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added utimens + release

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This commit is contained in:
Andrew Osheroff 2019-07-30 18:58:39 +02:00
parent b65343696e
commit 2e5dd4298d
2 changed files with 477 additions and 151 deletions
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498
fuse-native.c
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@ -13,6 +13,7 @@
#include <fuse_opt.h>
#include <fuse_lowlevel.h>
#include <unistd.h>
#include <sys/wait.h>
#include <pthread.h>
@ -28,6 +29,15 @@
blk \
napi_close_handle_scope(env, scope);
#define FUSE_NATIVE_HANDLER(blk) \
struct fuse_context *ctx = fuse_get_context(); \
fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data; \
fuse_thread_locals_t *l = get_thread_locals(); \
blk \
uv_async_send(&(l->async)); \
fuse_native_semaphore_wait(&(l->sem)); \
return l->res;
static const uint32_t op_init = 0;
static const uint32_t op_error = 1;
static const uint32_t op_access = 2;
@ -74,6 +84,7 @@ typedef struct {
napi_ref on_path_op;
napi_ref on_stat_op;
napi_ref on_buffer_op;
napi_ref on_xattr_op;
napi_ref on_statfs;
napi_ref on_readdir;
napi_ref on_symlink;
@ -88,8 +99,22 @@ typedef struct {
// Payloads
const char *path;
struct fuse_file_info *info;
void *buf;
off_t offset;
size_t len;
mode_t mode;
int32_t res;
uint32_t atim[2];
uint32_t mtim[2];
// Extended attributes
const char *name;
const char *value;
char *list;
size_t size;
uint32_t position;
int flags;
// Stat + Statfs
struct stat *stat;
@ -97,8 +122,6 @@ typedef struct {
// Readdir
fuse_fill_dir_t readdir_filler;
off_t readdir_offset;
struct fuse_file_info *readdir_info;
// Internal bookkeeping
fuse_thread_t *fuse;
@ -109,33 +132,110 @@ typedef struct {
static pthread_key_t thread_locals_key;
// Helpers
// TODO: Extract into a separate file.
static void fin (napi_env env, void *fin_data, void* fin_hint) {
printf("finaliser is run\n");
// exit(0);
}
static void to_timespec (struct timespec* ts, uint32_t* int_ptr) {
long unsigned int ms = *int_ptr + (*(int_ptr + 1) * 4294967296);
ts->tv_sec = ms / 1000;
ts->tv_nsec = (ms % 1000) * 1000000;
}
static void from_timespec(const struct timespec* ts, uint32_t* int_ptr) {
long unsigned int ms = (ts->tv_sec * 1000) + (ts->tv_nsec / 1000000);
*int_ptr = ms % 4294967296;
*(int_ptr + 1) = (ms - *int_ptr) / 4294967296;
}
static void populate_stat (uint32_t *ints, struct stat* stat) {
stat->st_mode = *ints++;
stat->st_uid = *ints++;
stat->st_gid = *ints++;
stat->st_size = *ints++;
stat->st_dev = *ints++;
stat->st_nlink = *ints++;
stat->st_ino = *ints++;
stat->st_rdev = *ints++;
stat->st_blksize = *ints++;
stat->st_blocks = *ints++;
to_timespec(&stat->st_atim, ints);
to_timespec(&stat->st_mtim, ints + 2);
to_timespec(&stat->st_ctim, ints + 4);
}
static void populate_statvfs (uint32_t *ints, struct statvfs* statvfs) {
statvfs->f_bsize = *ints++;
statvfs->f_frsize = *ints++;
statvfs->f_blocks = *ints++;
statvfs->f_bfree = *ints++;
statvfs->f_bavail = *ints++;
statvfs->f_files = *ints++;
statvfs->f_ffree = *ints++;
statvfs->f_favail = *ints++;
statvfs->f_fsid = *ints++;
statvfs->f_flag = *ints++;
statvfs->f_namemax = *ints++;
}
// Dispatchers
static void fuse_native_dispatch_statfs(uv_async_t* handle, int status, fuse_thread_locals_t* l, fuse_thread_t* ft) {
FUSE_NATIVE_CALLBACK(ft->on_statfs, {
napi_value argv[2];
napi_create_external_buffer(env, sizeof(fuse_thread_locals_t), l, &fin, NULL, &(argv[0]));
napi_create_uint32(env, l->op, &(argv[1]));
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 2, argv, NULL)
})
}
static void fuse_native_dispatch_stat(uv_async_t* handle, int status, fuse_thread_locals_t* l, fuse_thread_t* ft) {
FUSE_NATIVE_CALLBACK(ft->on_stat_op, {
napi_value argv[3];
napi_value argv[4];
napi_create_external_buffer(env, sizeof(fuse_thread_locals_t), l, &fin, NULL, &(argv[0]));
napi_create_uint32(env, l->op, &(argv[1]));
napi_create_string_utf8(env, l->path, NAPI_AUTO_LENGTH, &(argv[2]));
if (l->info != NULL) {
napi_create_uint32(env, l->info->fh, &(argv[3]));
} else {
napi_create_uint32(env, 0, &(argv[3]));
}
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 3, argv, NULL)
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 4, argv, NULL)
})
}
static void fuse_native_dispatch_path(uv_async_t* handle, int status, fuse_thread_locals_t* l, fuse_thread_t* ft) {
FUSE_NATIVE_CALLBACK(ft->on_path_op, {
napi_value argv[3];
napi_value argv[7];
napi_create_external_buffer(env, sizeof(fuse_thread_locals_t), l, &fin, NULL, &(argv[0]));
napi_create_uint32(env, l->op, &(argv[1]));
napi_create_string_utf8(env, l->path, NAPI_AUTO_LENGTH, &(argv[2]));
napi_create_uint32(env, l->mode, &(argv[3]));
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 3, argv, NULL)
if (l->info != NULL) {
napi_create_uint32(env, l->info->fh, &(argv[4]));
} else {
napi_create_uint32(env, 0, &(argv[4]));
}
if (l->atim != NULL) {
napi_create_external_arraybuffer(env, l->atim, 2 * sizeof(uint32_t), &fin, NULL, &argv[5]);
napi_create_external_arraybuffer(env, l->mtim, 2 * sizeof(uint32_t), &fin, NULL, &argv[6]);
} else {
napi_create_external_arraybuffer(env, NULL, 0, &fin, NULL, &argv[5]);
napi_create_external_arraybuffer(env, NULL, 0, &fin, NULL, &argv[6]);
}
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 7, argv, NULL)
})
}
@ -153,25 +253,65 @@ static void fuse_native_dispatch_readdir(uv_async_t* handle, int status, fuse_th
static void fuse_native_dispatch_buffer(uv_async_t* handle, int status, fuse_thread_locals_t* l, fuse_thread_t* ft) {
FUSE_NATIVE_CALLBACK(ft->on_buffer_op, {
napi_value argv[3];
napi_value argv[7];
napi_create_external_buffer(env, sizeof(fuse_thread_locals_t), l, &fin, NULL, &(argv[0]));
napi_create_uint32(env, l->op, &(argv[1]));
napi_create_string_utf8(env, l->path, NAPI_AUTO_LENGTH, &(argv[2]));
napi_create_uint32(env, l->info->fh, &(argv[3]));
napi_create_external_buffer(env, l->len, l->buf, &fin, NULL, &(argv[4]));
napi_create_uint32(env, l->len, &(argv[5]));
napi_create_uint32(env, l->offset, &(argv[6]));
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 3, argv, NULL)
})
}
static void fuse_native_dispatch_xattr(uv_async_t* handle, int status, fuse_thread_locals_t* l, fuse_thread_t* ft) {
FUSE_NATIVE_CALLBACK(ft->on_xattr_op, {
napi_value argv[9];
napi_create_external_buffer(env, sizeof(fuse_thread_locals_t), l, &fin, NULL, &(argv[0]));
napi_create_uint32(env, l->op, &(argv[1]));
napi_create_string_utf8(env, l->path, NAPI_AUTO_LENGTH, &(argv[2]));
napi_create_string_utf8(env, l->name, NAPI_AUTO_LENGTH, &(argv[3]));
napi_create_string_utf8(env, l->value, NAPI_AUTO_LENGTH, &(argv[4]));
napi_create_external_buffer(env, l->size, l->list, &fin, NULL, &(argv[5]));
napi_create_uint32(env, l->size, &(argv[6]));
napi_create_uint32(env, l->flags, &(argv[7]));
napi_create_uint32(env, l->position, &(argv[8]));
NAPI_MAKE_CALLBACK(env, NULL, ctx, callback, 9, argv, NULL)
})
}
static void fuse_native_dispatch (uv_async_t* handle, int status) {
fuse_thread_locals_t *l = (fuse_thread_locals_t *) handle->data;
fuse_thread_t *ft = l->fuse;
switch (l->op) {
case (op_statfs):
return fuse_native_dispatch_statfs(handle, status, l, ft);
case (op_fgetattr):
case (op_getattr):
return fuse_native_dispatch_stat(handle, status, l, ft);
case (op_readdir):
return fuse_native_dispatch_readdir(handle, status, l, ft);
case (op_open):
case (op_create):
case (op_access):
case (op_utimens):
return fuse_native_dispatch_path(handle, status, l, ft);
case (op_release):
case (op_releasedir):
case (op_read):
case (op_write):
return fuse_native_dispatch_buffer(handle, status, l, ft);
case (op_getxattr):
case (op_setxattr):
case (op_listxattr):
case (op_removexattr):
return fuse_native_dispatch_xattr(handle, status, l, ft);
}
}
@ -212,108 +352,206 @@ static void* start_fuse_thread (void *data) {
return NULL;
}
static int fuse_native_getattr (const char *path, struct stat *stat) {
struct fuse_context *ctx = fuse_get_context();
fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data;
// Handlers
fuse_thread_locals_t *l = get_thread_locals();
static int fuse_native_create (const char *path, mode_t mode, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->mode = mode;
l->info = info;
l->op = op_create;
})
}
l->fuse = ft;
l->stat = stat;
l->op = op_getattr;
l->path = path;
static int fuse_native_access(const char *path, int mode) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->mode = mode;
l->op = op_access;
})
}
uv_async_send(&(l->async));
fuse_native_semaphore_wait(&(l->sem));
static int fuse_native_open(const char *path, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->info = info;
l->op = op_open;
})
}
return l->res;
static int fuse_native_release (const char *path, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->info = info;
l->op = op_release;
})
}
static int fuse_native_releasedir (const char *path, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->info = info;
l->op = op_releasedir;
})
}
static int fuse_native_write (const char *path, const char *buf, size_t len, off_t offset, struct fuse_file_info * info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->buf = buf;
l->len = len;
l->offset = offset;
l->info = info;
l->op = op_write;
})
}
static int fuse_native_read (const char *path, char *buf, size_t len, off_t offset, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->buf = buf;
l->len = len;
l->offset = offset;
l->info = info;
l->op = op_read;
})
}
static int fuse_native_fgetattr (const char *path, struct stat *stat, struct fuse_file_info *info) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->stat = stat;
l->info = info;
l->op = op_getattr;
})
}
static int fuse_native_statfs (struct statvfs *statvfs) {
struct fuse_context *ctx = fuse_get_context();
fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data;
fuse_thread_locals_t *l = get_thread_locals();
l->fuse = ft;
l->statvfs = statvfs;
l->op = op_statfs;
uv_async_send(&(l->async));
fuse_native_semaphore_wait(&(l->sem));
return l->res;
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->statvfs = statvfs;
l->op = op_statfs;
})
}
static int fuse_native_readdir (const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *info) {
struct fuse_context *ctx = fuse_get_context();
fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data;
fuse_thread_locals_t *l = get_thread_locals();
l->fuse = ft;
l->buf = buf;
l->path = path;
l->readdir_filler = filler;
l->readdir_offset = offset;
l->readdir_info = info;
l->op = op_readdir;
uv_async_send(&(l->async));
printf("before semaphore wait\n");
fuse_native_semaphore_wait(&(l->sem));
printf("after semaphore wait\n");
return l->res;
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->buf = buf;
l->path = path;
l->offset = offset;
l->info = info;
l->readdir_filler = filler;
l->op = op_readdir;
})
}
#ifdef __APPLE__
static int fuse_native_setxattr (const char *path, const char *name, const char *value, size_t size, int flags, uint32_t position) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->name = name;
l->value = value;
l->size = size;
l->flags = flags;
l->position = position;
l->op = op_setxattr;
})
}
static int fuse_native_getxattr (const char *path, const char *name, const char *value, size_t size, uint32_t position) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->name = name;
l->value = value;
l->size = size;
l->position = position;
l->op = op_getxattr;
})
}
#else
static int fuse_native_setxattr (const char *path, const char *name, const char *value, size_t size, int flags, uint32_t position) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->name = name;
l->value = value;
l->size = size;
l->flags = flags;
l->position = position;
l->op = op_setxattr;
})
}
static int fuse_native_getxattr (const char *path, const char *name, const char *value, size_t size, uint32_t position) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->name = name;
l->value = value;
l->size = size;
l->position = position;
l->op = op_getxattr;
})
}
#endif
static int fuse_native_listxattr (const char *path, char *list, size_t size) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->list = list;
l->size = size;
l->op = op_listxattr;
})
}
static int fuse_native_removexattr (const char *path, const char *name) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
l->name = name;
l->op = op_removexattr;
})
}
static int fuse_native_utimens (const char *path, const struct timespec tv[2]) {
FUSE_NATIVE_HANDLER({
l->fuse = ft;
l->path = path;
from_timespec(&tv[0], l->atim);
from_timespec(&tv[1], l->mtim);
l->op = op_utimens;
})
}
// Signallers
NAPI_METHOD(fuse_native_signal_path) {
NAPI_ARGV(3)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
NAPI_ARGV_INT32(res, 1)
NAPI_ARGV_INT32(fd, 2)
l->res = res;
if (fd != 0) {
l->info->fh = fd;
}
fuse_native_semaphore_signal(&(l->sem));
return NULL;
}
static void to_timespec (struct timespec* ts, uint32_t* int_ptr) {
long unsigned int ms = *int_ptr + (*(int_ptr + 1) * 4294967296);
ts->tv_sec = ms / 1000;
ts->tv_nsec = (ms % 1000) * 1000000;
}
static void populate_stat (uint32_t *ints, struct stat* stat) {
stat->st_mode = *ints++;
stat->st_uid = *ints++;
stat->st_gid = *ints++;
stat->st_size = *ints++;
stat->st_dev = *ints++;
stat->st_nlink = *ints++;
stat->st_ino = *ints++;
stat->st_rdev = *ints++;
stat->st_blksize = *ints++;
stat->st_blocks = *ints++;
to_timespec(&stat->st_atim, ints);
to_timespec(&stat->st_mtim, ints + 2);
to_timespec(&stat->st_ctim, ints + 4);
}
static void populate_statvfs (uint32_t *ints, struct statvfs* statvfs) {
statvfs->f_bsize = *ints++;
statvfs->f_frsize = *ints++;
statvfs->f_blocks = *ints++;
statvfs->f_bfree = *ints++;
statvfs->f_bavail = *ints++;
statvfs->f_files = *ints++;
statvfs->f_ffree = *ints++;
statvfs->f_favail = *ints++;
statvfs->f_fsid = *ints++;
statvfs->f_flag = *ints++;
statvfs->f_namemax = *ints++;
}
NAPI_METHOD(fuse_native_signal_stat) {
NAPI_ARGV(4)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
@ -327,19 +565,6 @@ NAPI_METHOD(fuse_native_signal_stat) {
return NULL;
}
NAPI_METHOD(fuse_native_signal_statfs) {
NAPI_ARGV(3)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
NAPI_ARGV_INT32(res, 1)
NAPI_ARGV_BUFFER_CAST(uint32_t*, ints, 2)
populate_statvfs(ints, l->statvfs);
l->res = res;
fuse_native_semaphore_signal(&(l->sem));
return NULL;
}
NAPI_METHOD(fuse_native_signal_buffer) {
NAPI_ARGV(2)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
@ -351,8 +576,23 @@ NAPI_METHOD(fuse_native_signal_buffer) {
return NULL;
}
NAPI_METHOD(fuse_native_signal_xattr) {
}
NAPI_METHOD(fuse_native_signal_statfs) {
NAPI_ARGV(3)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
NAPI_ARGV_INT32(res, 1)
NAPI_ARGV_BUFFER_CAST(uint32_t*, ints, 2)
populate_statvfs(ints, l->statvfs);
l->res = res;
fuse_native_semaphore_signal(&(l->sem));
return NULL;
}
NAPI_METHOD(fuse_native_signal_readdir) {
printf("In signal readdir\n");
NAPI_ARGV(4)
NAPI_ARGV_BUFFER_CAST(fuse_thread_locals_t *, l, 0);
NAPI_ARGV_INT32(res, 1)
@ -405,45 +645,45 @@ NAPI_METHOD(fuse_native_mount) {
napi_create_reference(env, argv[3], 1, &(ft->ctx));
napi_create_reference(env, argv[4], 1, &(ft->on_path_op));
napi_create_reference(env, argv[5], 1, &(ft->on_statfs));
napi_create_reference(env, argv[6], 1, &(ft->on_stat_op));
napi_create_reference(env, argv[7], 1, &(ft->on_buffer_op));
napi_create_reference(env, argv[8], 1, &(ft->on_readdir));
napi_create_reference(env, argv[9], 1, &(ft->on_symlink));
napi_create_reference(env, argv[5], 1, &(ft->on_stat_op));
napi_create_reference(env, argv[6], 1, &(ft->on_buffer_op));
napi_create_reference(env, argv[7], 1, &(ft->on_xattr_op));
napi_create_reference(env, argv[8], 1, &(ft->on_statfs));
napi_create_reference(env, argv[9], 1, &(ft->on_readdir));
napi_create_reference(env, argv[10], 1, &(ft->on_symlink));
ft->env = env;
struct fuse_operations ops = {
.getattr = fuse_native_getattr,
.statfs = fuse_native_statfs,
.readdir = fuse_native_readdir
/*
.init = fuse_native_init,
.error = fuse_native_error,
.access = fuse_native_access,
.getattr = fuse_native_fgetattr,
.fgetattr = fuse_native_fgetattr,
.flush = fuse_native_flush,
.fsync = fuse_native_fsync,
.fsyncdir = fuse_native_fsyncdir,
.statfs = fuse_native_statfs,
.readdir = fuse_native_readdir,
.truncate = fuse_native_truncate,
.ftruncate = fuse_native_ftruncate,
.utimens = fuse_native_utimens,
.readlink = fuse_native_readlink,
.chown = fuse_native_chown,
.chmod = fuse_native_chmod,
.mknod = fuse_native_mknod,
.setxattr = fuse_native_setxattr,
.getxattr = fuse_native_getxattr,
.listxattr = fuse_native_listxattr,
.removexattr = fuse_native_removexattr,
.open = fuse_native_open,
.opendir = fuse_native_opendir,
.create = fuse_native_create,
.read = fuse_native_read,
.write = fuse_native_write,
.release = fuse_native_release,
.releasedir = fuse_native_releasedir,
.create = fuse_native_create,
.access = fuse_native_access,
.setxattr = fuse_native_setxattr,
.getxattr = fuse_native_getxattr,
.listxattr = fuse_native_listxattr,
.removexattr = fuse_native_removexattr,
.utimens = fuse_native_utimens,
/*
.init = fuse_native_init,
.error = fuse_native_error,
.flush = fuse_native_flush,
.fsync = fuse_native_fsync,
.fsyncdir = fuse_native_fsyncdir,
.truncate = fuse_native_truncate,
.ftruncate = fuse_native_ftruncate,
.readlink = fuse_native_readlink,
.chown = fuse_native_chown,
.chmod = fuse_native_chmod,
.mknod = fuse_native_mknod,
.opendir = fuse_native_opendir,
.unlink = fuse_native_unlink,
.rename = fuse_native_rename,
.link = fuse_native_link,
@ -530,3 +770,5 @@ NAPI_INIT() {
NAPI_EXPORT_UINT32(op_rmdir)
NAPI_EXPORT_UINT32(op_destroy)
}

130
index.js
View File

@ -68,8 +68,8 @@ class Fuse {
mount () {
binding.fuse_native_mount(this.mnt, '-odebug', this._thread, this,
this.on_path_op, this.on_statfs_op, this.on_stat_op,
this.on_buffer_op, this.on_readdir, this.on_symlink)
this.on_path_op, this.on_stat_op, this.on_fd_op, this.on_xattr_op,
this.on_statfs, this.on_readdir, this.on_symlink)
}
unmount () {
@ -82,24 +82,17 @@ class Fuse {
}
on_readdir (handle, op, path) {
console.log('IN ONREADDIR')
const signalFunc = binding.fuse_native_signal_readdir.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1])
this.ops.readdir(path, (err, names, stats) => {
if (stats) stats = stats.map(getStatArray)
console.error('readdir err:', err, 'names:', names, 'stats:', stats)
return this._signal(signalFunc, [handle, err, names, stats || []])
})
}
on_buffer_op (handle, op, path, buf) {
const signalFunc = binding.fuse_native_signal_buffer.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1])
}
on_statfs_op (handle, op, path) {
on_statfs (handle, op) {
const signalFunc = binding.fuse_native_signal_statfs.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1, ...getStatfsArray()])
@ -109,27 +102,102 @@ class Fuse {
})
}
on_stat_op (handle, op, path) {
const signalFunc = binding.fuse_native_signal_stat.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1, getStatArray()])
on_fd_op (handle, op, path, fd, buf, len, offset) {
const signalFunc = binding.fuse_native_signal_buffer.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1])
const cb = (bytesProcessed) => {
return this._signal(signalFunc, [handle, bytesProcessed || 0])
}
switch (op) {
case (binding.op_getattr):
this.ops.getattr(path, (err, stat) => {
const arr = getStatArray(stat)
return this._signal(signalFunc, [handle, err, arr])
})
case (binding.op_read):
this.ops.read(path, fd, buf, len, offset, cb)
break
case (binding.op_write):
this.ops.write(path, fd, buf, len, offset, cb)
break
case(binding.op_release):
this.ops.release(path, fd, cb)
break
case(binding.op_releasedir):
this.ops.releasedir(path, fd, cb)
break
default:
return this._signal(signalFunc, [handle, -1, getStatArray()])
return this._signal(signalFunc, [handle, 0])
}
}
on_path_op (handle, op, path) {
const signalFunc = binding.fuse_native_signal_path.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1])
on_stat_op (handle, op, path, fd) {
const signalFunc = binding.fuse_native_signal_stat.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1, getStatArray()])
const cb = (err, stat) => {
const arr = getStatArray(stat)
return this._signal(signalFunc, [handle, err, arr])
}
switch (op) {
case (binding.op_getattr):
this.ops.getattr(path, cb)
break
case (binding.op_fgetattr):
this.ops.fgetattr(path, fd, cb)
default:
return this._signal(signalFunc, [handle, -1, getStatArray()])
}
}
on_path_op (handle, op, path, mode, flags, atim, mtim) {
const signalFunc = binding.fuse_native_signal_path.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1, 0])
const cb = (err, fd) => {
return this._signal(signalFunc, [handle, err, fd || 0])
}
switch (op) {
case (binding.op_open):
this.ops.open(path, flags, cb)
break
case (binding.op_create):
this.ops.create(path, mode, cb)
break
case (binding.op_access):
this.ops.access(path, mode, cb)
break
case (binding.op_utimens):
this.ops.utimens(path, getDoubleInt(atim, 0), getDoubleInt(mtim, 0), cb)
break
default:
return this._signal(signalFunc, [handle, -1, 0])
}
}
on_xattr_op (handle, op, path, name, value, list, size, flags, position) {
const signalFunc = binding.fuse_native_signal_xattr.bind(binding)
if (!this._implemented.has(op)) return this._signal(signalFunc, [handle, -1, 0])
const cb = err => {
return this._signal(signalFunc, [handle, -1])
}
switch (op) {
case (binding.op_setxattr):
this.ops.setxattr(path, name, value, size, position || 0, flags, cb)
break
case (binding.op_getxattr):
this.ops.getxattr(path, name, value, size, position || 0, cb)
break
case (binding.op_listxattr):
this.ops.listxattr(path, list, size, cb)
break
case (binding.op_removexattr):
this.ops.removexattr(path, name, cb)
break
default:
return this._signal(signalFunc, [handle, -1])
}
}
}
@ -156,6 +224,13 @@ function setDoubleInt (arr, idx, num) {
arr[idx + 1] = (num - arr[idx]) / 4294967296
}
function getDoubleInt(arr, idx) {
arr = new Uint32Array(arr)
var num = arr[idx + 1] * 4294967296
num += arr[idx]
return num
}
function getStatArray (stat) {
const ints = new Uint32Array(16)
@ -193,6 +268,15 @@ const f = new Fuse('mnt', {
getattr: (path, cb) => {
return cb(0, emptyStat())
},
access: (path, mode, cb) => {
return cb(0, 0)
},
setxattr: (path, name, buffer, length, offset, cb) => {
return cb(0)
},
utimens: (path, atim, mtim, cb) => {
return cb(0)
},
readdir: (path, cb) => {
if (path === '/') {
return cb(0, ['a', 'b', 'c'], Array(3).fill('a').map(() => emptyStat()))