diff options
Diffstat (limited to 'src/tools/myriadfs.cpp')
-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 | } |