rump_syspuffs.c revision 1.4.2.2
1 1.4.2.2 wrstuden /* $NetBSD: rump_syspuffs.c,v 1.4.2.2 2008/09/18 04:30:13 wrstuden Exp $ */ 2 1.4.2.2 wrstuden 3 1.4.2.2 wrstuden /* 4 1.4.2.2 wrstuden * Copyright (c) 2008 Antti Kantee. All Rights Reserved. 5 1.4.2.2 wrstuden * 6 1.4.2.2 wrstuden * Development of this software was supported by the 7 1.4.2.2 wrstuden * Research Foundation of Helsinki University of Technology 8 1.4.2.2 wrstuden * 9 1.4.2.2 wrstuden * Redistribution and use in source and binary forms, with or without 10 1.4.2.2 wrstuden * modification, are permitted provided that the following conditions 11 1.4.2.2 wrstuden * are met: 12 1.4.2.2 wrstuden * 1. Redistributions of source code must retain the above copyright 13 1.4.2.2 wrstuden * notice, this list of conditions and the following disclaimer. 14 1.4.2.2 wrstuden * 2. Redistributions in binary form must reproduce the above copyright 15 1.4.2.2 wrstuden * notice, this list of conditions and the following disclaimer in the 16 1.4.2.2 wrstuden * documentation and/or other materials provided with the distribution. 17 1.4.2.2 wrstuden * 18 1.4.2.2 wrstuden * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 19 1.4.2.2 wrstuden * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 1.4.2.2 wrstuden * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21 1.4.2.2 wrstuden * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 1.4.2.2 wrstuden * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 1.4.2.2 wrstuden * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 1.4.2.2 wrstuden * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 1.4.2.2 wrstuden * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 1.4.2.2 wrstuden * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 1.4.2.2 wrstuden * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 1.4.2.2 wrstuden * SUCH DAMAGE. 29 1.4.2.2 wrstuden */ 30 1.4.2.2 wrstuden 31 1.4.2.2 wrstuden #include <sys/types.h> 32 1.4.2.2 wrstuden #include <sys/mount.h> 33 1.4.2.2 wrstuden #include <sys/socket.h> 34 1.4.2.2 wrstuden #include <sys/syslimits.h> 35 1.4.2.2 wrstuden 36 1.4.2.2 wrstuden #include <assert.h> 37 1.4.2.2 wrstuden #include <err.h> 38 1.4.2.2 wrstuden #include <paths.h> 39 1.4.2.2 wrstuden #include <puffs.h> 40 1.4.2.2 wrstuden #include <stdio.h> 41 1.4.2.2 wrstuden #include <stdlib.h> 42 1.4.2.2 wrstuden #include <unistd.h> 43 1.4.2.2 wrstuden 44 1.4.2.2 wrstuden #include <rump/rump.h> 45 1.4.2.2 wrstuden 46 1.4.2.2 wrstuden #include "rump_syspuffs.h" 47 1.4.2.2 wrstuden 48 1.4.2.2 wrstuden #ifndef MOUNT_NOMAIN 49 1.4.2.2 wrstuden #include <rump/p2k.h> 50 1.4.2.2 wrstuden 51 1.4.2.2 wrstuden int 52 1.4.2.2 wrstuden main(int argc, char *argv[]) 53 1.4.2.2 wrstuden { 54 1.4.2.2 wrstuden char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; 55 1.4.2.2 wrstuden struct syspuffs_args args; 56 1.4.2.2 wrstuden int mntflags, rv; 57 1.4.2.2 wrstuden 58 1.4.2.2 wrstuden #if 1 59 1.4.2.2 wrstuden extern int puffsdebug; 60 1.4.2.2 wrstuden extern int putterdebug; 61 1.4.2.2 wrstuden 62 1.4.2.2 wrstuden puffsdebug = putterdebug = 1; 63 1.4.2.2 wrstuden #endif 64 1.4.2.2 wrstuden 65 1.4.2.2 wrstuden setprogname(argv[0]); 66 1.4.2.2 wrstuden 67 1.4.2.2 wrstuden mount_syspuffs_parseargs(argc, argv, &args, &mntflags, 68 1.4.2.2 wrstuden canon_dev, canon_dir); 69 1.4.2.2 wrstuden 70 1.4.2.2 wrstuden rv = p2k_run_fs(MOUNT_PUFFS, canon_dev, canon_dir, mntflags, 71 1.4.2.2 wrstuden &args.us_kargs, sizeof(args.us_kargs), args.us_pflags); 72 1.4.2.2 wrstuden if (rv) 73 1.4.2.2 wrstuden err(1, "mount"); 74 1.4.2.2 wrstuden 75 1.4.2.2 wrstuden return 0; 76 1.4.2.2 wrstuden } 77 1.4.2.2 wrstuden #endif /* MOUNT_NOMAIN */ 78 1.4.2.2 wrstuden 79 1.4.2.2 wrstuden static void 80 1.4.2.2 wrstuden usage(void) 81 1.4.2.2 wrstuden { 82 1.4.2.2 wrstuden 83 1.4.2.2 wrstuden errx(1, "%s: server server_parameters", getprogname()); 84 1.4.2.2 wrstuden } 85 1.4.2.2 wrstuden 86 1.4.2.2 wrstuden void 87 1.4.2.2 wrstuden mount_syspuffs_parseargs(int argc, char *argv[], 88 1.4.2.2 wrstuden struct syspuffs_args *args, int *mntflags, 89 1.4.2.2 wrstuden char *canon_dev, char *canon_dir) 90 1.4.2.2 wrstuden { 91 1.4.2.2 wrstuden struct puffs_kargs *kargs = &args->us_kargs; 92 1.4.2.2 wrstuden int *pflags = &args->us_pflags; 93 1.4.2.2 wrstuden char comfd[16]; 94 1.4.2.2 wrstuden int sv[2]; 95 1.4.2.2 wrstuden size_t len; 96 1.4.2.2 wrstuden int rv; 97 1.4.2.2 wrstuden 98 1.4.2.2 wrstuden if (argc < 2) 99 1.4.2.2 wrstuden usage(); 100 1.4.2.2 wrstuden 101 1.4.2.2 wrstuden /* Create sucketpair for communication with the real file server */ 102 1.4.2.2 wrstuden if (socketpair(PF_LOCAL, SOCK_STREAM, 0, sv) == -1) 103 1.4.2.2 wrstuden err(1, "socketpair"); 104 1.4.2.2 wrstuden 105 1.4.2.2 wrstuden rump_init(); 106 1.4.2.2 wrstuden 107 1.4.2.2 wrstuden switch (fork()) { 108 1.4.2.2 wrstuden case 0: 109 1.4.2.2 wrstuden close(sv[1]); 110 1.4.2.2 wrstuden snprintf(comfd, sizeof(sv[0]), "%d", sv[0]); 111 1.4.2.2 wrstuden if (setenv("PUFFS_COMFD", comfd, 1) == -1) 112 1.4.2.2 wrstuden err(1, "setenv"); 113 1.4.2.2 wrstuden 114 1.4.2.2 wrstuden argv++; 115 1.4.2.2 wrstuden if (execvp(argv[0], argv) == -1) 116 1.4.2.2 wrstuden err(1, "execvp"); 117 1.4.2.2 wrstuden /*NOTREACHED*/ 118 1.4.2.2 wrstuden case -1: 119 1.4.2.2 wrstuden err(1, "fork"); 120 1.4.2.2 wrstuden /*NOTREACHED*/ 121 1.4.2.2 wrstuden default: 122 1.4.2.2 wrstuden close(sv[0]); 123 1.4.2.2 wrstuden break; 124 1.4.2.2 wrstuden } 125 1.4.2.2 wrstuden 126 1.4.2.2 wrstuden /* read args */ 127 1.4.2.2 wrstuden if (read(sv[1], &len, sizeof(len)) != sizeof(len)) 128 1.4.2.2 wrstuden err(1, "mp 1"); 129 1.4.2.2 wrstuden if (len > MAXPATHLEN) 130 1.4.2.2 wrstuden err(1, "mntpath > MAXPATHLEN"); 131 1.4.2.2 wrstuden if (read(sv[1], canon_dir, len) != len) 132 1.4.2.2 wrstuden err(1, "mp 2"); 133 1.4.2.2 wrstuden if (read(sv[1], &len, sizeof(len)) != sizeof(len)) 134 1.4.2.2 wrstuden err(1, "fn 1"); 135 1.4.2.2 wrstuden if (len > MAXPATHLEN) 136 1.4.2.2 wrstuden err(1, "devpath > MAXPATHLEN"); 137 1.4.2.2 wrstuden if (read(sv[1], canon_dev, len) != len) 138 1.4.2.2 wrstuden err(1, "fn 2"); 139 1.4.2.2 wrstuden if (read(sv[1], mntflags, sizeof(*mntflags)) != sizeof(*mntflags)) 140 1.4.2.2 wrstuden err(1, "mntflags"); 141 1.4.2.2 wrstuden if (read(sv[1], kargs, sizeof(*kargs)) != sizeof(*kargs)) 142 1.4.2.2 wrstuden err(1, "puffs_args"); 143 1.4.2.2 wrstuden if (read(sv[1], pflags, sizeof(*pflags)) != sizeof(*pflags)) 144 1.4.2.2 wrstuden err(1, "pflags"); 145 1.4.2.2 wrstuden 146 1.4.2.2 wrstuden /* XXX: some adjustments */ 147 1.4.2.2 wrstuden *pflags |= PUFFS_KFLAG_NOCACHE; 148 1.4.2.2 wrstuden *pflags &= ~PUFFS_FLAG_BUILDPATH; 149 1.4.2.2 wrstuden 150 1.4.2.2 wrstuden rv = syspuffs_glueinit(sv[1], &kargs->pa_fd); 151 1.4.2.2 wrstuden assert(rv == 0); 152 1.4.2.2 wrstuden } 153
Indexes created Fri Oct 31 09:09:54 GMT 2025