X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=qemu%2Fslirp%2Fsocket.h;fp=qemu%2Fslirp%2Fsocket.h;h=57e0407ebcf8acd69644dd4e2249597b4b7af926;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/slirp/socket.h b/qemu/slirp/socket.h new file mode 100644 index 000000000..57e0407eb --- /dev/null +++ b/qemu/slirp/socket.h @@ -0,0 +1,97 @@ +/* + * Copyright (c) 1995 Danny Gasparovski. + * + * Please read the file COPYRIGHT for the + * terms and conditions of the copyright. + */ + +#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 */ + + int pollfds_idx; /* GPollFD GArray index */ + + Slirp *slirp; /* managing slirp instance */ + + /* 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 */ + uint16_t so_fport; /* foreign port */ + uint16_t so_lport; /* local port */ + + uint8_t so_iptos; /* Type of service */ + uint8_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_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_PERSISTENT_MASK 0xf000 /* Unremovable state bits */ +#define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */ +#define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */ + +struct socket * solookup(struct socket *, struct in_addr, u_int, struct in_addr, u_int); +struct socket * socreate(Slirp *); +void sofree(struct socket *); +int soread(struct socket *); +void sorecvoob(struct socket *); +int sosendoob(struct socket *); +int sowrite(struct socket *); +void sorecvfrom(struct socket *); +int sosendto(struct socket *, struct mbuf *); +struct socket * tcp_listen(Slirp *, uint32_t, u_int, uint32_t, u_int, + int); +void soisfconnecting(register struct socket *); +void soisfconnected(register struct socket *); +void sofwdrain(struct socket *); +struct iovec; /* For win32 */ +size_t sopreprbuf(struct socket *so, struct iovec *iov, int *np); +int soreadbuf(struct socket *so, const char *buf, int size); + +#endif /* _SOCKET_H_ */