From ba1dc7105f0e32a576c384809a0e309d0699dbe0 Mon Sep 17 00:00:00 2001
From: adamdunkels <adamdunkels>
Date: Tue, 13 Mar 2007 13:02:33 +0000
Subject: [PATCH] Rime driver running over UDP

---
 core/net/rime/abc-udp.c | 31 ++++++------------------
 core/net/rime/abc-udp.h | 53 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+), 24 deletions(-)
 create mode 100644 core/net/rime/abc-udp.h

diff --git a/core/net/rime/abc-udp.c b/core/net/rime/abc-udp.c
index bcb95bbd1..89a64abdd 100644
--- a/core/net/rime/abc-udp.c
+++ b/core/net/rime/abc-udp.c
@@ -28,12 +28,12 @@
  *
  * This file is part of the Contiki operating system.
  *
- * $Id: abc-udp.c,v 1.1 2007/02/28 16:38:51 adamdunkels Exp $
+ * $Id: abc-udp.c,v 1.2 2007/03/13 13:02:33 adamdunkels Exp $
  */
 
 /**
  * \file
- *         Implementation of the Rime module Anonymous BroadCast (abc) using UDP local broadcast packets.
+ *         A Rime driver that uses UDP local broadcasts.
  * \author
  *         Adam Dunkels <adam@sics.se>
  */
@@ -41,48 +41,31 @@
 #include "net/rime.h"
 
 #define PORT 8096
-
-static u8_t started;
+static struct uip_udp_conn *c;
 /*---------------------------------------------------------------------------*/
 PROCESS(abc_udp_process, "abc_udp");
 PROCESS_THREAD(abc_udp_process, ev, data)
 {
   struct abc_conn *c;
 
+  c = uip_udp_new(HTONS(PORT), NULL);
   
   PROCESS_BEGIN();
 
   while(1) {
     PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event && uip_newdata());
     DEBUGF(0, "%d: abc_udp_process: new data %p\n", node_id, data);
-    c = data;
     rimebuf_copyfrom(uip_appdata, uip_datalen());
-    c->u->recv(c);
+    abc_input_packet();
   }
   
   PROCESS_END();
 }
 /*---------------------------------------------------------------------------*/
 void
-abc_setup(struct abc_conn *c, u16_t channel,
-	 const struct abc_ulayer *u)
+abc_arch_send(u8_t *buf, int len)
 {
-  if(!started) {
-    process_start(&abc_udp_process, NULL);
-    started = 1;
-  }
-  PROCESS_CONTEXT_BEGIN(&abc_udp_process);
-  c->c = udp_broadcast_new(HTONS(PORT + channel), c);
-  PROCESS_CONTEXT_END(&abc_udp_process);
-  c->u = u;
-}
-/*---------------------------------------------------------------------------*/
-int
-abc_send(struct abc_conn *c)
-{
-  DEBUGF(0, "%d: abc_send\n", node_id);
-  uip_len = rimebuf_copyto(uip_buf);
-  uip_udp_packet_send(c->c, uip_buf, uip_len);
+  uip_udp_packet_send(c, uip_buf, uip_len);
   return 1;
 }
 /*---------------------------------------------------------------------------*/
diff --git a/core/net/rime/abc-udp.h b/core/net/rime/abc-udp.h
new file mode 100644
index 000000000..6cc501c0d
--- /dev/null
+++ b/core/net/rime/abc-udp.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2007, Swedish Institute of Computer Science.
+ * 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.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * $Id: abc-udp.h,v 1.1 2007/03/13 13:02:33 adamdunkels Exp $
+ */
+
+/**
+ * \addtogroup rime
+ * @{
+ */
+
+/**
+ * \file
+ *         Header file for a Rime driver that uses UDP local broadcasts.
+ * \author
+ *         Adam Dunkels <adam@sics.se>
+ */
+
+#ifndef __ABC_UDP_H__
+#define __ABC_UDP_H__
+
+PROCESS_NAME(abc_udp_process);
+
+#endif /* __ABC_UDP_H__ */
+
+/** @} */