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#include <stdint.h>
#ifndef WINDOWS
#include <sys/socket.h>
#else
#include <winsock2.h>
#endif
#define ALG_HASH_VALID 1
#define ALG_ROUNDROBIN 2
#define ALG_WEIGHT 4
#define ALG_PRIO 8
#define ALG_HASH 16
#define ALG_STUBBORN 32
#define EMERGENCY_SERVER (-1)
#define ABUSE_SERVER (-2)
#define NO_SERVER (-3)
#define BLACKLIST_TIME 30 /* how long to shun a server that is down */
#define WEIGHT_FACTOR 256 /* to make weight kick in earlier */
typedef struct {
int status; /* last failed connection attempt */
int acl; /* which clients can use this server */
struct sockaddr_storage addr;
uint8_t hwaddr[6];
int c; /* connections */
int weight; /* default 1 */
int prio;
int maxc; /* max connections, soft limit */
int hard; /* max connections, hard limit */
uint64_t sx, rx; /* bytes sent, received */
} server;
extern int nservers; /* number of servers */
extern server *servers;
extern int current;
extern int emerg_server;
extern int abuse_server;
extern int blacklist_time;
extern int server_alg;
extern char *e_server;
extern char *a_server;
extern void setaddress(int, char *, int, int);
extern void blacklist_server(int);
extern int unused_server_slot(int);
extern int server_is_blacklisted(int);
extern int server_is_unavailable(int);
extern int server_by_roundrobin(void);
extern int initial_server(int);
extern int failover_server(int);
extern int try_server(int, int);
extern void expand_servertable(int);
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