diff options
Diffstat (limited to '')
| -rw-r--r-- | src/tools/myriadfs.cpp | 124 |
1 files changed, 122 insertions, 2 deletions
diff --git a/src/tools/myriadfs.cpp b/src/tools/myriadfs.cpp index 88db0c0..3956311 100644 --- a/src/tools/myriadfs.cpp +++ b/src/tools/myriadfs.cpp | |||
| @@ -10,36 +10,156 @@ | |||
| 10 | #include <fuse.h> | 10 | #include <fuse.h> |
| 11 | 11 | ||
| 12 | #include <string.h> | 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 | |||
| 20 | Bu::File *pF = NULL; | ||
| 21 | Bu::MyriadFs *pFs = NULL; | ||
| 22 | |||
| 23 | typedef Bu::Hash<int64_t, Bu::MyriadStream> FileHash; | ||
| 24 | FileHash hOpenFiles; | ||
| 25 | int64_t iNextFileId = 0; | ||
| 13 | 26 | ||
| 14 | extern "C" { | 27 | extern "C" { |
| 15 | static int myriadfs_getattr( const char *sPath, struct stat *stbuf ) | 28 | static int myriadfs_getattr( const char *sPath, struct stat *stbuf ) |
| 16 | { | 29 | { |
| 17 | 30 | try | |
| 31 | { | ||
| 32 | printf("myriadfs_getattr: Statting file: %s\n", sPath ); | ||
| 33 | Bu::MyriadFs::Stat st; | ||
| 34 | pFs->stat( sPath, st ); | ||
| 35 | stbuf->st_ino = st.iNode; | ||
| 36 | stbuf->st_mode = st.uPerms; | ||
| 37 | stbuf->st_nlink = st.iLinks; | ||
| 38 | stbuf->st_uid = st.iUser; | ||
| 39 | stbuf->st_gid = st.iGroup; | ||
| 40 | stbuf->st_rdev = Bu::MyriadFs::devToSys( st.uDev ); | ||
| 41 | stbuf->st_size = st.iSize; | ||
| 42 | stbuf->st_blocks = 8; | ||
| 43 | stbuf->st_atime = st.iATime; | ||
| 44 | stbuf->st_mtime = st.iMTime; | ||
| 45 | stbuf->st_ctime = st.iCTime; | ||
| 46 | return 0; | ||
| 47 | } | ||
| 48 | catch(...) | ||
| 49 | { | ||
| 50 | return -ENOENT; | ||
| 51 | } | ||
| 18 | } | 52 | } |
| 19 | 53 | ||
| 20 | static int myriadfs_readdir( const char *sPath, void *buf, | 54 | static int myriadfs_readdir( const char *sPath, void *buf, |
| 21 | fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi ) | 55 | fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi ) |
| 22 | { | 56 | { |
| 57 | fprintf( stderr, "Reading dir...\n"); | ||
| 58 | Bu::MyriadFs::Dir lDir = pFs->readDir( sPath ); | ||
| 59 | filler( buf, ".", NULL, 0 ); | ||
| 60 | filler( buf, "..", NULL, 0 ); | ||
| 61 | for( Bu::MyriadFs::Dir::iterator i = lDir.begin(); i; i++ ) | ||
| 62 | { | ||
| 63 | fprintf( stderr, "Adding file: '%s'\n", (*i).sName.getStr() ); | ||
| 64 | filler( buf, (*i).sName.getStr(), NULL, 0 ); | ||
| 65 | } | ||
| 66 | |||
| 67 | return 0; | ||
| 68 | } | ||
| 69 | |||
| 70 | static int myriadfs_mkdir( const char *sPath, mode_t uMode ) | ||
| 71 | { | ||
| 72 | pFs->mkDir( sPath, uMode ); | ||
| 73 | return 0; | ||
| 23 | } | 74 | } |
| 24 | 75 | ||
| 25 | static int myriadfs_open( const char *sPath, struct fuse_file_info *fi ) | 76 | static int myriadfs_open( const char *sPath, struct fuse_file_info *fi ) |
| 26 | { | 77 | { |
| 78 | try | ||
| 79 | { | ||
| 80 | Bu::MyriadStream ms = pFs->open( sPath, 0 ); | ||
| 81 | fi->fh = iNextFileId; | ||
| 82 | hOpenFiles.insert( iNextFileId++, ms ); | ||
| 83 | return 0; | ||
| 84 | } | ||
| 85 | catch(...) | ||
| 86 | { | ||
| 87 | return -EACCES; | ||
| 88 | } | ||
| 27 | } | 89 | } |
| 28 | 90 | ||
| 29 | static int myriadfs_read( const char *sPath, char *buf, size_t iSize, | 91 | static int myriadfs_read( const char *sPath, char *buf, size_t iSize, |
| 30 | off_t iOffset, struct fuse_file_info *fi ) | 92 | off_t iOffset, struct fuse_file_info *fi ) |
| 31 | { | 93 | { |
| 94 | Bu::MyriadStream &ms = hOpenFiles.get( fi->fh ); | ||
| 95 | ms.setPos( iOffset ); | ||
| 96 | return ms.read( buf, iSize ); | ||
| 97 | } | ||
| 98 | |||
| 99 | static int myriadfs_write( const char *sPath, const char *buf, size_t iSize, | ||
| 100 | off_t iOffset, struct fuse_file_info *fi ) | ||
| 101 | { | ||
| 102 | Bu::MyriadStream &ms = hOpenFiles.get( fi->fh ); | ||
| 103 | ms.setPos( iOffset ); | ||
| 104 | return ms.write( buf, iSize ); | ||
| 105 | } | ||
| 106 | |||
| 107 | static int myriadfs_create( const char *sPath, mode_t uPerms, | ||
| 108 | struct fuse_file_info *fi ) | ||
| 109 | { | ||
| 110 | try | ||
| 111 | { | ||
| 112 | Bu::MyriadStream ms = pFs->open( sPath, 0 ); | ||
| 113 | fi->fh = iNextFileId; | ||
| 114 | hOpenFiles.insert( iNextFileId++, ms ); | ||
| 115 | return 0; | ||
| 116 | } | ||
| 117 | catch(...) | ||
| 118 | { | ||
| 119 | return -EACCES; | ||
| 120 | } | ||
| 121 | } | ||
| 122 | |||
| 123 | static int myriadfs_mknod( const char *sPath, mode_t uPerms, dev_t Dev ) | ||
| 124 | { | ||
| 125 | try | ||
| 126 | { | ||
| 127 | pFs->create( sPath, uPerms, Bu::MyriadFs::sysToDev( Dev ) ); | ||
| 128 | return 0; | ||
| 129 | } | ||
| 130 | catch(...) | ||
| 131 | { | ||
| 132 | return -EACCES; | ||
| 133 | } | ||
| 134 | } | ||
| 135 | |||
| 136 | static int myriadfs_release( const char *sPath, struct fuse_file_info *fi ) | ||
| 137 | { | ||
| 138 | hOpenFiles.erase( fi->fh ); | ||
| 139 | |||
| 140 | return 0; | ||
| 32 | } | 141 | } |
| 33 | 142 | ||
| 34 | static struct fuse_operations myriadfs_oper; | 143 | static struct fuse_operations myriadfs_oper; |
| 35 | 144 | ||
| 36 | int main( int argc, char *argv[] ) | 145 | int main( int argc, char *argv[] ) |
| 37 | { | 146 | { |
| 147 | pF = new Bu::File("store.myr", Bu::File::Read|Bu::File::Write|Bu::File::Create ); | ||
| 148 | pFs = new Bu::MyriadFs( *pF, 512 ); | ||
| 38 | memset( &myriadfs_oper, sizeof(myriadfs_oper), 0 ); | 149 | memset( &myriadfs_oper, sizeof(myriadfs_oper), 0 ); |
| 39 | myriadfs_oper.getattr = myriadfs_getattr; | 150 | myriadfs_oper.getattr = myriadfs_getattr; |
| 40 | myriadfs_oper.readdir = myriadfs_readdir; | 151 | myriadfs_oper.readdir = myriadfs_readdir; |
| 152 | myriadfs_oper.mkdir = myriadfs_mkdir; | ||
| 41 | myriadfs_oper.open = myriadfs_open; | 153 | myriadfs_oper.open = myriadfs_open; |
| 42 | myriadfs_oper.read = myriadfs_read; | 154 | myriadfs_oper.read = myriadfs_read; |
| 43 | return fuse_main( argc, argv, &myriadfs_oper, NULL ); | 155 | myriadfs_oper.write = myriadfs_write; |
| 156 | myriadfs_oper.create = myriadfs_create; | ||
| 157 | myriadfs_oper.mknod = myriadfs_mknod; | ||
| 158 | printf("Starting fuse_main.\n"); | ||
| 159 | int iRet = fuse_main( argc, argv, &myriadfs_oper, NULL ); | ||
| 160 | printf("Done with fuse_main.\n"); | ||
| 161 | delete pFs; | ||
| 162 | delete pF; | ||
| 163 | return iRet; | ||
| 44 | } | 164 | } |
| 45 | } | 165 | } |
