>();
    private static Supplier<Object> defaultInput = () -> null;

    public Inspector() {
        DalInstance defaultInstance = new DalInstance(() -> defaultInput.get(), DAL.create("Try It!", InspectorExtension.class), "");
        defaultInstance.running = false;
        dalInstances.put("Try It!", defaultInstance);
        javalin = Javalin.create(config -> config.addStaticFiles("/public", Location.CLASSPATH))
                .events(event -> event.serverStarted(serverReadyLatch::countDown));
        requireNonNull(javalin.jettyServer()).setServerPort(getServerPort());
        javalin.get("/", ctx -> ctx.redirect("/index.html"));
        javalin.post("/api/execute", ctx -> ctx.html(execute(ctx.queryParam("name"), ctx.body())));
        javalin.post("/api/exchange", ctx -> exchange(ctx.queryParam("session"), ctx.body()));
        javalin.post("/api/pass", ctx -> pass(ctx.queryParam("name")));
        javalin.post("/api/release", ctx -> release(ctx.queryParam("name")));
        javalin.post("/api/release-all", ctx -> releaseAll());
        javalin.get("/api/request", ctx -> ctx.html(request(ctx.queryParam("name"))));
        javalin.get("/attachments", ctx -> responseAttachment(ctx.queryParam("name"), Integer.parseInt(ctx.queryParam("index")), ctx));
        javalin.ws("/ws/exchange", ws -> {
            ws.onConnect(ctx -> {
                clientConnections.put(ctx.getSessionId(), ctx);
                sendInstances(ctx);
            });
            ws.onClose(ctx -> clientConnections.remove(ctx.getSessionId()));
        });
        javalin.start();
    }

    private void responseAttachment(String name, int index, Context ctx) {
        DalInstance dalInstance = dalInstances.get(name);
        if (dalInstance != null) {
            Watch watch = dalInstance.watches.get(index);
            if (watch instanceof DalInstance.BinaryWatch) {

                DalInstance.BinaryWatch binaryWatch = (DalInstance.BinaryWatch) watch;
                String contentType = Sneaky.get(() -> new Tika().detect(binaryWatch.binary()));
                ctx.contentType(contentType == null ? "application/octet-stream" : contentType);
                ctx.result(binaryWatch.binary());
            }
        }
    }

    public static void watch(DAL dal, String property, Data value) {
        if (inspector != null)
            inspector.watchInner(dal, property, value);
    }

    private void watchInner(DAL dal, String property, Data value) {
        if (inspector.calledFromInspector())
            dalInstances.get(dal.getName()).watch(property, value);
    }

    private void pass(String name) {
        if (!name.equals("Try It!")) {
            DalInstance remove = dalInstances.remove(name);
            if (remove != null)
                remove.pass();
        }
    }

    private void waitForReady() {
        Sneaky.run(serverReadyLatch::await);
    }

    private static int getServerPort() {

        return getFirstPresent(() -> ofNullable(System.getenv("DAL_INSPECTOR_PORT")),
                () -> ofNullable(System.getProperty("dal.inspector.port")))
                .map(Integer::parseInt)
                .orElse(10082);
    }

    public static void ready() {
        inspector.waitForReady();
    }

    private void releaseAll() {
        for (String instanceName : new ArrayList<>(dalInstances.keySet()))
            release(instanceName);
    }

    private void release(String name) {
        if (!name.equals("Try It!")) {
            DalInstance remove = dalInstances.remove(name);
            if (remove != null)
                remove.release();
        }
    }

    public static void setDefaultMode(Mode mode) {
        Inspector.mode = mode;
    }

    private void exchange(String session, String body) {
        if (clientConnections.containsKey(session)) {
            clientMonitors.put(session, Arrays.stream(body.trim().split("\\n")).map(String::trim).filter(s -> !s.isEmpty()).collect(Collectors.toSet()));

            for (DalInstance dalInstance : dalInstances.values()) {
                if (dalInstance.running)
                    clientConnections.get(session).send(ObjectWriter.serialize(new HashMap<String, String>() {{
                        put("request", dalInstance.dal.getName());
                    }}));
            }
        }
    }

    public static class DalInstance {
        private final Supplier<Object> input;
        private boolean running = true;
        private boolean pass = false;
        private final DAL dal;
        private final String code;
        private final List<Watch> watches = new ArrayList<>();
        private final Data inputData;

        public DalInstance(Supplier<Object> input, DAL dal, String code) {
            this.input = input;
            this.dal = dal;
            this.code = code;
            inputData = null;
        }

        public DalInstance(Data inputData, DAL dal, String code) {
            input = inputData::instance;
            this.inputData = inputData;
            this.dal = dal;
            this.code = code;
        }

        public String execute(String code) {
            watches.clear();
            Map<String, Object> response = new HashMap<>();
            DALRuntimeContext runtimeContext = dal.getRuntimeContextBuilder().build(input::get, null);
            try {
                response.put("root", runtimeContext.getThis().dump());
                DALNode dalNode = dal.compileSingle(code, runtimeContext);
                response.put("inspect", dalNode.inspect());
                response.put("result", dalNode.evaluateData(runtimeContext).dump());
            } catch (InterpreterException e) {
                response.put("error", e.show(code) + "\n\n" + e.getMessage());
            }
            response.put("watches", watches.stream().map(Watch::collect).collect(Collectors.toList()));
            return ObjectWriter.serialize(response);
        }

        public boolean hold() {
            System.err.println("Waiting for DAL inspector release...");
            try {
                Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();

                System.err.println("\tDal inspector running at:");

                while (interfaces.hasMoreElements()) {
                    Enumeration<InetAddress> inetAddresses = interfaces.nextElement().getInetAddresses();
                    while (inetAddresses.hasMoreElements()) {
                        InetAddress address = inetAddresses.nextElement();
                        System.err.printf("\t\thttp://%s:%d%n", address.getHostAddress(), getServerPort());
                    }
                }
            } catch (Exception ignore) {
            }
            //        TODO use sempahore to wait for the result
            Instant now = Instant.now();
            while (running && stillWaiting(now))
                Sneaky.run(() -> Thread.sleep(20));
//            TODO use logger
            System.err.println("DAL inspector released with pass: " + pass);
            return pass;
        }

        public void release() {
            running = false;
        }

        public void pass() {
            pass = true;
            release();
        }

        private byte[] getBytes(Data data) {
            return getFirstPresent(
                    () -> data.cast(byte[].class),
                    () -> data.cast(InputStream.class).map(stream -> Sneaky.get(() -> {
                        try (ByteArrayOutputStream buffer = new ByteArrayOutputStream()) {
                            int size;
                            byte[] data1 = new byte[1024];
                            while ((size = stream.read(data1, 0, data1.length)) != -1)
                                buffer.write(data1, 0, size);
                            return buffer.toByteArray();
                        }
                    })),
                    () -> data.cast(Byte[].class).map(bytes -> {
                        ByteArrayOutputStream stream = new ByteArrayOutputStream();
                        for (Byte b : bytes)
                            stream.write(b);
                        return stream.toByteArray();
                    })
            ).orElse(null);
        }

        public void watch(String property, Data value) {
            byte[] bytes = getBytes(value);
            if (bytes != null) {
                watches.add(new BinaryWatch(property, bytes));
            } else
                watches.add(new DefaultWatch(property, value));
        }


        public class DefaultWatch implements Watch {
            private final String property;
            private final String value;

            public DefaultWatch(String property, Data value) {
                this.property = property;
                this.value = value.dump();
            }

            @Override
            public Map<String, Object> collect() {
                return new HashMap<String, Object>() {{
                    put("property", property);
                    put("type", "DEFAULT");
                    put("value", value);
                }};
            }
        }

        private class BinaryWatch implements Watch {
            private final String property;
            private final int index;
            private final byte[] binary;

            public BinaryWatch(String property, byte[] value) {
                this.property = property;
                index = watches.size();
                binary = new byte[value.length];
                System.arraycopy(value, 0, binary, 0, value.length);
            }

            public byte[] binary() {
                return binary;
            }

            @Override
            public Map<String, Object> collect() {
                return new HashMap<String, Object>() {{
                    put("property", property);
                    put("type", "BINARY");
                    put("url", "/attachments?name=" + dal.getName() + "&index=" + index + "&tm=" + Instant.now().getEpochSecond());
                }};
            }
        }
    }

    public boolean inspectInner(DAL dal, Data input, String code) {
        if (calledFromInspector())
            return false;
//        lock inspect by name
//        check mode
        if (currentMode() == Mode.FORCED) {
            DalInstance dalInstance = new DalInstance(input, dal, code);
            dalInstances.put(dal.getName(), dalInstance);

//            List<WsContext> monitored = clientMonitors.entrySet().stream().filter(e -> e.getValue().contains(dal.getName()))
//                    .map(o -> clientConnections.get(o.getKey()))
//                    .collect(Collectors.toList());
//            TODO check monitor flag
            for (WsContext wsContext : clientConnections.values()) {
                wsContext.send(ObjectWriter.serialize(new HashMap<String, String>() {{
                    put("request", dal.getName());
                }}));
            }

            return dalInstance.hold();

        } else {
//        TODO refactor
            List<WsContext> monitored = clientMonitors.entrySet().stream().filter(e -> e.getValue().contains(dal.getName()))
                    .map(o -> clientConnections.get(o.getKey()))
                    .collect(Collectors.toList());
            if (!monitored.isEmpty()) {
                DalInstance dalInstance = new DalInstance(input, dal, code);
                dalInstances.put(dal.getName(), dalInstance);
                for (WsContext wsContext : monitored) {
                    wsContext.send(ObjectWriter.serialize(new HashMap<String, String>() {{
                        put("request", dal.getName());
                    }}));
                }
                return dalInstance.hold();
            }
            return false;
        }
    }

    private static boolean stillWaiting(Instant now) {
        String waitingTime = System.getenv("DAL_INSPECTOR_WAITING_TIME");
        return (waitingTime == null ? 3600 * 1000 * 24 : parseLong(waitingTime))
                > Duration.between(now, Instant.now()).toMillis();
    }

    public static boolean inspect(DAL dal, Data input, String code) {
        if (currentMode() != Mode.DISABLED)
            return inspector.inspectInner(dal, input, code);
        return false;
    }

    private String request(String name) {
//       TODO reject other request
        return dalInstances.get(name).code;
    }

    private String execute(String name, String code) {
        return dalInstances.get(name).execute(code);
    }

    public static void register(DAL dal) {
        inspector.addInstance(dal);
    }

    private void addInstance(DAL dal) {
        instances.add(dal);
        for (WsContext ctx : clientConnections.values()) {
            sendInstances(ctx);
        }
    }

    private void sendInstances(WsContext ctx) {
        ctx.send(ObjectWriter.serialize(new HashMap<String, Object>() {{
            put("instances", instances.stream().map(DAL::getName).collect(Collectors.toSet()));
            put("session", ctx.getSessionId());
        }}));
    }

    private void stop() {
        javalin.close();
    }

    public static void launch() {
        if (inspector == null) {
            inspector = new Inspector();
        }
    }

    public static void shutdown() {
        if (inspector != null) {
            inspector.stop();
            inspector = null;
        }
    }

    public static void setDefaultInput(Supplier<Object> supplier) {
        defaultInput = supplier;
    }

    public static Mode currentMode() {
        return getFirstPresent(() -> ofNullable(mode),
                () -> ofNullable(System.getenv("DAL_INSPECTOR_MODE")).map(Mode::valueOf),
                () -> ofNullable(System.getProperty("dal.inspector.mode")).map(Mode::valueOf))
                .orElse(Mode.DISABLED);
    }

    public enum Mode {
        DISABLED, FORCED, AUTO
    }

    private boolean calledFromInspector() {
        for (StackTraceElement stack : Thread.currentThread().getStackTrace())
            if (DalInstance.class.getName().equals(stack.getClassName()))
                return true;
        return false;
    }

    public static void main(String[] args) {
        launch();
    }

    interface Watch {
        Map<String, Object> collect();
    }
}

1	package com.github.leeonky.dal.extensions.inspector;
2
3	import com.github.leeonky.dal.DAL;
4	import com.github.leeonky.dal.ast.node.DALNode;
5	import com.github.leeonky.dal.runtime.Data;
6	import com.github.leeonky.dal.runtime.RuntimeContextBuilder.DALRuntimeContext;
7	import com.github.leeonky.interpreter.InterpreterException;
8	import com.github.leeonky.util.Sneaky;
9	import io.javalin.Javalin;
10	import io.javalin.http.Context;
11	import io.javalin.http.staticfiles.Location;
12	import io.javalin.websocket.WsContext;
13	import org.apache.tika.Tika;
14
15	import java.io.ByteArrayOutputStream;
16	import java.io.InputStream;
17	import java.net.InetAddress;
18	import java.net.NetworkInterface;
19	import java.time.Duration;
20	import java.time.Instant;
21	import java.util.*;
22	import java.util.concurrent.ConcurrentHashMap;
23	import java.util.concurrent.CountDownLatch;
24	import java.util.function.Supplier;
25	import java.util.stream.Collectors;
26
27	import static com.github.leeonky.util.function.Extension.getFirstPresent;
28	import static java.lang.Long.parseLong;
29	import static java.util.Objects.requireNonNull;
30	import static java.util.Optional.ofNullable;
31
32	public class Inspector {
33	private static Inspector inspector = null;	1✔
34	private static Mode mode = null;	1✔
35	private final Javalin javalin;
36	private final CountDownLatch serverReadyLatch = new CountDownLatch(1);	1✔
37	private final Set<DAL> instances = new LinkedHashSet<>();	1✔
38	// TODO refactor
39	private final Map<String, WsContext> clientConnections = new ConcurrentHashMap<>();	1✔
40	private final Map<String, Set<String>> clientMonitors = new ConcurrentHashMap<>();	1✔
41	private final Map<String, DalInstance> dalInstances = new ConcurrentHashMap<>();	1✔
42	private static Supplier<Object> defaultInput = () -> null;	1✔
43
44	public Inspector() {	1✔
45	DalInstance defaultInstance = new DalInstance(() -> defaultInput.get(), DAL.create("Try It!", InspectorExtension.class), "");	1✔
46	defaultInstance.running = false;	1✔
47	dalInstances.put("Try It!", defaultInstance);	1✔
48	javalin = Javalin.create(config -> config.addStaticFiles("/public", Location.CLASSPATH))	1✔
49	.events(event -> event.serverStarted(serverReadyLatch::countDown));	1✔
50	requireNonNull(javalin.jettyServer()).setServerPort(getServerPort());	1✔
51	javalin.get("/", ctx -> ctx.redirect("/index.html"));	1✔
52	javalin.post("/api/execute", ctx -> ctx.html(execute(ctx.queryParam("name"), ctx.body())));	1✔
53	javalin.post("/api/exchange", ctx -> exchange(ctx.queryParam("session"), ctx.body()));	1✔
54	javalin.post("/api/pass", ctx -> pass(ctx.queryParam("name")));	1✔
55	javalin.post("/api/release", ctx -> release(ctx.queryParam("name")));	1✔
56	javalin.post("/api/release-all", ctx -> releaseAll());	1✔
57	javalin.get("/api/request", ctx -> ctx.html(request(ctx.queryParam("name"))));	1✔
58	javalin.get("/attachments", ctx -> responseAttachment(ctx.queryParam("name"), Integer.parseInt(ctx.queryParam("index")), ctx));	1✔
59	javalin.ws("/ws/exchange", ws -> {	1✔
60	ws.onConnect(ctx -> {	1✔
61	clientConnections.put(ctx.getSessionId(), ctx);	1✔
62	sendInstances(ctx);	1✔
63	});	1✔
64	ws.onClose(ctx -> clientConnections.remove(ctx.getSessionId()));	1✔
65	});	1✔
66	javalin.start();	1✔
67	}	1✔
68
69	private void responseAttachment(String name, int index, Context ctx) {
70	DalInstance dalInstance = dalInstances.get(name);	1✔
71	if (dalInstance != null) {	1✔
72	Watch watch = dalInstance.watches.get(index);	1✔
73	if (watch instanceof DalInstance.BinaryWatch) {	1✔
74
75	DalInstance.BinaryWatch binaryWatch = (DalInstance.BinaryWatch) watch;	1✔
76	String contentType = Sneaky.get(() -> new Tika().detect(binaryWatch.binary()));	1✔
77	ctx.contentType(contentType == null ? "application/octet-stream" : contentType);	1✔
78	ctx.result(binaryWatch.binary());	1✔
79	}
80	}
81	}	1✔
82
83	public static void watch(DAL dal, String property, Data value) {
84	if (inspector != null)	1✔
85	inspector.watchInner(dal, property, value);	1✔
86	}	1✔
87
88	private void watchInner(DAL dal, String property, Data value) {
89	if (inspector.calledFromInspector())	1✔
90	dalInstances.get(dal.getName()).watch(property, value);	1✔
91	}	1✔
92
93	private void pass(String name) {
94	if (!name.equals("Try It!")) {	1✔
95	DalInstance remove = dalInstances.remove(name);	1✔
96	if (remove != null)	1✔
97	remove.pass();	1✔
98	}
99	}	1✔
100
101	private void waitForReady() {
102	Sneaky.run(serverReadyLatch::await);	1✔
103	}	1✔
104
105	private static int getServerPort() {
106
107	return getFirstPresent(() -> ofNullable(System.getenv("DAL_INSPECTOR_PORT")),	1✔
108	() -> ofNullable(System.getProperty("dal.inspector.port")))	1✔
109	.map(Integer::parseInt)	1✔
110	.orElse(10082);	1✔
111	}
112
113	public static void ready() {
114	inspector.waitForReady();	1✔
115	}	1✔
116
117	private void releaseAll() {
118	for (String instanceName : new ArrayList<>(dalInstances.keySet()))	1✔
119	release(instanceName);	1✔
120	}	1✔
121
122	private void release(String name) {
123	if (!name.equals("Try It!")) {	1✔
124	DalInstance remove = dalInstances.remove(name);	1✔
125	if (remove != null)	1✔
126	remove.release();	1✔
127	}
128	}	1✔
129
130	public static void setDefaultMode(Mode mode) {
131	Inspector.mode = mode;	1✔
132	}	1✔
133
134	private void exchange(String session, String body) {
135	if (clientConnections.containsKey(session)) {	1✔
136	clientMonitors.put(session, Arrays.stream(body.trim().split("\\n")).map(String::trim).filter(s -> !s.isEmpty()).collect(Collectors.toSet()));	1✔
137
138	for (DalInstance dalInstance : dalInstances.values()) {	1✔
139	if (dalInstance.running)	1✔
140	clientConnections.get(session).send(ObjectWriter.serialize(new HashMap<String, String>() {{	1✔
141	put("request", dalInstance.dal.getName());	1✔
142	}}));	1✔
143	}	1✔
144	}
145	}	1✔
146
147	public static class DalInstance {
148	private final Supplier<Object> input;
149	private boolean running = true;	1✔
150	private boolean pass = false;	1✔
151	private final DAL dal;
152	private final String code;
153	private final List<Watch> watches = new ArrayList<>();	1✔
154	private final Data inputData;
155
156	public DalInstance(Supplier<Object> input, DAL dal, String code) {	1✔
157	this.input = input;	1✔
158	this.dal = dal;	1✔
159	this.code = code;	1✔
160	inputData = null;	1✔
161	}	1✔
162
163	public DalInstance(Data inputData, DAL dal, String code) {	1✔
164	input = inputData::instance;	1✔
165	this.inputData = inputData;	1✔
166	this.dal = dal;	1✔
167	this.code = code;	1✔
168	}	1✔
169
170	public String execute(String code) {
171	watches.clear();	1✔
172	Map<String, Object> response = new HashMap<>();	1✔
173	DALRuntimeContext runtimeContext = dal.getRuntimeContextBuilder().build(input::get, null);	1✔
174	try {
175	response.put("root", runtimeContext.getThis().dump());	1✔
176	DALNode dalNode = dal.compileSingle(code, runtimeContext);	1✔
177	response.put("inspect", dalNode.inspect());	1✔
178	response.put("result", dalNode.evaluateData(runtimeContext).dump());	1✔
179	} catch (InterpreterException e) {	1✔
180	response.put("error", e.show(code) + "\n\n" + e.getMessage());	1✔
181	}	1✔
182	response.put("watches", watches.stream().map(Watch::collect).collect(Collectors.toList()));	1✔
183	return ObjectWriter.serialize(response);	1✔
184	}
185
186	public boolean hold() {
187	System.err.println("Waiting for DAL inspector release...");	1✔
188	try {
189	Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();	1✔
190
191	System.err.println("\tDal inspector running at:");	1✔
192
193	while (interfaces.hasMoreElements()) {	1✔
194	Enumeration<InetAddress> inetAddresses = interfaces.nextElement().getInetAddresses();	1✔
195	while (inetAddresses.hasMoreElements()) {	1✔
196	InetAddress address = inetAddresses.nextElement();	1✔
197	System.err.printf("\t\thttp://%s:%d%n", address.getHostAddress(), getServerPort());	1✔
198	}	1✔
199	}	1✔
200	} catch (Exception ignore) {	×
201	}	1✔
202	// TODO use sempahore to wait for the result
203	Instant now = Instant.now();	1✔
204	while (running && stillWaiting(now))	1✔
205	Sneaky.run(() -> Thread.sleep(20));	1✔
206	// TODO use logger
207	System.err.println("DAL inspector released with pass: " + pass);	1✔
208	return pass;	1✔
209	}
210
211	public void release() {
212	running = false;	1✔
213	}	1✔
214
215	public void pass() {
216	pass = true;	1✔
217	release();	1✔
218	}	1✔
219
220	private byte[] getBytes(Data data) {
221	return getFirstPresent(	1✔
222	() -> data.cast(byte[].class),	1✔
223	() -> data.cast(InputStream.class).map(stream -> Sneaky.get(() -> {	1✔
224	try (ByteArrayOutputStream buffer = new ByteArrayOutputStream()) {	×
225	int size;
226	byte[] data1 = new byte[1024];	×
227	while ((size = stream.read(data1, 0, data1.length)) != -1)	×
228	buffer.write(data1, 0, size);	×
229	return buffer.toByteArray();	×
230	}
231	})),
232	() -> data.cast(Byte[].class).map(bytes -> {	1✔
233	ByteArrayOutputStream stream = new ByteArrayOutputStream();	×
234	for (Byte b : bytes)	×
235	stream.write(b);	×
236	return stream.toByteArray();	×
237	})
238	).orElse(null);	1✔
239	}
240
241	public void watch(String property, Data value) {
242	byte[] bytes = getBytes(value);	1✔
243	if (bytes != null) {	1✔
244	watches.add(new BinaryWatch(property, bytes));	1✔
245	} else
246	watches.add(new DefaultWatch(property, value));	1✔
247	}	1✔
248
249
250	public class DefaultWatch implements Watch {
251	private final String property;
252	private final String value;
253
254	public DefaultWatch(String property, Data value) {	1✔
255	this.property = property;	1✔
256	this.value = value.dump();	1✔
257	}	1✔
258
259	@Override
260	public Map<String, Object> collect() {
261	return new HashMap<String, Object>() {{	1✔
262	put("property", property);	1✔
263	put("type", "DEFAULT");	1✔
264	put("value", value);	1✔
265	}};	1✔
266	}
267	}
268
269	private class BinaryWatch implements Watch {
270	private final String property;
271	private final int index;
272	private final byte[] binary;
273
274	public BinaryWatch(String property, byte[] value) {	1✔
275	this.property = property;	1✔
276	index = watches.size();	1✔
277	binary = new byte[value.length];	1✔
278	System.arraycopy(value, 0, binary, 0, value.length);	1✔
279	}	1✔
280
281	public byte[] binary() {
282	return binary;	1✔
283	}
284
285	@Override
286	public Map<String, Object> collect() {
287	return new HashMap<String, Object>() {{	1✔
288	put("property", property);	1✔
289	put("type", "BINARY");	1✔
290	put("url", "/attachments?name=" + dal.getName() + "&index=" + index + "&tm=" + Instant.now().getEpochSecond());	1✔
291	}};	1✔
292	}
293	}
294	}
295
296	public boolean inspectInner(DAL dal, Data input, String code) {
297	if (calledFromInspector())	1✔
298	return false;	×
299	// lock inspect by name
300	// check mode
301	if (currentMode() == Mode.FORCED) {	1✔
302	DalInstance dalInstance = new DalInstance(input, dal, code);	1✔
303	dalInstances.put(dal.getName(), dalInstance);	1✔
304
305	// List<WsContext> monitored = clientMonitors.entrySet().stream().filter(e -> e.getValue().contains(dal.getName()))
306	// .map(o -> clientConnections.get(o.getKey()))
307	// .collect(Collectors.toList());
308	// TODO check monitor flag
309	for (WsContext wsContext : clientConnections.values()) {	1✔
310	wsContext.send(ObjectWriter.serialize(new HashMap<String, String>() {{	1✔
311	put("request", dal.getName());	1✔
312	}}));	1✔
313	}	1✔
314
315	return dalInstance.hold();	1✔
316
317	} else {
318	// TODO refactor
319	List<WsContext> monitored = clientMonitors.entrySet().stream().filter(e -> e.getValue().contains(dal.getName()))	1✔
320	.map(o -> clientConnections.get(o.getKey()))	1✔
321	.collect(Collectors.toList());	1✔
322	if (!monitored.isEmpty()) {	1✔
323	DalInstance dalInstance = new DalInstance(input, dal, code);	1✔
324	dalInstances.put(dal.getName(), dalInstance);	1✔
325	for (WsContext wsContext : monitored) {	1✔
326	wsContext.send(ObjectWriter.serialize(new HashMap<String, String>() {{	1✔
327	put("request", dal.getName());	1✔
328	}}));	1✔
329	}	1✔
330	return dalInstance.hold();	×
331	}
332	return false;	1✔
333	}
334	}
335
336	private static boolean stillWaiting(Instant now) {
337	String waitingTime = System.getenv("DAL_INSPECTOR_WAITING_TIME");	1✔
338	return (waitingTime == null ? 3600 * 1000 * 24 : parseLong(waitingTime))	1✔
339	> Duration.between(now, Instant.now()).toMillis();	1✔
340	}
341
342	public static boolean inspect(DAL dal, Data input, String code) {
343	if (currentMode() != Mode.DISABLED)	1✔
344	return inspector.inspectInner(dal, input, code);	1✔
345	return false;	×
346	}
347
348	private String request(String name) {
349	// TODO reject other request
350	return dalInstances.get(name).code;	1✔
351	}
352
353	private String execute(String name, String code) {
354	return dalInstances.get(name).execute(code);	1✔
355	}
356
357	public static void register(DAL dal) {
358	inspector.addInstance(dal);	1✔
359	}	1✔
360
361	private void addInstance(DAL dal) {
362	instances.add(dal);	1✔
363	for (WsContext ctx : clientConnections.values()) {	1✔
364	sendInstances(ctx);	1✔
365	}	1✔
366	}	1✔
367
368	private void sendInstances(WsContext ctx) {
369	ctx.send(ObjectWriter.serialize(new HashMap<String, Object>() {{	1✔
370	put("instances", instances.stream().map(DAL::getName).collect(Collectors.toSet()));	1✔
371	put("session", ctx.getSessionId());	1✔
372	}}));	1✔
373	}	1✔
374
375	private void stop() {
376	javalin.close();	1✔
377	}	1✔
378
379	public static void launch() {
380	if (inspector == null) {	1✔
381	inspector = new Inspector();	1✔
382	}
383	}	1✔
384
385	public static void shutdown() {
386	if (inspector != null) {	1✔
387	inspector.stop();	1✔
388	inspector = null;	1✔
389	}
390	}	1✔
391
392	public static void setDefaultInput(Supplier<Object> supplier) {
393	defaultInput = supplier;	1✔
394	}	1✔
395
396	public static Mode currentMode() {
397	return getFirstPresent(() -> ofNullable(mode),	1✔
398	() -> ofNullable(System.getenv("DAL_INSPECTOR_MODE")).map(Mode::valueOf),	×
399	() -> ofNullable(System.getProperty("dal.inspector.mode")).map(Mode::valueOf))	×
400	.orElse(Mode.DISABLED);	1✔
401	}
402
403	public enum Mode {	1✔
404	DISABLED, FORCED, AUTO	1✔
405	}
406
407	private boolean calledFromInspector() {
408	for (StackTraceElement stack : Thread.currentThread().getStackTrace())	1✔
409	if (DalInstance.class.getName().equals(stack.getClassName()))	1✔
410	return true;	1✔
411	return false;	1✔
412	}
413
414	public static void main(String[] args) {
415	launch();	×
416	}	×
417
418	interface Watch {
419	Map<String, Object> collect();
420	}
421	}

leeonky / test-charm-java / 212

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