1 files changed, 102 insertions, 0 deletions
diff --git a/src/main/java/com/juick/jabber/ws/WSKeepAlive.java b/src/main/java/com/juick/jabber/ws/WSKeepAlive.java
new file mode 100644
index 00000000..2deef594
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/WSKeepAlive.java
@@ -0,0 +1,102 @@
+package com.juick.jabber.ws;
+
+import java.io.PrintWriter;
+import java.nio.ByteBuffer;
+import java.sql.Connection;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+public class WSKeepAlive implements Runnable {
+
+    Connection sql;
+    ByteBuffer pingBytes;
+    ByteBuffer closeBytes;
+
+    public WSKeepAlive(Connection sql) {
+        this.sql = sql;
+
+        //pingBytes = ByteBuffer.allocate(2);
+        //pingBytes.put((byte) 0x8A); // PONG FRAME
+        //pingBytes.put((byte) 0x00); // 0 byte long
+        pingBytes = ByteBuffer.allocate(3);
+        pingBytes.put((byte) 0x81); // TEXT FRAME
+        pingBytes.put((byte) 0x01); // 1 byte long
+        pingBytes.put((byte) 0x20); // ' '
+        pingBytes.flip();
+
+        closeBytes = ByteBuffer.allocate(2);
+        closeBytes.put((byte) 0x88); // CLOSE FRAME
+        closeBytes.put((byte) 0x00); // 0 byte long
+        closeBytes.flip();
+    }
+
+    @Override
+    public void run() {
+        while (true) {
+            PrintWriter statsFile = null;
+
+            if (Main.STATSFILE != null) {
+                try {
+                    statsFile = new PrintWriter(Main.STATSFILE, "UTF-8");
+                } catch (Exception e) {
+                    statsFile = null;
+                    System.err.println("WSKeepAlive statsFile: " + e);
+                }
+            }
+
+            long now = System.currentTimeMillis();
+
+            synchronized (Main.clients) {
+                if (statsFile != null) {
+                    statsFile.write("<html><body><h1>Connections (" + Main.clients.size() + ")</h2><table border=1><tr><th>IP</th><th>inactive</th><th>VUID</th><th>UID</th><th>MID</th><th>allM</th><th>allR</th></tr>");
+                }
+
+                for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                    SocketSubscribed s = i.next();
+                    int inactive = (int) ((double) (now - s.tsLastData) / 1000.0);
+
+                    if (statsFile != null) {
+                        try {
+                            statsFile.print("<tr><td>" + (s.clientName != null ? s.clientName : "?") + "</td>");
+                            statsFile.print("<td>" + inactive + "</td>");
+                            statsFile.print("<td>" + (s.VUID > 0 ? s.VUID : "") + "</td>");
+                            statsFile.print("<td>" + (s.UID > 0 ? s.UID : "") + "</td>");
+                            statsFile.print("<td>" + (s.MID > 0 ? s.MID : "") + "</td>");
+                            statsFile.print("<td>" + (s.allMessages ? "+" : "") + "</td>");
+                            statsFile.print("<td>" + (s.allReplies ? "+" : "") + "</td></tr>");
+                        } catch (Exception e) {
+                            System.err.println("WSKeepAlive statsFile print: " + e);
+                        }
+                    }
+
+                    if (inactive > 180) {
+                        s.sendByteBuffer(closeBytes);
+                        s.close();
+                        i.remove();
+                    } else if (inactive > 60) {
+                        if (!s.sendByteBuffer(pingBytes)) {
+                            i.remove();
+                        }
+                    }
+                }
+            }
+
+            if (Main.STATSFILE != null) {
+                try {
+                    statsFile.write("</table></body></html>");
+                    statsFile.close();
+                } catch (Exception e) {
+                    System.err.println("WSKeepAlive statsFile close: " + e);
+                }
+            }
+
+            try {
+                Thread.sleep(10000);
+            } catch (InterruptedException e) {
+            }
+        }
+    }
+}