initial import

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);
+	}
+    }
+}