contiki/platform/cooja/sys/log.c

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/*
* Copyright (c) 2006, Swedish Institute of Computer Science.
* All rights reserved.
*
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* $Id: log.c,v 1.8 2010/01/25 12:34:05 fros4943 Exp $
*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
#include "sys/log.h"
#include "lib/simEnvChange.h"
#define IMPLEMENT_PRINTF 1
#if WITH_UIP
/* uIP packets via SLIP */
#include "uip.h"
#define MAX_LOG_LENGTH (2*UIP_BUFSIZE)
#else /* WITH_UIP */
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#define MAX_LOG_LENGTH 1024
#endif /* WITH_UIP */
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#if MAX_LOG_LENGTH < 1024
#undef MAX_LOG_LENGTH
#define MAX_LOG_LENGTH 1024
#endif /* MAX_LOG_LENGTH < 1024 */
const struct simInterface simlog_interface;
/* Variables shared between COOJA and Contiki */
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char simLoggedData[MAX_LOG_LENGTH];
int simLoggedLength;
char simLoggedFlag;
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/*-----------------------------------------------------------------------------------*/
void
simlog_char(char c)
{
if (simLoggedLength + 1 > MAX_LOG_LENGTH) {
/* Dropping message due to buffer overflow */
return;
}
simLoggedData[simLoggedLength] = c;
simLoggedLength += 1;
simLoggedFlag = 1;
}
/*-----------------------------------------------------------------------------------*/
void
simlog(const char *message)
{
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if (simLoggedLength + strlen(message) > MAX_LOG_LENGTH) {
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/* Dropping message due to buffer overflow */
return;
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}
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memcpy(simLoggedData + simLoggedLength, message, strlen(message));
simLoggedLength += strlen(message);
simLoggedFlag = 1;
}
/*-----------------------------------------------------------------------------------*/
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void
log_message(const char *part1, const char *part2)
{
simlog(part1);
simlog(part2);
}
/*-----------------------------------------------------------------------------------*/
static void
doInterfaceActionsBeforeTick(void)
{
}
/*-----------------------------------------------------------------------------------*/
static void
doInterfaceActionsAfterTick(void)
{
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}
/*-----------------------------------------------------------------------------------*/
#if IMPLEMENT_PRINTF
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int
putchar(int c)
{
simlog_char(c);
return c;
}
/*-----------------------------------------------------------------------------------*/
int
puts(const char* s)
{
simlog(s);
simlog_char('\n');
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return 0;
}
/*-----------------------------------------------------------------------------------*/
int
printf(const char *fmt, ...)
{
int res;
static char buf[MAX_LOG_LENGTH];
va_list ap;
va_start(ap, fmt);
res = vsnprintf(buf, MAX_LOG_LENGTH, fmt, ap);
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va_end(ap);
simlog(buf);
return res;
}
#endif /* IMPLEMENT_PRINTF */
/*-----------------------------------------------------------------------------------*/
SIM_INTERFACE(simlog_interface,
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doInterfaceActionsBeforeTick,
doInterfaceActionsAfterTick);