nes-proj/core/sys/log.c

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2017-06-26 12:24:47 +00:00
/*
* Copyright (c) 2017, RISE SICS.
* 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Header file for the logging system
* \author
* Simon Duquennoy <simon.duquennoy@ri.se>
*/
/** \addtogroup sys
* @{ */
/**
* \defgroup log Per-module, per-level logging
* @{
*
* The log module performs per-module, per-level logging
*
*/
#if NETSTACK_CONF_WITH_IPV6
#include "sys/log.h"
#include "net/ip/ip64-addr.h"
/*---------------------------------------------------------------------------*/
void
log_6addr(const uip_ipaddr_t *ipaddr)
{
uint16_t a;
unsigned int i;
int f;
if(ipaddr == NULL) {
LOG_OUTPUT("(NULL IP addr)");
return;
}
if(ip64_addr_is_ipv4_mapped_addr(ipaddr)) {
/* Printing IPv4-mapped addresses is done according to RFC 4291 */
LOG_OUTPUT("::FFFF:%u.%u.%u.%u", ipaddr->u8[12], ipaddr->u8[13], ipaddr->u8[14], ipaddr->u8[15]);
} else {
for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
a = (ipaddr->u8[i] << 8) + ipaddr->u8[i + 1];
if(a == 0 && f >= 0) {
if(f++ == 0) {
LOG_OUTPUT("::");
}
} else {
if(f > 0) {
f = -1;
} else if(i > 0) {
LOG_OUTPUT(":");
}
LOG_OUTPUT("%x", a);
}
}
}
}
/*---------------------------------------------------------------------------*/
void
log_6addr_compact(const uip_ipaddr_t *ipaddr)
{
if(ipaddr == NULL) {
LOG_OUTPUT("6A-NULL");
} else if(uip_is_addr_mcast(ipaddr)) {
LOG_OUTPUT("6M-%04x", UIP_HTONS(ipaddr->u16[sizeof(uip_ipaddr_t)/2-1]));
} else if(uip_is_addr_linklocal(ipaddr)) {
LOG_OUTPUT("6L-%04x", UIP_HTONS(ipaddr->u16[sizeof(uip_ipaddr_t)/2-1]));
} else {
LOG_OUTPUT("6G-%04x", UIP_HTONS(ipaddr->u16[sizeof(uip_ipaddr_t)/2-1]));
}
}
#endif /* NETSTACK_CONF_WITH_IPV6 */
/*---------------------------------------------------------------------------*/
void
log_lladdr(const linkaddr_t *lladdr)
{
if(lladdr == NULL) {
LOG_OUTPUT("(NULL LL addr)");
return;
} else {
unsigned int i;
for(i = 0; i < LINKADDR_SIZE; i++) {
if(i > 0 && i % 2 == 0) {
LOG_OUTPUT(".");
}
LOG_OUTPUT("%02x", lladdr->u8[i]);
}
}
}
/*---------------------------------------------------------------------------*/
void
log_lladdr_compact(const linkaddr_t *lladdr)
{
if(lladdr == NULL || linkaddr_cmp(lladdr, &linkaddr_null)) {
LOG_OUTPUT("LL-NULL");
} else {
LOG_OUTPUT("LL-%04x", UIP_HTONS(lladdr->u16[LINKADDR_SIZE/2-1]));
}
}
/** @} */
/** @} */