node/src/node_file.cc at pathfix · wave2future/node · GitHub

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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"

#ifdef __POSIX__

# include "node_stat_watcher.h"

#endif

#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>

# include <platform_win32.h>

#endif

namespace node {

using namespace v8;

#define MIN(a,b) ((a) < (b) ? (a) : (b))

#define THROW_BAD_ARGS \

ThrowException(Exception::TypeError(String::New("Bad argument")))

typedef class ReqWrap<uv_fs_t> FSReqWrap;

static Persistent<String> encoding_symbol;

static Persistent<String> errno_symbol;

static Persistent<String> buf_symbol;

static Persistent<String> oncomplete_sym;

static inline bool SetCloseOnExec(int fd) {

#ifdef __POSIX__

return (fcntl(fd, F_SETFD, FD_CLOEXEC) != -1);

#else // __MINGW32__

return SetHandleInformation(reinterpret_cast<HANDLE>(_get_osfhandle(fd)),

HANDLE_FLAG_INHERIT, 0) != 0;

#endif

}

#ifdef _LARGEFILE_SOURCE

static inline int IsInt64(double x) {

return x == static_cast<double>(static_cast<int64_t>(x));

}

#endif

static void After(uv_fs_t *req) {

HandleScope scope;

FSReqWrap* req_wrap = (FSReqWrap*) req->data;

assert(&req_wrap->req_ == req);

Local<Value> callback_v = req_wrap->object_->Get(oncomplete_sym);

assert(callback_v->IsFunction());

Local<Function> callback = Local<Function>::Cast(callback_v);

// 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] = ErrnoException(req->errorno);

} else {

argv[0] = ErrnoException(req->errorno,

NULL,

"",

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:

SetCloseOnExec(req->result);

/* 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:

{

NODE_STAT_STRUCT *s = reinterpret_cast<NODE_STAT_STRUCT*>(req->ptr);

argv[1] = BuildStatsObject(s);

}

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");

}

TryCatch try_catch;

callback->Call(req_wrap->object_, argc, argv);

if (try_catch.HasCaught()) {

FatalException(try_catch);

}

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(); \

int r = uv_fs_##func(uv_default_loop(), &req_wrap->req_, \

__VA_ARGS__, After); \

assert(r == 0); \

req_wrap->object_->Set(oncomplete_sym, callback); \

req_wrap->Dispatched(); \

return scope.Close(req_wrap->object_);

#define SYNC_CALL(func, path, ...) \

fs_req_wrap req_wrap; \

uv_fs_##func(uv_default_loop(), &req_wrap.req, __VA_ARGS__, NULL); \

if (req_wrap.req.result < 0) { \

return ThrowException( \

ErrnoException(req_wrap.req.errorno, #func, "", path)); \

}

#define SYNC_REQ req_wrap.req

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(NODE_STAT_STRUCT *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();

/* ID of device containing file */

stats->Set(dev_symbol, Integer::New(s->st_dev));

/* inode number */

stats->Set(ino_symbol, Integer::New(s->st_ino));

/* protection */

stats->Set(mode_symbol, Integer::New(s->st_mode));

/* number of hard links */

stats->Set(nlink_symbol, Integer::New(s->st_nlink));

/* user ID of owner */

stats->Set(uid_symbol, Integer::New(s->st_uid));

/* group ID of owner */

stats->Set(gid_symbol, Integer::New(s->st_gid));

/* device ID (if special file) */

stats->Set(rdev_symbol, Integer::New(s->st_rdev));

/* total size, in bytes */

stats->Set(size_symbol, Number::New(s->st_size));

#ifdef __POSIX__

/* blocksize for filesystem I/O */

stats->Set(blksize_symbol, Integer::New(s->st_blksize));

/* number of blocks allocated */

stats->Set(blocks_symbol, Integer::New(s->st_blocks));

#endif

/* time of last access */

stats->Set(atime_symbol, NODE_UNIXTIME_V8(s->st_atime));

/* time of last modification */

stats->Set(mtime_symbol, NODE_UNIXTIME_V8(s->st_mtime));

/* time of last status change */

stats->Set(ctime_symbol, NODE_UNIXTIME_V8(s->st_ctime));

return scope.Close(stats);

}

static Handle<Value> Stat(const Arguments& args) {

HandleScope scope;

if (args.Length() < 1 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

if (args[1]->IsFunction()) {

ASYNC_CALL(stat, args[1], *path)

} else {

SYNC_CALL(stat, *path, *path)

return scope.Close(BuildStatsObject((NODE_STAT_STRUCT*)SYNC_REQ.ptr));

}

static Handle<Value> LStat(const Arguments& args) {

HandleScope scope;

if (args.Length() < 1 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

if (args[1]->IsFunction()) {

ASYNC_CALL(lstat, args[1], *path)

} else {

SYNC_CALL(lstat, *path, *path)

return scope.Close(BuildStatsObject((NODE_STAT_STRUCT*)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((NODE_STAT_STRUCT*)SYNC_REQ.ptr));

}

#ifdef __POSIX__

static Handle<Value> Symlink(const Arguments& args) {

HandleScope scope;

if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value dest(args[0]->ToString());

String::Utf8Value path(args[1]->ToString());

// Just set to zero for now. Support UV_FS_SYMLINK_DIR in the future.

int flags = 0;

if (args[2]->IsFunction()) {

ASYNC_CALL(symlink, args[2], *dest, *path, flags)

} else {

SYNC_CALL(symlink, *path, *dest, *path, flags)

return Undefined();

}

#endif // __POSIX__

#ifdef __POSIX__

static Handle<Value> Link(const Arguments& args) {

HandleScope scope;

if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value orig_path(args[0]->ToString());

String::Utf8Value new_path(args[1]->ToString());

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();

}

#endif // __POSIX__

#ifdef __POSIX__

static Handle<Value> ReadLink(const Arguments& args) {

HandleScope scope;

if (args.Length() < 1 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

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));

}

#endif // __POSIX__

static Handle<Value> Rename(const Arguments& args) {

HandleScope scope;

if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value old_path(args[0]->ToString());

String::Utf8Value new_path(args[1]->ToString());

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();

}

#ifndef _LARGEFILE_SOURCE

#define ASSERT_TRUNCATE_LENGTH(a) \

if (!(a)->IsUndefined() && !(a)->IsNull() && !(a)->IsUInt32()) { \

return ThrowException(Exception::TypeError(String::New("Not an integer"))); \

}

#define GET_TRUNCATE_LENGTH(a) ((a)->UInt32Value())

#else

#define ASSERT_TRUNCATE_LENGTH(a) \

if (!(a)->IsUndefined() && !(a)->IsNull() && !IsInt64((a)->NumberValue())) { \

return ThrowException(Exception::TypeError(String::New("Not an integer"))); \

}

#define GET_TRUNCATE_LENGTH(a) ((a)->IntegerValue())

#endif

static Handle<Value> Truncate(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]);

off_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 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

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 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

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]->ToString());

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_REQ.result));

}

static Handle<Value> ReadDir(const Arguments& args) {

HandleScope scope;

if (args.Length() < 1 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

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;

if (args.Length() < 3 ||

!args[0]->IsString() ||

!args[1]->IsInt32() ||

!args[2]->IsInt32()) {

return THROW_BAD_ARGS;

}

String::Utf8Value path(args[0]->ToString());

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_REQ.result;

SetCloseOnExec(fd);

return scope.Close(Integer::New(fd));

}

#ifndef _LARGEFILE_SOURCE

#define ASSERT_OFFSET(a) \

if (!(a)->IsUndefined() && !(a)->IsNull() && !(a)->IsInt32()) { \

return ThrowException(Exception::TypeError(String::New("Not an integer"))); \

}

#define GET_OFFSET(a) ((a)->IsNumber() ? (a)->Int32Value() : -1)

#else

#define ASSERT_OFFSET(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)

#endif

// 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("Length is extends beyond buffer")));

}

ASSERT_OFFSET(args[4]);

off_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_REQ.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;

off_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 is 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_REQ.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]->ToString());

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;

if (args.Length() < 3 || !args[0]->IsString()) {

return THROW_BAD_ARGS;

}

if (!args[1]->IsInt32() || !args[2]->IsInt32()) {

return ThrowException(Exception::Error(String::New("User and Group IDs must be an integer.")));

}

String::Utf8Value path(args[0]->ToString());

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;

if (args.Length() < 3 || !args[0]->IsInt32()) {

return THROW_BAD_ARGS;

}

if (!args[1]->IsInt32() || !args[2]->IsInt32()) {

return ThrowException(Exception::Error(String::New("User and Group IDs must be an integer.")));

}

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;

if (args.Length() < 3

|| !args[0]->IsString()

|| !args[1]->IsNumber()

|| !args[2]->IsNumber())

{

return THROW_BAD_ARGS;

}

const String::Utf8Value path(args[0]->ToString());

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;

if (args.Length() < 3

|| !args[0]->IsInt32()

|| !args[1]->IsNumber()

|| !args[2]->IsNumber())

{

return THROW_BAD_ARGS;

}

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, "truncate", Truncate);

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);

#ifdef __POSIX__

NODE_SET_METHOD(target, "link", Link);

NODE_SET_METHOD(target, "symlink", Symlink);

NODE_SET_METHOD(target, "readlink", ReadLink);

#endif // __POSIX__

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");

#ifdef __POSIX__

StatWatcher::Initialize(target);

#endif

}

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node/src/node_file.cc at pathfix · wave2future/node · GitHub

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