added network scanner process to discover all YaCy peers in the intranet

this will be used to wire YaCy peers in a kubernetes cluster

2 files changed, 46 insertions, 0 deletions

diff --git a/htroot/api/localpeers.java b/htroot/api/localpeers.java
new file mode 100644
index 000000000..ba933d125
--- /dev/null
+++ b/htroot/api/localpeers.java
@@ -0,0 +1,41 @@
+// localpeers.java
+// ------------
+// (C) 2021 by Michael Peter Christen; mc@yacy.net
+// first published 23.01.2021 on http://yacy.net
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+import net.yacy.cora.protocol.RequestHeader;
+import net.yacy.search.Switchboard;
+import net.yacy.server.serverObjects;
+import net.yacy.server.serverSwitch;
+import net.yacy.server.servletProperties;
+
+public class localpeers {
+
+    public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, @SuppressWarnings("unused") final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
+        final servletProperties prop = new servletProperties();
+        int c = 0;
+        for (String urlstub: Switchboard.getSwitchboard().localpeers) {
+            prop.putJSON("peers_" + c + "_urlstub", urlstub);
+            c++;
+        }
+        prop.put("peers", c);
+
+        // return rewrite properties
+        return prop;
+    }
+
+}
diff --git a/htroot/api/localpeers.json b/htroot/api/localpeers.json
new file mode 100644
index 000000000..e2be9012d
--- /dev/null
+++ b/htroot/api/localpeers.json
@@ -0,0 +1,5 @@
+{
+"peers" : [#{peers|,}#
+{"urlstub":"#[urlstub]#"}
+#{/peers}#]
+}
\ No newline at end of file