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9d849adfab
Replace app-side includes of <debug.h> with <nuttx/debug.h> to use the header from the NuttX tree explicitly after the header move. Signed-off-by: Piyush Patle <piyushpatle228@gmail.com>
103 lines
3 KiB
C
103 lines
3 KiB
C
/****************************************************************************
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* apps/netutils/netlib/netlib_checkifconflict.c
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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 <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <nuttx/debug.h>
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#include "netutils/netlib.h"
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#ifdef CONFIG_NET_ARP_ACD
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Determines the size of an intermediate buffer that must be large enough
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* to handle the longest line generated by this logic.
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*/
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#define PROCFS_LINELEN 80
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#define PROCFS_NET_PATH "/proc/net/"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: netlib_check_ifconflict
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*
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* Description:
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* Check the network driver ip conflict
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*
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* Parameters:
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* ifname The name of the interface to use
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*
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* Return:
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* 0 on no conflict; a nagtive on failure; 1 on conflict
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*
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****************************************************************************/
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int netlib_check_ifconflict(FAR const char *ifname)
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{
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int conflict = 0;
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char path[32];
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char line[PROCFS_LINELEN];
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FAR FILE *stream;
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if (ifname == NULL)
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{
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fprintf(stderr, "ERROR: ifname is NULL \n");
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return -EINVAL;
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}
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snprintf(path, sizeof(path), "%s%s", PROCFS_NET_PATH, ifname);
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ninfo("get dev statistics from %s \n", path);
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stream = fopen(path, "r");
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if (stream == NULL)
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{
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fprintf(stderr, "ERROR: Failed to open path:%s \n", path);
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return -errno;
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}
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while (fgets(line, sizeof(line), stream) != NULL)
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{
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if (strstr(line, "conflict!") != NULL)
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{
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conflict = 1;
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break;
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}
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}
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fclose(stream);
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return conflict;
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}
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#endif /* CONFIG_NET_ARP_ACD */
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