55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#define SERVER "/tmp/serversocket"
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#define CLIENT "/tmp/mysocket"
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#define MAXMSG 512
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#define MESSAGE "Yow!!! Are we having fun yet?!?"
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int
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main (void)
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{
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extern int make_named_socket (const char *name);
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int sock;
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char message[MAXMSG];
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struct sockaddr_un name;
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size_t size;
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int nbytes;
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/* Make the socket. */
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sock = make_named_socket (CLIENT);
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/* Initialize the server socket address. */
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name.sun_family = AF_UNIX;
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strcpy (name.sun_path, SERVER);
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size = strlen (name.sun_path) + sizeof (name.sun_family);
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/* Send the datagram. */
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nbytes = sendto (sock, MESSAGE, strlen (MESSAGE) + 1, 0,
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(struct sockaddr *) & name, size);
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if (nbytes < 0)
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{
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perror ("sendto (client)");
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exit (EXIT_FAILURE);
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}
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/* Wait for a reply. */
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nbytes = recvfrom (sock, message, MAXMSG, 0, NULL, 0);
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if (nbytes < 0)
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{
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perror ("recfrom (client)");
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exit (EXIT_FAILURE);
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}
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/* Print a diagnostic message. */
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fprintf (stderr, "Client: got message: %s\n", message);
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/* Clean up. */
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remove (CLIENT);
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close (sock);
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}
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