summaryrefslogtreecommitdiffhomepage
path: root/digital/avr/modules/host/socket.host.c
diff options
context:
space:
mode:
Diffstat (limited to 'digital/avr/modules/host/socket.host.c')
-rw-r--r--digital/avr/modules/host/socket.host.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/digital/avr/modules/host/socket.host.c b/digital/avr/modules/host/socket.host.c
new file mode 100644
index 00000000..9953b3a9
--- /dev/null
+++ b/digital/avr/modules/host/socket.host.c
@@ -0,0 +1,81 @@
+/* socket.host.c */
+/* imported from mysock library and modified for avr modules.
+ * mysock library - client functions. {{{
+ *
+ * Copyright (C) 2001 Nicolas Schodet
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Contact :
+ * Web: http://ni.fr.eu.org/
+ *
+ * }}} */
+#include "common.h"
+#include "socket.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+int
+socket_client (const char *addr, const char *port)
+{
+ int s;
+ struct sockaddr_in saddr;
+ struct servent *port_info;
+ struct hostent *host_info;
+ unsigned short int iport;
+ unsigned int iaddr;
+ iport = htons (atoi (port));
+ if (!iport)
+ {
+ port_info = getservbyname (port, "tcp");
+ if (!port_info)
+ {
+ fprintf (stderr, "Service %s unknown\n", port);
+ exit (EXIT_FAILURE);
+ }
+ iport = port_info->s_port;
+ }
+ iaddr = inet_addr (addr);
+ if (iaddr == INADDR_NONE)
+ {
+ host_info = gethostbyname (addr);
+ if (!host_info)
+ {
+ fprintf (stderr, "Host %s unknown\n", addr);
+ exit (EXIT_FAILURE);
+ }
+ iaddr = * (int *) host_info->h_addr;
+ }
+ saddr.sin_family = AF_INET;
+ saddr.sin_addr.s_addr = iaddr;
+ saddr.sin_port = iport;
+ s = socket (AF_INET, SOCK_STREAM, 0);
+ if (s < 0)
+ {
+ perror ("socket");
+ exit (EXIT_FAILURE);
+ }
+ if (connect (s, (struct sockaddr *) &saddr, sizeof (saddr)) < 0)
+ {
+ perror ("connect");
+ exit (EXIT_FAILURE);
+ }
+ return s;
+}