Add an event loop.

Split client.c into smaller files and functions and
recode around the event loop.
Add multiple interface support using the new event loop.
Document changes and outstanding bugs.

1 files changed, 49 insertions, 0 deletions

diff --git a/arp.h b/arp.h
new file mode 100644
index 00000000..3cfe55a7
--- /dev/null
+++ b/arp.h
@@ -0,0 +1,49 @@
+/* 
+ * dhcpcd - DHCP client daemon
+ * Copyright 2006-2008 Roy Marples <roy@marples.name>
+ * All rights reserved
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef ARP_H
+#define ARP_H
+
+#include "dhcpcd.h"
+
+/* These are for IPV4LL, RFC 3927.
+ * We put them here as we use the timings for all ARP foo. */
+#define PROBE_WAIT		 1
+#define PROBE_NUM		 3
+#define PROBE_MIN		 1
+#define PROBE_MAX		 2
+#define ANNOUNCE_WAIT		 2
+#define ANNOUNCE_NUM		 2
+#define ANNOUNCE_INTERVAL	 2
+#define MAX_CONFLICTS		10
+#define RATE_LIMIT_INTERVAL	60
+#define DEFEND_INTERVAL		10
+
+void send_arp_announce(struct interface *);
+void send_arp_probe(struct interface *);
+void handle_arp_packet(struct interface *);
+#endif