162 lines
4.7 KiB
C
162 lines
4.7 KiB
C
/****************************************************************************
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* net/neighbor/neighbor_dumpentry.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include <nuttx/net/net.h>
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#include <nuttx/net/neighbor.h>
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#include "neighbor/neighbor.h"
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#ifdef CONFIG_DEBUG_NET_INFO
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: neighbor_dump_address
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*
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* Description:
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* Dump a data buffer to the SYSLOG.
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*
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* Input Parameters:
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* buffer - The buffer to be dumped
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* buflen - The length of the buffer in bytes.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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static void neighbor_dump_address(FAR const void *buf, unsigned int buflen)
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{
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char outbuf[16 * 3 + 9]; /* 6-byte header header + 16 hex bytes +
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* 2 space separator + NUL termination */
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FAR const uint8_t *buffer = buf;
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FAR char *ptr;
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unsigned int i;
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unsigned int j;
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unsigned int maxj;
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for (i = 0; i < buflen; i += 16)
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{
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if (i == 0)
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{
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snprintf(outbuf, sizeof(outbuf), " at: ");
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}
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else
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{
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snprintf(outbuf, sizeof(outbuf), " ");
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}
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maxj = 16;
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if (i + maxj > buflen)
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{
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maxj = buflen - i;
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}
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ptr = outbuf + 6;
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for (j = 0; j < maxj; j++)
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{
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if (j == 8)
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{
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*ptr++ = ' ';
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*ptr++ = ' ';
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}
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snprintf(ptr, sizeof(outbuf) - (ptr - outbuf), "%02x ", *buffer++);
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ptr += 3;
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}
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*ptr = '\0';
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ninfo("%s\n", ptr);
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}
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: neighbor_dumpentry
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*
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* Description:
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* Dump the contents of an entry Neighbor Table.
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*
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* Input Parameters:
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* msg - Message to print with the entry
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* neighbor - The table entry to dump
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void neighbor_dumpentry(FAR const char *msg,
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FAR struct neighbor_entry_s *neighbor)
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{
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ninfo("%s: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
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msg,
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NTOHS(neighbor->ne_ipaddr[0]), NTOHS(neighbor->ne_ipaddr[1]),
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NTOHS(neighbor->ne_ipaddr[2]), NTOHS(neighbor->ne_ipaddr[3]),
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NTOHS(neighbor->ne_ipaddr[4]), NTOHS(neighbor->ne_ipaddr[5]),
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NTOHS(neighbor->ne_ipaddr[6]), NTOHS(neighbor->ne_ipaddr[7]));
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neighbor_dump_address(&neighbor->ne_addr.u,
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neighbor->ne_addr.na_llsize);
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}
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/****************************************************************************
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* Name: neighbor_dumpipaddr
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*
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* Description:
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* Dump an IP address.
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*
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* Input Parameters:
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* msg - Message to print with the entry
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* ipaddr - The IP address to dump
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void neighbor_dumpipaddr(FAR const char *msg,
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const net_ipv6addr_t ipaddr)
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{
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ninfo("%s: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
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msg,
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NTOHS(ipaddr[0]), NTOHS(ipaddr[1]), NTOHS(ipaddr[2]),
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NTOHS(ipaddr[3]), NTOHS(ipaddr[4]), NTOHS(ipaddr[5]),
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NTOHS(ipaddr[6]), NTOHS(ipaddr[7]));
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}
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#endif /* CONFIG_DEBUG_NET_INFO */
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