Archipelago » qemu

/*

 * Copyright (c) 1995 Danny Gasparovski.

 * 

 * Please read the file COPYRIGHT for the 

 * terms and conditions of the copyright.

 */

/* MINE */

#ifndef _SLIRP_SOCKET_H_

#define _SLIRP_SOCKET_H_

#define SO_EXPIRE 240000

#define SO_EXPIREFAST 10000

/*

 * Our socket structure

 */

struct socket {

  struct socket *so_next,*so_prev;      /* For a linked list of sockets */

  int s;                           /* The actual socket */

                        /* XXX union these with not-yet-used sbuf params */

  struct mbuf *so_m;                   /* Pointer to the original SYN packet,

                                    * for non-blocking connect()'s, and

                                    * PING reply's */

  struct tcpiphdr *so_ti;           /* Pointer to the original ti within

                                    * so_mconn, for non-blocking connections */

  int so_urgc;

  struct in_addr so_faddr;           /* foreign host table entry */

  struct in_addr so_laddr;           /* local host table entry */

  u_int16_t so_fport;                   /* foreign port */

  u_int16_t so_lport;                   /* local port */

  u_int8_t        so_iptos;        /* Type of service */

  u_int8_t        so_emu;                /* Is the socket emulated? */

  u_char        so_type;                /* Type of socket, UDP or TCP */

  int        so_state;                /* internal state flags SS_*, below */

  struct         tcpcb *so_tcpcb;        /* pointer to TCP protocol control block */

  u_int        so_expire;                /* When the socket will expire */

  int        so_queued;                /* Number of packets queued from this socket */

  int        so_nqueued;                /* Number of packets queued in a row

                                 * Used to determine when to "downgrade" a session

                                         * from fastq to batchq */

  struct sbuf so_rcv;                /* Receive buffer */

  struct sbuf so_snd;                /* Send buffer */

  void * extra;                        /* Extra pointer */

};

/*

 * Socket state bits. (peer means the host on the Internet,

 * local host means the host on the other end of the modem)

 */

#define SS_NOFDREF                0x001        /* No fd reference */

#define SS_ISFCONNECTING        0x002        /* Socket is connecting to peer (non-blocking connect()'s) */

#define SS_ISFCONNECTED                0x004        /* Socket is connected to peer */

#define SS_FCANTRCVMORE                0x008        /* Socket can't receive more from peer (for half-closes) */

#define SS_FCANTSENDMORE        0x010        /* Socket can't send more to peer (for half-closes) */

/* #define SS_ISFDISCONNECTED        0x020*/        /* Socket has disconnected from peer, in 2MSL state */

#define SS_FWDRAIN                0x040        /* We received a FIN, drain data and set SS_FCANTSENDMORE */

#define SS_CTL                        0x080

#define SS_FACCEPTCONN                0x100        /* Socket is accepting connections from a host on the internet */

#define SS_FACCEPTONCE                0x200        /* If set, the SS_FACCEPTCONN socket will die after one accept */

extern struct socket tcb;

#if defined(DECLARE_IOVEC) && !defined(HAVE_READV)

struct iovec {

        char *iov_base;

        size_t iov_len;

};

#endif

void so_init _P((void));

struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));

struct socket * socreate _P((void));

void sofree _P((struct socket *));

int soread _P((struct socket *));

void sorecvoob _P((struct socket *));

int sosendoob _P((struct socket *));

int sowrite _P((struct socket *));

void sorecvfrom _P((struct socket *));

int sosendto _P((struct socket *, struct mbuf *));

struct socket * solisten _P((u_int, u_int32_t, u_int, int));

void sorwakeup _P((struct socket *));

void sowwakeup _P((struct socket *));

void soisfconnecting _P((register struct socket *));

void soisfconnected _P((register struct socket *));

void sofcantrcvmore _P((struct  socket *));

void sofcantsendmore _P((struct socket *));

void soisfdisconnected _P((struct socket *));

void sofwdrain _P((struct socket *));

#endif /* _SOCKET_H_ */