status page prototype

java_console/io/src/main/java/com/rusefi/server/rusEFISSLContext.java

@@ -38,7 +38,8 @@ public class rusEFISSLContext {
 
     public static void init(String fileName, String password) throws MalformedURLException {
         // system property setup does not work under Jenkins?
-        setupCertificates(new File(fileName), password);
+        if (!isJenkins)
+            setupCertificates(new File(fileName), password);
 
         //key = getFromPath(fileName, "PKCS12", password);
     }

java_tools/proxy_server/src/main/java/com/rusefi/server/Backend.java

@@ -18,9 +18,7 @@ import org.takes.rs.RsJson;
 import javax.json.Json;
 import javax.json.JsonArrayBuilder;
 import javax.json.JsonObject;
-import java.io.File;
 import java.io.IOException;
-import java.net.MalformedURLException;
 import java.net.Socket;
 import java.util.*;
 import java.util.function.Function;
@@ -53,8 +51,10 @@ public class Backend {
 
         new Thread(() -> {
             try {
+                System.out.println("Starting http backend on " + httpPort);
                 new FtBasic(
                         new TkFork(showOnlineUsers,
+                                Monitoring.showStatistics,
                                 new FkRegex(VERSION_PATH, BACKEND_VERSION),
                                 new FkRegex("/", "<a href='https://rusefi.com/online/'>rusEFI Online</a>")
                         ), httpPort
@@ -78,6 +78,7 @@ public class Backend {
     public void runApplicationConnector(int serverPortForApplications, Listener serverSocketCreationCallback) {
         // connection from authenticator app which proxies for Tuner Studio
         // authenticator pushed hello packet on connect
+        System.out.println("Starting application connector at " + serverPortForApplications);
         BinaryProtocolServer.tcpServerSocket(logger, new Function<Socket, Runnable>() {
             @Override
             public Runnable apply(Socket applicationSocket) {
@@ -128,6 +129,7 @@ public class Backend {
     }
 
     public void runControllerConnector(int serverPortForControllers, Listener serverSocketCreationCallback) {
+        System.out.println("Starting controller connector at " + serverPortForControllers);
         BinaryProtocolServer.tcpServerSocket(logger, new Function<Socket, Runnable>() {
             @Override
             public Runnable apply(Socket controllerSocket) {

java_tools/proxy_server/src/main/java/com/rusefi/server/BackendLauncher.java

@@ -10,7 +10,9 @@ public class BackendLauncher {
      * need this method to be not in Backend class for console to work without all backend classes
      */
     public static void start(String[] args) throws MalformedURLException {
+        /* todo
         rusEFISSLContext.setupCertificates(new File("keystore.jks"), System.getProperty("RUSEFI_PROXY_PASSWORD"));
+         */
 
         UserDetailsResolver userDetailsFunction = new JsonUserDetailsResolver();
 

java_tools/proxy_server/src/main/java/com/rusefi/server/Monitoring.java

@@ -0,0 +1,33 @@
+package com.rusefi.server;
+
+import org.takes.Take;
+import org.takes.facets.fork.FkRegex;
+import org.takes.rs.RsJson;
+
+import javax.json.Json;
+import javax.json.JsonObjectBuilder;
+import java.io.IOException;
+import java.lang.management.ManagementFactory;
+import java.lang.management.OperatingSystemMXBean;
+
+public class Monitoring {
+    static final FkRegex showStatistics = new FkRegex("/status",
+            (Take) req -> Monitoring.getStatus());
+
+
+    private static String formatSize(long v) {
+        if (v < 1024) return v + " B";
+        int z = (63 - Long.numberOfLeadingZeros(v)) / 10;
+        return String.format("%.1f %sB", (double) v / (1L << (z * 10)), " KMGTPE".charAt(z));
+    }
+
+    private static RsJson getStatus() throws IOException {
+        JsonObjectBuilder builder = Json.createObjectBuilder();
+        OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
+        builder.add("CPU_Load", operatingSystemMXBean.getSystemLoadAverage());
+        builder.add("free_ram", formatSize(Runtime.getRuntime().freeMemory()));
+        builder.add("max_ram", formatSize(Runtime.getRuntime().maxMemory()));
+
+        return new RsJson(builder.build());
+    }
+}