| Index: mojo/services/files/public/cpp/lib/input_stream_file.cc
|
| diff --git a/mojo/services/files/public/cpp/lib/input_stream_file.cc b/mojo/services/files/public/cpp/lib/input_stream_file.cc
|
| deleted file mode 100644
|
| index 7408442575dd912606493f49849172e005d57a32..0000000000000000000000000000000000000000
|
| --- a/mojo/services/files/public/cpp/lib/input_stream_file.cc
|
| +++ /dev/null
|
| @@ -1,302 +0,0 @@
|
| -// Copyright 2015 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "mojo/services/files/public/cpp/input_stream_file.h"
|
| -
|
| -#include <utility>
|
| -
|
| -#include "mojo/public/cpp/environment/logging.h"
|
| -
|
| -namespace files_impl {
|
| -
|
| -InputStreamFile::PendingRead::PendingRead(uint32_t num_bytes,
|
| - const ReadCallback& callback)
|
| - : num_bytes(num_bytes), callback(callback) {}
|
| -
|
| -InputStreamFile::PendingRead::~PendingRead() {}
|
| -
|
| -// static
|
| -std::unique_ptr<InputStreamFile> InputStreamFile::Create(
|
| - Client* client,
|
| - mojo::InterfaceRequest<mojo::files::File> request) {
|
| - // TODO(vtl): Use make_unique when we have C++14.
|
| - return std::unique_ptr<InputStreamFile>(
|
| - new InputStreamFile(client, request.Pass()));
|
| -}
|
| -
|
| -InputStreamFile::~InputStreamFile() {
|
| - if (was_destroyed_)
|
| - *was_destroyed_ = true;
|
| -}
|
| -
|
| -InputStreamFile::InputStreamFile(
|
| - Client* client,
|
| - mojo::InterfaceRequest<mojo::files::File> request)
|
| - : client_(client),
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| - is_closed_(false),
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| - was_destroyed_(nullptr),
|
| - binding_(this, request.Pass()) {
|
| - binding_.set_connection_error_handler([this]() {
|
| - if (client_)
|
| - client_->OnClosed();
|
| - });
|
| -}
|
| -
|
| -void InputStreamFile::Close(const CloseCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Call pending read callbacks?
|
| -
|
| - is_closed_ = true;
|
| - callback.Run(mojo::files::Error::OK);
|
| -
|
| - if (client_)
|
| - client_->OnClosed();
|
| -}
|
| -
|
| -void InputStreamFile::Read(uint32_t num_bytes_to_read,
|
| - int64_t offset,
|
| - mojo::files::Whence whence,
|
| - const ReadCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, mojo::Array<uint8_t>());
|
| - return;
|
| - }
|
| -
|
| - if (offset != 0 || whence != mojo::files::Whence::FROM_CURRENT) {
|
| - // TODO(vtl): Is this the "right" behavior?
|
| - callback.Run(mojo::files::Error::INVALID_ARGUMENT, mojo::Array<uint8_t>());
|
| - return;
|
| - }
|
| -
|
| - bool should_start_read = pending_read_queue_.empty();
|
| - pending_read_queue_.push_back(PendingRead(num_bytes_to_read, callback));
|
| - if (should_start_read)
|
| - StartRead();
|
| -}
|
| -
|
| -void InputStreamFile::Write(mojo::Array<uint8_t> bytes_to_write,
|
| - int64_t offset,
|
| - mojo::files::Whence whence,
|
| - const WriteCallback& callback) {
|
| - MOJO_DCHECK(!bytes_to_write.is_null());
|
| -
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, 0);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE, 0);
|
| -}
|
| -
|
| -void InputStreamFile::ReadToStream(mojo::ScopedDataPipeProducerHandle source,
|
| - int64_t offset,
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| - mojo::files::Whence whence,
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| - int64_t num_bytes_to_read,
|
| - const ReadToStreamCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl)
|
| - MOJO_DLOG(ERROR) << "Not implemented";
|
| - callback.Run(mojo::files::Error::UNIMPLEMENTED);
|
| -}
|
| -
|
| -void InputStreamFile::WriteFromStream(mojo::ScopedDataPipeConsumerHandle sink,
|
| - int64_t offset,
|
| - mojo::files::Whence whence,
|
| - const WriteFromStreamCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE);
|
| -}
|
| -
|
| -void InputStreamFile::Tell(const TellCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, 0);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE, 0);
|
| -}
|
| -
|
| -void InputStreamFile::Seek(int64_t offset,
|
| - mojo::files::Whence whence,
|
| - const SeekCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, 0);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE, 0);
|
| -}
|
| -
|
| -void InputStreamFile::Stat(const StatCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, nullptr);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl)
|
| - MOJO_DLOG(ERROR) << "Not implemented";
|
| - callback.Run(mojo::files::Error::UNIMPLEMENTED, nullptr);
|
| -}
|
| -
|
| -void InputStreamFile::Truncate(int64_t size, const TruncateCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE);
|
| -}
|
| -
|
| -void InputStreamFile::Touch(mojo::files::TimespecOrNowPtr atime,
|
| - mojo::files::TimespecOrNowPtr mtime,
|
| - const TouchCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE);
|
| -}
|
| -
|
| -void InputStreamFile::Dup(mojo::InterfaceRequest<mojo::files::File> file,
|
| - const DupCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE);
|
| -}
|
| -
|
| -void InputStreamFile::Reopen(mojo::InterfaceRequest<mojo::files::File> file,
|
| - uint32_t open_flags,
|
| - const ReopenCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED);
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE);
|
| -}
|
| -
|
| -void InputStreamFile::AsBuffer(const AsBufferCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, mojo::ScopedSharedBufferHandle());
|
| - return;
|
| - }
|
| -
|
| - // TODO(vtl): Is this what we want? (Also is "unavailable" right? Maybe
|
| - // unsupported/EINVAL is better.)
|
| - callback.Run(mojo::files::Error::UNAVAILABLE,
|
| - mojo::ScopedSharedBufferHandle());
|
| -}
|
| -
|
| -void InputStreamFile::Ioctl(uint32_t request,
|
| - mojo::Array<uint32_t> in_values,
|
| - const IoctlCallback& callback) {
|
| - if (is_closed_) {
|
| - callback.Run(mojo::files::Error::CLOSED, mojo::Array<uint32_t>());
|
| - return;
|
| - }
|
| -
|
| - callback.Run(mojo::files::Error::UNIMPLEMENTED, mojo::Array<uint32_t>());
|
| -}
|
| -
|
| -void InputStreamFile::StartRead() {
|
| - MOJO_DCHECK(!pending_read_queue_.empty());
|
| -
|
| - // If we don't have a client, just drain all the reads.
|
| - if (!client_) {
|
| - while (!pending_read_queue_.empty()) {
|
| - // TODO(vtl): Is this what we want?
|
| - pending_read_queue_.front().callback.Run(mojo::files::Error::UNAVAILABLE,
|
| - mojo::Array<uint8_t>());
|
| - pending_read_queue_.pop_front();
|
| - }
|
| - return;
|
| - }
|
| -
|
| - do {
|
| - // Find a non-zero-byte read, completing any zero-byte reads at the front of
|
| - // the queue. Note that we do this in FIFO order (thus couldn't have
|
| - // completed them earlier).
|
| - while (!pending_read_queue_.front().num_bytes) {
|
| - pending_read_queue_.front().callback.Run(mojo::files::Error::OK,
|
| - mojo::Array<uint8_t>());
|
| - pending_read_queue_.pop_front();
|
| -
|
| - if (pending_read_queue_.empty())
|
| - return;
|
| - }
|
| -
|
| - // Binding |this| is OK, since the client must not call the callback if we
|
| - // are destroyed.
|
| - mojo::files::Error error = mojo::files::Error::INTERNAL;
|
| - mojo::Array<uint8_t> data;
|
| - // Detect if we were destroyed inside |RequestData()|.
|
| - bool was_destroyed = false;
|
| - MOJO_CHECK(!was_destroyed_);
|
| - was_destroyed_ = &was_destroyed;
|
| - bool synchronous_completion = client_->RequestData(
|
| - pending_read_queue_.front().num_bytes, &error, &data,
|
| - [this](mojo::files::Error e, mojo::Array<uint8_t> d) {
|
| - CompleteRead(e, d.Pass());
|
| - if (!pending_read_queue_.empty())
|
| - StartRead();
|
| - });
|
| - if (was_destroyed)
|
| - return;
|
| - was_destroyed_ = nullptr;
|
| - if (synchronous_completion)
|
| - CompleteRead(error, data.Pass());
|
| - else
|
| - return; // Asynchronous completion.
|
| - } while (!pending_read_queue_.empty());
|
| -}
|
| -
|
| -void InputStreamFile::CompleteRead(mojo::files::Error error,
|
| - mojo::Array<uint8_t> data) {
|
| - MOJO_CHECK(!pending_read_queue_.empty());
|
| -
|
| - if (error != mojo::files::Error::OK) {
|
| - pending_read_queue_.front().callback.Run(error, mojo::Array<uint8_t>());
|
| - pending_read_queue_.pop_front();
|
| - return;
|
| - }
|
| -
|
| - MOJO_CHECK(!data.is_null());
|
| - MOJO_CHECK(data.size() <= pending_read_queue_.front().num_bytes);
|
| - pending_read_queue_.front().callback.Run(mojo::files::Error::OK, data.Pass());
|
| - pending_read_queue_.pop_front();
|
| -}
|
| -
|
| -} // namespace files_impl
|
|
|