/*
 *  socket_efuns.h -- definitions and prototypes for socket_efuns.c
 *                    5-92 : Dwayne Fontenot : original coding.
 *                   10-92 : Dave Richards : less original coding.
 */

#ifndef _SOCKET_EFUNS_H_
#define _SOCKET_EFUNS_H_

#include "lpc_incl.h"
#include "network_incl.h"

enum socket_mode {
    MUD, STREAM, DATAGRAM, STREAM_BINARY, DATAGRAM_BINARY
};

enum socket_state {
    STATE_CLOSED, STATE_FLUSHING, STATE_UNBOUND, STATE_BOUND, STATE_LISTEN, STATE_DATA_XFER
};

#define	BUF_SIZE	2048	/* max reliable packet size	   */
#define ADDR_BUF_SIZE	64	/* max length of address string    */

typedef struct {
    int fd;
    short flags;
    enum socket_mode mode;
    enum socket_state state;
    struct sockaddr_in l_addr;
    struct sockaddr_in r_addr;
    object_t *owner_ob;
    object_t *release_ob;
    union string_or_func read_callback;
    union string_or_func write_callback;
    union string_or_func close_callback;
    char *r_buf;
    int r_off;
    long r_len;
    char *w_buf;
    int w_off;
    int w_len;
} lpc_socket_t;

extern lpc_socket_t *lpc_socks;
extern int max_lpc_socks;

#define	S_RELEASE	0x001
#define	S_BLOCKED	0x002
#define	S_HEADER	0x004
#define	S_WACCEPT	0x008
#define S_BINARY	0x010
#define S_READ_FP	0x020
#define S_WRITE_FP	0x040
#define S_CLOSE_FP	0x080
#define S_EXTERNAL	0x100
#define S_LINKDEAD	0x200

array_t *socket_status PROT((int));
array_t *socket_status_by_fd PROT((int));
int check_valid_socket PROT((char *, int, object_t *, char *, int));
void socket_read_select_handler PROT((int));
void socket_write_select_handler PROT((int));
void assign_socket_owner PROT((svalue_t *, object_t *));
object_t *get_socket_owner PROT((int));
void dump_socket_status PROT((outbuffer_t *));
void close_referencing_sockets PROT((object_t *));
int get_socket_address PROT((int, char *, int *, int));
int socket_bind PROT((int, int, char *));
int socket_create PROT((enum socket_mode, svalue_t *, svalue_t *));
int socket_listen PROT((int, svalue_t *));
int socket_accept PROT((int, svalue_t *, svalue_t *));
int socket_connect PROT((int, char *, svalue_t *, svalue_t *));
int socket_write PROT((int, svalue_t *, char *));
int socket_close PROT((int, int));
int socket_release PROT((int, object_t *, svalue_t *));
int socket_acquire PROT((int, svalue_t *, svalue_t *, svalue_t *));
char *socket_error PROT((int));
int find_new_socket PROT((void));
void set_read_callback PROT((int, svalue_t *));
void set_write_callback PROT((int, svalue_t *));
void set_close_callback PROT((int, svalue_t *));

#endif				/* _SOCKET_EFUNS_H_ */