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Diffstat (limited to 'manual/examples/filesrv.c')
-rw-r--r-- | manual/examples/filesrv.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/manual/examples/filesrv.c b/manual/examples/filesrv.c new file mode 100644 index 0000000..3596b99 --- /dev/null +++ b/manual/examples/filesrv.c @@ -0,0 +1,46 @@ +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include <sys/socket.h> +#include <sys/un.h> + +#define SERVER "/tmp/serversocket" +#define MAXMSG 512 + +int +main (void) +{ + int sock; + char message[MAXMSG]; + struct sockaddr_un name; + size_t size; + int nbytes; + + /* Make the socket, then loop endlessly. */ + + sock = make_named_socket (SERVER); + while (1) + { + /* Wait for a datagram. */ + size = sizeof (name); + nbytes = recvfrom (sock, message, MAXMSG, 0, + (struct sockaddr *) & name, &size); + if (nbytes < 0) + { + perror ("recfrom (server)"); + exit (EXIT_FAILURE); + } + + /* Give a diagnostic message. */ + fprintf (stderr, "Server: got message: %s\n", message); + + /* Bounce the message back to the sender. */ + nbytes = sendto (sock, message, nbytes, 0, + (struct sockaddr *) & name, size); + if (nbytes < 0) + { + perror ("sendto (server)"); + exit (EXIT_FAILURE); + } + } +} |