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@ -28,184 +28,242 @@ using namespace node; |
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#define CTIME_SYMBOL String::NewSymbol("ctime") |
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#define BAD_ARGUMENTS Exception::TypeError(String::New("Bad argument")) |
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static int |
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AfterClose (eio_req *req) |
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void |
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EIOPromise::Attach (void) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result == 0) { |
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promise->EmitSuccess(0, NULL); |
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} else { |
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promise->EmitError(0, NULL); |
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} |
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return 0; |
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ev_ref(EV_DEFAULT_UC); |
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Promise::Attach(); |
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} |
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static Handle<Value> |
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Close (const Arguments& args) |
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void |
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EIOPromise::Detach (void) |
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{ |
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Promise::Detach(); |
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ev_unref(EV_DEFAULT_UC); |
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} |
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EIOPromise* |
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EIOPromise::Create (void) |
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{ |
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if (args.Length() < 1 || !args[0]->IsInt32()) |
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return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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int fd = args[0]->Int32Value(); |
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Promise *promise = Promise::Create(true); |
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Local<Object> handle = |
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Promise::constructor_template->GetFunction()->NewInstance(); |
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eio_close(fd, EIO_PRI_DEFAULT, AfterClose, promise); |
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return scope.Close(promise->Handle()); |
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EIOPromise *promise = new EIOPromise(); |
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promise->Wrap(handle); |
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promise->Attach(); |
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return promise; |
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} |
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static int |
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AfterRename (eio_req *req) |
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#define NODE_UNIXTIME(t) v8::Date::New(1000*static_cast<double>(t)) |
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int |
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EIOPromise::After (eio_req *req) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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HandleScope scope; |
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EIOPromise *promise = reinterpret_cast<EIOPromise*>(req->data); |
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assert(req == promise->req_); |
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if (req->errorno != 0) { |
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Local<Value> exception = Exception::Error( |
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String::NewSymbol(strerror(req->errorno))); |
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promise->EmitError(1, &exception); |
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return 0; |
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} |
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int argc = 0; |
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Local<Value> argv[5]; // 5 is the maximum number of args
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switch (req->type) { |
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case EIO_CLOSE: |
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case EIO_RENAME: |
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case EIO_UNLINK: |
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case EIO_RMDIR: |
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argc = 0; |
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break; |
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case EIO_OPEN: |
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case EIO_WRITE: |
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argc = 1; |
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argv[0] = Integer::New(req->result); |
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break; |
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case EIO_STAT: |
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{ |
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Local<Object> stats = Object::New(); |
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struct stat *s = reinterpret_cast<struct stat*>(req->ptr2); |
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stats->Set(DEV_SYMBOL, Integer::New(s->st_dev)); /* ID of device containing file */ |
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stats->Set(INO_SYMBOL, Integer::New(s->st_ino)); /* inode number */ |
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stats->Set(MODE_SYMBOL, Integer::New(s->st_mode)); /* protection */ |
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stats->Set(NLINK_SYMBOL, Integer::New(s->st_nlink)); /* number of hard links */ |
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stats->Set(UID_SYMBOL, Integer::New(s->st_uid)); /* user ID of owner */ |
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stats->Set(GID_SYMBOL, Integer::New(s->st_gid)); /* group ID of owner */ |
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stats->Set(RDEV_SYMBOL, Integer::New(s->st_rdev)); /* device ID (if special file) */ |
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stats->Set(SIZE_SYMBOL, Integer::New(s->st_size)); /* total size, in bytes */ |
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stats->Set(BLKSIZE_SYMBOL, Integer::New(s->st_blksize)); /* blocksize for filesystem I/O */ |
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stats->Set(BLOCKS_SYMBOL, Integer::New(s->st_blocks)); /* number of blocks allocated */ |
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stats->Set(ATIME_SYMBOL, NODE_UNIXTIME(s->st_atime)); /* time of last access */ |
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stats->Set(MTIME_SYMBOL, NODE_UNIXTIME(s->st_mtime)); /* time of last modification */ |
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stats->Set(CTIME_SYMBOL, NODE_UNIXTIME(s->st_ctime)); /* time of last status change */ |
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argc = 1; |
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argv[0] = stats; |
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break; |
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} |
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case EIO_READ: |
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{ |
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argc = 2; |
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// FIXME the following is really ugly!
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if (promise->encoding_ == RAW) { |
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if (req->result == 0) { |
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argv[0] = Local<Value>::New(Null()); |
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argv[1] = Integer::New(0); |
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} else { |
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char *buf = reinterpret_cast<char*>(req->ptr2); |
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size_t len = req->result; |
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Local<Array> array = Array::New(len); |
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for (unsigned int i = 0; i < len; i++) { |
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unsigned char val = reinterpret_cast<const unsigned char*>(buf)[i]; |
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array->Set(Integer::New(i), Integer::New(val)); |
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} |
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argv[0] = array; |
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argv[1] = Integer::New(req->result); |
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} |
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} else { |
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// UTF8
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if (req->result == 0) { |
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promise->EmitSuccess(0, NULL); |
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// eof
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argv[0] = Local<Value>::New(Null()); |
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argv[1] = Integer::New(0); |
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} else { |
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promise->EmitError(0, NULL); |
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char *buf = reinterpret_cast<char*>(req->ptr2); |
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argv[0] = String::New(buf, req->result); |
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argv[1] = Integer::New(req->result); |
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} |
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} |
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break; |
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} |
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default: |
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assert(0 && "Unhandled eio response"); |
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} |
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promise->EmitSuccess(argc, argv); |
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return 0; |
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} |
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static Handle<Value> Rename (const Arguments& args) |
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static Handle<Value> |
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Close (const Arguments& args) |
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{ |
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if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) |
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return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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String::Utf8Value path(args[0]->ToString()); |
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String::Utf8Value new_path(args[1]->ToString()); |
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Promise *promise = Promise::Create(true); |
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if (args.Length() < 1 || !args[0]->IsInt32()) { |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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eio_rename(*path, *new_path, EIO_PRI_DEFAULT, AfterRename, promise); |
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return scope.Close(promise->Handle()); |
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int fd = args[0]->Int32Value(); |
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return scope.Close(EIOPromise::Close(fd)); |
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} |
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static int |
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AfterUnlink (eio_req *req) |
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static Handle<Value> |
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Stat (const Arguments& args) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result == 0) { |
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promise->EmitSuccess(0, NULL); |
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} else { |
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promise->EmitError(0, NULL); |
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HandleScope scope; |
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if (args.Length() < 1 || !args[0]->IsString()) { |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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return 0; |
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String::Utf8Value path(args[0]->ToString()); |
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return scope.Close(EIOPromise::Stat(*path)); |
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} |
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static Handle<Value> Unlink (const Arguments& args) |
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static Handle<Value> |
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Rename (const Arguments& args) |
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{ |
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if (args.Length() < 1 || !args[0]->IsString()) |
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return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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if (args.Length() < 2 || !args[0]->IsString() || !args[1]->IsString()) { |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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String::Utf8Value path(args[0]->ToString()); |
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Promise *promise = Promise::Create(true); |
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eio_unlink(*path, EIO_PRI_DEFAULT, AfterUnlink, promise); |
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String::Utf8Value new_path(args[1]->ToString()); |
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return scope.Close(EIOPromise::Rename(*path, *new_path)); |
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Promise *promise = EIOPromise::Create(); |
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return scope.Close(promise->Handle()); |
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} |
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static int |
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AfterRMDir (eio_req *req) |
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static Handle<Value> Unlink (const Arguments& args) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result == 0) { |
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promise->EmitSuccess(0, NULL); |
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} else { |
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promise->EmitError(0, NULL); |
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} |
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return 0; |
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} |
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HandleScope scope; |
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static Handle<Value> RMDir (const Arguments& args) |
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{ |
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if (args.Length() < 1 || !args[0]->IsString()) |
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if (args.Length() < 1 || !args[0]->IsString()) { |
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return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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} |
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String::Utf8Value path(args[0]->ToString()); |
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Promise *promise = Promise::Create(true); |
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eio_rmdir(*path, EIO_PRI_DEFAULT, AfterRMDir, promise); |
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return scope.Close(promise->Handle()); |
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return scope.Close(EIOPromise::Unlink(*path)); |
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} |
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static int |
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AfterOpen (eio_req *req) |
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static Handle<Value> |
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RMDir (const Arguments& args) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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HandleScope scope; |
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if (req->result < 0) { |
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promise->EmitError(0, NULL); |
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return 0; |
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if (args.Length() < 1 || !args[0]->IsString()) { |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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HandleScope scope; |
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Local<Value> argv[1] = { Integer::New(req->result) }; |
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promise->EmitSuccess(1, argv); |
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return 0; |
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String::Utf8Value path(args[0]->ToString()); |
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return scope.Close(EIOPromise::RMDir(*path)); |
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} |
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static Handle<Value> |
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Open (const Arguments& args) |
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{ |
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HandleScope scope; |
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if ( args.Length() < 3 |
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|| !args[0]->IsString() |
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|| !args[1]->IsInt32() |
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|| !args[2]->IsInt32() |
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) return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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String::Utf8Value path(args[0]->ToString()); |
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int flags = args[1]->Int32Value(); |
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mode_t mode = static_cast<mode_t>(args[2]->Int32Value()); |
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Promise *promise = Promise::Create(true); |
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eio_open(*path, flags, mode, EIO_PRI_DEFAULT, AfterOpen, promise); |
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return scope.Close(promise->Handle()); |
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} |
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static int |
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AfterWrite (eio_req *req) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result < 0) { |
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promise->EmitError(0, NULL); |
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return 0; |
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} |
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HandleScope scope; |
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free(req->ptr2); |
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ssize_t written = req->result; |
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Local<Value> argv[1]; |
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argv[0] = written >= 0 ? Integer::New(written) : Integer::New(0); |
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promise->EmitSuccess(1, argv); |
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return 0; |
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return scope.Close(EIOPromise::Open(*path, flags, mode)); |
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} |
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/* node.fs.write(fd, data, position, callback)
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/* node.fs.write(fd, data, position=null)
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* Wrapper for write(2). |
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* |
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* 0 fd integer. file descriptor |
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* 1 data the data to write (string = utf8, array = raw) |
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* 2 position if integer, position to write at in the file. |
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* if null, write from the current position |
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* |
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* 3 callback(errorno, written) |
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*/ |
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static Handle<Value> |
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Write (const Arguments& args) |
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{ |
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if ( args.Length() < 3 |
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|| !args[0]->IsInt32() |
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) return ThrowException(BAD_ARGUMENTS); |
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HandleScope scope; |
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if (args.Length() < 2 || !args[0]->IsInt32()) { |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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int fd = args[0]->Int32Value(); |
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off_t pos = args[2]->IsNumber() ? args[2]->IntegerValue() : -1; |
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off_t offset = args[2]->IsNumber() ? args[2]->IntegerValue() : -1; |
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char *buf = NULL; |
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size_t len = 0; |
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@ -231,92 +289,27 @@ Write (const Arguments& args) |
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return ThrowException(BAD_ARGUMENTS); |
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} |
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Promise *promise = Promise::Create(true); |
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eio_write(fd, buf, len, pos, EIO_PRI_DEFAULT, AfterWrite, promise); |
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return scope.Close(promise->Handle()); |
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} |
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static int |
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AfterUtf8Read (eio_req *req) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result < 0) { |
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promise->EmitError(0, NULL); |
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return 0; |
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} |
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HandleScope scope; |
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Local<Value> argv[2]; |
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if (req->result == 0) { |
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// eof
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argv[0] = Local<Value>::New(Null()); |
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argv[1] = Integer::New(0); |
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} else { |
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char *buf = reinterpret_cast<char*>(req->ptr2); |
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argv[0] = String::New(buf, req->result); |
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argv[1] = Integer::New(req->result); |
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} |
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promise->EmitSuccess(2, argv); |
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return 0; |
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} |
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static int |
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AfterRawRead(eio_req *req) |
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{ |
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Promise *promise = reinterpret_cast<Promise*>(req->data); |
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if (req->result < 0) { |
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promise->EmitError(0, NULL); |
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return 0; |
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} |
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HandleScope scope; |
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Local<Value> argv[2]; |
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if (req->result == 0) { |
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argv[0] = Local<Value>::New(Null()); |
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argv[1] = Integer::New(0); |
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} else { |
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char *buf = reinterpret_cast<char*>(req->ptr2); |
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size_t len = req->result; |
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Local<Array> array = Array::New(len); |
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for (unsigned int i = 0; i < len; i++) { |
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unsigned char val = reinterpret_cast<const unsigned char*>(buf)[i]; |
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array->Set(Integer::New(i), Integer::New(val)); |
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} |
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argv[0] = array; |
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argv[1] = Integer::New(req->result); |
|
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|
} |
|
|
|
|
|
|
|
promise->EmitSuccess(2, argv); |
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|
|
return 0; |
|
|
|
return scope.Close(EIOPromise::Write(fd, buf, len, offset)); |
|
|
|
} |
|
|
|
|
|
|
|
/* node.fs.read(fd, length, position, encoding, callback)
|
|
|
|
/* node.fs.read(fd, length, position, encoding)
|
|
|
|
* Wrapper for read(2). |
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|
|
* |
|
|
|
* 0 fd integer. file descriptor |
|
|
|
* 1 length integer. length to read |
|
|
|
* 2 position if integer, position to read from in the file. |
|
|
|
* if null, read from the current position |
|
|
|
* 3 encoding either node.fs.UTF8 or node.fs.RAW |
|
|
|
* |
|
|
|
* 4 callback(errorno, data) |
|
|
|
* 3 encoding either node.UTF8 or node.RAW |
|
|
|
*/ |
|
|
|
static Handle<Value> |
|
|
|
Read (const Arguments& args) |
|
|
|
{ |
|
|
|
if ( args.Length() < 2 |
|
|
|
|| !args[0]->IsInt32() // fd
|
|
|
|
|| !args[1]->IsNumber() // len
|
|
|
|
) return ThrowException(BAD_ARGUMENTS); |
|
|
|
|
|
|
|
HandleScope scope; |
|
|
|
|
|
|
|
if (args.Length() < 2 || !args[0]->IsInt32() || !args[1]->IsNumber()) { |
|
|
|
return ThrowException(BAD_ARGUMENTS); |
|
|
|
} |
|
|
|
|
|
|
|
int fd = args[0]->Int32Value(); |
|
|
|
size_t len = args[1]->IntegerValue(); |
|
|
|
off_t pos = args[2]->IsNumber() ? args[2]->IntegerValue() : -1; |
|
|
@ -326,94 +319,7 @@ Read (const Arguments& args) |
|
|
|
encoding = static_cast<enum encoding>(args[3]->Int32Value()); |
|
|
|
} |
|
|
|
|
|
|
|
Promise *promise = Promise::Create(true); |
|
|
|
|
|
|
|
// NOTE: 2nd param: NULL pointer tells eio to allocate it itself
|
|
|
|
eio_read(fd, NULL, len, pos, EIO_PRI_DEFAULT, |
|
|
|
encoding == UTF8 ? AfterUtf8Read : AfterRawRead, promise); |
|
|
|
|
|
|
|
return scope.Close(promise->Handle()); |
|
|
|
} |
|
|
|
|
|
|
|
static int |
|
|
|
AfterStat (eio_req *req) |
|
|
|
{ |
|
|
|
Promise *promise = reinterpret_cast<Promise*>(req->data); |
|
|
|
|
|
|
|
if (req->result < 0) { |
|
|
|
promise->EmitError(0, NULL); |
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
HandleScope scope; |
|
|
|
|
|
|
|
Local<Object> stats = Object::New(); |
|
|
|
|
|
|
|
struct stat *s = reinterpret_cast<struct stat*>(req->ptr2); |
|
|
|
|
|
|
|
/* 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, Integer::New(s->st_size)); |
|
|
|
/* 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)); |
|
|
|
/* time of last access */ |
|
|
|
stats->Set(ATIME_SYMBOL, Date::New(1000*static_cast<double>(s->st_atime))); |
|
|
|
/* time of last modification */ |
|
|
|
stats->Set(MTIME_SYMBOL, Date::New(1000*static_cast<double>(s->st_mtime))); |
|
|
|
/* time of last status change */ |
|
|
|
stats->Set(CTIME_SYMBOL, Date::New(1000*static_cast<double>(s->st_ctime))); |
|
|
|
|
|
|
|
Local<Value> argv[1] = { stats }; |
|
|
|
promise->EmitSuccess(1, argv); |
|
|
|
|
|
|
|
return 0; |
|
|
|
} |
|
|
|
|
|
|
|
static Handle<Value> |
|
|
|
Stat (const Arguments& args) |
|
|
|
{ |
|
|
|
if (args.Length() < 1 || !args[0]->IsString()) |
|
|
|
return ThrowException(BAD_ARGUMENTS); |
|
|
|
|
|
|
|
HandleScope scope; |
|
|
|
|
|
|
|
String::Utf8Value path(args[0]->ToString()); |
|
|
|
|
|
|
|
Promise *promise = Promise::Create(true); |
|
|
|
|
|
|
|
eio_stat(*path, EIO_PRI_DEFAULT, AfterStat, promise); |
|
|
|
|
|
|
|
return scope.Close(promise->Handle()); |
|
|
|
} |
|
|
|
|
|
|
|
static Handle<Value> |
|
|
|
StrError (const Arguments& args) |
|
|
|
{ |
|
|
|
if (args.Length() < 1) return v8::Undefined(); |
|
|
|
if (!args[0]->IsNumber()) return v8::Undefined(); |
|
|
|
|
|
|
|
HandleScope scope; |
|
|
|
|
|
|
|
int errorno = args[0]->IntegerValue(); |
|
|
|
|
|
|
|
Local<String> message = String::New(strerror(errorno)); |
|
|
|
|
|
|
|
return scope.Close(message); |
|
|
|
return scope.Close(EIOPromise::Read(fd, len, pos, encoding)); |
|
|
|
} |
|
|
|
|
|
|
|
void |
|
|
@ -421,7 +327,6 @@ File::Initialize (Handle<Object> target) |
|
|
|
{ |
|
|
|
HandleScope scope; |
|
|
|
|
|
|
|
// POSIX Wrappers
|
|
|
|
NODE_SET_METHOD(target, "close", Close); |
|
|
|
NODE_SET_METHOD(target, "open", Open); |
|
|
|
NODE_SET_METHOD(target, "read", Read); |
|
|
@ -430,6 +335,4 @@ File::Initialize (Handle<Object> target) |
|
|
|
NODE_SET_METHOD(target, "stat", Stat); |
|
|
|
NODE_SET_METHOD(target, "unlink", Unlink); |
|
|
|
NODE_SET_METHOD(target, "write", Write); |
|
|
|
|
|
|
|
NODE_SET_METHOD(target, "strerror", StrError); |
|
|
|
} |
|
|
|