259 lines
9.0 KiB
C
259 lines
9.0 KiB
C
/****************************************************************************
|
|
* net/procfs/net_mld.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/* Output format:
|
|
*
|
|
* Joins: xxxx Leaves: xxxx
|
|
* Sent Sched Sent
|
|
* Queries: xxxx xxxx
|
|
* Reports:
|
|
* Ver 1: ---- xxxx
|
|
* Ver 2: xxxx xxxx
|
|
* Done: xxxx xxxx
|
|
* Received:
|
|
* Queries:
|
|
* Gen: xxxx
|
|
* MAS: xxxx
|
|
* MASSQ: xxxx
|
|
* Ucast: xxxx
|
|
* Bad: xxxx
|
|
* Reports:
|
|
* Ver 1: xxxx
|
|
* Ver 2: xxxx
|
|
* Done: xxxx
|
|
*/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/net/netstats.h>
|
|
|
|
#include "procfs/procfs.h"
|
|
|
|
#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_FS_PROCFS) && \
|
|
!defined(CONFIG_FS_PROCFS_EXCLUDE_NET) && defined(CONFIG_NET_STATISTICS)
|
|
|
|
#if defined(CONFIG_NET_ICMPv6) || defined(CONFIG_NET_MLD)
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/* Line generating functions */
|
|
|
|
static int netprocfs_joinleave(FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_queries_sent(FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_reports_sent(FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_done_sent(FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_queries_received_1(
|
|
FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_queries_received_2(
|
|
FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_reports_received(
|
|
FAR struct netprocfs_file_s *netfile);
|
|
static int netprocfs_done_received(FAR struct netprocfs_file_s *netfile);
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/* Line generating functions */
|
|
|
|
static const linegen_t g_mld_linegen[] =
|
|
{
|
|
netprocfs_joinleave,
|
|
netprocfs_queries_sent,
|
|
netprocfs_reports_sent,
|
|
netprocfs_done_sent,
|
|
netprocfs_queries_received_1,
|
|
netprocfs_queries_received_2,
|
|
netprocfs_reports_received,
|
|
netprocfs_done_received
|
|
};
|
|
|
|
#define NSTAT_LINES (sizeof(g_mld_linegen) / sizeof(linegen_t))
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_joinleave
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_joinleave(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN, "Joins: %04x ",
|
|
g_netstats.mld.njoins);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len, "Leaves: %04x\n",
|
|
g_netstats.mld.nleaves);
|
|
return len;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_queries_sent
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_queries_sent(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN, "Sent Sched Sent\n");
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Queries: %04x %04x\n",
|
|
g_netstats.mld.query_sched, g_netstats.mld.query_sent);
|
|
return len;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_reports_sent
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_reports_sent(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN, " Reports:\n");
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Ver 1: ---- %04x\n",
|
|
g_netstats.mld.v1report_sent);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Ver 2: %04x %04x\n",
|
|
g_netstats.mld.report_sched, g_netstats.mld.v2report_sent);
|
|
return len;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_done_sent
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_done_sent(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
return snprintf(netfile->line, NET_LINELEN, " Done: %04x %04x\n",
|
|
g_netstats.mld.done_sched, g_netstats.mld.done_sent);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_queries_received_1 and _2
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_queries_received_1(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN, "Received:\n");
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Queries:\n");
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Gen: %04x\n",
|
|
g_netstats.mld.gm_query_received);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" MAS: %04x\n",
|
|
g_netstats.mld.mas_query_received);
|
|
return len;
|
|
}
|
|
|
|
static int netprocfs_queries_received_2(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN,
|
|
" MASS: %04x\n",
|
|
g_netstats.mld.mass_query_received);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Ucast: %04x\n",
|
|
g_netstats.mld.ucast_query_received);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Bad: %04x\n",
|
|
g_netstats.mld.bad_query_received);
|
|
return len;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_reports_received
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_reports_received(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
int len;
|
|
|
|
len = snprintf(netfile->line, NET_LINELEN, " Reports:\n");
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Ver 1: %04x\n",
|
|
g_netstats.mld.v1report_received);
|
|
len += snprintf(&netfile->line[len], NET_LINELEN - len,
|
|
" Ver 2: %04x\n",
|
|
g_netstats.mld.v2report_received);
|
|
return len;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_done_received
|
|
****************************************************************************/
|
|
|
|
static int netprocfs_done_received(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
return snprintf(netfile->line, NET_LINELEN , " Done: %04x\n",
|
|
g_netstats.mld.done_received);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_read_mldstats
|
|
*
|
|
* Description:
|
|
* Read and format MLD statistics.
|
|
*
|
|
* Input Parameters:
|
|
* priv - A reference to the network procfs file structure
|
|
* buffer - The user-provided buffer into which network status will be
|
|
* returned.
|
|
* bulen - The size in bytes of the user provided buffer.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned
|
|
* on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
ssize_t netprocfs_read_mldstats(FAR struct netprocfs_file_s *priv,
|
|
FAR char *buffer, size_t buflen)
|
|
{
|
|
return netprocfs_read_linegen(priv, buffer, buflen,
|
|
g_mld_linegen, NSTAT_LINES);
|
|
}
|
|
|
|
#endif /* CONFIG_NET_ICMPv6 || CONFIG_NET_MLD */
|
|
#endif /* !CONFIG_DISABLE_MOUNTPOINT && CONFIG_FS_PROCFS &&
|
|
* !CONFIG_FS_PROCFS_EXCLUDE_NET */
|