aboutsummaryrefslogtreecommitdiff
path: root/REORG.TODO/manual/examples/filecli.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/manual/examples/filecli.c')
-rw-r--r--REORG.TODO/manual/examples/filecli.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/REORG.TODO/manual/examples/filecli.c b/REORG.TODO/manual/examples/filecli.c
new file mode 100644
index 0000000000..50f4ef43ac
--- /dev/null
+++ b/REORG.TODO/manual/examples/filecli.c
@@ -0,0 +1,71 @@
+/* Example of Reading Datagrams
+ Copyright (C) 1991-2017 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#define SERVER "/tmp/serversocket"
+#define CLIENT "/tmp/mysocket"
+#define MAXMSG 512
+#define MESSAGE "Yow!!! Are we having fun yet?!?"
+
+int
+main (void)
+{
+ extern int make_named_socket (const char *name);
+ int sock;
+ char message[MAXMSG];
+ struct sockaddr_un name;
+ size_t size;
+ int nbytes;
+
+ /* Make the socket. */
+ sock = make_named_socket (CLIENT);
+
+ /* Initialize the server socket address. */
+ name.sun_family = AF_LOCAL;
+ strcpy (name.sun_path, SERVER);
+ size = strlen (name.sun_path) + sizeof (name.sun_family);
+
+ /* Send the datagram. */
+ nbytes = sendto (sock, MESSAGE, strlen (MESSAGE) + 1, 0,
+ (struct sockaddr *) & name, size);
+ if (nbytes < 0)
+ {
+ perror ("sendto (client)");
+ exit (EXIT_FAILURE);
+ }
+
+ /* Wait for a reply. */
+ nbytes = recvfrom (sock, message, MAXMSG, 0, NULL, 0);
+ if (nbytes < 0)
+ {
+ perror ("recfrom (client)");
+ exit (EXIT_FAILURE);
+ }
+
+ /* Print a diagnostic message. */
+ fprintf (stderr, "Client: got message: %s\n", message);
+
+ /* Clean up. */
+ remove (CLIENT);
+ close (sock);
+}