47 lines
945 B
C
47 lines
945 B
C
#include <stdio.h>
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#include <errno.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 MAXMSG 512
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int
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main (void)
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{
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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, then loop endlessly. */
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sock = make_named_socket (SERVER);
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while (1)
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{
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/* Wait for a datagram. */
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size = sizeof (name);
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nbytes = recvfrom (sock, message, MAXMSG, 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 ("recfrom (server)");
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exit (EXIT_FAILURE);
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}
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/* Give a diagnostic message. */
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fprintf (stderr, "Server: got message: %s\n", message);
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/* Bounce the message back to the sender. */
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nbytes = sendto (sock, message, nbytes, 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 (server)");
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exit (EXIT_FAILURE);
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}
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}
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}
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