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Use symlinks instead of I/O pass-hrough

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Les De Ridder 2016-11-08 02:26:39 +01:00
parent a9268426e6
commit 5d2b6e6e2d
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GPG Key ID: 5EC132DFA85DB372
1 changed files with 17 additions and 28 deletions
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45
source/filesystem.d
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@ -23,7 +23,6 @@ class FileSystem : Operations
private stat_t _sourceStat; private stat_t _sourceStat;
private string[][string] _tagCache; private string[][string] _tagCache;
private stat_t[string] _statCache;
private string[][string] _dirCache; private string[][string] _dirCache;
private string[] _tagList; private string[] _tagList;
@ -73,16 +72,8 @@ class FileSystem : Operations
} }
else if(isFile(path.baseName)) else if(isFile(path.baseName))
{ {
if(path.baseName in _statCache) stat.st_mode = S_IFLNK | octal!777;
{ stat.st_nlink = 1;
stat = _statCache[path.baseName];
}
else
{
auto file = findFile(path.baseName);
lstat(toStringz(file), &stat);
_statCache[path.baseName] = stat;
}
} }
else else
{ {
@ -149,6 +140,20 @@ class FileSystem : Operations
} }
} }
override ulong readlink(const(char)[] path, ubyte[] buf)
{
auto realPath = findFile(path.baseName);
if(realPath is null)
{
std.stdio.writeln("not found");
throw new FuseException(errno.ENOENT);
}
core.stdc.string.strncpy(cast(char*)buf, cast(char*)realPath.toStringz, realPath.length);
return (cast(ubyte[])realPath).length;
}
override string[] readdir(const(char)[] path) override string[] readdir(const(char)[] path)
{ {
if(path in _dirCache) if(path in _dirCache)
@ -156,7 +161,7 @@ class FileSystem : Operations
return _dirCache[path]; return _dirCache[path];
} }
//TODO: Don't return tags if only one file (or files with exactly the same set of tags) files? //TODO: Don't return tags if only one file (or files with exactly the same set of tags)?
if (path == "/") if (path == "/")
{ {
return _dirCache[path] = getTags(path) ~ getFiles(path); return _dirCache[path] = getTags(path) ~ getFiles(path);
@ -166,20 +171,4 @@ class FileSystem : Operations
return _dirCache[path] = getTags(path) ~ getFiles(path) ~ [".", ".."]; return _dirCache[path] = getTags(path) ~ getFiles(path) ~ [".", ".."];
} }
} }
override ulong read(const(char)[] path, ubyte[] buf, ulong offset)
{
auto realPath = findFile(path.baseName);
if(realPath is null)
{
throw new FuseException(errno.ENOENT);
}
auto file = File(realPath, "r");
file.seek(offset);
auto bytesRead = file.rawRead(buf).length;
file.close();
return bytesRead;
}
} }