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3ffeba1f67
By letting the producer tell the consumer there is data to check, and the consumer tell the producer there is some space left again, we can cut in half the number of session wakeups. This is also an important starting point for future splicing support.
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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include/proto/stream_sock.h
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This file contains client-side definitions.
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Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, version 2.1
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exclusively.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_STREAM_SOCK_H
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#define _PROTO_STREAM_SOCK_H
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <common/config.h>
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#include <types/stream_interface.h>
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/* main event functions used to move data between sockets and buffers */
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int stream_sock_read(int fd);
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int stream_sock_write(int fd);
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void stream_sock_data_finish(struct stream_interface *si);
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void stream_sock_shutr(struct stream_interface *si);
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void stream_sock_shutw(struct stream_interface *si);
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void stream_sock_chk_rcv(struct stream_interface *si);
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void stream_sock_chk_snd(struct stream_interface *si);
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/* This either returns the sockname or the original destination address. Code
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* inspired from Patrick Schaaf's example of nf_getsockname() implementation.
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*/
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static inline int get_original_dst(int fd, struct sockaddr_in *sa, socklen_t *salen) {
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#if defined(TPROXY) && defined(SO_ORIGINAL_DST)
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return getsockopt(fd, SOL_IP, SO_ORIGINAL_DST, (void *)sa, salen);
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#else
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#if defined(TPROXY) && defined(USE_GETSOCKNAME)
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return getsockname(fd, (struct sockaddr *)sa, salen);
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#else
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return -1;
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#endif
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#endif
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}
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#endif /* _PROTO_STREAM_SOCK_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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