From 0018e3a181ecf57b5a702a9b15105194be9aad65 Mon Sep 17 00:00:00 2001
From: Oleg Hahm <oleg@hobbykeller.org>
Date: Sun, 9 Mar 2014 10:01:10 +0000
Subject: [PATCH] shell: added RPL route shell command

---
 sys/shell/commands/Makefile         |  3 ++
 sys/shell/commands/sc_rpl.c         | 53 +++++++++++++++++++++++++++++
 sys/shell/commands/shell_commands.c |  7 ++++
 3 files changed, 63 insertions(+)
 create mode 100644 sys/shell/commands/sc_rpl.c

diff --git a/sys/shell/commands/Makefile b/sys/shell/commands/Makefile
index 64938e4899..0deeb0867a 100644
--- a/sys/shell/commands/Makefile
+++ b/sys/shell/commands/Makefile
@@ -25,6 +25,9 @@ endif
 ifneq (,$(filter ps,$(USEMODULE)))
 	SRC += sc_ps.c
 endif
+ifneq (,$(filter rpl,$(USEMODULE)))
+	SRC += sc_rpl.c
+endif
 ifneq (,$(filter rtc,$(USEMODULE)))
 	SRC += sc_rtc.c
 endif
diff --git a/sys/shell/commands/sc_rpl.c b/sys/shell/commands/sc_rpl.c
new file mode 100644
index 0000000000..2117a4d818
--- /dev/null
+++ b/sys/shell/commands/sc_rpl.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2014 Oliver Hahm <oliver.hahm@inria.fr>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @ingroup shell_commands
+ * @{
+ * @file    sc_rpl.c
+ * @brief   provides shell commands to manage and query RPL
+ * @author  Oliver Hahm <oliver.hahm@inria.fr>
+ * @}
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+
+#include "rpl.h"
+
+static char addr_str[IPV6_MAX_ADDR_STR_LEN];
+
+void _rpl_route_handler(int argc, char **argv)
+{
+    (void) argc;
+    (void) argv;
+
+    rpl_routing_entry_t *rtable;
+    rtable = rpl_get_routing_table();
+    unsigned c = 0;
+    puts("--------------------------------------------------------------------");
+    puts("Routing table");
+    printf(" %-3s  %-18s  %-18s  %s\n", "#", "target", "next hop", "lifetime");
+    puts("--------------------------------------------------------------------");
+
+    for (int i = 0; i < RPL_MAX_ROUTING_ENTRIES; i++) {
+        if (rtable[i].used) {
+            c++;
+            printf(" %03d: %-18s  ", i, ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
+                                            (&rtable[i].address)));
+            printf("%-18s  ", ipv6_addr_to_str(addr_str, IPV6_MAX_ADDR_STR_LEN,
+                                            (&rtable[i].next_hop)));
+            printf("%d\n", rtable[i].lifetime);
+
+        }
+    }
+    puts("--------------------------------------------------------------------");
+    printf(" %d routing table entries\n", c);
+
+    puts("$");
+}
diff --git a/sys/shell/commands/shell_commands.c b/sys/shell/commands/shell_commands.c
index f1740511da..dfc48b8878 100644
--- a/sys/shell/commands/shell_commands.c
+++ b/sys/shell/commands/shell_commands.c
@@ -104,6 +104,10 @@ extern void _transceiver_set_ignore_handler(int argc, char **argv);
 extern void _net_if_ifconfig(int argc, char **argv);
 #endif
 
+#ifdef MODULE_RPL
+extern void _rpl_route_handler(int argc, char **argv);
+#endif
+
 #ifdef MODULE_MCI
 extern void _get_sectorsize(int argc, char **argv);
 extern void _get_blocksize(int argc, char **argv);
@@ -172,6 +176,9 @@ const shell_command_t _shell_command_list[] = {
 #ifdef MODULE_NET_IF
     {"ifconfig", "Configures a network interface", _net_if_ifconfig},
 #endif
+#ifdef MODULE_RPL
+    {"route", "Shows the routing table", _rpl_route_handler},
+#endif
 #ifdef MODULE_MCI
     {DISK_READ_SECTOR_CMD, "Reads the specified sector of inserted memory card", _read_sector},
     {DISK_READ_BYTES_CMD, "Reads the specified bytes from inserted memory card", _read_bytes},