142 lines
4.9 KiB
C++
142 lines
4.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/SharedBuffer.h>
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#include <LibProtocol/Client.h>
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#include <LibProtocol/Download.h>
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namespace Protocol {
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Download::Download(Client& client, i32 download_id)
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: m_client(client)
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, m_download_id(download_id)
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{
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}
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bool Download::stop()
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{
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return m_client->stop_download({}, *this);
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}
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void Download::stream_into(OutputStream& stream)
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{
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ASSERT(!m_internal_stream_data);
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auto notifier = Core::Notifier::construct(fd(), Core::Notifier::Read);
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m_internal_stream_data = make<InternalStreamData>(fd());
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m_internal_stream_data->read_notifier = notifier;
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auto user_on_finish = move(on_finish);
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on_finish = [this](auto success, auto total_size) {
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m_internal_stream_data->success = success;
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m_internal_stream_data->total_size = total_size;
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m_internal_stream_data->download_done = true;
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};
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notifier->on_ready_to_read = [this, &stream, user_on_finish = move(user_on_finish)] {
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constexpr size_t buffer_size = 1 * KiB;
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static char buf[buffer_size];
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auto nread = m_internal_stream_data->read_stream.read({ buf, buffer_size });
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if (!stream.write_or_error({ buf, nread })) {
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// FIXME: What do we do here?
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TODO();
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}
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if (m_internal_stream_data->read_stream.eof() && m_internal_stream_data->download_done) {
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m_internal_stream_data->read_notifier->close();
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user_on_finish(m_internal_stream_data->success, m_internal_stream_data->total_size);
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} else {
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m_internal_stream_data->read_stream.handle_any_error();
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}
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};
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}
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void Download::set_should_buffer_all_input(bool value)
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{
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if (m_should_buffer_all_input == value)
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return;
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if (m_internal_buffered_data && !value) {
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m_internal_buffered_data = nullptr;
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m_should_buffer_all_input = false;
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return;
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}
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ASSERT(!m_internal_stream_data);
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ASSERT(!m_internal_buffered_data);
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ASSERT(on_buffered_download_finish); // Not having this set makes no sense.
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m_internal_buffered_data = make<InternalBufferedData>(fd());
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m_should_buffer_all_input = true;
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on_headers_received = [this](auto& headers, auto response_code) {
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m_internal_buffered_data->response_headers = headers;
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m_internal_buffered_data->response_code = move(response_code);
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};
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on_finish = [this](auto success, u32 total_size) {
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auto output_buffer = m_internal_buffered_data->payload_stream.copy_into_contiguous_buffer();
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on_buffered_download_finish(
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success,
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total_size,
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m_internal_buffered_data->response_headers,
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m_internal_buffered_data->response_code,
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output_buffer);
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};
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stream_into(m_internal_buffered_data->payload_stream);
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}
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void Download::did_finish(Badge<Client>, bool success, u32 total_size)
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{
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if (!on_finish)
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return;
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on_finish(success, total_size);
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}
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void Download::did_progress(Badge<Client>, Optional<u32> total_size, u32 downloaded_size)
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{
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if (on_progress)
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on_progress(total_size, downloaded_size);
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}
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void Download::did_receive_headers(Badge<Client>, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> response_code)
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{
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if (on_headers_received)
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on_headers_received(response_headers, response_code);
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}
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void Download::did_request_certificates(Badge<Client>)
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{
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if (on_certificate_requested) {
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auto result = on_certificate_requested();
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if (!m_client->set_certificate({}, *this, result.certificate, result.key)) {
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dbgln("Download: set_certificate failed");
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}
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}
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}
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}
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