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#ifndef IPTRAF_NG_TCPTABLE_H
#define IPTRAF_NG_TCPTABLE_H
/***
tcptable.h -- table manipulation for the statistics display.
***/
#include "rate.h"
/*
* max() macros that also do
* strict type-checking.. See the
* "unnecessary" pointer comparison.
*/
#define max(x, y) ({ \
typeof(x) _max1 = (x); \
typeof(y) _max2 = (y); \
(void) (&_max1 == &_max2); \
_max1 > _max2 ? _max1 : _max2; })
#define FLAG_SYN 1
#define FLAG_RST 2
#define FLAG_PSH 4
#define FLAG_ACK 8
#define FLAG_URG 16
#define CLOSED 64
#define ENTRIES_IN_HASH_TABLE 1543
struct tcptableent {
struct sockaddr_storage saddr;
struct sockaddr_storage daddr;
char s_fqdn[45]; /* fully-qualified domain names */
char d_fqdn[45];
int s_fstat;
int d_fstat;
char smacaddr[18];
char s_sname[11]; /* Service names, maxlen=10 */
char d_sname[11];
unsigned int protocol;
unsigned long pcount; /* packet count */
unsigned long bcount; /* byte count */
unsigned int stat; /* TCP flags */
unsigned int win;
unsigned int psize;
unsigned long finack;
int partial;
int finsent;
char ifname[IFNAMSIZ];
unsigned int index;
int reused;
int timedout;
int inclosed;
int half_bracket;
unsigned long spanbr;
struct rate rate;
time_t lastupdate;
time_t starttime;
time_t conn_starttime;
struct tcp_hashentry *hash_node;
struct tcptableent *oth_connection; /* the other half of the connection */
struct tcptableent *prev_entry;
struct tcptableent *next_entry;
};
struct closedlist {
struct tcptableent *closedentry;
struct tcptableent *pair;
struct closedlist *next_entry;
};
struct tcp_hashentry {
unsigned int index;
unsigned int hp; /* index position in bucket array */
struct tcptableent *tcpnode;
struct tcp_hashentry *prev_entry;
struct tcp_hashentry *next_entry;
};
struct tcptable {
struct tcp_hashentry *hash_table[ENTRIES_IN_HASH_TABLE];
struct tcp_hashentry *hash_tails[ENTRIES_IN_HASH_TABLE];
struct tcptableent *head;
struct tcptableent *tail;
struct closedlist *closedentries;
struct closedlist *closedtail;
struct tcptableent *firstvisible;
struct tcptableent *lastvisible;
struct tcptableent *barptr;
unsigned int baridx;
unsigned int lastpos;
unsigned int count;
unsigned int bmaxy; /* number of lines of the border window */
unsigned int imaxy; /* number of lines inside the border */
int ifnamew; /* interface name width to display */
WINDOW *tcpscreen;
PANEL *tcppanel;
WINDOW *borderwin;
PANEL *borderpanel;
};
void init_tcp_table(struct tcptable *table);
struct tcptableent *addentry(struct tcptable *table,
struct sockaddr_storage *saddr,
struct sockaddr_storage *daddr,
int protocol, char *ifname,
int *rev_lookup, int rvnamedon);
struct tcptableent *in_table(struct tcptable *table,
struct sockaddr_storage *saddr,
struct sockaddr_storage *daddr,
char *ifname, int logging,
FILE *logfile, time_t timeout);
void updateentry(struct tcptable *table, struct tcptableent *tableentry,
struct tcphdr *transpacket, char *packet, int linkproto,
unsigned long packetlength, unsigned int bcount,
unsigned int fragofs, int logging, int *revlook, int rvnfd,
FILE *logfile);
void addtoclosedlist(struct tcptable *table, struct tcptableent *tableentry);
void clearaddr(struct tcptable *table, struct tcptableent *tableentry,
unsigned int screen_idx);
void printentry(struct tcptable *table, struct tcptableent *tableentry,
unsigned int screen_idx, int mode);
void refreshtcpwin(struct tcptable *table, unsigned int idx, int mode);
void destroytcptable(struct tcptable *table);
void flushclosedentries(struct tcptable *table, unsigned long *screen_idx,
int logging, FILE *logfile);
void write_timeout_log(int logging, FILE *logfile, struct tcptableent *tcpnode);
void writetcplog(int logging, FILE *fd, struct tcptableent *entry,
unsigned int pktlen, char *message);
void write_tcp_unclosed(int logging, FILE *fd, struct tcptable *table);
#endif /* IPTRAF_NG_TCPTABLE_H */
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