arlad/arla_local.h

   1 /*
   2  * Copyright (c) 1995 - 2007 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /*
  35  *  Include file for whole arlad
  36  *  $Id$
  37  */
  38
  39 #ifdef HAVE_CONFIG_H
  40 #include <config.h>
  41 #endif
  42
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <assert.h>
  47 #include <ctype.h>
  48 #include <time.h>
  49 #include <limits.h>
  50 #include <errno.h>
  51 #include <sys/time.h>
  52 #if defined(HAVE_DIRENT_H)
  53 #include <dirent.h>
  54 #if DIRENT_AND_SYS_DIR_H
  55 #ifndef __FreeBSD__
  56 /* <sys/dir.h> is for DIRSIZ macro, freebsd uses _GENERIC_DIRSIZ */
  57 #include <sys/dir.h>
  58 #endif
  59 #endif
  60 #elif defined(HAVE_SYS_DIR_H)
  61 #include <sys/dir.h>
  62 #endif
  63 #include <unistd.h>
  64 #include <sys/types.h>
  65 #ifdef HAVE_LINUX_TYPES_H
  66 #include <linux/types.h>
  67 #endif
  68 #include <sys/param.h>
  69 #include <sys/socket.h>
  70 #include <sys/uio.h>
  71 #ifdef HAVE_SYS_MMAN_H
  72 #include <sys/mman.h>
  73 #endif
  74 #ifdef HAVE_SYS_IOCCOM_H
  75 #include <sys/ioccom.h>
  76 #endif
  77 #ifdef HAVE_SYS_STAT_H
  78 #include <sys/stat.h>
  79 #endif
  80 #ifdef HAVE_SYS_MOUNT_H
  81 #include <sys/mount.h>
  82 #endif
  83 #ifdef HAVE_SYS_PRCTL_H
  84 #include <sys/prctl.h>
  85 #endif
  86 #ifdef HAVE_SYS_IOCTL_H
  87 #include <sys/ioctl.h>
  88 #endif
  89 #include <netinet/in.h>
  90 #include <arpa/inet.h>
  91 #include <netdb.h>
  92 #include <fcntl.h>
  93 #include <pwd.h>
  94 #include <err.h>
  95 #include <parse_units.h>
  96 #include <roken.h>
  97
  98 #include <lwp.h>
  99 #include <lock.h>
 100
 101 #include <rx/rx.h>
 102 #include <rx/rx_null.h>
 103
 104 #ifdef HAVE_OPENSSL
 105 #include <openssl/des.h>
 106 #else
 107 #include <des.h>
 108 #endif
 109 #include <rxkad.h>
 110
 111 #include <ifaddrs.h>
 112
 113 #include <arla-pioctl.h>
 114 #ifdef KERBEROS
 115 #include <kafs.h>
 116 #endif
 117
 118 #include <uae.h>
 119
 120 #include "log.h"
 121
 122 #include "fs.h"
 123 #include "cmcb.h"
 124 #include "fs.cs.h"
 125 #include "list.h"
 126 #include "vldb.h"
 127 #include "vldb.cs.h"
 128 #include "volcache.h"
 129 #include "fbuf.h"
 130 #include "bool.h"
 131 #include "hash.h"
 132 #include "heap.h"
 133 #include "afs_dir.h"
 134 #include "ports.h"
 135 #include "conn.h"
 136 #include "poller.h"
 137 #include "fcache.h"
 138 #include "abuf.h"
 139 #include "blocks.h"
 140 #include "state.h"
 141 #include "inter.h"
 142 #include "cred.h"
 143 #include "adir.h"
 144 #include "service.h"
 145 #include "subr.h"
 146 #include "fprio.h"
 147 #include "disco.h"
 148 #include "stats.h"
 149 #include "kernel.h"
 150 #include "messages.h"
 151 #include "fs_errors.h"
 152 #include "arladeb.h"
 153 #include "ko.h"
 154 #include "nnpfs.h"
 155 #include "afs_uuid.h"
 156
 157 enum connected_mode { CONNECTED  = 0,
 158                       FETCH_ONLY = 1,
 159                       DISCONNECTED = 2,
 160                       CONNECTEDLOG = 4};
 161
 162 extern enum connected_mode connected_mode;
 163
 164 #include "dynroot.h"
 165
 166 #define assert_flag(e,f)        assert((e)->flags.f)
 167 #define assert_not_flag(e,f)    assert(!(e)->flags.f)
 168
 169 /* for asserts normally disabled */
 170 #if 0
 171 #define arla_debug_assert(x) assert(x)
 172 #else
 173 #define arla_debug_assert(x) do { ; } while (0)
 174 #endif
 175
 176 #define SYSNAMEMAXLEN 2048
 177 extern char **sysnamelist;
 178 extern int sysnamenum;
 179
 180
 181 #define ARLA_NUMCONNS 200
 182 #define ARLA_HIGH_VNODES 4000
 183 #define ARLA_LOW_VNODES 3000
 184 #define ARLA_HIGH_BYTES 40000000
 185 #define ARLA_LOW_BYTES 30000000
 186 #define ARLA_NUMCREDS 200
 187 #define ARLA_NUMVOLS 100
 188
 189 /* Block size should be a power of 2. */
 190 #ifdef BLOCKS_PARANOIA
 191 #define ARLA_BLOCKSIZE 8192
 192 #else
 193 #define ARLA_BLOCKSIZE 131072
 194 #endif
 195
 196 /*
 197  * This should be a not used uid in the system,
 198  * NNPFS_ANONYMOUSID may be good
 199  */
 200
 201 #define ARLA_NO_AUTH_CRED 4
 202
 203 extern int fake_mp;
 204 extern char *default_log_file;
 205 extern char *default_arla_cachedir;
 206
 207 extern int fork_flag;           /* if the program should fork */
 208 extern int num_workers;         /* number of workers program should use */
 209 extern int client_port;         /* what port the client is using */
 210 extern int afs_BusyWaitPeriod;  /* number of sec to wait on fs when VBUSY */
 211 extern int use_o_largefile;     /* turns off largefile cache if set to 0 */
 212
 213 void
 214 store_state (void);
 215
 216 int
 217 arla_init (void);
 218
 219 char *
 220 get_default_cache_dir (void);
 221
 222 #ifndef O_BINARY
 223 #define O_BINARY 0
 224 #endif
 225
 226 #ifndef O_LARGEFILE
 227 #define O_LARGEFILE 0
 228 #endif
 229
 230 extern const char *conf_file;
 231 extern char *log_file;
 232 extern char *debug_levels;
 233 extern char *connected_mode_string;
 234 #ifdef KERBEROS
 235 extern const char *rxkad_level_string;
 236 #endif
 237 extern const char *argv_sysname;
 238 extern char *root_volume;
 239 extern int cpu_usage;
 240 extern int version_flag;
 241 extern int help_flag;
 242 extern int recover;
 243 extern int dynroot_enable;
 244 extern int cm_consistency;
 245 extern int fake_stat;
 246 extern uint64_t fetch_block_size;
 247
 248 extern char *cache_dir;
 249 extern char *trace_file;