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Diffstat (limited to 'slirp2/socket.h')
| -rw-r--r-- | slirp2/socket.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/slirp2/socket.h b/slirp2/socket.h new file mode 100644 index 0000000..5b71d45 --- /dev/null +++ b/slirp2/socket.h @@ -0,0 +1,107 @@ +/* + * 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 */ + 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; + uint32_t so_faddr_ip; + uint32_t so_laddr_ip; + uint16_t so_faddr_port; + uint16_t so_laddr_port; + uint16_t so_haddr_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 */ + + SBufRec so_rcv; /* Receive buffer */ + SBufRec 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 */ +#define SS_PROXIFIED 0x400 /* Socket is trying to connect through a proxy, only makes sense + when SS_ISFCONNECTING is also set */ +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 *, uint32_t, u_int, uint32_t, 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 *, MBuf )); +struct socket * solisten _P((u_int, u_int32_t, u_int, int)); +int sounlisten _P((u_int port)); +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_ */ |