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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "node.h"
#include "node_file.h"
#include "node_buffer.h"
#include "node_stat_watcher.h"
#include "req_wrap.h"
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#if defined(__MINGW32__) || defined(_MSC_VER)
# include <io.h>
#endif
namespace node {
using namespace v8;
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define TYPE_ERROR(msg) \
ThrowException(Exception::TypeError(String::New(msg)));
#define THROW_BAD_ARGS TYPE_ERROR("Bad argument")
class FSReqWrap: public ReqWrap<uv_fs_t> {
public:
FSReqWrap(const char* syscall)
: syscall_(syscall) {
}
const char* syscall() { return syscall_; }
private:
const char* syscall_;
};
static Persistent<String> encoding_symbol;
static Persistent<String> errno_symbol;
static Persistent<String> buf_symbol;
static Persistent<String> oncomplete_sym;
#define ASSERT_OFFSET(a) \
if (!(a)->IsUndefined() && !(a)->IsNull() && !IsInt64((a)->NumberValue())) { \
return ThrowException(Exception::TypeError(String::New("Not an integer"))); \
}
#define ASSERT_TRUNCATE_LENGTH(a) \
if (!(a)->IsUndefined() && !(a)->IsNull() && !IsInt64((a)->NumberValue())) { \
return ThrowException(Exception::TypeError(String::New("Not an integer"))); \
}
#define GET_OFFSET(a) ((a)->IsNumber() ? (a)->IntegerValue() : -1)
#define GET_TRUNCATE_LENGTH(a) ((a)->IntegerValue())
static inline int IsInt64(double x) {
return x == static_cast<double>(static_cast<int64_t>(x));
}
static void After(uv_fs_t *req) {
HandleScope scope;
FSReqWrap* req_wrap = (FSReqWrap*) req->data;
assert(&req_wrap->req_ == req);
// there is always at least one argument. "error"
int argc = 1;
// Allocate space for two args. We may only use one depending on the case.
// (Feel free to increase this if you need more)
Local<Value> argv[2];
// NOTE: This may be needed to be changed if something returns a -1
// for a success, which is possible.
if (req->result == -1) {
// If the request doesn't have a path parameter set.
if (!req->path) {
argv[0] = UVException(req->errorno,
NULL,
req_wrap->syscall());
} else {
argv[0] = UVException(req->errorno,
NULL,
req_wrap->syscall(),
static_cast<const char*>(req->path));
}
} else {
// error value is empty or null for non-error.
argv[0] = Local<Value>::New(Null());
// All have at least two args now.
argc = 2;
switch (req->fs_type) {
// These all have no data to pass.
case UV_FS_CLOSE:
case UV_FS_RENAME:
case UV_FS_UNLINK:
case UV_FS_RMDIR:
case UV_FS_MKDIR:
case UV_FS_FTRUNCATE:
case UV_FS_FSYNC:
case UV_FS_FDATASYNC:
case UV_FS_LINK:
case UV_FS_SYMLINK:
case UV_FS_CHMOD:
case UV_FS_FCHMOD:
case UV_FS_CHOWN:
case UV_FS_FCHOWN:
// These, however, don't.
argc = 1;
break;
case UV_FS_UTIME:
case UV_FS_FUTIME:
argc = 0;
break;
case UV_FS_OPEN:
/* pass thru */
case UV_FS_SENDFILE:
argv[1] = Integer::New(req->result);
break;
case UV_FS_WRITE:
argv[1] = Integer::New(req->result);
break;
case UV_FS_STAT:
case UV_FS_LSTAT:
case UV_FS_FSTAT:
argv[1] = BuildStatsObject(static_cast<const uv_statbuf_t*>(req->ptr));
break;
case UV_FS_READLINK:
argv[1] = String::New(static_cast<char*>(req->ptr));
break;
case UV_FS_READ:
// Buffer interface
argv[1] = Integer::New(req->result);
break;
case UV_FS_READDIR:
{
char *namebuf = static_cast<char*>(req->ptr);
int nnames = req->result;
Local<Array> names = Array::New(nnames);
for (int i = 0; i < nnames; i++) {
Local<String> name = String::New(namebuf);
names->Set(Integer::New(i), name);
#ifndef NDEBUG
namebuf += strlen(namebuf);
assert(*namebuf == '\0');
namebuf += 1;
#else
namebuf += strlen(namebuf) + 1;
#endif
}
argv[1] = names;
}
break;
default:
assert(0 && "Unhandled eio response");
}
}
if (oncomplete_sym.IsEmpty()) {
oncomplete_sym = NODE_PSYMBOL("oncomplete");
}
MakeCallback(req_wrap->object_, oncomplete_sym, argc, argv);
uv_fs_req_cleanup(&req_wrap->req_);
delete req_wrap;
}
// This struct is only used on sync fs calls.
// For async calls FSReqWrap is used.
struct fs_req_wrap {
fs_req_wrap() {}
~fs_req_wrap() { uv_fs_req_cleanup(&req); }
// Ensure that copy ctor and assignment operator are not used.
fs_req_wrap(const fs_req_wrap& req);
fs_req_wrap& operator=(const fs_req_wrap& req);
uv_fs_t req;
};
#define ASYNC_CALL(func, callback, ...) \
FSReqWrap* req_wrap = new FSReqWrap(#func); \
int r = uv_fs_##func(uv_default_loop(), &req_wrap->req_, \
__VA_ARGS__, After); \
req_wrap->object_->Set(oncomplete_sym, callback); \
req_wrap->Dispatched(); \
if (r < 0) { \
uv_fs_t* req = &req_wrap->req_; \
req->result = r; \
req->path = NULL; \
req->errorno = uv_last_error(uv_default_loop()).code; \
After(req); \
} \
return scope.Close(req_wrap->object_);
#define SYNC_CALL(func, path, ...) \
fs_req_wrap req_wrap; \
int result = uv_fs_##func(uv_default_loop(), &req_wrap.req, __VA_ARGS__, NULL); \
if (result < 0) { \
int code = uv_last_error(uv_default_loop()).code; \
return ThrowException(UVException(code, #func, "", path)); \
}
#define SYNC_REQ req_wrap.req
#define SYNC_RESULT result
static Handle<Value> Close(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
if (args[1]->IsFunction()) {
ASYNC_CALL(close, args[1], fd)
} else {
SYNC_CALL(close, 0, fd)
return Undefined();
}
}
static Persistent<FunctionTemplate> stats_constructor_template;
static Persistent<String> dev_symbol;
static Persistent<String> ino_symbol;
static Persistent<String> mode_symbol;
static Persistent<String> nlink_symbol;
static Persistent<String> uid_symbol;
static Persistent<String> gid_symbol;
static Persistent<String> rdev_symbol;
static Persistent<String> size_symbol;
static Persistent<String> blksize_symbol;
static Persistent<String> blocks_symbol;
static Persistent<String> atime_symbol;
static Persistent<String> mtime_symbol;
static Persistent<String> ctime_symbol;
Local<Object> BuildStatsObject(const uv_statbuf_t* s) {
HandleScope scope;
if (dev_symbol.IsEmpty()) {
dev_symbol = NODE_PSYMBOL("dev");
ino_symbol = NODE_PSYMBOL("ino");
mode_symbol = NODE_PSYMBOL("mode");
nlink_symbol = NODE_PSYMBOL("nlink");
uid_symbol = NODE_PSYMBOL("uid");
gid_symbol = NODE_PSYMBOL("gid");
rdev_symbol = NODE_PSYMBOL("rdev");
size_symbol = NODE_PSYMBOL("size");
blksize_symbol = NODE_PSYMBOL("blksize");
blocks_symbol = NODE_PSYMBOL("blocks");
atime_symbol = NODE_PSYMBOL("atime");
mtime_symbol = NODE_PSYMBOL("mtime");
ctime_symbol = NODE_PSYMBOL("ctime");
}
Local<Object> stats =
stats_constructor_template->GetFunction()->NewInstance();
if (stats.IsEmpty()) return Local<Object>();
// The code below is very nasty-looking but it prevents a segmentation fault
// when people run JS code like the snippet below. It's apparently more
// common than you would expect, several people have reported this crash...
//
// function crash() {
// fs.statSync('.');
// crash();
// }
//
// We need to check the return value of Integer::New() and Date::New()
// and make sure that we bail out when V8 returns an empty handle.
#define X(name) \
{ \
Local<Value> val = Integer::New(s->st_##name); \
if (val.IsEmpty()) return Local<Object>(); \
stats->Set(name##_symbol, val); \
}
X(dev)
X(mode)
X(nlink)
X(uid)
X(gid)
X(rdev)
# if defined(__POSIX__)
X(blksize)
# endif
#undef X
#define X(name) \
{ \
Local<Value> val = Number::New(static_cast<double>(s->st_##name)); \
if (val.IsEmpty()) return Local<Object>(); \
stats->Set(name##_symbol, val); \
}
X(ino)
X(size)
# if defined(__POSIX__)
X(blocks)
# endif
#undef X
#define X(name) \
{ \
Local<Value> val = NODE_UNIXTIME_V8(s->st_##name); \
if (val.IsEmpty()) return Local<Object>(); \
stats->Set(name##_symbol, val); \
}
X(atime)
X(mtime)
X(ctime)
#undef X
return scope.Close(stats);
}
static Handle<Value> Stat(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(stat, args[1], *path)
} else {
SYNC_CALL(stat, *path, *path)
return scope.Close(
BuildStatsObject(static_cast<const uv_statbuf_t*>(SYNC_REQ.ptr)));
}
}
static Handle<Value> LStat(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(lstat, args[1], *path)
} else {
SYNC_CALL(lstat, *path, *path)
return scope.Close(
BuildStatsObject(static_cast<const uv_statbuf_t*>(SYNC_REQ.ptr)));
}
}
static Handle<Value> FStat(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
if (args[1]->IsFunction()) {
ASYNC_CALL(fstat, args[1], fd)
} else {
SYNC_CALL(fstat, 0, fd)
return scope.Close(
BuildStatsObject(static_cast<const uv_statbuf_t*>(SYNC_REQ.ptr)));
}
}
static Handle<Value> Symlink(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("dest path required");
if (len < 2) return TYPE_ERROR("src path required");
if (!args[0]->IsString()) return TYPE_ERROR("dest path must be a string");
if (!args[1]->IsString()) return TYPE_ERROR("src path must be a string");
String::Utf8Value dest(args[0]);
String::Utf8Value path(args[1]);
int flags = 0;
if (args[2]->IsString()) {
String::Utf8Value mode(args[2]);
if (strcmp(*mode, "dir") == 0) {
flags |= UV_FS_SYMLINK_DIR;
} else if (strcmp(*mode, "junction") == 0) {
flags |= UV_FS_SYMLINK_JUNCTION;
} else if (strcmp(*mode, "file") != 0) {
return ThrowException(Exception::Error(
String::New("Unknown symlink type")));
}
}
if (args[3]->IsFunction()) {
ASYNC_CALL(symlink, args[3], *dest, *path, flags)
} else {
SYNC_CALL(symlink, *path, *dest, *path, flags)
return Undefined();
}
}
static Handle<Value> Link(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("dest path required");
if (len < 2) return TYPE_ERROR("src path required");
if (!args[0]->IsString()) return TYPE_ERROR("dest path must be a string");
if (!args[1]->IsString()) return TYPE_ERROR("src path must be a string");
String::Utf8Value orig_path(args[0]);
String::Utf8Value new_path(args[1]);
if (args[2]->IsFunction()) {
ASYNC_CALL(link, args[2], *orig_path, *new_path)
} else {
SYNC_CALL(link, *orig_path, *orig_path, *new_path)
return Undefined();
}
}
static Handle<Value> ReadLink(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(readlink, args[1], *path)
} else {
SYNC_CALL(readlink, *path, *path)
return scope.Close(String::New((char*)SYNC_REQ.ptr));
}
}
static Handle<Value> Rename(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("old path required");
if (len < 2) return TYPE_ERROR("new path required");
if (!args[0]->IsString()) return TYPE_ERROR("old path must be a string");
if (!args[1]->IsString()) return TYPE_ERROR("new path must be a string");
String::Utf8Value old_path(args[0]);
String::Utf8Value new_path(args[1]);
if (args[2]->IsFunction()) {
ASYNC_CALL(rename, args[2], *old_path, *new_path)
} else {
SYNC_CALL(rename, *old_path, *old_path, *new_path)
return Undefined();
}
}
static Handle<Value> FTruncate(const Arguments& args) {
HandleScope scope;
if (args.Length() < 2 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
ASSERT_TRUNCATE_LENGTH(args[1]);
int64_t len = GET_TRUNCATE_LENGTH(args[1]);
if (args[2]->IsFunction()) {
ASYNC_CALL(ftruncate, args[2], fd, len)
} else {
SYNC_CALL(ftruncate, 0, fd, len)
return Undefined();
}
}
static Handle<Value> Fdatasync(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
if (args[1]->IsFunction()) {
ASYNC_CALL(fdatasync, args[1], fd)
} else {
SYNC_CALL(fdatasync, 0, fd)
return Undefined();
}
}
static Handle<Value> Fsync(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
if (args[1]->IsFunction()) {
ASYNC_CALL(fsync, args[1], fd)
} else {
SYNC_CALL(fsync, 0, fd)
return Undefined();
}
}
static Handle<Value> Unlink(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(unlink, args[1], *path)
} else {
SYNC_CALL(unlink, *path, *path)
return Undefined();
}
}
static Handle<Value> RMDir(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(rmdir, args[1], *path)
} else {
SYNC_CALL(rmdir, *path, *path)
return Undefined();
}
}
static Handle<Value> MKDir(const Arguments& args) {
HandleScope scope;
if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsInt32()) {
return THROW_BAD_ARGS;
}
String::Utf8Value path(args[0]);
int mode = static_cast<int>(args[1]->Int32Value());
if (args[2]->IsFunction()) {
ASYNC_CALL(mkdir, args[2], *path, mode)
} else {
SYNC_CALL(mkdir, *path, *path, mode)
return Undefined();
}
}
static Handle<Value> SendFile(const Arguments& args) {
HandleScope scope;
if (args.Length() < 4 ||
!args[0]->IsUint32() ||
!args[1]->IsUint32() ||
!args[2]->IsUint32() ||
!args[3]->IsUint32()) {
return THROW_BAD_ARGS;
}
int out_fd = args[0]->Uint32Value();
int in_fd = args[1]->Uint32Value();
off_t in_offset = args[2]->Uint32Value();
size_t length = args[3]->Uint32Value();
if (args[4]->IsFunction()) {
ASYNC_CALL(sendfile, args[4], out_fd, in_fd, in_offset, length)
} else {
SYNC_CALL(sendfile, 0, out_fd, in_fd, in_offset, length)
return scope.Close(Integer::New(SYNC_RESULT));
}
}
static Handle<Value> ReadDir(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1) return TYPE_ERROR("path required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
String::Utf8Value path(args[0]);
if (args[1]->IsFunction()) {
ASYNC_CALL(readdir, args[1], *path, 0 /*flags*/)
} else {
SYNC_CALL(readdir, *path, *path, 0 /*flags*/)
char *namebuf = static_cast<char*>(SYNC_REQ.ptr);
int nnames = req_wrap.req.result;
Local<Array> names = Array::New(nnames);
for (int i = 0; i < nnames; i++) {
Local<String> name = String::New(namebuf);
names->Set(Integer::New(i), name);
#ifndef NDEBUG
namebuf += strlen(namebuf);
assert(*namebuf == '\0');
namebuf += 1;
#else
namebuf += strlen(namebuf) + 1;
#endif
}
return scope.Close(names);
}
}
static Handle<Value> Open(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("path required");
if (len < 2) return TYPE_ERROR("flags required");
if (len < 3) return TYPE_ERROR("mode required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
if (!args[1]->IsInt32()) return TYPE_ERROR("flags must be an int");
if (!args[2]->IsInt32()) return TYPE_ERROR("mode must be an int");
String::Utf8Value path(args[0]);
int flags = args[1]->Int32Value();
int mode = static_cast<int>(args[2]->Int32Value());
if (args[3]->IsFunction()) {
ASYNC_CALL(open, args[3], *path, flags, mode)
} else {
SYNC_CALL(open, *path, *path, flags, mode)
int fd = SYNC_RESULT;
return scope.Close(Integer::New(fd));
}
}
// bytesWritten = write(fd, data, position, enc, callback)
// Wrapper for write(2).
//
// 0 fd integer. file descriptor
// 1 buffer the data to write
// 2 offset where in the buffer to start from
// 3 length how much to write
// 4 position if integer, position to write at in the file.
// if null, write from the current position
static Handle<Value> Write(const Arguments& args) {
HandleScope scope;
if (!args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
if (!Buffer::HasInstance(args[1])) {
return ThrowException(Exception::Error(
String::New("Second argument needs to be a buffer")));
}
Local<Object> buffer_obj = args[1]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[2]->Int32Value();
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
ssize_t len = args[3]->Int32Value();
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("off + len > buffer.length")));
}
ASSERT_OFFSET(args[4]);
int64_t pos = GET_OFFSET(args[4]);
char * buf = (char*)buffer_data + off;
Local<Value> cb = args[5];
if (cb->IsFunction()) {
ASYNC_CALL(write, cb, fd, buf, len, pos)
} else {
SYNC_CALL(write, 0, fd, buf, len, pos)
return scope.Close(Integer::New(SYNC_RESULT));
}
}
/*
* Wrapper for read(2).
*
* bytesRead = fs.read(fd, buffer, offset, length, position)
*
* 0 fd integer. file descriptor
* 1 buffer instance of Buffer
* 2 offset integer. offset to start reading into inside buffer
* 3 length integer. length to read
* 4 position file position - null for current position
*
*/
static Handle<Value> Read(const Arguments& args) {
HandleScope scope;
if (args.Length() < 2 || !args[0]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
Local<Value> cb;
size_t len;
int64_t pos;
char * buf = NULL;
if (!Buffer::HasInstance(args[1])) {
return ThrowException(Exception::Error(
String::New("Second argument needs to be a buffer")));
}
Local<Object> buffer_obj = args[1]->ToObject();
char *buffer_data = Buffer::Data(buffer_obj);
size_t buffer_length = Buffer::Length(buffer_obj);
size_t off = args[2]->Int32Value();
if (off >= buffer_length) {
return ThrowException(Exception::Error(
String::New("Offset is out of bounds")));
}
len = args[3]->Int32Value();
if (off + len > buffer_length) {
return ThrowException(Exception::Error(
String::New("Length extends beyond buffer")));
}
pos = GET_OFFSET(args[4]);
buf = buffer_data + off;
cb = args[5];
if (cb->IsFunction()) {
ASYNC_CALL(read, cb, fd, buf, len, pos);
} else {
SYNC_CALL(read, 0, fd, buf, len, pos)
Local<Integer> bytesRead = Integer::New(SYNC_RESULT);
return scope.Close(bytesRead);
}
}
/* fs.chmod(path, mode);
* Wrapper for chmod(1) / EIO_CHMOD
*/
static Handle<Value> Chmod(const Arguments& args) {
HandleScope scope;
if(args.Length() < 2 || !args[0]->IsString() || !args[1]->IsInt32()) {
return THROW_BAD_ARGS;
}
String::Utf8Value path(args[0]);
int mode = static_cast<int>(args[1]->Int32Value());
if(args[2]->IsFunction()) {
ASYNC_CALL(chmod, args[2], *path, mode);
} else {
SYNC_CALL(chmod, *path, *path, mode);
return Undefined();
}
}
/* fs.fchmod(fd, mode);
* Wrapper for fchmod(1) / EIO_FCHMOD
*/
static Handle<Value> FChmod(const Arguments& args) {
HandleScope scope;
if(args.Length() < 2 || !args[0]->IsInt32() || !args[1]->IsInt32()) {
return THROW_BAD_ARGS;
}
int fd = args[0]->Int32Value();
int mode = static_cast<int>(args[1]->Int32Value());
if(args[2]->IsFunction()) {
ASYNC_CALL(fchmod, args[2], fd, mode);
} else {
SYNC_CALL(fchmod, 0, fd, mode);
return Undefined();
}
}
/* fs.chown(path, uid, gid);
* Wrapper for chown(1) / EIO_CHOWN
*/
static Handle<Value> Chown(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("path required");
if (len < 2) return TYPE_ERROR("uid required");
if (len < 3) return TYPE_ERROR("gid required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
if (!args[1]->IsInt32()) return TYPE_ERROR("uid must be an int");
if (!args[2]->IsInt32()) return TYPE_ERROR("gid must be an int");
String::Utf8Value path(args[0]);
int uid = static_cast<int>(args[1]->Int32Value());
int gid = static_cast<int>(args[2]->Int32Value());
if (args[3]->IsFunction()) {
ASYNC_CALL(chown, args[3], *path, uid, gid);
} else {
SYNC_CALL(chown, *path, *path, uid, gid);
return Undefined();
}
}
/* fs.fchown(fd, uid, gid);
* Wrapper for fchown(1) / EIO_FCHOWN
*/
static Handle<Value> FChown(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("fd required");
if (len < 2) return TYPE_ERROR("uid required");
if (len < 3) return TYPE_ERROR("gid required");
if (!args[0]->IsInt32()) return TYPE_ERROR("fd must be an int");
if (!args[1]->IsInt32()) return TYPE_ERROR("uid must be an int");
if (!args[2]->IsInt32()) return TYPE_ERROR("gid must be an int");
int fd = args[0]->Int32Value();
int uid = static_cast<int>(args[1]->Int32Value());
int gid = static_cast<int>(args[2]->Int32Value());
if (args[3]->IsFunction()) {
ASYNC_CALL(fchown, args[3], fd, uid, gid);
} else {
SYNC_CALL(fchown, 0, fd, uid, gid);
return Undefined();
}
}
static Handle<Value> UTimes(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("path required");
if (len < 2) return TYPE_ERROR("atime required");
if (len < 3) return TYPE_ERROR("mtime required");
if (!args[0]->IsString()) return TYPE_ERROR("path must be a string");
if (!args[1]->IsNumber()) return TYPE_ERROR("atime must be a number");
if (!args[2]->IsNumber()) return TYPE_ERROR("mtime must be a number");
const String::Utf8Value path(args[0]);
const double atime = static_cast<double>(args[1]->NumberValue());
const double mtime = static_cast<double>(args[2]->NumberValue());
if (args[3]->IsFunction()) {
ASYNC_CALL(utime, args[3], *path, atime, mtime);
} else {
SYNC_CALL(utime, *path, *path, atime, mtime);
return Undefined();
}
}
static Handle<Value> FUTimes(const Arguments& args) {
HandleScope scope;
int len = args.Length();
if (len < 1) return TYPE_ERROR("fd required");
if (len < 2) return TYPE_ERROR("atime required");
if (len < 3) return TYPE_ERROR("mtime required");
if (!args[0]->IsInt32()) return TYPE_ERROR("fd must be an int");
if (!args[1]->IsNumber()) return TYPE_ERROR("atime must be a number");
if (!args[2]->IsNumber()) return TYPE_ERROR("mtime must be a number");
const int fd = args[0]->Int32Value();
const double atime = static_cast<double>(args[1]->NumberValue());
const double mtime = static_cast<double>(args[2]->NumberValue());
if (args[3]->IsFunction()) {
ASYNC_CALL(futime, args[3], fd, atime, mtime);
} else {
SYNC_CALL(futime, 0, fd, atime, mtime);
return Undefined();
}
}
void File::Initialize(Handle<Object> target) {
HandleScope scope;
NODE_SET_METHOD(target, "close", Close);
NODE_SET_METHOD(target, "open", Open);
NODE_SET_METHOD(target, "read", Read);
NODE_SET_METHOD(target, "fdatasync", Fdatasync);
NODE_SET_METHOD(target, "fsync", Fsync);
NODE_SET_METHOD(target, "rename", Rename);
NODE_SET_METHOD(target, "ftruncate", FTruncate);
NODE_SET_METHOD(target, "rmdir", RMDir);
NODE_SET_METHOD(target, "mkdir", MKDir);
NODE_SET_METHOD(target, "sendfile", SendFile);
NODE_SET_METHOD(target, "readdir", ReadDir);
NODE_SET_METHOD(target, "stat", Stat);
NODE_SET_METHOD(target, "lstat", LStat);
NODE_SET_METHOD(target, "fstat", FStat);
NODE_SET_METHOD(target, "link", Link);
NODE_SET_METHOD(target, "symlink", Symlink);
NODE_SET_METHOD(target, "readlink", ReadLink);
NODE_SET_METHOD(target, "unlink", Unlink);
NODE_SET_METHOD(target, "write", Write);
NODE_SET_METHOD(target, "chmod", Chmod);
NODE_SET_METHOD(target, "fchmod", FChmod);
//NODE_SET_METHOD(target, "lchmod", LChmod);
NODE_SET_METHOD(target, "chown", Chown);
NODE_SET_METHOD(target, "fchown", FChown);
//NODE_SET_METHOD(target, "lchown", LChown);
NODE_SET_METHOD(target, "utimes", UTimes);
NODE_SET_METHOD(target, "futimes", FUTimes);
errno_symbol = NODE_PSYMBOL("errno");
encoding_symbol = NODE_PSYMBOL("node:encoding");
buf_symbol = NODE_PSYMBOL("__buf");
}
void InitFs(Handle<Object> target) {
HandleScope scope;
// Initialize the stats object
Local<FunctionTemplate> stat_templ = FunctionTemplate::New();
stats_constructor_template = Persistent<FunctionTemplate>::New(stat_templ);
target->Set(String::NewSymbol("Stats"),
stats_constructor_template->GetFunction());
File::Initialize(target);
oncomplete_sym = NODE_PSYMBOL("oncomplete");
StatWatcher::Initialize(target);
}
} // end namespace node
NODE_MODULE(node_fs, node::InitFs)
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