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fuse-friends_fuse-native/fuse-bindings.cc

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#include <nan.h>
#define FUSE_USE_VERSION 26
#include <fuse.h>
#include <semaphore.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/mount.h>
#ifdef __APPLE__
#include <dispatch/dispatch.h>
#endif
using namespace v8;
enum bindings_ops_t {
OP_INIT = 0,
OP_ACCESS,
OP_STATFS,
OP_FGETATTR,
OP_GETATTR,
OP_FLUSH,
OP_FSYNC,
OP_FSYNCDIR,
OP_READDIR,
OP_TRUNCATE,
OP_FTRUNCATE,
OP_UTIMENS,
OP_READLINK,
OP_CHOWN,
OP_CHMOD,
OP_SETXATTR,
OP_GETXATTR,
OP_OPEN,
OP_OPENDIR,
OP_READ,
OP_WRITE,
OP_RELEASE,
OP_RELEASEDIR,
OP_CREATE,
OP_UNLINK,
OP_RENAME,
OP_LINK,
OP_SYMLINK,
OP_MKDIR,
OP_RMDIR,
OP_DESTROY
};
static Persistent<Function> buffer_constructor;
static struct stat empty_stat;
// TODO support more than a single mount
static struct {
// fuse data
char mnt[1024];
char mntopts[1024];
pthread_t thread;
#ifdef __APPLE__
dispatch_semaphore_t semaphore;
#else
sem_t semaphore;
#endif
uv_async_t async;
// methods
NanCallback *ops_init;
NanCallback *ops_access;
NanCallback *ops_statfs;
NanCallback *ops_getattr;
NanCallback *ops_fgetattr;
NanCallback *ops_flush;
NanCallback *ops_fsync;
NanCallback *ops_fsyncdir;
NanCallback *ops_readdir;
NanCallback *ops_truncate;
NanCallback *ops_ftruncate;
NanCallback *ops_readlink;
NanCallback *ops_chown;
NanCallback *ops_chmod;
NanCallback *ops_setxattr;
NanCallback *ops_getxattr;
NanCallback *ops_open;
NanCallback *ops_opendir;
NanCallback *ops_read;
NanCallback *ops_write;
NanCallback *ops_release;
NanCallback *ops_releasedir;
NanCallback *ops_create;
NanCallback *ops_utimens;
NanCallback *ops_unlink;
NanCallback *ops_rename;
NanCallback *ops_link;
NanCallback *ops_symlink;
NanCallback *ops_mkdir;
NanCallback *ops_rmdir;
NanCallback *ops_destroy;
// method data
bindings_ops_t op;
NanCallback *callback;
fuse_fill_dir_t filler; // used in readdir
struct fuse_file_info *info;
char *path;
char *name;
off_t offset;
off_t length;
void *data; // various structs
int mode;
int uid;
int gid;
int result;
} bindings;
#ifdef __APPLE__
static void bindings_unmount (char *path) {
unmount(path, 0);
}
static int semaphore_init (dispatch_semaphore_t *sem) {
*sem = dispatch_semaphore_create(0);
return *sem == NULL ? -1 : 0;
}
static void semaphore_wait (dispatch_semaphore_t *sem) {
dispatch_semaphore_wait(*sem, DISPATCH_TIME_FOREVER);
}
static void semaphore_signal (dispatch_semaphore_t *sem) {
dispatch_semaphore_signal(*sem);
}
#else
static void bindings_unmount (char *path) {
umount(path);
}
static int semaphore_init (sem_t *sem) {
return sem_init(sem, 0, 0);
}
static void semaphore_wait (sem_t *sem) {
sem_wait(sem);
}
static void semaphore_signal (sem_t *sem) {
sem_post(sem);
}
#endif
#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION)
NAN_INLINE v8::Local<v8::Object> bindings_buffer (char *data, size_t length) {
Local<Object> buf = NanNew(buffer_constructor)->NewInstance(0, NULL);
buf->Set(NanNew<String>("length"), NanNew<Number>(length));
buf->SetIndexedPropertiesToExternalArrayData((char *) data, kExternalUnsignedByteArray, length);
return buf;
}
#else
void noop (char *data, void *hint) {}
NAN_INLINE v8::Local<v8::Object> bindings_buffer (char *data, size_t length) {
return NanNewBufferHandle(data, length, noop, NULL);
}
#endif
NAN_INLINE static int bindings_call () {
uv_async_send(&bindings.async);
semaphore_wait(&bindings.semaphore);
return bindings.result;
}
static int bindings_truncate (const char *path, off_t size) {
bindings.op = OP_TRUNCATE;
bindings.path = (char *) path;
bindings.length = size;
return bindings_call();
}
static int bindings_ftruncate (const char *path, off_t size, struct fuse_file_info *info) {
bindings.op = OP_FTRUNCATE;
bindings.path = (char *) path;
bindings.length = size;
bindings.info = info;
return bindings_call();
}
static int bindings_getattr (const char *path, struct stat *stat) {
bindings.op = OP_GETATTR;
bindings.path = (char *) path;
bindings.data = stat;
return bindings_call();
}
static int bindings_fgetattr (const char *path, struct stat *stat, struct fuse_file_info *info) {
bindings.op = OP_FGETATTR;
bindings.path = (char *) path;
bindings.data = stat;
bindings.info = info;
return bindings_call();
}
static int bindings_flush (const char *path, struct fuse_file_info *info) {
bindings.op = OP_FLUSH;
bindings.path = (char *) path;
bindings.info = info;
return bindings_call();
}
static int bindings_fsync (const char *path, int datasync, struct fuse_file_info *info) {
bindings.op = OP_FSYNC;
bindings.path = (char *) path;
bindings.mode = datasync;
bindings.info = info;
return bindings_call();
}
static int bindings_fsyncdir (const char *path, int datasync, struct fuse_file_info *info) {
bindings.op = OP_FSYNCDIR;
bindings.path = (char *) path;
bindings.mode = datasync;
bindings.info = info;
return bindings_call();
}
static int bindings_readdir (const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *info) {
bindings.op = OP_READDIR;
bindings.path = (char *) path;
bindings.data = buf;
bindings.filler = filler;
return bindings_call();
}
static int bindings_readlink (const char *path, char *buf, size_t len) {
bindings.op = OP_READLINK;
bindings.path = (char *) path;
bindings.data = (void *) buf;
bindings.length = len;
return bindings_call();
}
static int bindings_chown (const char *path, uid_t uid, gid_t gid) {
bindings.op = OP_CHOWN;
bindings.path = (char *) path;
bindings.uid = uid;
bindings.gid = gid;
return bindings_call();
}
static int bindings_chmod (const char *path, mode_t mode) {
bindings.op = OP_CHMOD;
bindings.path = (char *) path;
bindings.mode = mode;
return bindings_call();
}
#ifdef __APPLE__
static int bindings_setxattr (const char *path, const char *name, const char *value, size_t size, int flags, uint32_t position) {
bindings.op = OP_SETXATTR;
bindings.path = (char *) path;
bindings.name = (char *) name;
bindings.data = (void *) value;
bindings.length = size;
bindings.offset = position;
bindings.mode = flags;
return bindings_call();
}
static int bindings_getxattr (const char *path, const char *name, char *value, size_t size, uint32_t position) {
bindings.op = OP_GETXATTR;
bindings.path = (char *) path;
bindings.name = (char *) name;
bindings.data = (void *) value;
bindings.length = size;
bindings.offset = position;
return bindings_call();
}
#else
static int bindings_setxattr (const char *path, const char *name, const char *value, size_t size, int flags) {
bindings.op = OP_SETXATTR;
bindings.path = (char *) path;
bindings.name = (char *) name;
bindings.data = (void *) value;
bindings.length = size;
bindings.offset = 0;
bindings.mode = flags;
return bindings_call();
}
static int bindings_getxattr (const char *path, const char *name, char *value, size_t size) {
bindings.op = OP_GETXATTR;
bindings.path = (char *) path;
bindings.name = (char *) name;
bindings.data = (void *) value;
bindings.length = size;
bindings.offset = 0;
return bindings_call();
}
#endif
static int bindings_statfs (const char *path, struct statvfs *statfs) {
bindings.op = OP_STATFS;
bindings.path = (char *) path;
bindings.data = statfs;
return bindings_call();
}
static int bindings_open (const char *path, struct fuse_file_info *info) {
bindings.op = OP_OPEN;
bindings.path = (char *) path;
bindings.mode = info->flags;
bindings.info = info;
return bindings_call();
}
static int bindings_opendir (const char *path, struct fuse_file_info *info) {
bindings.op = OP_OPENDIR;
bindings.path = (char *) path;
bindings.mode = info->flags;
bindings.info = info;
return bindings_call();
}
static int bindings_read (const char *path, char *buf, size_t len, off_t offset, struct fuse_file_info *info) {
bindings.op = OP_READ;
bindings.path = (char *) path;
bindings.data = (void *) buf;
bindings.offset = offset;
bindings.length = len;
bindings.info = info;
return bindings_call();
}
static int bindings_write (const char *path, const char *buf, size_t len, off_t offset, struct fuse_file_info * info) {
bindings.op = OP_WRITE;
bindings.path = (char *) path;
bindings.data = (void *) buf;
bindings.offset = offset;
bindings.length = len;
bindings.info = info;
return bindings_call();
}
static int bindings_release (const char *path, struct fuse_file_info *info) {
bindings.op = OP_RELEASE;
bindings.path = (char *) path;
bindings.info = info;
return bindings_call();
}
static int bindings_releasedir (const char *path, struct fuse_file_info *info) {
bindings.op = OP_RELEASEDIR;
bindings.path = (char *) path;
bindings.info = info;
return bindings_call();
}
static int bindings_access (const char *path, int mode) {
bindings.op = OP_ACCESS;
bindings.path = (char *) path;
bindings.mode = mode;
return bindings_call();
}
static int bindings_create (const char *path, mode_t mode, struct fuse_file_info *info) {
bindings.op = OP_CREATE;
bindings.path = (char *) path;
bindings.mode = mode;
bindings.info = info;
return bindings_call();
}
static int bindings_utimens (const char *path, const struct timespec tv[2]) {
bindings.op = OP_UTIMENS;
bindings.path = (char *) path;
bindings.data = (void *) tv;
return bindings_call();
}
static int bindings_unlink (const char *path) {
bindings.op = OP_UNLINK;
bindings.path = (char *) path;
return bindings_call();
}
static int bindings_rename (const char *src, const char *dest) {
bindings.op = OP_RENAME;
bindings.path = (char *) src;
bindings.data = (void *) dest;
return bindings_call();
}
static int bindings_link (const char *path, const char *dest) {
bindings.op = OP_LINK;
bindings.path = (char *) path;
bindings.data = (void *) dest;
return bindings_call();
}
static int bindings_symlink (const char *path, const char *dest) {
bindings.op = OP_SYMLINK;
bindings.path = (char *) path;
bindings.data = (void *) dest;
return bindings_call();
}
static int bindings_mkdir (const char *path, mode_t mode) {
bindings.op = OP_MKDIR;
bindings.path = (char *) path;
bindings.mode = mode;
return bindings_call();
}
static int bindings_rmdir (const char *path) {
bindings.op = OP_RMDIR;
bindings.path = (char *) path;
return bindings_call();
}
static void* bindings_init (struct fuse_conn_info *conn) {
bindings.op = OP_INIT;
bindings_call();
return NULL;
}
static void bindings_destroy (void *data) {
bindings.op = OP_DESTROY;
bindings_call();
}
static void *bindings_thread (void *) {
struct fuse_operations ops = { };
if (bindings.ops_access != NULL) ops.access = bindings_access;
if (bindings.ops_truncate != NULL) ops.truncate = bindings_truncate;
if (bindings.ops_ftruncate != NULL) ops.ftruncate = bindings_ftruncate;
if (bindings.ops_getattr != NULL) ops.getattr = bindings_getattr;
if (bindings.ops_fgetattr != NULL) ops.fgetattr = bindings_fgetattr;
if (bindings.ops_flush != NULL) ops.flush = bindings_flush;
if (bindings.ops_fsync != NULL) ops.fsync = bindings_fsync;
if (bindings.ops_fsyncdir != NULL) ops.fsyncdir = bindings_fsyncdir;
if (bindings.ops_readdir != NULL) ops.readdir = bindings_readdir;
if (bindings.ops_readlink != NULL) ops.readlink = bindings_readlink;
if (bindings.ops_chown != NULL) ops.chown = bindings_chown;
if (bindings.ops_chmod != NULL) ops.chmod = bindings_chmod;
if (bindings.ops_setxattr != NULL) ops.setxattr = bindings_setxattr;
if (bindings.ops_getxattr != NULL) ops.getxattr = bindings_getxattr;
if (bindings.ops_statfs != NULL) ops.statfs = bindings_statfs;
if (bindings.ops_open != NULL) ops.open = bindings_open;
if (bindings.ops_opendir != NULL) ops.opendir = bindings_opendir;
if (bindings.ops_read != NULL) ops.read = bindings_read;
if (bindings.ops_write != NULL) ops.write = bindings_write;
if (bindings.ops_release != NULL) ops.release = bindings_release;
if (bindings.ops_releasedir != NULL) ops.releasedir = bindings_releasedir;
if (bindings.ops_create != NULL) ops.create = bindings_create;
if (bindings.ops_utimens != NULL) ops.utimens = bindings_utimens;
if (bindings.ops_unlink != NULL) ops.unlink = bindings_unlink;
if (bindings.ops_rename != NULL) ops.rename = bindings_rename;
if (bindings.ops_link != NULL) ops.link = bindings_link;
if (bindings.ops_symlink != NULL) ops.symlink = bindings_symlink;
if (bindings.ops_mkdir != NULL) ops.mkdir = bindings_mkdir;
if (bindings.ops_rmdir != NULL) ops.rmdir = bindings_rmdir;
if (bindings.ops_init != NULL) ops.init = bindings_init;
if (bindings.ops_destroy != NULL) ops.destroy = bindings_destroy;
char *argv[] = {
(char *) "dummy",
(char *) "-s",
(char *) "-f",
(char *) bindings.mnt,
(char *) bindings.mntopts
};
bindings_unmount(bindings.mnt); // should probably throw instead if mounted
if (fuse_main(!strcmp(bindings.mntopts, "-o") ? 4 : 5, argv, &ops, NULL)) {
// TODO: error handle somehow
printf("fuse-binding: mount failed\n");
}
return NULL;
}
NAN_INLINE static void bindings_set_date (Local<Date> date, struct timespec *out) {
double ms = date->NumberValue();
time_t secs = (time_t)(ms / 1000.0);
time_t rem = ms - (1000.0 * secs);
time_t ns = rem * 1000000.0;
out->tv_sec = secs;
out->tv_nsec = ns;
}
NAN_INLINE static void bindings_set_stat (Local<Object> obj, struct stat *stat) {
if (obj->Has(NanNew<String>("dev"))) stat->st_dev = obj->Get(NanNew<String>("dev"))->NumberValue();
if (obj->Has(NanNew<String>("ino"))) stat->st_ino = obj->Get(NanNew<String>("ino"))->NumberValue();
if (obj->Has(NanNew<String>("mode"))) stat->st_mode = obj->Get(NanNew<String>("mode"))->Uint32Value();
if (obj->Has(NanNew<String>("nlink"))) stat->st_nlink = obj->Get(NanNew<String>("nlink"))->NumberValue();
if (obj->Has(NanNew<String>("uid"))) stat->st_uid = obj->Get(NanNew<String>("uid"))->NumberValue();
if (obj->Has(NanNew<String>("gid"))) stat->st_gid = obj->Get(NanNew<String>("gid"))->NumberValue();
if (obj->Has(NanNew<String>("rdev"))) stat->st_rdev = obj->Get(NanNew<String>("rdev"))->NumberValue();
if (obj->Has(NanNew<String>("size"))) stat->st_size = obj->Get(NanNew<String>("size"))->NumberValue();
if (obj->Has(NanNew<String>("blksize"))) stat->st_blksize = obj->Get(NanNew<String>("blksize"))->NumberValue();
if (obj->Has(NanNew<String>("blocks"))) stat->st_blocks = obj->Get(NanNew<String>("blocks"))->NumberValue();
#ifdef __APPLE__
if (obj->Has(NanNew<String>("mtime"))) bindings_set_date(obj->Get(NanNew("mtime")).As<Date>(), &stat->st_mtimespec);
if (obj->Has(NanNew<String>("ctime"))) bindings_set_date(obj->Get(NanNew("ctime")).As<Date>(), &stat->st_ctimespec);
if (obj->Has(NanNew<String>("atime"))) bindings_set_date(obj->Get(NanNew("atime")).As<Date>(), &stat->st_atimespec);
#else
if (obj->Has(NanNew<String>("mtime"))) bindings_set_date(obj->Get(NanNew("mtime")).As<Date>(), &stat->st_mtim);
if (obj->Has(NanNew<String>("ctime"))) bindings_set_date(obj->Get(NanNew("ctime")).As<Date>(), &stat->st_ctim);
if (obj->Has(NanNew<String>("atime"))) bindings_set_date(obj->Get(NanNew("atime")).As<Date>(), &stat->st_atim);
#endif
}
NAN_INLINE static void bindings_set_utimens (Local<Object> obj, struct timespec tv[2]) {
if (obj->Has(NanNew<String>("atime"))) bindings_set_date(obj->Get(NanNew("atime")).As<Date>(), &tv[0]);
if (obj->Has(NanNew<String>("mtime"))) bindings_set_date(obj->Get(NanNew("mtime")).As<Date>(), &tv[1]);
}
NAN_INLINE static void bindings_set_statfs (Local<Object> obj, struct statvfs *statfs) { // from http://linux.die.net/man/2/stat
if (obj->Has(NanNew<String>("bsize"))) statfs->f_bsize = obj->Get(NanNew<String>("bsize"))->Uint32Value();
if (obj->Has(NanNew<String>("frsize"))) statfs->f_frsize = obj->Get(NanNew<String>("frsize"))->Uint32Value();
if (obj->Has(NanNew<String>("blocks"))) statfs->f_blocks = obj->Get(NanNew<String>("blocks"))->Uint32Value();
if (obj->Has(NanNew<String>("bfree"))) statfs->f_bfree = obj->Get(NanNew<String>("bfree"))->Uint32Value();
if (obj->Has(NanNew<String>("bavail"))) statfs->f_bavail = obj->Get(NanNew<String>("bavail"))->Uint32Value();
if (obj->Has(NanNew<String>("files"))) statfs->f_files = obj->Get(NanNew<String>("files"))->Uint32Value();
if (obj->Has(NanNew<String>("ffree"))) statfs->f_ffree = obj->Get(NanNew<String>("ffree"))->Uint32Value();
if (obj->Has(NanNew<String>("favail"))) statfs->f_favail = obj->Get(NanNew<String>("favail"))->Uint32Value();
if (obj->Has(NanNew<String>("fsid"))) statfs->f_fsid = obj->Get(NanNew<String>("fsid"))->Uint32Value();
if (obj->Has(NanNew<String>("flag"))) statfs->f_flag = obj->Get(NanNew<String>("flag"))->Uint32Value();
if (obj->Has(NanNew<String>("namemax"))) statfs->f_namemax = obj->Get(NanNew<String>("namemax"))->Uint32Value();
}
NAN_INLINE static void bindings_set_dirs (Local<Array> dirs) {
for (uint32_t i = 0; i < dirs->Length(); i++) {
NanUtf8String dir(dirs->Get(i));
if (bindings.filler(bindings.data, *dir, &empty_stat, 0)) break;
}
}
NAN_INLINE static void bindings_set_fd (Local<Number> fd) {
bindings.info->fh = fd->Uint32Value();
}
NAN_METHOD(OpCallback) {
NanScope();
bindings.result = args[0]->Uint32Value();
if (!bindings.result) {
switch (bindings.op) {
case OP_STATFS: {
if (args.Length() > 1 && args[1]->IsObject()) bindings_set_statfs(args[1].As<Object>(), (struct statvfs *) bindings.data);
}
break;
case OP_GETATTR:
case OP_FGETATTR: {
if (args.Length() > 1 && args[1]->IsObject()) bindings_set_stat(args[1].As<Object>(), (struct stat *) bindings.data);
}
break;
case OP_READDIR: {
if (args.Length() > 1 && args[1]->IsArray()) bindings_set_dirs(args[1].As<Array>());
}
break;
case OP_CREATE:
case OP_OPEN:
case OP_OPENDIR: {
if (args.Length() > 1 && args[1]->IsNumber()) bindings_set_fd(args[1].As<Number>());
}
break;
case OP_UTIMENS: {
if (args.Length() > 1 && args[1]->IsObject()) bindings_set_utimens(args[1].As<Object>(), (struct timespec *) bindings.data);
}
break;
case OP_INIT:
case OP_ACCESS:
case OP_FLUSH:
case OP_FSYNC:
case OP_FSYNCDIR:
case OP_TRUNCATE:
case OP_FTRUNCATE:
case OP_READLINK:
case OP_CHOWN:
case OP_CHMOD:
case OP_SETXATTR:
case OP_GETXATTR:
case OP_READ:
case OP_WRITE:
case OP_RELEASE:
case OP_RELEASEDIR:
case OP_UNLINK:
case OP_RENAME:
case OP_LINK:
case OP_SYMLINK:
case OP_MKDIR:
case OP_RMDIR:
case OP_DESTROY:
break;
}
}
semaphore_signal(&bindings.semaphore);
NanReturnUndefined();
}
NAN_INLINE static void bindings_call_op (NanCallback *fn, int argc, Local<Value> *argv) {
if (fn == NULL) semaphore_signal(&bindings.semaphore);
else fn->Call(argc, argv);
}
static void bindings_dispatch (uv_async_t* handle, int status) {
Local<Function> callback = bindings.callback->GetFunction();
bindings.result = -1;
switch (bindings.op) {
case OP_INIT: {
Local<Value> tmp[] = {callback};
bindings_call_op(bindings.ops_init, 1, tmp);
}
return;
case OP_STATFS: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_statfs, 2, tmp);
}
return;
case OP_FGETATTR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), callback};
bindings_call_op(bindings.ops_fgetattr, 3, tmp);
}
return;
case OP_GETATTR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_getattr, 2, tmp);
}
return;
case OP_READDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_readdir, 2, tmp);
}
return;
case OP_CREATE: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_create, 3, tmp);
}
return;
case OP_TRUNCATE: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.offset), callback};
bindings_call_op(bindings.ops_truncate, 3, tmp);
}
return;
case OP_FTRUNCATE: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), NanNew<Number>(bindings.offset), callback};
bindings_call_op(bindings.ops_ftruncate, 4, tmp);
}
return;
case OP_ACCESS: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_access, 3, tmp);
}
return;
case OP_OPEN: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_open, 3, tmp);
}
return;
case OP_OPENDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_opendir, 3, tmp);
}
return;
case OP_WRITE: {
Local<Value> tmp[] = {
NanNew<String>(bindings.path),
NanNew<Number>(bindings.info->fh),
bindings_buffer((char *) bindings.data, bindings.length),
NanNew<Number>(bindings.length),
NanNew<Number>(bindings.offset),
callback
};
bindings_call_op(bindings.ops_write, 6, tmp);
}
return;
case OP_READ: {
Local<Value> tmp[] = {
NanNew<String>(bindings.path),
NanNew<Number>(bindings.info->fh),
bindings_buffer((char *) bindings.data, bindings.length),
NanNew<Number>(bindings.length),
NanNew<Number>(bindings.offset),
callback
};
bindings_call_op(bindings.ops_read, 6, tmp);
}
return;
case OP_RELEASE: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), callback};
bindings_call_op(bindings.ops_release, 3, tmp);
}
return;
case OP_RELEASEDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), callback};
bindings_call_op(bindings.ops_releasedir, 3, tmp);
}
return;
case OP_UNLINK: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_unlink, 2, tmp);
}
return;
case OP_RENAME: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<String>((char *) bindings.data), callback};
bindings_call_op(bindings.ops_rename, 3, tmp);
}
return;
case OP_LINK: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<String>((char *) bindings.data), callback};
bindings_call_op(bindings.ops_link, 3, tmp);
}
return;
case OP_SYMLINK: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<String>((char *) bindings.data), callback};
bindings_call_op(bindings.ops_symlink, 3, tmp);
}
return;
case OP_CHMOD: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_chmod, 3, tmp);
}
return;
case OP_CHOWN: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.uid), NanNew<Number>(bindings.gid), callback};
bindings_call_op(bindings.ops_chown, 4, tmp);
}
return;
case OP_READLINK: {
Local<Value> tmp[] = {
NanNew<String>(bindings.path),
bindings_buffer((char *) bindings.data, bindings.length),
NanNew<Number>(bindings.length),
callback
};
bindings_call_op(bindings.ops_readlink, 4, tmp);
}
return;
case OP_SETXATTR: {
Local<Value> tmp[] = {
NanNew<String>(bindings.path),
NanNew<String>(bindings.name),
bindings_buffer((char *) bindings.data, bindings.length),
NanNew<Number>(bindings.length),
NanNew<Number>(bindings.offset),
NanNew<Number>(bindings.mode),
callback
};
bindings_call_op(bindings.ops_setxattr, 7, tmp);
}
return;
case OP_GETXATTR: {
Local<Value> tmp[] = {
NanNew<String>(bindings.path),
NanNew<String>(bindings.name),
bindings_buffer((char *) bindings.data, bindings.length),
NanNew<Number>(bindings.length),
NanNew<Number>(bindings.offset),
callback
};
bindings_call_op(bindings.ops_getxattr, 6, tmp);
}
return;
case OP_MKDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_mkdir, 3, tmp);
}
return;
case OP_RMDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_rmdir, 2, tmp);
}
return;
case OP_DESTROY: {
Local<Value> tmp[] = {callback};
bindings_call_op(bindings.ops_destroy, 1, tmp);
}
return;
case OP_UTIMENS: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), callback};
bindings_call_op(bindings.ops_utimens, 2, tmp);
}
return;
case OP_FLUSH: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), callback};
bindings_call_op(bindings.ops_flush, 3, tmp);
}
return;
case OP_FSYNC: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_fsync, 4, tmp);
}
return;
case OP_FSYNCDIR: {
Local<Value> tmp[] = {NanNew<String>(bindings.path), NanNew<Number>(bindings.info->fh), NanNew<Number>(bindings.mode), callback};
bindings_call_op(bindings.ops_fsyncdir, 4, tmp);
}
return;
}
semaphore_signal(&bindings.semaphore);
}
static void bindings_append_opt (char *name) {
if (strcmp(bindings.mntopts, "-o")) strcat(bindings.mntopts, ",");
strcat(bindings.mntopts, name);
}
NAN_METHOD(Mount) {
NanScope();
memset(&empty_stat, 0, sizeof(empty_stat)); // zero empty stat
NanUtf8String path(args[0]);
Local<Object> ops = args[1].As<Object>();
bindings.ops_init = ops->Has(NanNew<String>("init")) ? new NanCallback(ops->Get(NanNew<String>("init")).As<Function>()) : NULL;
bindings.ops_access = ops->Has(NanNew<String>("access")) ? new NanCallback(ops->Get(NanNew<String>("access")).As<Function>()) : NULL;
bindings.ops_statfs = ops->Has(NanNew<String>("statfs")) ? new NanCallback(ops->Get(NanNew<String>("statfs")).As<Function>()) : NULL;
bindings.ops_getattr = ops->Has(NanNew<String>("getattr")) ? new NanCallback(ops->Get(NanNew<String>("getattr")).As<Function>()) : NULL;
bindings.ops_fgetattr = ops->Has(NanNew<String>("fgetattr")) ? new NanCallback(ops->Get(NanNew<String>("fgetattr")).As<Function>()) : NULL;
bindings.ops_flush = ops->Has(NanNew<String>("flush")) ? new NanCallback(ops->Get(NanNew<String>("flush")).As<Function>()) : NULL;
bindings.ops_fsync = ops->Has(NanNew<String>("fsync")) ? new NanCallback(ops->Get(NanNew<String>("fsync")).As<Function>()) : NULL;
bindings.ops_fsyncdir = ops->Has(NanNew<String>("fsyncdir")) ? new NanCallback(ops->Get(NanNew<String>("fsyncdir")).As<Function>()) : NULL;
bindings.ops_readdir = ops->Has(NanNew<String>("readdir")) ? new NanCallback(ops->Get(NanNew<String>("readdir")).As<Function>()) : NULL;
bindings.ops_truncate = ops->Has(NanNew<String>("truncate")) ? new NanCallback(ops->Get(NanNew<String>("truncate")).As<Function>()) : NULL;
bindings.ops_ftruncate = ops->Has(NanNew<String>("ftruncate")) ? new NanCallback(ops->Get(NanNew<String>("ftruncate")).As<Function>()) : NULL;
bindings.ops_readlink = ops->Has(NanNew<String>("readlink")) ? new NanCallback(ops->Get(NanNew<String>("readlink")).As<Function>()) : NULL;
bindings.ops_chown = ops->Has(NanNew<String>("chown")) ? new NanCallback(ops->Get(NanNew<String>("chown")).As<Function>()) : NULL;
bindings.ops_chmod = ops->Has(NanNew<String>("chmod")) ? new NanCallback(ops->Get(NanNew<String>("chmod")).As<Function>()) : NULL;
bindings.ops_setxattr = ops->Has(NanNew<String>("setxattr")) ? new NanCallback(ops->Get(NanNew<String>("setxattr")).As<Function>()) : NULL;
bindings.ops_getxattr = ops->Has(NanNew<String>("getxattr")) ? new NanCallback(ops->Get(NanNew<String>("getxattr")).As<Function>()) : NULL;
bindings.ops_open = ops->Has(NanNew<String>("open")) ? new NanCallback(ops->Get(NanNew<String>("open")).As<Function>()) : NULL;
bindings.ops_opendir = ops->Has(NanNew<String>("opendir")) ? new NanCallback(ops->Get(NanNew<String>("opendir")).As<Function>()) : NULL;
bindings.ops_read = ops->Has(NanNew<String>("read")) ? new NanCallback(ops->Get(NanNew<String>("read")).As<Function>()) : NULL;
bindings.ops_write = ops->Has(NanNew<String>("write")) ? new NanCallback(ops->Get(NanNew<String>("write")).As<Function>()) : NULL;
bindings.ops_release = ops->Has(NanNew<String>("release")) ? new NanCallback(ops->Get(NanNew<String>("release")).As<Function>()) : NULL;
bindings.ops_releasedir = ops->Has(NanNew<String>("releasedir")) ? new NanCallback(ops->Get(NanNew<String>("releasedir")).As<Function>()) : NULL;
bindings.ops_create = ops->Has(NanNew<String>("create")) ? new NanCallback(ops->Get(NanNew<String>("create")).As<Function>()) : NULL;
bindings.ops_utimens = ops->Has(NanNew<String>("utimens")) ? new NanCallback(ops->Get(NanNew<String>("utimens")).As<Function>()) : NULL;
bindings.ops_unlink = ops->Has(NanNew<String>("unlink")) ? new NanCallback(ops->Get(NanNew<String>("unlink")).As<Function>()) : NULL;
bindings.ops_rename = ops->Has(NanNew<String>("rename")) ? new NanCallback(ops->Get(NanNew<String>("rename")).As<Function>()) : NULL;
bindings.ops_link = ops->Has(NanNew<String>("link")) ? new NanCallback(ops->Get(NanNew<String>("link")).As<Function>()) : NULL;
bindings.ops_symlink = ops->Has(NanNew<String>("symlink")) ? new NanCallback(ops->Get(NanNew<String>("symlink")).As<Function>()) : NULL;
bindings.ops_mkdir = ops->Has(NanNew<String>("mkdir")) ? new NanCallback(ops->Get(NanNew<String>("mkdir")).As<Function>()) : NULL;
bindings.ops_rmdir = ops->Has(NanNew<String>("rmdir")) ? new NanCallback(ops->Get(NanNew<String>("rmdir")).As<Function>()) : NULL;
bindings.ops_destroy = ops->Has(NanNew<String>("destroy")) ? new NanCallback(ops->Get(NanNew<String>("destroy")).As<Function>()) : NULL;
bindings.callback = new NanCallback(NanNew<FunctionTemplate>(OpCallback)->GetFunction());
stpcpy(bindings.mnt, *path);
stpcpy(bindings.mntopts, "-o");
Local<Array> options = ops->Get(NanNew<String>("options")).As<Array>();
if (options->IsArray()) {
for (uint32_t i = 0; i < options->Length(); i++) {
NanUtf8String option(options->Get(i));
bindings_append_opt(*option);
}
}
// yolo
semaphore_init(&bindings.semaphore);
uv_async_init(uv_default_loop(), &bindings.async, (uv_async_cb) bindings_dispatch);
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_create(&bindings.thread, &attr, bindings_thread, NULL);
NanReturnUndefined();
}
NAN_METHOD(UnmountSync) {
NanScope();
NanUtf8String path(args[0]);
bindings_unmount(*path);
NanReturnUndefined();
}
class UnmountWorker : public NanAsyncWorker {
public:
UnmountWorker(NanCallback *callback, char *path)
: NanAsyncWorker(callback), path(path) {}
~UnmountWorker() {}
void Execute () {
bindings_unmount(path);
free(path);
}
void HandleOKCallback () {
NanScope();
callback->Call(0, NULL);
}
private:
char *path;
};
NAN_METHOD(SetBuffer) {
NanScope();
NanAssignPersistent(buffer_constructor, args[0].As<Function>());
NanReturnUndefined();
}
NAN_METHOD(Unmount) {
NanScope();
NanUtf8String path(args[0]);
Local<Function> callback = args[1].As<Function>();
char *path_alloc = (char *) malloc(1024);
stpcpy(path_alloc, *path);
NanAsyncQueueWorker(new UnmountWorker(new NanCallback(callback), path_alloc));
NanReturnUndefined();
}
void Init(Handle<Object> exports) {
exports->Set(NanNew("setBuffer"), NanNew<FunctionTemplate>(SetBuffer)->GetFunction());
exports->Set(NanNew("mount"), NanNew<FunctionTemplate>(Mount)->GetFunction());
exports->Set(NanNew("unmount"), NanNew<FunctionTemplate>(Unmount)->GetFunction());
exports->Set(NanNew("unmountSync"), NanNew<FunctionTemplate>(UnmountSync)->GetFunction());
}
NODE_MODULE(fuse_bindings, Init)
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