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Makefile
(775 B)
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Makefile.depend
(398 B)
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activemap.c
(17.58 KB)
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activemap.h
(2.86 KB)
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control.c
(14.08 KB)
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control.h
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crc32.c
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crc32.h
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ebuf.c
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ebuf.h
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event.c
(4.18 KB)
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event.h
(1.83 KB)
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hast.conf.5
(11.13 KB)
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hast.h
(7.98 KB)
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hast_checksum.c
(4.13 KB)
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hast_checksum.h
(1.83 KB)
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hast_compression.c
(6.69 KB)
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hast_compression.h
(1.85 KB)
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hast_proto.c
(5.15 KB)
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hast_proto.h
(1.98 KB)
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hastd.8
(6.57 KB)
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hastd.c
(36.46 KB)
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hastd.h
(2.04 KB)
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hooks.c
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hooks.h
(1.88 KB)
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lzf.c
(11.03 KB)
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lzf.h
(7.31 KB)
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metadata.c
(6.43 KB)
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metadata.h
(1.83 KB)
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nv.c
(21.83 KB)
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nv.h
(5.84 KB)
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parse.y
(22.02 KB)
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pjdlog.c
(12.97 KB)
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pjdlog.h
(4.71 KB)
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primary.c
(67.26 KB)
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proto.c
(10.66 KB)
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proto.h
(2.73 KB)
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proto_common.c
(5.81 KB)
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proto_impl.h
(3.08 KB)
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proto_socketpair.c
(5.75 KB)
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proto_tcp.c
(14.76 KB)
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proto_uds.c
(8.32 KB)
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rangelock.c
(3.49 KB)
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rangelock.h
(1.94 KB)
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refcnt.h
(1.91 KB)
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secondary.c
(26.69 KB)
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subr.c
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subr.h
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synch.h
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token.l
(2.84 KB)
Editing: hast.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * Copyright (c) 2009-2010 The FreeBSD Foundation * Copyright (c) 2011 Pawel Jakub Dawidek <pawel@dawidek.net> * All rights reserved. * * This software was developed by Pawel Jakub Dawidek under sponsorship from * the FreeBSD Foundation. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _HAST_H_ #define _HAST_H_ #include <sys/queue.h> #include <sys/socket.h> #include <arpa/inet.h> #include <netinet/in.h> #include <limits.h> #include <pthread.h> #include <stdbool.h> #include <stdint.h> #include <activemap.h> #include "proto.h" /* * Version history: * 0 - initial version * 1 - HIO_KEEPALIVE added * 2 - "memsync" and "received" attributes added for memsync mode */ #define HAST_PROTO_VERSION 2 #define EHAST_OK 0 #define EHAST_NOENTRY 1 #define EHAST_INVALID 2 #define EHAST_NOMEMORY 3 #define EHAST_UNIMPLEMENTED 4 #define HASTCTL_CMD_UNKNOWN 0 #define HASTCTL_CMD_SETROLE 1 #define HASTCTL_CMD_STATUS 2 #define HAST_ROLE_UNDEF 0 #define HAST_ROLE_INIT 1 #define HAST_ROLE_PRIMARY 2 #define HAST_ROLE_SECONDARY 3 #define HAST_SYNCSRC_UNDEF 0 #define HAST_SYNCSRC_PRIMARY 1 #define HAST_SYNCSRC_SECONDARY 2 #define HIO_UNDEF 0 #define HIO_READ 1 #define HIO_WRITE 2 #define HIO_DELETE 3 #define HIO_FLUSH 4 #define HIO_KEEPALIVE 5 #define HAST_USER "hast" #define HAST_TIMEOUT 20 #define HAST_CONFIG "/etc/hast.conf" #define HAST_CONTROL "/var/run/hastctl" #define HASTD_LISTEN_TCP4 "tcp4://0.0.0.0:8457" #define HASTD_LISTEN_TCP6 "tcp6://[::]:8457" #define HASTD_PIDFILE "/var/run/hastd.pid" /* Default extent size. */ #define HAST_EXTENTSIZE 2097152 /* Default maximum number of extents that are kept dirty. */ #define HAST_KEEPDIRTY 64 #define HAST_ADDRSIZE 1024 #define HAST_TOKEN_SIZE 16 /* Number of seconds to sleep between reconnect retries or keepalive packets. */ #define HAST_KEEPALIVE 10 struct hastd_listen { /* Address to listen on. */ char hl_addr[HAST_ADDRSIZE]; /* Protocol-specific data. */ struct proto_conn *hl_conn; TAILQ_ENTRY(hastd_listen) hl_next; }; struct hastd_config { /* Address to communicate with hastctl(8). */ char hc_controladdr[HAST_ADDRSIZE]; /* Protocol-specific data. */ struct proto_conn *hc_controlconn; /* Incoming control connection. */ struct proto_conn *hc_controlin; /* PID file path. */ char hc_pidfile[PATH_MAX]; /* List of addresses to listen on. */ TAILQ_HEAD(, hastd_listen) hc_listen; /* List of resources. */ TAILQ_HEAD(, hast_resource) hc_resources; }; #define HAST_REPLICATION_FULLSYNC 0 #define HAST_REPLICATION_MEMSYNC 1 #define HAST_REPLICATION_ASYNC 2 #define HAST_COMPRESSION_NONE 0 #define HAST_COMPRESSION_HOLE 1 #define HAST_COMPRESSION_LZF 2 #define HAST_CHECKSUM_NONE 0 #define HAST_CHECKSUM_CRC32 1 #define HAST_CHECKSUM_SHA256 2 struct nv; /* * Structure that describes single resource. */ struct hast_resource { /* Resource name. */ char hr_name[NAME_MAX]; /* Negotiated replication mode (HAST_REPLICATION_*). */ int hr_replication; /* Configured replication mode (HAST_REPLICATION_*). */ int hr_original_replication; /* Provider name that will appear in /dev/hast/. */ char hr_provname[NAME_MAX]; /* Synchronization extent size. */ int hr_extentsize; /* Maximum number of extents that are kept dirty. */ int hr_keepdirty; /* Path to a program to execute on various events. */ char hr_exec[PATH_MAX]; /* Compression algorithm. */ int hr_compression; /* Checksum algorithm. */ int hr_checksum; /* Protocol version. */ int hr_version; /* Path to local component. */ char hr_localpath[PATH_MAX]; /* Descriptor to access local component. */ int hr_localfd; /* Offset into local component. */ off_t hr_localoff; /* Size of usable space. */ off_t hr_datasize; /* Size of entire local provider. */ off_t hr_local_mediasize; /* Sector size of local provider. */ unsigned int hr_local_sectorsize; /* Is flushing write cache supported by the local provider? */ bool hr_localflush; /* Flush write cache on metadata updates? */ int hr_metaflush; /* Descriptor for /dev/ggctl communication. */ int hr_ggatefd; /* Unit number for ggate communication. */ int hr_ggateunit; /* Address of the remote component. */ char hr_remoteaddr[HAST_ADDRSIZE]; /* Local address to bind to for outgoing connections. */ char hr_sourceaddr[HAST_ADDRSIZE]; /* Connection for incoming data. */ struct proto_conn *hr_remotein; /* Connection for outgoing data. */ struct proto_conn *hr_remoteout; /* Token to verify both in and out connection are coming from the same node (not necessarily from the same address). */ unsigned char hr_token[HAST_TOKEN_SIZE]; /* Connection timeout. */ int hr_timeout; /* Resource unique identifier. */ uint64_t hr_resuid; /* Primary's local modification count. */ uint64_t hr_primary_localcnt; /* Primary's remote modification count. */ uint64_t hr_primary_remotecnt; /* Secondary's local modification count. */ uint64_t hr_secondary_localcnt; /* Secondary's remote modification count. */ uint64_t hr_secondary_remotecnt; /* Synchronization source. */ uint8_t hr_syncsrc; /* Resource role: HAST_ROLE_{INIT,PRIMARY,SECONDARY}. */ int hr_role; /* Previous resource role: HAST_ROLE_{INIT,PRIMARY,SECONDARY}. */ int hr_previous_role; /* PID of child worker process. 0 - no child. */ pid_t hr_workerpid; /* Control commands from parent to child. */ struct proto_conn *hr_ctrl; /* Events from child to parent. */ struct proto_conn *hr_event; /* Connection requests from child to parent. */ struct proto_conn *hr_conn; /* Activemap structure. */ struct activemap *hr_amp; /* Lock used to synchronize access to hr_amp. */ pthread_mutex_t hr_amp_lock; /* Lock used to synchronize access to hr_amp diskmap. */ pthread_mutex_t hr_amp_diskmap_lock; /* Number of BIO_READ requests. */ uint64_t hr_stat_read; /* Number of BIO_WRITE requests. */ uint64_t hr_stat_write; /* Number of BIO_DELETE requests. */ uint64_t hr_stat_delete; /* Number of BIO_FLUSH requests. */ uint64_t hr_stat_flush; /* Number of activemap updates. */ uint64_t hr_stat_activemap_update; /* Number of local read errors. */ uint64_t hr_stat_read_error; /* Number of local write errors. */ uint64_t hr_stat_write_error; /* Number of local delete errors. */ uint64_t hr_stat_delete_error; /* Number of flush errors. */ uint64_t hr_stat_flush_error; /* Number of activemap write errors. */ uint64_t hr_stat_activemap_write_error; /* Number of activemap flush errors. */ uint64_t hr_stat_activemap_flush_error; /* Function to output worker specific info on control status request. */ void (*output_status_aux)(struct nv *); /* Next resource. */ TAILQ_ENTRY(hast_resource) hr_next; }; struct hastd_config *yy_config_parse(const char *config, bool exitonerror); void yy_config_free(struct hastd_config *config); #endif /* !_HAST_H_ */
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