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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
import com.ericsson.otp.erlang.*;
public class connection_server {
static java.lang.String Name = "connection_server";
public static void main(String[] argv) {
try {
System.out.println("connection_server booting...");
for (int j = 0; j < argv.length; j++)
System.out.println("argv[" + j + "] = \"" + argv[j] + "\"");
if (argv.length != 4) {
System.out.println("Wrong number of arguments!");
System.exit(1);
}
// Start node and mbox
OtpNode node = new OtpNode(argv[0], argv[1]);
OtpMbox mbox = node.createMbox();
if (! mbox.registerName(Name)) {
System.out.println("Could not register name " + Name);
System.exit(3);
}
// Announce our presence
OtpErlangObject[] amsg = new OtpErlangObject[3];
amsg[0] = new OtpErlangAtom(Name);
amsg[1] = new OtpErlangAtom(argv[0]);
amsg[2] = mbox.self();
OtpErlangTuple atuple = new OtpErlangTuple(amsg);
mbox.send(argv[3], argv[2], atuple);
// Do connects ...
while (true) {
OtpErlangObject o = mbox.receive();
if (o == null)
continue;
if (o instanceof OtpErlangTuple) {
OtpErlangTuple msg = (OtpErlangTuple) o;
OtpErlangPid from = (OtpErlangPid)(msg.elementAt(0));
OtpErlangAtom conn_node = (OtpErlangAtom) msg.elementAt(1);
System.out.println("Got request to connect to: "
+ conn_node);
OtpErlangObject[] rmsg = new OtpErlangObject[3];
rmsg[0] = mbox.self();
rmsg[1] = conn_node;
if (node.ping(conn_node.atomValue(), 1000)) {
System.out.println("Successfully connected to "
+ conn_node.toString());
rmsg[2] = new OtpErlangAtom("true");
}
else {
System.out.println("Failed to connect to "
+ conn_node.toString());
rmsg[2] = new OtpErlangAtom("false");
}
OtpErlangTuple rtuple = new OtpErlangTuple(rmsg);
mbox.send(from, rtuple);
}
else { // probably 'bye'
System.out.println("connection_server halting...");
System.exit(0);
}
}
}
catch (Exception e) {
System.out.println("" + e);
System.exit(2);
}
}
}
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