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Annotation of qemu/slirp/socket.h, revision 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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