ladybird/Userland/Libraries/LibProtocol/Download.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

121 lines
3.7 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibProtocol/Client.h>
#include <LibProtocol/Download.h>
namespace Protocol {
Download::Download(Client& client, i32 download_id)
: m_client(client)
, m_download_id(download_id)
{
}
bool Download::stop()
{
return m_client->stop_download({}, *this);
}
void Download::stream_into(OutputStream& stream)
{
VERIFY(!m_internal_stream_data);
auto notifier = Core::Notifier::construct(fd(), Core::Notifier::Read);
m_internal_stream_data = make<InternalStreamData>(fd());
m_internal_stream_data->read_notifier = notifier;
auto user_on_finish = move(on_finish);
on_finish = [this](auto success, auto total_size) {
m_internal_stream_data->success = success;
m_internal_stream_data->total_size = total_size;
m_internal_stream_data->download_done = true;
};
notifier->on_ready_to_read = [this, &stream, user_on_finish = move(user_on_finish)] {
constexpr size_t buffer_size = PAGE_SIZE;
static char buf[buffer_size];
auto nread = m_internal_stream_data->read_stream.read({ buf, buffer_size });
if (!stream.write_or_error({ buf, nread })) {
// FIXME: What do we do here?
TODO();
}
if (m_internal_stream_data->read_stream.eof() && m_internal_stream_data->download_done) {
m_internal_stream_data->read_notifier->close();
user_on_finish(m_internal_stream_data->success, m_internal_stream_data->total_size);
} else {
m_internal_stream_data->read_stream.handle_any_error();
}
};
}
void Download::set_should_buffer_all_input(bool value)
{
if (m_should_buffer_all_input == value)
return;
if (m_internal_buffered_data && !value) {
m_internal_buffered_data = nullptr;
m_should_buffer_all_input = false;
return;
}
VERIFY(!m_internal_stream_data);
VERIFY(!m_internal_buffered_data);
VERIFY(on_buffered_download_finish); // Not having this set makes no sense.
m_internal_buffered_data = make<InternalBufferedData>(fd());
m_should_buffer_all_input = true;
on_headers_received = [this](auto& headers, auto response_code) {
m_internal_buffered_data->response_headers = headers;
m_internal_buffered_data->response_code = move(response_code);
};
on_finish = [this](auto success, u32 total_size) {
auto output_buffer = m_internal_buffered_data->payload_stream.copy_into_contiguous_buffer();
on_buffered_download_finish(
success,
total_size,
m_internal_buffered_data->response_headers,
m_internal_buffered_data->response_code,
output_buffer);
};
stream_into(m_internal_buffered_data->payload_stream);
}
void Download::did_finish(Badge<Client>, bool success, u32 total_size)
{
if (!on_finish)
return;
on_finish(success, total_size);
}
void Download::did_progress(Badge<Client>, Optional<u32> total_size, u32 downloaded_size)
{
if (on_progress)
on_progress(total_size, downloaded_size);
}
void Download::did_receive_headers(Badge<Client>, const HashMap<String, String, CaseInsensitiveStringTraits>& response_headers, Optional<u32> response_code)
{
if (on_headers_received)
on_headers_received(response_headers, response_code);
}
void Download::did_request_certificates(Badge<Client>)
{
if (on_certificate_requested) {
auto result = on_certificate_requested();
if (!m_client->set_certificate({}, *this, result.certificate, result.key)) {
dbgln("Download: set_certificate failed");
}
}
}
}