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Annotation of qemu/slirp/socket.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1995 Danny Gasparovski.
                      3:  * 
                      4:  * Please read the file COPYRIGHT for the 
                      5:  * terms and conditions of the copyright.
                      6:  */
                      7: 
                      8: /* MINE */
                      9: 
                     10: #ifndef _SLIRP_SOCKET_H_
                     11: #define _SLIRP_SOCKET_H_
                     12: 
                     13: #define SO_EXPIRE 240000
                     14: #define SO_EXPIREFAST 10000
                     15: 
                     16: /*
                     17:  * Our socket structure
                     18:  */
                     19: 
                     20: struct socket {
                     21:   struct socket *so_next,*so_prev;      /* For a linked list of sockets */
                     22: 
                     23:   int s;                           /* The actual socket */
                     24: 
                     25:                        /* XXX union these with not-yet-used sbuf params */
                     26:   struct mbuf *so_m;              /* Pointer to the original SYN packet,
                     27:                                    * for non-blocking connect()'s, and
                     28:                                    * PING reply's */
                     29:   struct tcpiphdr *so_ti;         /* Pointer to the original ti within
                     30:                                    * so_mconn, for non-blocking connections */
                     31:   int so_urgc;
                     32:   struct in_addr so_faddr;        /* foreign host table entry */
                     33:   struct in_addr so_laddr;        /* local host table entry */
                     34:   u_int16_t so_fport;             /* foreign port */
                     35:   u_int16_t so_lport;             /* local port */
                     36:   
                     37:   u_int8_t     so_iptos;       /* Type of service */
                     38:   u_int8_t     so_emu;         /* Is the socket emulated? */
                     39:   
                     40:   u_char       so_type;                /* Type of socket, UDP or TCP */
                     41:   int  so_state;               /* internal state flags SS_*, below */
                     42:   
                     43:   struct       tcpcb *so_tcpcb;        /* pointer to TCP protocol control block */
                     44:   u_int        so_expire;              /* When the socket will expire */
                     45:   
                     46:   int  so_queued;              /* Number of packets queued from this socket */
                     47:   int  so_nqueued;             /* Number of packets queued in a row
                     48:                                 * Used to determine when to "downgrade" a session
                     49:                                         * from fastq to batchq */
                     50:        
                     51:   struct sbuf so_rcv;          /* Receive buffer */
                     52:   struct sbuf so_snd;          /* Send buffer */
                     53:   void * extra;                        /* Extra pointer */
                     54: };
                     55: 
                     56: 
                     57: /*
                     58:  * Socket state bits. (peer means the host on the Internet,
                     59:  * local host means the host on the other end of the modem)
                     60:  */
                     61: #define SS_NOFDREF             0x001   /* No fd reference */
                     62: 
                     63: #define SS_ISFCONNECTING       0x002   /* Socket is connecting to peer (non-blocking connect()'s) */
                     64: #define SS_ISFCONNECTED                0x004   /* Socket is connected to peer */
                     65: #define SS_FCANTRCVMORE                0x008   /* Socket can't receive more from peer (for half-closes) */
                     66: #define SS_FCANTSENDMORE       0x010   /* Socket can't send more to peer (for half-closes) */
                     67: /* #define SS_ISFDISCONNECTED  0x020*/ /* Socket has disconnected from peer, in 2MSL state */
                     68: #define SS_FWDRAIN             0x040   /* We received a FIN, drain data and set SS_FCANTSENDMORE */
                     69: 
                     70: #define SS_CTL                 0x080
                     71: #define SS_FACCEPTCONN         0x100   /* Socket is accepting connections from a host on the internet */
                     72: #define SS_FACCEPTONCE         0x200   /* If set, the SS_FACCEPTCONN socket will die after one accept */
                     73: 
                     74: extern struct socket tcb;
                     75: 
                     76: 
                     77: #if defined(DECLARE_IOVEC) && !defined(HAVE_READV)
                     78: struct iovec {
                     79:        char *iov_base;
                     80:        size_t iov_len;
                     81: };
                     82: #endif
                     83: 
                     84: void so_init _P((void));
                     85: struct socket * solookup _P((struct socket *, struct in_addr, u_int, struct in_addr, u_int));
                     86: struct socket * socreate _P((void));
                     87: void sofree _P((struct socket *));
                     88: int soread _P((struct socket *));
                     89: void sorecvoob _P((struct socket *));
                     90: int sosendoob _P((struct socket *));
                     91: int sowrite _P((struct socket *));
                     92: void sorecvfrom _P((struct socket *));
                     93: int sosendto _P((struct socket *, struct mbuf *));
                     94: struct socket * solisten _P((u_int, u_int32_t, u_int, int));
                     95: void sorwakeup _P((struct socket *));
                     96: void sowwakeup _P((struct socket *));
                     97: void soisfconnecting _P((register struct socket *));
                     98: void soisfconnected _P((register struct socket *));
                     99: void sofcantrcvmore _P((struct  socket *));
                    100: void sofcantsendmore _P((struct socket *));
                    101: void soisfdisconnected _P((struct socket *));
                    102: void sofwdrain _P((struct socket *));
                    103: 
                    104: #endif /* _SOCKET_H_ */

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