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#include <sys/types.h>
#include <netinet/in.h>
#if defined(__OpenBSD__)
#include <sys/queue.h>
#else
#include <bsd/sys/queue.h>
#endif
#define GGNET_NULL_HDRLEN 4 // XXX portable ?
#define GGNET_NODE_MAX_WITHOUT_TIMEOUT 1000
#define GGNET_NODE_TIMEOUT 300 // XXX conf ?
#define GGNET_CONN_TIMEOUT 300 // XXX conf ?
#define GGNET_CONN_TIMEOUT_UDP 20 // XXX conf ?
#define GGNET_CONN_TIMEOUT_ICMP 10 // XXX conf ?
#define GGNET_CONN_FREEIDS_COUNT 65536 /* 2^16 as freeids are u_int16_t */
#define GGNET_CONNTIMER 5 // XXX conf ?
struct ggnet_node {
LIST_ENTRY(ggnet_node) entry;
struct in_addr addr;
time_t lastseen;
int used;
short namelen;
#define NODENAME_WAITING -1
#define NODENAME_FAILED -2
char *name;
};
enum ggnet_connstate {
CONNSTATE_ESTABLISHED,
CONNSTATE_TCPFIN,
CONNSTATE_TCPFIN2
};
struct ggnet_conn {
LIST_ENTRY(ggnet_conn) entry;
u_int id;
enum ggnet_connstate state;
struct ggnet_node *src;
u_int src_port;
struct ggnet_node *dst;
u_int dst_port;
u_int proto;
u_int size;
time_t lastseen;
};
struct ggnet {
LIST_HEAD(, ggnet_conn) conn_list;
LIST_HEAD(, ggnet_node) node_list;
int conn_count;
int node_count;
u_int16_t conn_freeids[GGNET_CONN_FREEIDS_COUNT];
int conn_freeids_ptr;
time_t time;
};
struct ggnet *ggnet_new(void);
void ggnet_free(struct ggnet *);
struct ggnet_node *ggnet_node_add(struct ggnet *, struct in_addr *);
void ggnet_node_del(struct ggnet *, struct ggnet_node *);
struct ggnet_node *ggnet_node_find(struct ggnet *, struct in_addr *);
struct ggnet_conn *ggnet_conn_add(struct ggnet *, struct in_addr *, int,
struct in_addr *, int, int, int);
void ggnet_conn_data(struct ggnet *, struct ggnet_conn *,
int, int);
void ggnet_conn_del(struct ggnet *, struct ggnet_conn *);
struct ggnet_conn *ggnet_conn_find(struct ggnet *, struct in_addr *);
void ggnet_time_update(struct ggnet *, time_t);
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