Add code to read a configuration file.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>master
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/**
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* @file config.c
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* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
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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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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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static void scan_line(char *s, struct defaultDS *dds, struct port_defaults *pod)
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{
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int val;
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Integer8 i8;
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UInteger16 u16;
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UInteger8 u8;
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if (1 == sscanf(s, " twoStepFlag %d", &val)) {
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if (val) /* TODO - implement one step */
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dds->twoStepFlag = val ? 1 : 0;
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} else if (1 == sscanf(s, " slaveOnly %d", &val)) {
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dds->slaveOnly = val ? 1 : 0;
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} else if (1 == sscanf(s, " priority1 %hhu", &u8)) {
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dds->priority1 = u8;
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} else if (1 == sscanf(s, " priority2 %hhu", &u8)) {
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dds->priority2 = u8;
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} else if (1 == sscanf(s, " domainNumber %hhu", &u8)) {
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if (u8 < 128)
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dds->domainNumber = u8;
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} else if (1 == sscanf(s, " clockClass %hhu", &u8)) {
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dds->clockQuality.clockClass = u8;
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} else if (1 == sscanf(s, " clockAccuracy %hhx", &u8)) {
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dds->clockQuality.clockAccuracy = u8;
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} else if (1 == sscanf(s, " offsetScaledLogVariance %hx", &u16)) {
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dds->clockQuality.offsetScaledLogVariance = u16;
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} else if (1 == sscanf(s, " logAnnounceInterval %hhd", &i8)) {
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pod->logAnnounceInterval = i8;
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} else if (1 == sscanf(s, " logSyncInterval %hhd", &i8)) {
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pod->logSyncInterval = i8;
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} else if (1 == sscanf(s, " logMinDelayReqInterval %hhd", &i8)) {
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pod->logMinDelayReqInterval = i8;
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} else if (1 == sscanf(s, " announceReceiptTimeout %hhu", &u8)) {
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pod->announceReceiptTimeout = u8;
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}
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}
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int config_read(char *name, struct defaultDS *dds, struct port_defaults *pod)
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{
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FILE *fp;
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char line[1024];
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fp = 0 == strncmp(name, "-", 2) ? stdin : fopen(name, "r");
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if (!fp) {
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perror("fopen");
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return -1;
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}
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while (fgets(line, sizeof(line), fp)) {
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scan_line(line, dds, pod);
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}
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fclose(fp);
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return 0;
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}
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@ -0,0 +1,27 @@
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/**
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* @file config.h
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* @brief Configuration file code
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* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
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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_CONFIG_H
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#define HAVE_CONFIG_H
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#include "ds.h"
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int config_read(char *name, struct defaultDS *dds, struct port_defaults *pod);
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#endif
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@ -0,0 +1,18 @@
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#
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# Default Data Set
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#
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twoStepFlag 1
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slaveOnly 0
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priority1 128
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priority2 128
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domainNumber 0
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clockClass 248
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clockAccuracy 0xFE
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offsetScaledLogVariance 0xFFFF
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#
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# Port Data Set
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#
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logAnnounceInterval 1
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logSyncInterval 0
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logMinDelayReqInterval 0
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announceReceiptTimeout 3
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7
ds.h
7
ds.h
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@ -76,4 +76,11 @@ struct timePropertiesDS {
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Enumeration8 timeSource;
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Enumeration8 timeSource;
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};
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};
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struct port_defaults {
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Integer8 logAnnounceInterval;
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Integer8 logSyncInterval;
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Integer8 logMinDelayReqInterval;
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UInteger8 announceReceiptTimeout;
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};
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#endif
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#endif
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2
makefile
2
makefile
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@ -24,7 +24,7 @@ CFLAGS = -Wall $(INC) $(DEBUG)
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LDFLAGS =
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LDFLAGS =
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LDLIBS = -lm -lrt
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LDLIBS = -lm -lrt
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PRG = ptp4l
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PRG = ptp4l
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OBJ = bmc.o clock.o fsm.o ptp4l.o mave.o msg.o phc.o pi.o port.o \
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OBJ = bmc.o clock.o config.o fsm.o ptp4l.o mave.o msg.o phc.o pi.o port.o \
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print.o servo.o tmtab.o transport.o udp.o util.o
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print.o servo.o tmtab.o transport.o udp.o util.o
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SRC = $(OBJ:.o=.c)
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SRC = $(OBJ:.o=.c)
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