Add utility functions for obtaining human readable strings.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>
master
Richard Cochran 2011-11-06 07:37:06 +01:00
parent c9a15e6094
commit e930bc4e11
3 changed files with 132 additions and 1 deletions

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@ -24,7 +24,7 @@ CFLAGS = -Wall $(INC) $(DEBUG)
LDFLAGS =
LDLIBS = -lm -lrt
PRG = linuxptp
OBJ = bmc.o fsm.o phc.o print.o
OBJ = bmc.o fsm.o phc.o print.o util.o
SRC = $(OBJ:.o=.c)
DEPEND = $(OBJ:.o=.d)

74
util.c 100644
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@ -0,0 +1,74 @@
/**
* @file util.c
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include "util.h"
char *ps_str[] = {
"NONE",
"INITIALIZING",
"FAULTY",
"DISABLED",
"LISTENING",
"PRE_MASTER",
"MASTER",
"GRAND_MASTER",
"PASSIVE",
"UNCALIBRATED",
"SLAVE",
};
char *ev_str[] = {
"NONE",
"POWERUP",
"INITIALIZE",
"DESIGNATED_ENABLED",
"DESIGNATED_DISABLED",
"FAULT_CLEARED",
"FAULT_DETECTED",
"STATE_DECISION_EVENT",
"QUALIFICATION_TIMEOUT_EXPIRES",
"ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES",
"SYNCHRONIZATION_FAULT",
"MASTER_CLOCK_SELECTED",
"RS_MASTER",
"RS_SLAVE",
"RS_PASSIVE",
};
char *cid2str(struct ClockIdentity *id)
{
static char buf[64];
unsigned char *ptr = id->id;
snprintf(buf, sizeof(buf), "%02x%02x%02x.%02x%02x.%02x%02x%02x",
ptr[0], ptr[1], ptr[2], ptr[3],
ptr[4], ptr[5], ptr[6], ptr[7]);
return buf;
}
char *pid2str(struct PortIdentity *id)
{
static char buf[64];
unsigned char *ptr = id->clockIdentity.id;
snprintf(buf, sizeof(buf), "%02x%02x%02x.%02x%02x.%02x%02x%02x-%hu",
ptr[0], ptr[1], ptr[2], ptr[3],
ptr[4], ptr[5], ptr[6], ptr[7],
id->portNumber);
return buf;
}

57
util.h 100644
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@ -0,0 +1,57 @@
/**
* @file util.h
* @brief Various little utility functions that do not fit in elsewhere.
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef HAVE_UTIL_H
#define HAVE_UTIL_H
#include "ddt.h"
/**
* Table of human readable strings, one for each port state.
*/
extern char *ps_str[];
/**
* Table of human readable strings, one for each port event.
*/
extern char *ev_str[];
/**
* Convert a clock identity into a human readable string.
*
* Note that this function uses a static global variable to store the
* result and therefore is not reentrant.
*
* @param id Clock idendtity to show.
* @return Pointer to a static global buffer holding the result.
*/
char *cid2str(struct ClockIdentity *id);
/**
* Convert a port identity into a human readable string.
*
* Note that this function uses a static global variable to store the
* result and therefore is not reentrant.
*
* @param id Port idendtity to show.
* @return Pointer to a static global buffer holding the result.
*/
char *pid2str(struct PortIdentity *id);
#endif