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8524f0f779
Move the QUIC datagram handlers oustide of the receivers. Use a global handler per-thread which is allocated on post-config. Implement a free function on process deinit to avoid a memory leak.
86 lines
3.7 KiB
C
86 lines
3.7 KiB
C
/*
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* include/haproxy/receiver-t.h
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* This file defines the structures needed to manage receivers.
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*
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* Copyright (C) 2000-2020 Willy Tarreau - w@1wt.eu
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*
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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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*
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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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*
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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 _HAPROXY_RECEIVER_T_H
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#define _HAPROXY_RECEIVER_T_H
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <haproxy/api-t.h>
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#include <haproxy/namespace-t.h>
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#include <haproxy/thread.h>
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/* Bit values for receiver->flags */
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#define RX_F_BOUND 0x00000001 /* receiver already bound */
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#define RX_F_INHERITED 0x00000002 /* inherited FD from the parent process (fd@) */
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#define RX_F_MWORKER 0x00000004 /* keep the FD open in the master but close it in the children */
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#define RX_F_LOCAL_ACCEPT 0x00000008 /* do not use a tasklet for accept, connections will be accepted on the current thread */
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/* Bit values for rx_settings->options */
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#define RX_O_FOREIGN 0x00000001 /* receives on foreign addresses */
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#define RX_O_V4V6 0x00000002 /* binds to both IPv4 and IPv6 addresses if !V6ONLY */
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#define RX_O_V6ONLY 0x00000004 /* binds to IPv6 addresses only */
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/* All the settings that are used to configure a receiver */
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struct rx_settings {
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struct { /* UNIX socket permissions */
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uid_t uid; /* -1 to leave unchanged */
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gid_t gid; /* -1 to leave unchanged */
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mode_t mode; /* 0 to leave unchanged */
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} ux;
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char *interface; /* interface name or NULL */
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const struct netns_entry *netns; /* network namespace of the listener*/
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unsigned int options; /* receiver options (RX_O_*) */
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uint shards; /* number of shards */
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};
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/* This describes a receiver with all its characteristics (address, options, etc) */
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struct receiver {
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int fd; /* handle we receive from (fd only for now) */
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unsigned int flags; /* receiver options (RX_F_*) */
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struct protocol *proto; /* protocol this receiver belongs to */
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void *owner; /* receiver's owner (usually a listener) */
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void (*iocb)(int fd); /* generic I/O handler (typically accept callback) */
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unsigned long bind_thread; /* bitmask of threads allowed on this receiver */
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uint bind_tgroup; /* thread group ID: 0=global IDs, non-zero=local IDs */
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struct rx_settings *settings; /* points to the settings used by this receiver */
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struct list proto_list; /* list in the protocol header */
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#ifdef USE_QUIC
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struct qring **tx_qrings; /* Array of rings (one by thread) */
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struct mt_list tx_qring_list; /* The same as ->tx_qrings but arranged in a list */
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struct rxbuf **rxbufs; /* Array of buffers for RX (one by thread) */
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struct mt_list rxbuf_list; /* The same as ->rxbufs but arranged in a list */
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#endif
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/* warning: this struct is huge, keep it at the bottom */
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struct sockaddr_storage addr; /* the address the socket is bound to */
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};
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#endif /* _HAPROXY_RECEIVER_T_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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