clipsocket.c

/* This sample code is a client for clipster
 * illustrating how to use sockets to 'talk' to another program
 * 
 * Copyright 2019 ylee@bodhilinux.com
 * 
 * This work is free. You can redistribute it and/or modify it under the
 * terms of the Do What The Fuck You Want To Public License, Version 2,
 * as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
 * 
 * See https://github.com/mrichar1/clipster
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h> // for close

/* Utility fn to make life easy */
#define IF_FAIL_BREAK(x) if (x < 0){perror("socket() failed"); break;}

/* Constants used by this program  */
#define SERVER_PATH     "/home/ylee/.local/share/clipster/clipster_sock"
#define BUFFER_LENGTH    1024
#define FALSE              0

void 
main()
{
   int      sd = -1, rc;
   unsigned char    buffer[BUFFER_LENGTH];
   struct sockaddr_un serveraddr;

   do
   {
      sd = socket(AF_UNIX, SOCK_STREAM, 0);
      IF_FAIL_BREAK(sd);

      memset(&serveraddr, 0, sizeof(serveraddr));
      serveraddr.sun_family = AF_UNIX;
      strcpy(serveraddr.sun_path, SERVER_PATH);

      /*  establish a connection to the server. */
      rc = connect(sd, (struct sockaddr *) &serveraddr, SUN_LEN(&serveraddr));
      IF_FAIL_BREAK(rc);

      /* Send clipboard data */
      sprintf(buffer, "SEND:CLIPBOARD:0");
      rc = send(sd, buffer, strlen(buffer), 0);
      IF_FAIL_BREAK(rc);

      sprintf(buffer,":");
      rc = send(sd, buffer, strlen(buffer), 0);
      IF_FAIL_BREAK(rc);
      
      sprintf(buffer, "THIS IS A TEST");
      rc = send(sd, buffer, strlen(buffer), 0);
      IF_FAIL_BREAK(rc);
   } while (FALSE);

   /*  Close down any open socket descriptors  */
   if (sd != -1)
      close(sd);
}