netdebug.c File Reference

Network debug helper functions. More...

#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/icmp.h>
#include <netinet/ip_icmp.h>
#include <netinet/ipcsum.h>
#include <net/netdebug.h>
#include <sys/socket.h>

Include dependency graph for netdebug.c:

Functions
void	NutDumpTcpHeader (FILE *stream, char *ds, TCPSOCKET *sock, NETBUF *nb)
void	NutDumpSockState (FILE *stream, uint8_t state, char *lead, char *trail)
void	NutDumpSocketList (FILE *stream)
void	NutTraceTcp (FILE *stream, uint8_t flags)
	Control TCP tracing.
Variables
TCPSOCKET *	tcpSocketList
UDPSOCKET *	udpSocketList
FILE *	__tcp_trs
	TCP trace output stream.
uint_fast8_t	__tcp_trf
	TCP trace flags.

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Detailed Description

Network debug helper functions.

 * $Id: netdebug.c 3683 2011-12-04 13:42:04Z haraldkipp $
 * 

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Function Documentation

void NutDumpTcpHeader	(	FILE *	stream,
		char *	ds,
		TCPSOCKET *	sock,
		NETBUF *	nb
	)

References fprintf(), fprintf_P, fputs(), _NETBUF::nb_ap, _NETBUF::nb_tp, ntohl, prog_char, _NBDATA::sz, TH_ACK, tcphdr::th_ack, TH_FIN, tcphdr::th_flags, TH_PUSH, TH_RST, tcphdr::th_seq, TH_SYN, TH_URG, and _NBDATA::vp.

Referenced by NutTcpOutput(), NutTcpReject(), NutTcpSm(), and NutTcpStateRetranTimeout().

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void NutDumpSockState	(	FILE *	stream,
		uint8_t	state,
		char *	lead,
		char *	trail
	)

References fputs(), TCPS_CLOSE_WAIT, TCPS_CLOSED, TCPS_CLOSING, TCPS_ESTABLISHED, TCPS_FIN_WAIT_1, TCPS_FIN_WAIT_2, TCPS_LAST_ACK, TCPS_LISTEN, TCPS_SYN_RECEIVED, TCPS_SYN_SENT, and TCPS_TIME_WAIT.

Referenced by NutDumpSocketList().

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void NutDumpSocketList

(

FILE *

stream

)

References fprintf(), fprintf_P, fputs(), inet_ntoa(), ntohs, NutDumpSockState(), prog_char, tcp_socket::so_local_addr, udp_socket::so_local_port, tcp_socket::so_local_port, udp_socket::so_next, tcp_socket::so_next, tcp_socket::so_remote_addr, tcp_socket::so_remote_port, and tcp_socket::so_state.

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void NutTraceTcp	(	FILE *	stream,
		uint8_t	flags
	)

Control TCP tracing.

Parameters:

stream	Pointer to a previously opened stream or null to leave it unchanged.
flags	Flags to enable specific traces.

References __tcp_trf, and __tcp_trs.

Referenced by main().

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Variable Documentation

FILE* __tcp_trs

TCP trace output stream.

Referenced by DhcpStateDebug(), NutArpCacheQuery(), NutArpCacheUpdate(), NutDhcpClient(), NutDhcpIfConfig(), NutTcpOutput(), NutTcpReject(), NutTcpSm(), NutTcpStateRetranTimeout(), and NutTraceTcp().

uint_fast8_t __tcp_trf

TCP trace flags.

Referenced by DhcpStateDebug(), NutArpCacheQuery(), NutArpCacheUpdate(), NutDhcpClient(), NutDhcpIfConfig(), NutTcpOutput(), NutTcpReject(), NutTcpSm(), NutTcpStateRetranTimeout(), and NutTraceTcp().