snmp4lptp: Added function for data collection from ptp4l program.
General function to use for sending signals for data collection from ptp4l program. Signed-off-by: Anders Selhammer <anders.selhammer@est.tech>master
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68dcd10673
commit
1d0832b2f5
37
snmp4lptp.c
37
snmp4lptp.c
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@ -17,6 +17,9 @@
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <errno.h>
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#include <poll.h>
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#include <net-snmp/net-snmp-config.h>
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#include <net-snmp/net-snmp-includes.h>
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#include <net-snmp/agent/net-snmp-agent-includes.h>
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@ -24,10 +27,44 @@
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#include "config.h"
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#include "pmc_common.h"
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#include "print.h"
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#include "snmp4lptp_mib.h"
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#include "util.h"
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#define SNMP_NFD 1
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static struct pmc *pmc;
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struct ptp_message* snmp4lptp_run_pmc(char *cmd)
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{
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struct pollfd pollfd[SNMP_NFD];
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int cnt, tmo = 100;
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pollfd[0].fd = pmc_get_transport_fd(pmc);
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pollfd[0].events = POLLIN | POLLPRI;
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if (cmd && pmc_do_command(pmc, cmd)) {
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pr_err("bad command: %s", cmd);
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}
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while (is_running()) {
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cnt = poll(pollfd, SNMP_NFD, tmo);
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if (cnt < 0) {
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if (EINTR == errno) {
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continue;
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} else {
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pr_emerg("poll failed");
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break;
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}
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} else if (!cnt) {
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break;
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}
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if (pollfd[0].revents & (POLLIN|POLLPRI)) {
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return pmc_recv(pmc);
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}
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}
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return NULL;
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}
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static int open_pmc(struct config *cfg)
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{
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char uds_local[MAX_IFNAME_SIZE + 1];
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@ -0,0 +1,30 @@
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/**
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* @file snmp4lptp_mib.h
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* @brief Common header file for all supported mibs in linuxptp
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* @note Copyright (C) 2018 Anders Selhammer <anders.selhammer@est.tech>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef HAVE_SNMP4LPTP_MIB_H
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#define HAVE_SNMP4LPTP_MIB_H
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#include "msg.h"
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/*
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* function declarations
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*/
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struct ptp_message* snmp4lptp_run_pmc(char *cmd);
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#endif /* HAVE_SNMP4LPTP_MIB_H */
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