diff options
| -rw-r--r-- | default.bld | 1 | ||||
| -rw-r--r-- | src/md5.cpp | 2 | ||||
| -rw-r--r-- | src/myriadfs.cpp | 90 | ||||
| -rw-r--r-- | src/myriadfs.h | 24 | ||||
| -rw-r--r-- | src/pearsonhash.cpp | 2 | ||||
| -rw-r--r-- | src/tools/myriadfs.cpp | 9 |
6 files changed, 84 insertions, 44 deletions
diff --git a/default.bld b/default.bld index 558b976..c5f4310 100644 --- a/default.bld +++ b/default.bld | |||
| @@ -142,7 +142,6 @@ target "libbu++-r$(svnversion "-n").tar.bz2" | |||
| 142 | { | 142 | { |
| 143 | input [ | 143 | input [ |
| 144 | "LICENSE", | 144 | "LICENSE", |
| 145 | "build.conf", | ||
| 146 | "Doxyfile", | 145 | "Doxyfile", |
| 147 | files("*.bld"), | 146 | files("*.bld"), |
| 148 | "support/vim/syntax/taf.vim", | 147 | "support/vim/syntax/taf.vim", |
diff --git a/src/md5.cpp b/src/md5.cpp index 71f17a0..15cba17 100644 --- a/src/md5.cpp +++ b/src/md5.cpp | |||
| @@ -61,7 +61,7 @@ void Bu::Md5::addData( const void *sVData, int iSize ) | |||
| 61 | unsigned char *p = (unsigned char *) inbuf + t; | 61 | unsigned char *p = (unsigned char *) inbuf + t; |
| 62 | 62 | ||
| 63 | t = 64 - t; | 63 | t = 64 - t; |
| 64 | if( iSize < t ) { | 64 | if( (uint32_t)iSize < t ) { |
| 65 | memcpy( p, sData, iSize ); | 65 | memcpy( p, sData, iSize ); |
| 66 | return; | 66 | return; |
| 67 | } | 67 | } |
diff --git a/src/myriadfs.cpp b/src/myriadfs.cpp index 8312bce..d4cf67f 100644 --- a/src/myriadfs.cpp +++ b/src/myriadfs.cpp | |||
| @@ -78,22 +78,15 @@ Bu::MyriadFs::MyriadFs( Bu::Stream &rStore, int iBlockSize ) : | |||
| 78 | { | 78 | { |
| 79 | mStore.createStream( 2 ); | 79 | mStore.createStream( 2 ); |
| 80 | Bu::MyriadStream ms = mStore.openStream( 2 ); | 80 | Bu::MyriadStream ms = mStore.openStream( 2 ); |
| 81 | int32_t iTmp32 = 0; | 81 | RawStat rs; |
| 82 | int16_t iTmp16 = 0; | 82 | rs.iNode = 0; |
| 83 | uint16_t uPerms = 775|typeDir; | 83 | rs.iUser = iUser; |
| 84 | ms.write( &iUser, 4 ); // User | 84 | rs.iGroup = iGroup; |
| 85 | ms.write( &iGroup, 4 ); // Group | 85 | rs.uPerms = 0755|typeDir; |
| 86 | ms.write( &uPerms, 2 ); // Permissions/types | 86 | rs.iLinks = 1; |
| 87 | ms.write( &iTmp16, 2 ); // Link count | 87 | rs.uStreamIndex = 3; |
| 88 | iTmp32 = 3; | 88 | rs.iCTime = rs.iMTime = rs.iATime = time(NULL); |
| 89 | ms.write( &iTmp32, 4 ); // Stream index | 89 | ms.write( &rs, sizeof(RawStat) ); |
| 90 | iTmp32 = 0; | ||
| 91 | ms.write( &iTmp32, 4 ); // Parent inode (root's it's own parent) | ||
| 92 | int64_t iTime = time(NULL); | ||
| 93 | ms.write( &iTime, 8 ); // atime | ||
| 94 | ms.write( &iTime, 8 ); // mtime | ||
| 95 | ms.write( &iTime, 8 ); // ctime | ||
| 96 | ms.write( &iTmp16, 2 ); // Name size | ||
| 97 | } | 90 | } |
| 98 | 91 | ||
| 99 | // Create inode 0's storage stream. | 92 | // Create inode 0's storage stream. |
| @@ -216,6 +209,17 @@ Bu::MyriadFs::Dir Bu::MyriadFs::readDir( const Bu::String &sPath ) | |||
| 216 | return readDir( iNode ); | 209 | return readDir( iNode ); |
| 217 | } | 210 | } |
| 218 | 211 | ||
| 212 | void Bu::MyriadFs::setTimes( const Bu::String &sPath, int64_t iATime, | ||
| 213 | int64_t iMTime ) | ||
| 214 | { | ||
| 215 | int32_t iParent = -1; | ||
| 216 | int32_t iNode; | ||
| 217 | |||
| 218 | iNode = lookupInode( sPath, iParent ); | ||
| 219 | |||
| 220 | setTimes( iNode, iATime, iMTime ); | ||
| 221 | } | ||
| 222 | |||
| 219 | dev_t Bu::MyriadFs::devToSys( uint32_t uDev ) | 223 | dev_t Bu::MyriadFs::devToSys( uint32_t uDev ) |
| 220 | { | 224 | { |
| 221 | return (((uDev&0xFFFF0000)>>8)&0xFF00) | ((uDev&0xFF)); | 225 | return (((uDev&0xFFFF0000)>>8)&0xFF00) | ((uDev&0xFF)); |
| @@ -306,6 +310,10 @@ Bu::MyriadFs::Dir Bu::MyriadFs::readDir( int32_t iNode ) | |||
| 306 | ms.read( &iChildNode, 4 ); | 310 | ms.read( &iChildNode, 4 ); |
| 307 | Stat s; | 311 | Stat s; |
| 308 | stat( iChildNode, s, is ); | 312 | stat( iChildNode, s, is ); |
| 313 | uint8_t uLen; | ||
| 314 | ms.read( &uLen, 1 ); | ||
| 315 | s.sName.setSize( uLen ); | ||
| 316 | ms.read( s.sName.getStr(), uLen ); | ||
| 309 | lDir.append( s ); | 317 | lDir.append( s ); |
| 310 | 318 | ||
| 311 | sio << " " << s.sName << sio.nl; | 319 | sio << " " << s.sName << sio.nl; |
| @@ -318,7 +326,7 @@ Bu::MyriadStream Bu::MyriadFs::openByInode( int32_t iNode ) | |||
| 318 | { | 326 | { |
| 319 | int32_t iIndex = hNodeIndex.get( iNode ); | 327 | int32_t iIndex = hNodeIndex.get( iNode ); |
| 320 | Bu::MyriadStream ms = mStore.openStream( 2 ); | 328 | Bu::MyriadStream ms = mStore.openStream( 2 ); |
| 321 | ms.setPos( mStore.getBlockSize()*iIndex ); | 329 | ms.setPos( iIndex*sizeof(RawStat) ); |
| 322 | RawStat rs; | 330 | RawStat rs; |
| 323 | ms.read( &rs, sizeof(RawStat) ); | 331 | ms.read( &rs, sizeof(RawStat) ); |
| 324 | switch( (rs.uPerms&typeMask) ) | 332 | switch( (rs.uPerms&typeMask) ) |
| @@ -337,20 +345,26 @@ Bu::MyriadStream Bu::MyriadFs::openByInode( int32_t iNode ) | |||
| 337 | int32_t Bu::MyriadFs::create( int32_t iParent, const Bu::String &sName, | 345 | int32_t Bu::MyriadFs::create( int32_t iParent, const Bu::String &sName, |
| 338 | uint16_t uPerms, uint32_t uSpecial ) | 346 | uint16_t uPerms, uint32_t uSpecial ) |
| 339 | { | 347 | { |
| 348 | if( sName.getSize() > 255 ) | ||
| 349 | { | ||
| 350 | throw Bu::MyriadFsException("Filename too long, max is 255 bytes."); | ||
| 351 | } | ||
| 340 | Bu::MyriadStream ms = openByInode( iParent ); | 352 | Bu::MyriadStream ms = openByInode( iParent ); |
| 341 | int32_t iNumChildren = 0; | 353 | int32_t iNumChildren = 0; |
| 342 | ms.read( &iNumChildren, 4 ); | 354 | ms.read( &iNumChildren, 4 ); |
| 343 | iNumChildren++; | 355 | iNumChildren++; |
| 344 | ms.setPos( 0 ); | 356 | ms.setPos( 0 ); |
| 345 | ms.write( &iNumChildren, 4 ); | 357 | ms.write( &iNumChildren, 4 ); |
| 346 | ms.setPos( iNumChildren*4 ); // Actually 4+(iNumChildren-1)*4 :-P | 358 | ms.setPosEnd( 0 ); |
| 347 | int32_t iNode = allocInode( sName, iParent, uPerms, uSpecial ); | 359 | int32_t iNode = allocInode( uPerms, uSpecial ); |
| 348 | ms.write( &iNode, 4 ); | 360 | ms.write( &iNode, 4 ); |
| 361 | uint8_t uLen = sName.getSize(); | ||
| 362 | ms.write( &uLen, 1 ); | ||
| 363 | ms.write( sName.getStr(), uLen ); | ||
| 349 | return iNode; | 364 | return iNode; |
| 350 | } | 365 | } |
| 351 | 366 | ||
| 352 | int32_t Bu::MyriadFs::allocInode( const Bu::String &sName, int32_t iParent, | 367 | int32_t Bu::MyriadFs::allocInode( uint16_t uPerms, uint32_t uSpecial ) |
| 353 | uint16_t uPerms, uint32_t uSpecial ) | ||
| 354 | { | 368 | { |
| 355 | int32_t iNode = 0; | 369 | int32_t iNode = 0; |
| 356 | for(; iNode < 0xfffffff; iNode++ ) | 370 | for(; iNode < 0xfffffff; iNode++ ) |
| @@ -358,11 +372,12 @@ int32_t Bu::MyriadFs::allocInode( const Bu::String &sName, int32_t iParent, | |||
| 358 | if( !hNodeIndex.has( iNode ) ) | 372 | if( !hNodeIndex.has( iNode ) ) |
| 359 | { | 373 | { |
| 360 | Bu::MyriadStream is = mStore.openStream( 2 ); | 374 | Bu::MyriadStream is = mStore.openStream( 2 ); |
| 361 | is.setSize( (hNodeIndex.getSize()+1)*mStore.getBlockSize() ); | 375 | is.setSize( (hNodeIndex.getSize()+1)*sizeof(RawStat) ); |
| 362 | is.setPos( hNodeIndex.getSize()*mStore.getBlockSize() ); | 376 | is.setPos( hNodeIndex.getSize()*sizeof(RawStat) ); |
| 363 | 377 | ||
| 364 | hNodeIndex.insert( iNode, hNodeIndex.getSize() ); | 378 | hNodeIndex.insert( iNode, hNodeIndex.getSize() ); |
| 365 | RawStat rs; | 379 | RawStat rs; |
| 380 | rs.iNode = iNode; | ||
| 366 | rs.iUser = iUser; | 381 | rs.iUser = iUser; |
| 367 | rs.iGroup = iGroup; | 382 | rs.iGroup = iGroup; |
| 368 | rs.uPerms = uPerms; | 383 | rs.uPerms = uPerms; |
| @@ -376,6 +391,8 @@ int32_t Bu::MyriadFs::allocInode( const Bu::String &sName, int32_t iParent, | |||
| 376 | 391 | ||
| 377 | case typeDir: | 392 | case typeDir: |
| 378 | rs.uStreamIndex = mStore.createStream(); | 393 | rs.uStreamIndex = mStore.createStream(); |
| 394 | sio << "Creating directory node, storage: " | ||
| 395 | << rs.uStreamIndex << sio.nl; | ||
| 379 | { | 396 | { |
| 380 | Bu::MyriadStream msDir = mStore.openStream( | 397 | Bu::MyriadStream msDir = mStore.openStream( |
| 381 | rs.uStreamIndex | 398 | rs.uStreamIndex |
| @@ -394,13 +411,10 @@ int32_t Bu::MyriadFs::allocInode( const Bu::String &sName, int32_t iParent, | |||
| 394 | rs.uStreamIndex = 0; | 411 | rs.uStreamIndex = 0; |
| 395 | break; | 412 | break; |
| 396 | } | 413 | } |
| 397 | rs.iParentNode = iParent; | ||
| 398 | rs.iATime = time(NULL); | 414 | rs.iATime = time(NULL); |
| 399 | rs.iMTime = time(NULL); | 415 | rs.iMTime = time(NULL); |
| 400 | rs.iCTime = time(NULL); | 416 | rs.iCTime = time(NULL); |
| 401 | rs.iNameSize = sName.getSize(); | ||
| 402 | is.write( &rs, sizeof(RawStat) ); | 417 | is.write( &rs, sizeof(RawStat) ); |
| 403 | is.write( sName.getStr(), sName.getSize() ); | ||
| 404 | 418 | ||
| 405 | return iNode; | 419 | return iNode; |
| 406 | } | 420 | } |
| @@ -412,11 +426,11 @@ int32_t Bu::MyriadFs::allocInode( const Bu::String &sName, int32_t iParent, | |||
| 412 | 426 | ||
| 413 | void Bu::MyriadFs::stat( int32_t iNode, Stat &rBuf, MyriadStream &rIs ) | 427 | void Bu::MyriadFs::stat( int32_t iNode, Stat &rBuf, MyriadStream &rIs ) |
| 414 | { | 428 | { |
| 415 | rIs.setPos( hNodeIndex.get( iNode )*mStore.getBlockSize() ); | 429 | rIs.setPos( hNodeIndex.get( iNode )*sizeof(RawStat) ); |
| 416 | RawStat rs; | 430 | RawStat rs; |
| 417 | rIs.read( &rs, sizeof(RawStat) ); | 431 | rIs.read( &rs, sizeof(RawStat) ); |
| 418 | rBuf.sName.setSize( rs.iNameSize ); | 432 | if( rs.iNode != iNode ) |
| 419 | rIs.read( rBuf.sName.getStr(), rs.iNameSize ); | 433 | throw Bu::MyriadFsException("Filesystem corruption detected."); |
| 420 | rBuf.iNode = iNode; | 434 | rBuf.iNode = iNode; |
| 421 | rBuf.iUser = rs.iUser; | 435 | rBuf.iUser = rs.iUser; |
| 422 | rBuf.iGroup = rs.iGroup; | 436 | rBuf.iGroup = rs.iGroup; |
| @@ -445,6 +459,11 @@ void Bu::MyriadFs::stat( int32_t iNode, Stat &rBuf, MyriadStream &rIs ) | |||
| 445 | } | 459 | } |
| 446 | } | 460 | } |
| 447 | 461 | ||
| 462 | void Bu::MyriadFs::unlink( int32_t iNode ) | ||
| 463 | { | ||
| 464 | |||
| 465 | } | ||
| 466 | |||
| 448 | void Bu::MyriadFs::writeHeader() | 467 | void Bu::MyriadFs::writeHeader() |
| 449 | { | 468 | { |
| 450 | Bu::MyriadStream ms = mStore.openStream( 1 ); | 469 | Bu::MyriadStream ms = mStore.openStream( 1 ); |
| @@ -465,3 +484,16 @@ void Bu::MyriadFs::writeHeader() | |||
| 465 | ms.setSize( ms.tell() ); | 484 | ms.setSize( ms.tell() ); |
| 466 | } | 485 | } |
| 467 | 486 | ||
| 487 | void Bu::MyriadFs::setTimes( int32_t iNode, int64_t iATime, int64_t iMTime ) | ||
| 488 | { | ||
| 489 | RawStat rs; | ||
| 490 | Bu::MyriadStream is = mStore.openStream( 2 ); | ||
| 491 | |||
| 492 | is.setPos( hNodeIndex.get(iNode)*sizeof(RawStat) ); | ||
| 493 | is.read( &rs, sizeof(RawStat) ); | ||
| 494 | rs.iATime = iATime; | ||
| 495 | rs.iMTime = iMTime; | ||
| 496 | is.setPos( hNodeIndex.get(iNode)*sizeof(RawStat) ); | ||
| 497 | is.write( &rs, sizeof(RawStat) ); | ||
| 498 | } | ||
| 499 | |||
diff --git a/src/myriadfs.h b/src/myriadfs.h index 3eecca5..0b9c97f 100644 --- a/src/myriadfs.h +++ b/src/myriadfs.h | |||
| @@ -32,23 +32,18 @@ namespace Bu | |||
| 32 | * int32_t iInode | 32 | * int32_t iInode |
| 33 | * int32_t iPosition | 33 | * int32_t iPosition |
| 34 | * | 34 | * |
| 35 | * The node headers or inode structures have a base size of 46 bytes. | 35 | * The node headers or inode structures have a base size of 44 bytes. |
| 36 | * Everything else in the block is used for the name. I.e. if you have | 36 | * The name is stored in the directory format. |
| 37 | * a blocksize of 512 bytes then you wind up with a max name size of | ||
| 38 | * 512-46=466 characters, or a blocksize of 256 gives you 210 chraacters | ||
| 39 | * as a max. The node headers are all stored in stream 2. | ||
| 40 | * Basic node header format: | 37 | * Basic node header format: |
| 38 | * int32_t iNode | ||
| 41 | * int32_t iUser | 39 | * int32_t iUser |
| 42 | * int32_t iGroup | 40 | * int32_t iGroup |
| 43 | * uint16_t uPerms | 41 | * uint16_t uPerms |
| 44 | * int16_t iLinks | 42 | * int16_t iLinks |
| 45 | * uint32_t uStreamIndex | 43 | * uint32_t uStreamIndex |
| 46 | * int32_t iParentNode | ||
| 47 | * int64_t iATime | 44 | * int64_t iATime |
| 48 | * int64_t iMTime | 45 | * int64_t iMTime |
| 49 | * int64_t iCTime | 46 | * int64_t iCTime |
| 50 | * int16_t iNameSize | ||
| 51 | * char[iNameSize] sName | ||
| 52 | * | 47 | * |
| 53 | * Some types get special formats for their assosiated data stream, or | 48 | * Some types get special formats for their assosiated data stream, or |
| 54 | * other special considerations, here's a list: | 49 | * other special considerations, here's a list: |
| @@ -70,6 +65,8 @@ namespace Bu | |||
| 70 | * | 65 | * |
| 71 | * NodeTable: | 66 | * NodeTable: |
| 72 | * int32_t iInode | 67 | * int32_t iInode |
| 68 | * uint8_t uNameSize | ||
| 69 | * char[uNameSize] sName | ||
| 73 | */ | 70 | */ |
| 74 | class MyriadFs | 71 | class MyriadFs |
| 75 | { | 72 | { |
| @@ -144,6 +141,9 @@ namespace Bu | |||
| 144 | uint32_t uSpecial ); | 141 | uint32_t uSpecial ); |
| 145 | void mkDir( const Bu::String &sPath, uint16_t iPerms ); | 142 | void mkDir( const Bu::String &sPath, uint16_t iPerms ); |
| 146 | Dir readDir( const Bu::String &sPath ); | 143 | Dir readDir( const Bu::String &sPath ); |
| 144 | void setTimes( const Bu::String &sPath, int64_t iATime, | ||
| 145 | int64_t iMTime ); | ||
| 146 | void unlink( const Bu::String &sPath ); | ||
| 147 | 147 | ||
| 148 | static dev_t devToSys( uint32_t uDev ); | 148 | static dev_t devToSys( uint32_t uDev ); |
| 149 | static uint32_t sysToDev( dev_t uDev ); | 149 | static uint32_t sysToDev( dev_t uDev ); |
| @@ -152,16 +152,15 @@ namespace Bu | |||
| 152 | class RawStat | 152 | class RawStat |
| 153 | { | 153 | { |
| 154 | public: | 154 | public: |
| 155 | int32_t iNode; | ||
| 155 | int32_t iUser; | 156 | int32_t iUser; |
| 156 | int32_t iGroup; | 157 | int32_t iGroup; |
| 157 | uint16_t uPerms; | 158 | uint16_t uPerms; |
| 158 | int16_t iLinks; | 159 | int16_t iLinks; |
| 159 | uint32_t uStreamIndex; | 160 | uint32_t uStreamIndex; |
| 160 | int32_t iParentNode; | ||
| 161 | int64_t iATime; | 161 | int64_t iATime; |
| 162 | int64_t iMTime; | 162 | int64_t iMTime; |
| 163 | int64_t iCTime; | 163 | int64_t iCTime; |
| 164 | int16_t iNameSize; | ||
| 165 | }; | 164 | }; |
| 166 | typedef Bu::Hash<int32_t, int32_t> NodeIndex; | 165 | typedef Bu::Hash<int32_t, int32_t> NodeIndex; |
| 167 | 166 | ||
| @@ -173,10 +172,11 @@ namespace Bu | |||
| 173 | MyriadStream openByInode( int32_t iNode ); | 172 | MyriadStream openByInode( int32_t iNode ); |
| 174 | int32_t create( int32_t iParent, const Bu::String &sName, | 173 | int32_t create( int32_t iParent, const Bu::String &sName, |
| 175 | uint16_t uPerms, uint32_t uSpecial ); | 174 | uint16_t uPerms, uint32_t uSpecial ); |
| 176 | int32_t allocInode( const Bu::String &sName, int32_t iParent, | 175 | int32_t allocInode( uint16_t uPerms, uint32_t uSpecial ); |
| 177 | uint16_t uPerms, uint32_t uSpecial ); | ||
| 178 | void stat( int32_t iNode, Stat &rBuf, MyriadStream &rIs ); | 176 | void stat( int32_t iNode, Stat &rBuf, MyriadStream &rIs ); |
| 177 | void unlink( int32_t iNode ); | ||
| 179 | void writeHeader(); | 178 | void writeHeader(); |
| 179 | void setTimes( int32_t iNode, int64_t iATime, int64_t iMTime ); | ||
| 180 | 180 | ||
| 181 | private: | 181 | private: |
| 182 | Bu::Stream &rStore; | 182 | Bu::Stream &rStore; |
diff --git a/src/pearsonhash.cpp b/src/pearsonhash.cpp index d068687..d753d20 100644 --- a/src/pearsonhash.cpp +++ b/src/pearsonhash.cpp | |||
| @@ -42,7 +42,7 @@ void Bu::PearsonHash::reset() | |||
| 42 | iValue = 0; | 42 | iValue = 0; |
| 43 | } | 43 | } |
| 44 | 44 | ||
| 45 | void Bu::PearsonHash::setSalt( const Bu::String &sSalt ) | 45 | void Bu::PearsonHash::setSalt( const Bu::String & /*sSalt*/ ) |
| 46 | { | 46 | { |
| 47 | } | 47 | } |
| 48 | 48 | ||
diff --git a/src/tools/myriadfs.cpp b/src/tools/myriadfs.cpp index 3956311..b54390d 100644 --- a/src/tools/myriadfs.cpp +++ b/src/tools/myriadfs.cpp | |||
| @@ -140,6 +140,13 @@ extern "C" { | |||
| 140 | return 0; | 140 | return 0; |
| 141 | } | 141 | } |
| 142 | 142 | ||
| 143 | static int myriadfs_utimens( const char *sPath, | ||
| 144 | const struct timespec tv[2] ) | ||
| 145 | { | ||
| 146 | pFs->setTimes( sPath, tv[0].tv_sec, tv[1].tv_sec ); | ||
| 147 | return 0; | ||
| 148 | } | ||
| 149 | |||
| 143 | static struct fuse_operations myriadfs_oper; | 150 | static struct fuse_operations myriadfs_oper; |
| 144 | 151 | ||
| 145 | int main( int argc, char *argv[] ) | 152 | int main( int argc, char *argv[] ) |
| @@ -155,6 +162,8 @@ extern "C" { | |||
| 155 | myriadfs_oper.write = myriadfs_write; | 162 | myriadfs_oper.write = myriadfs_write; |
| 156 | myriadfs_oper.create = myriadfs_create; | 163 | myriadfs_oper.create = myriadfs_create; |
| 157 | myriadfs_oper.mknod = myriadfs_mknod; | 164 | myriadfs_oper.mknod = myriadfs_mknod; |
| 165 | myriadfs_oper.release = myriadfs_release; | ||
| 166 | myriadfs_oper.utimens = myriadfs_utimens; | ||
| 158 | printf("Starting fuse_main.\n"); | 167 | printf("Starting fuse_main.\n"); |
| 159 | int iRet = fuse_main( argc, argv, &myriadfs_oper, NULL ); | 168 | int iRet = fuse_main( argc, argv, &myriadfs_oper, NULL ); |
| 160 | printf("Done with fuse_main.\n"); | 169 | printf("Done with fuse_main.\n"); |
