Annotation of qemu/slirp/socket.h, revision 1.1.1.4

1.1       root        1: /*
                      2:  * Copyright (c) 1995 Danny Gasparovski.
1.1.1.2   root        3:  *
                      4:  * Please read the file COPYRIGHT for the
1.1       root        5:  * terms and conditions of the copyright.
                      6:  */
                      7: 
                      8: #ifndef _SLIRP_SOCKET_H_
                      9: #define _SLIRP_SOCKET_H_
                     10: 
                     11: #define SO_EXPIRE 240000
                     12: #define SO_EXPIREFAST 10000
                     13: 
                     14: /*
                     15:  * Our socket structure
                     16:  */
                     17: 
                     18: struct socket {
                     19:   struct socket *so_next,*so_prev;      /* For a linked list of sockets */
                     20: 
                     21:   int s;                           /* The actual socket */
                     22: 
1.1.1.4 ! root       23:   Slirp *slirp;                           /* managing slirp instance */
        !            24: 
1.1       root       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 */
1.1.1.2   root       36: 
1.1       root       37:   u_int8_t     so_iptos;       /* Type of service */
                     38:   u_int8_t     so_emu;         /* Is the socket emulated? */
1.1.1.2   root       39: 
1.1       root       40:   u_char       so_type;                /* Type of socket, UDP or TCP */
                     41:   int  so_state;               /* internal state flags SS_*, below */
1.1.1.2   root       42: 
1.1       root       43:   struct       tcpcb *so_tcpcb;        /* pointer to TCP protocol control block */
                     44:   u_int        so_expire;              /* When the socket will expire */
1.1.1.2   root       45: 
1.1       root       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 */
1.1.1.2   root       50: 
1.1       root       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_FWDRAIN             0x040   /* We received a FIN, drain data and set SS_FCANTSENDMORE */
                     68: 
                     69: #define SS_CTL                 0x080
                     70: #define SS_FACCEPTCONN         0x100   /* Socket is accepting connections from a host on the internet */
                     71: #define SS_FACCEPTONCE         0x200   /* If set, the SS_FACCEPTCONN socket will die after one accept */
                     72: 
1.1.1.4 ! root       73: #define SS_PERSISTENT_MASK     0xf000  /* Unremovable state bits */
        !            74: #define SS_HOSTFWD             0x1000  /* Socket describes host->guest forwarding */
        !            75: #define SS_INCOMING            0x2000  /* Connection was initiated by a host on the internet */
        !            76: 
        !            77: struct socket * solookup(struct socket *, struct in_addr, u_int, struct in_addr, u_int);
        !            78: struct socket * socreate(Slirp *);
        !            79: void sofree(struct socket *);
        !            80: int soread(struct socket *);
        !            81: void sorecvoob(struct socket *);
        !            82: int sosendoob(struct socket *);
        !            83: int sowrite(struct socket *);
        !            84: void sorecvfrom(struct socket *);
        !            85: int sosendto(struct socket *, struct mbuf *);
        !            86: struct socket * tcp_listen(Slirp *, u_int32_t, u_int, u_int32_t, u_int,
        !            87:                                int);
        !            88: void soisfconnecting(register struct socket *);
        !            89: void soisfconnected(register struct socket *);
        !            90: void sofwdrain(struct socket *);
        !            91: struct iovec; /* For win32 */
1.1.1.3   root       92: size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np);
                     93: int soreadbuf(struct socket *so, const char *buf, int size);
1.1       root       94: 
                     95: #endif /* _SOCKET_H_ */

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