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/* -*- indent-tabs-mode: nil; -*- */
#ifndef __VBOX_LWIP_LOG_H__
#define __VBOX_LWIP_LOG_H__
#include <VBox/log.h>
#ifdef LWIP_DEBUG
/*
* All LWIP_DBG_* constants fit into a byte, so we use upper bits to
* encode the VBox log group.
*
* Mapping between FOO_DEBUG and LOG_GROUP_LWIP_FOO is straightforward
* except for IP4 where extra '4' was added to the group names to make
* it possible to specify lwip_ip4* instead of lwip_ip*, where the
* latter would enable both IP4 and IP6 logging.
*
* We ignore LWIP_DBG_STATE &c since in our scheme they would traslate
* into additional log groups and require combinatorial explosion. We
* probably can use LWIP_DBG_TYPES_ON for finer selection if need be
* (for internal debugging only, as it requires recompilation).
*
* Debug levels are mapped to RT debug levels so lwip's default level
* ends up as RT's level4. Non-default levels are currently not used
* much in lwip sources, so enable l4 to get the logs.
*
* Caveat: Slight snag. The LOG_GROUP_LWIP_XXXX are enum values and
* the lwIP XXXX_DEBUG macros are used in \#if XXXX_DEBUG
* tests around the place. This make MSC raise complaint
* C4668, that e.g. 'LOG_GROUP_LWIP_IP4' is not defined as a
* preprocessor macro and therefore replaced with '0'.
* However, that works just fine because we or LWIP_DBG_ON so
* the test is true despite the warning. Thus the pragma
* below.
*/
# ifdef _MSC_VER
# pragma warning(disable:4668)
# endif
# define LWIP_DEBUGF_LOG_GROUP_SHIFT 8
# define LWIP_DEBUGF_LOG_GROUP(_g) \
(((_g) << LWIP_DEBUGF_LOG_GROUP_SHIFT) | LWIP_DBG_ON)
# define API_LIB_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_API_LIB)
# define API_MSG_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_API_MSG)
# define ETHARP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_ETHARP)
# define ICMP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_ICMP)
# define IGMP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_IGMP)
# define INET_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_INET)
# define IP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_IP4)
# define IP_REASS_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_IP4_REASS)
# define IP6_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_IP6)
# define MEM_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_MEM)
# define MEMP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_MEMP)
# define NETIF_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_NETIF)
# define PBUF_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_PBUF)
# define RAW_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_RAW)
# define SOCKETS_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_SOCKETS)
# define SYS_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_SYS)
# define TCP_CWND_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_CWND)
# define TCP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP)
# define TCP_FR_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_FR)
# define TCP_INPUT_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_INPUT)
# define TCP_OUTPUT_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_OUTPUT)
# define TCP_QLEN_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_QLEN)
# define TCP_RST_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_RST)
# define TCP_RTO_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_RTO)
# define TCP_WND_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCP_WND)
# define TCPIP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TCPIP)
# define TIMERS_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_TIMERS)
# define UDP_DEBUG LWIP_DEBUGF_LOG_GROUP(LOG_GROUP_LWIP_UDP)
/*
* The following symbols are for debugging of modules that are not
* compiled in. They are listed here for reference but there're no
* log groups defined for them currently.
*/
# undef AUTOIP_DEBUG
# undef DHCP_DEBUG
# undef DNS_DEBUG
# undef PPP_DEBUG
# undef SLIP_DEBUG
# undef SNMP_MIB_DEBUG
# undef SNMP_MSG_DEBUG
# ifdef LOG_ENABLED
# define LWIP_DEBUGF(_when, _args) \
do { \
const VBOXLOGGROUP _group = (_when) >> LWIP_DEBUGF_LOG_GROUP_SHIFT; \
if (_group >= LOG_GROUP_DEFAULT) { \
/* severe => l1; serious => l2; warning => l3; default => l4 */ \
const unsigned int _level = 1U << (LWIP_DBG_MASK_LEVEL + 1 - ((_when) & LWIP_DBG_MASK_LEVEL)); \
LogIt(_level, _group, _args); \
} \
} while (0)
# else /* !LOG_ENABLED */
# define LWIP_DEBUGF(_when, _args) do { } while (0)
# endif /* !LOG_ENABLED */
#endif /* LWIP_DEBUG */
#endif /* !__VBOX_LWIP_LOG_H__ */
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