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kaf24@firebug.cl.cam.ac.uk
4c315184c0
and optionally running in user-space. Signed-off-by: Mike Wray <mike.wray@hp.com>
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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* Copyright (C) 2003 - 2004 Mike Wray <mike.wray@hp.com>.
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version. This library is
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* distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _VNET_CONNECTION_H_
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#define _VNET_CONNECTION_H_
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#include <netinet/in.h>
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#include "iostream.h"
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#include "select.h"
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/** A connection.
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* The underlying transport is a socket.
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* Contains in and out streams using the socket.
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*/
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typedef struct Conn {
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struct sockaddr_in addr;
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int sock;
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int type;
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int mode; // select mode
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IOStream *in;
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IOStream *out;
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int (*fn)(struct Conn *conn, int mode);
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void *data;
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} Conn;
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typedef struct ConnList {
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Conn *conn;
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struct ConnList *next;
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} ConnList;
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extern ConnList * ConnList_add(ConnList *l, Conn *conn);
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extern ConnList * ConnList_del(ConnList *l, Conn *conn);
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extern void ConnList_close(ConnList *l);
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extern void ConnList_select(ConnList *l, SelectSet *set);
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extern ConnList * ConnList_handle(ConnList *l, SelectSet *set);
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extern Conn * Conn_new(int (*fn)(struct Conn *conn, int mode), void *data);
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extern int Conn_init(Conn *conn, int sock, int type, int mode, struct sockaddr_in addr);
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extern int Conn_connect(Conn *conn, int type, struct in_addr ipaddr, uint16_t port);
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extern void Conn_select(Conn *conn, SelectSet *set);
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extern int Conn_handle(Conn *conn, SelectSet *set);
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extern void Conn_close(Conn *conn);
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extern int Conn_socket(int socktype, uint32_t saddr, uint32_t port, int flags, Conn **val);
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/** Socket flags. */
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enum {
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VSOCK_REUSE = 1,
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VSOCK_BIND = 2,
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VSOCK_CONNECT = 4,
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VSOCK_BROADCAST = 8,
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VSOCK_MULTICAST = 16,
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};
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extern int create_socket(int socktype, uint32_t saddr, uint32_t port, int flags, int *sock);
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extern int setsock_reuse(int sock, int val);
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extern int setsock_broadcast(int sock, int val);
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extern int setsock_multicast(int sock, uint32_t iaddr, uint32_t maddr);
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extern int setsock_multicast_ttl(int sock, uint8_t ttl);
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extern int setsock_pktinfo(int sock, int val);
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extern char * socket_flags(int flags);
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#endif /* ! _VNET_CONNECTION_H_ */
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