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/* public things from tcp.c */
#ifndef _TCP_H_
#define _TCP_H_
extern int tcp_fd; /* current socket file descriptor */
extern int tcp_main_fd; /* main session socket */
extern int tcp_max_fd; /* highest used fd */
extern int tcp_count; /* number of open connections */
extern int tcp_attachcount; /* number of spawned or attached commands */
extern int conn_max_index; /* 1 + highest used conn_list[] index */
/* multiple connections control */
/* state of telnet connection */
#define NORMAL 0
#define ALTNORMAL 1
#define GOT_N 2
#define GOT_R 3
#define GOTIAC 4
#define GOTWILL 5
#define GOTWONT 6
#define GOTDO 7
#define GOTDONT 8
#define GOTSB 9
#define GOTSBIAC 10
/* connection flags: */
/* ACTIVE: display remote output */
/* SPAWN: spawned cmd, not a mud */
/* IDEDITOR: sent #request editor */
/* IDPROMPT: sent #request prompt */
#define ACTIVE 1
#define SPAWN 2
#define IDEDITOR 4
#define IDPROMPT 8
typedef struct {
char *id; /* session id */
char *host; /* address of remote host */
int port; /* port number of remote host */
int fd; /* fd number */
char *fragment; /* for SPAWN connections: unprocessed text */
char flags;
char state;
char old_state;
} connsess;
extern connsess conn_list[MAX_CONNECTS]; /* connection list */
extern byte conn_table[MAX_FDSCAN]; /* fd -> index translation table */
#define CONN_LIST(n) conn_list[conn_table[n]]
#define CONN_INDEX(n) conn_list[n]
extern fd_set fdset; /* set of descriptors to select() on */
int tcp_connect(const char *addr, int port);
int tcp_read(int fd, char *buffer, int maxsize);
void tcp_raw_write(int fd, const char *data, int len);
void tcp_write_escape_iac(int fd, const char *data, int len);
void tcp_write_tty_size(void);
void tcp_write(int fd, char *data);
void tcp_main_write(char *data);
void tcp_flush(void);
void tcp_set_main(int fd);
void tcp_open(char *id, char *initstring, char *host, int port);
int tcp_find(char *id);
void tcp_show(void);
void tcp_close(char *id);
void tcp_togglesnoop(char *id);
void tcp_spawn(char *id, char *cmd);
int tcp_unIAC(char *data, int len);
#endif /* _TCP_H_ */
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