From a3f8fdaa59c36d97ac4086c600bd7df6139d2294 Mon Sep 17 00:00:00 2001
From: Olaf Bergmann <obgm@users.sourceforge.net>
Date: Wed, 4 Jul 2012 15:58:21 +0200
Subject: [PATCH] split proxy uri to multiple options when exceeding 270 bytes

---
 examples/client.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/examples/client.c b/examples/client.c
index 06d25577..796a66f2 100644
--- a/examples/client.c
+++ b/examples/client.c
@@ -634,12 +634,20 @@ cmdline_uri(char *arg) {
   int res;
 
   if (proxy.length) {		/* create Proxy-Uri from argument */
+    size_t len = strlen(arg);
+    while (len > 270) {
+      coap_insert(&optlist, 
+		  new_option_node(COAP_OPTION_PROXY_URI,
+				  270, (unsigned char *)arg),
+		  order_opts);
+      len -= 270;
+      arg += 270;
+    }
 
-    coap_insert( &optlist, 
-		 new_option_node(COAP_OPTION_PROXY_URI,
-				 strlen(arg), (unsigned char *)arg),
-		 order_opts);
-
+    coap_insert(&optlist, 
+		new_option_node(COAP_OPTION_PROXY_URI,
+				len, (unsigned char *)arg),
+		order_opts);
   } else {			/* split arg into Uri-* options */
     coap_split_uri((unsigned char *)arg, strlen(arg), &uri );