/**************************************************************************** * net/procfs/net_mld.c * * Copyright (C) 2018 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /* 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 #include #include #include #include #include #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 */