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authorMike Buland <eichlan@xagasoft.com>2011-04-27 14:39:21 +0000
committerMike Buland <eichlan@xagasoft.com>2011-04-27 14:39:21 +0000
commitf504a6c9ae3634799d36963aeea82160b2f10920 (patch)
tree2a8078bca5181228935ff7e4875683b90cbe5ba4 /src/tools
parentf254b23578a9a53a56e6cea980ba588e5f830314 (diff)
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The myriadfs program is now in it's own seperate area and not built by default.
Diffstat (limited to 'src/tools')
-rw-r--r--src/tools/myriadfs.cpp333
1 files changed, 0 insertions, 333 deletions
diff --git a/src/tools/myriadfs.cpp b/src/tools/myriadfs.cpp
deleted file mode 100644
index 3e4599b..0000000
--- a/src/tools/myriadfs.cpp
+++ /dev/null
@@ -1,333 +0,0 @@
1/*
2 * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libbu++ library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
8#define FUSE_USE_VERSION 26
9
10#include <fuse.h>
11
12#include <string.h>
13#include <errno.h>
14
15#include <bu/file.h>
16#include <bu/myriadfs.h>
17#include <bu/myriadstream.h>
18#include <bu/hash.h>
19
20Bu::File *pF = NULL;
21Bu::MyriadFs *pFs = NULL;
22
23typedef Bu::Hash<int64_t, Bu::MyriadStream> FileHash;
24FileHash hOpenFiles;
25int64_t iNextFileId = 0;
26
27#define TRACE
28
29extern "C" {
30 static int myriadfs_getattr( const char *sPath, struct stat *stbuf )
31 {
32#ifdef TRACE
33 printf("myriadfs_getattr(\"%s\", ... );\n", sPath );
34#endif
35 try
36 {
37 Bu::MyriadFs::Stat st;
38 pFs->stat( sPath, st );
39 stbuf->st_ino = st.iNode;
40 stbuf->st_mode = st.uPerms;
41 stbuf->st_nlink = st.iLinks;
42 stbuf->st_uid = st.iUser;
43 stbuf->st_gid = st.iGroup;
44 stbuf->st_rdev = Bu::MyriadFs::devToSys( st.uDev );
45 stbuf->st_size = st.iSize;
46 stbuf->st_blocks = 8;
47 stbuf->st_atime = st.iATime;
48 stbuf->st_mtime = st.iMTime;
49 stbuf->st_ctime = st.iCTime;
50 return 0;
51 }
52 catch(...)
53 {
54 return -ENOENT;
55 }
56 }
57
58 static int myriadfs_readdir( const char *sPath, void *buf,
59 fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi )
60 {
61#ifdef TRACE
62 printf("myriadfs_readdir(\"%s\", ... );\n", sPath );
63#endif
64 Bu::MyriadFs::Dir lDir = pFs->readDir( sPath );
65 filler( buf, ".", NULL, 0 );
66 filler( buf, "..", NULL, 0 );
67 for( Bu::MyriadFs::Dir::iterator i = lDir.begin(); i; i++ )
68 {
69 filler( buf, (*i).sName.getStr(), NULL, 0 );
70 }
71
72 return 0;
73 }
74
75 static int myriadfs_mkdir( const char *sPath, mode_t uMode )
76 {
77#ifdef TRACE
78 printf("myriadfs_mkdir(\"%s\", 0%o );\n", sPath, uMode );
79#endif
80 pFs->mkDir( sPath, uMode );
81 return 0;
82 }
83
84 static int myriadfs_open( const char *sPath, struct fuse_file_info *fi )
85 {
86#ifdef TRACE
87 printf("myriadfs_open(\"%s\", ... );\n", sPath );
88#endif
89 try
90 {
91 Bu::MyriadStream ms = pFs->open( sPath, 0 );
92 fi->fh = iNextFileId;
93 hOpenFiles.insert( iNextFileId++, ms );
94// printf("File '%s' opened, %d files open now.\n",
95// sPath, hOpenFiles.getSize() );
96 return 0;
97 }
98 catch(...)
99 {
100 return -EACCES;
101 }
102 }
103
104 static int myriadfs_read( const char *sPath, char *buf, size_t iSize,
105 off_t iOffset, struct fuse_file_info *fi )
106 {
107#ifdef TRACE
108 printf("myriadfs_read(\"%s\", ..., %d, %d, ... );\n", sPath, iSize,
109 iOffset );
110#endif
111 Bu::MyriadStream &ms = hOpenFiles.get( fi->fh );
112 ms.setPos( iOffset );
113 return ms.read( buf, iSize );
114 }
115
116 static int myriadfs_write( const char *sPath, const char *buf, size_t iSize,
117 off_t iOffset, struct fuse_file_info *fi )
118 {
119#ifdef TRACE
120 printf("myriadfs_write(\"%s\", ..., %d, %d, ... );\n", sPath, iSize,
121 iOffset );
122#endif
123 Bu::MyriadStream &ms = hOpenFiles.get( fi->fh );
124 ms.setPos( iOffset );
125 return ms.write( buf, iSize );
126 }
127
128 static int myriadfs_create( const char *sPath, mode_t uPerms,
129 struct fuse_file_info *fi )
130 {
131#ifdef TRACE
132 printf("myriadfs_create(\"%s\", 0%o, ... );\n", sPath, uPerms );
133#endif
134 try
135 {
136 Bu::MyriadStream ms = pFs->open( sPath, 0, uPerms );
137 fi->fh = iNextFileId;
138 hOpenFiles.insert( iNextFileId++, ms );
139// printf("File '%s' created, %d files open now.\n",
140// sPath, hOpenFiles.getSize() );
141 return 0;
142 }
143 catch(...)
144 {
145 return -EACCES;
146 }
147 }
148
149 static int myriadfs_mknod( const char *sPath, mode_t uPerms, dev_t Dev )
150 {
151#ifdef TRACE
152 printf("myriadfs_mknod(\"%s\", 0%o, %x );\n", sPath, uPerms, Dev );
153#endif
154 try
155 {
156 pFs->create( sPath, uPerms, Bu::MyriadFs::sysToDev( Dev ) );
157 return 0;
158 }
159 catch(...)
160 {
161 return -EACCES;
162 }
163 }
164
165 static int myriadfs_release( const char *sPath, struct fuse_file_info *fi )
166 {
167#ifdef TRACE
168 printf("myriadfs_release(\"%s\", ... );\n", sPath );
169#endif
170 hOpenFiles.erase( fi->fh );
171// printf("File '%s' released, %d files open now.\n",
172// sPath, hOpenFiles.getSize() );
173
174 return 0;
175 }
176
177 static int myriadfs_utimens( const char *sPath,
178 const struct timespec tv[2] )
179 {
180#ifdef TRACE
181 printf("myriadfs_utimens(\"%s\", ... );\n", sPath );
182#endif
183 try
184 {
185 pFs->setTimes( sPath, tv[0].tv_sec, tv[1].tv_sec );
186 }
187 catch(...)
188 {
189 return -EACCES;
190 }
191 return 0;
192 }
193
194 static int myriadfs_unlink( const char *sPath )
195 {
196#ifdef TRACE
197 printf("myriadfs_unlink(\"%s\");\n", sPath );
198#endif
199 try
200 {
201 pFs->unlink( sPath );
202 }
203 catch( Bu::MyriadFsException &e )
204 {
205 printf("MyriadFsException: %s\n", e.what() );
206 return -EACCES;
207 }
208 return 0;
209 }
210
211 static int myriadfs_symlink( const char *sTarget, const char *sPath )
212 {
213#ifdef TRACE
214 printf("myriadfs_symlink(\"%s\", \"%s\");\n", sTarget, sPath );
215#endif
216 try
217 {
218 pFs->mkSymLink( sTarget, sPath );
219 }
220 catch( Bu::MyriadFsException &e )
221 {
222 printf("MyriadFsException: %s\n", e.what() );
223 return -EACCES;
224 }
225 return 0;
226 }
227
228 static int myriadfs_readlink( const char *sPath, char *sOut, size_t s )
229 {
230#ifdef TRACE
231 printf("myriadfs_readlink(\"%s\", ... );\n", sPath );
232#endif
233 try
234 {
235 Bu::String sTrg = pFs->readSymLink( sPath );
236 size_t iLen = (s-1>sTrg.getSize())?(sTrg.getSize()):(s-1);
237 memcpy( sOut, sTrg.getStr(), iLen );
238 sOut[iLen] = '\0';
239 }
240 catch( Bu::MyriadFsException &e )
241 {
242 printf("MyriadFsException: %s\n", e.what() );
243 return -EACCES;
244 }
245 return 0;
246 }
247
248 static int myriadfs_truncate( const char *sPath, off_t iSize )
249 {
250#ifdef TRACE
251 printf("myriadfs_truncate(\"%s\", %d );\n", sPath, iSize );
252#endif
253
254 try
255 {
256 pFs->setFileSize( sPath, iSize );
257 }
258 catch( Bu::MyriadFsException &e )
259 {
260 printf("MyriadFsException: %s\n", e.what() );
261 return -ENOENT;
262 }
263 return 0;
264 }
265
266 static int myriadfs_link( const char *sTarget, const char *sPath )
267 {
268#ifdef TRACE
269 printf("myriadfs_link(\"%s\", \"%s\");\n", sTarget, sPath );
270#endif
271
272 try
273 {
274 pFs->mkHardLink( sTarget, sPath );
275 }
276 catch( Bu::MyriadFsException &e )
277 {
278 printf("MyriadFsException: %s\n", e.what() );
279 return -EACCES;
280 }
281 return 0;
282 }
283
284 static int myriadfs_rename( const char *sFrom, const char *sTo )
285 {
286#ifdef TRACE
287 printf("myriadfs_rename(\"%s\", \"%s\");\n", sFrom, sTo );
288#endif
289
290 try
291 {
292 pFs->rename( sFrom, sTo );
293 }
294 catch( Bu::MyriadFsException &e )
295 {
296 printf("MyriadFsException: %s\n", e.what() );
297 return -EACCES;
298 }
299 return 0;
300 }
301
302 static struct fuse_operations myriadfs_oper;
303
304 int main( int argc, char *argv[] )
305 {
306 pF = new Bu::File("store.myr", Bu::File::Read|Bu::File::Write|Bu::File::Create );
307 pFs = new Bu::MyriadFs( *pF, 512 );
308 memset( &myriadfs_oper, sizeof(myriadfs_oper), 0 );
309 myriadfs_oper.getattr = myriadfs_getattr;
310 myriadfs_oper.readdir = myriadfs_readdir;
311 myriadfs_oper.mkdir = myriadfs_mkdir;
312 myriadfs_oper.open = myriadfs_open;
313 myriadfs_oper.read = myriadfs_read;
314 myriadfs_oper.write = myriadfs_write;
315 myriadfs_oper.create = myriadfs_create;
316 myriadfs_oper.mknod = myriadfs_mknod;
317 myriadfs_oper.release = myriadfs_release;
318 myriadfs_oper.utimens = myriadfs_utimens;
319 myriadfs_oper.unlink = myriadfs_unlink;
320 myriadfs_oper.rmdir = myriadfs_unlink;
321 myriadfs_oper.symlink = myriadfs_symlink;
322 myriadfs_oper.readlink = myriadfs_readlink;
323 myriadfs_oper.truncate = myriadfs_truncate;
324 myriadfs_oper.link = myriadfs_link;
325 myriadfs_oper.rename = myriadfs_rename;
326 printf("Starting fuse_main.\n");
327 int iRet = fuse_main( argc, argv, &myriadfs_oper, NULL );
328 printf("Done with fuse_main.\n");
329 delete pFs;
330 delete pF;
331 return iRet;
332 }
333}
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