/*
* addr_server.h -- definitions and prototypes for addr_server.c
* 8-92 : Dwayne Fontenot : original coding.
*/
#ifndef ADDR_SERVER_H
#define ADDR_SERVER_H
#include "network_incl.h"
#define DFAULT_PROTO 0 /* use the appropriate protocol */
#define MAX_CONNS 4 /* max number of connections */
#define SNAME_LEN 64 /* length of symbolic name string */
#define MAX_EVENTS_IN_QUEUE 100
#define MAX_EVENTS_TO_PROCESS 100
#define IN_BUF_SIZE 100
enum conn_states {
CONN_CLOSED, CONN_OPEN
};
enum ev_type {
NEW_CONN, CONN
};
enum msgtypes {
NAMEBYIP = 0, IPBYNAME, DATALEN
};
typedef struct conn *conn_ptr;
typedef struct conn {
int fd; /* file descriptor */
int state; /* connection state */
struct sockaddr_in addr; /* address struct for connected */
char sname[SNAME_LEN]; /* symbolic name of connected host */
int leftover; /* unprocessed bytes in data queue */
char buf[IN_BUF_SIZE];
} connection;
typedef struct queue_elem *queue_element_ptr;
typedef struct queue_elem {
short event_type; /* event type */
int fd; /* file descriptor on which data is pending */
queue_element_ptr next;
} queue_element;
#endif /* _ADDR_SERVER_H_ */
