initial import

2021-05-05 19:17:01 +00:00
commit 09e1d643b6
54 changed files with 14073 additions and 0 deletions
@@ -0,0 +1,39 @@
+package io.dietz.ed.companion.component;
+
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+
+import org.locationtech.jts.geom.Coordinate;
+import org.locationtech.jts.geom.GeometryFactory;
+import org.locationtech.jts.geom.Point;
+
+import io.dietz.ed.companion.models.eddb.System;
+
+public class SystemDeserializer extends JsonDeserializer<System> {
+
+    @Override
+    public System deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+        SystemJson jsonSystem = p.readValueAs(SystemJson.class);
+
+        GeometryFactory gf = new GeometryFactory();
+        Point test = gf.createPoint(new Coordinate(jsonSystem.x, jsonSystem.y, jsonSystem.z));
+
+        return new System(jsonSystem.id, jsonSystem.name, test);
+    }
+
+    private static class SystemJson {
+        
+        public long id;
+
+        public String name;
+
+        public double x;
+        public double y;
+        public double z;
+    }
+
+}
@@ -0,0 +1,83 @@
+package io.dietz.ed.companion.component;
+
+import java.io.IOException;
+import java.util.zip.DataFormatException;
+import java.util.zip.Inflater;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.zeromq.SocketType;
+import org.zeromq.ZContext;
+import org.zeromq.ZMQ;
+
+import io.dietz.ed.companion.domain.MarketWithRoot;
+
+public class ZeroMqHandler implements Runnable {
+
+    private ZContext context;
+
+    @Value("${eddn.filter:https://eddn.edcd.io/schemas/commodity/3}")
+    private String filterSchema;
+    @Value("${eddn.host:eddn.edcd.io}")
+    private String host;
+    @Value("${eddn.port:9500}")
+    private String port;
+
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    public void msg(String msg) {
+        System.out.println(msg);
+    }
+
+    @Override
+    public void run() {
+        pump();
+        context.close();
+    }
+
+    public synchronized void pump() {
+        Inflater inflater = new Inflater();
+        context = new ZContext();
+        ZMQ.Socket socket = context.createSocket(SocketType.SUB);
+        socket.subscribe("");
+        socket.setReceiveTimeOut(30000);
+        socket.connect("tcp://" + host + ":" + port);
+
+        msg("EDDN Relay connected");
+        ZMQ.Poller poller = context.createPoller(2);
+        poller.register(socket, ZMQ.Poller.POLLIN);
+        byte[] output = new byte[256 * 1024];
+        while (true) {
+            int poll = poller.poll(-1);
+            if (poll == ZMQ.Poller.POLLIN) {
+
+                if (poller.pollin(0)) {
+                    byte[] recv = socket.recv(ZMQ.NOBLOCK);
+                    if (recv.length > 0) {
+                        // decompress
+                        inflater.reset();
+                        inflater.setInput(recv);
+                        try {
+                            int outlen = inflater.inflate(output);
+                            String outputString = new String(output, 0, outlen, "UTF-8");
+                            
+                            // outputString contains a json message
+                            if (outputString.contains(filterSchema)) {
+                                msg(outputString);
+                                var test = objectMapper.readValue(outputString, MarketWithRoot.class);
+                                msg(test.getMarket().toString());
+                            }
+
+                        } catch (DataFormatException | IOException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+}