i'm on a ubuntu OS and i am trying to make a communication between C
and JAVA with IPC.
i created a server In C, and this is the code:
#include "testutil.hpp"
#include <stdio.h>
int main () {
void *ctx = zmq_init (1);
assert (ctx);
void *sb = zmq_socket (ctx, ZMQ_REP);
assert (sb);
int rc = zmq_bind (sb, "ipc:///tmp/test");
assert (rc == 0);
/* Create an empty ØMQ message */
zmq_msg_t msg;
rc = zmq_msg_init (&msg);
assert (rc == 0);
/* Block until a message is available to be received from socket */
rc = zmq_recv (sb, &msg, 0, 0);
assert (rc == 0);
printf("%s", msg);
/* Release message */ zmq_msg_close (&msg);
rc = zmq_close (sb);
assert (rc == 0);
rc = zmq_term (ctx);
assert (rc == 0);
return 0;
}
and i created a client in JAVA, this is the code:
import org.zeromq.ZMQ;
public class Main{
public static void main(String[] args){
// Prepare our context and socket
ZMQ.Context context = ZMQ.context(1);
ZMQ.Socket socket = context.socket(ZMQ.REQ);
System.out.println("Connecting to hello world server...");
socket.connect ("ipc:///tmp/test");
String requestString = "Hello\n";
byte[] request = requestString.getBytes();
request[request.length-1]=0; //Sets the last byte to 0
// Send the message
socket.send(request, 0);
}
}
The client application seems that ends successfully, while the server
application is blocked waiting for reception of a message. What could be
the problem?
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