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ProtocolServer+LibProtocol: Introduce a server for handling downloads

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This patch adds ProtocolServer, a server that handles network requests
on behalf of its clients. The first protocol implemented is HTTP.

The idea here is to use a plug-in architecture where any number of
protocols can be added and implemented without having to mess around
with each client program that wants to use the protocol.

A simple client API is provided through LibProtocol::Client. :^)
This commit is contained in:
Andreas Kling 2019-11-23 21:45:33 +01:00
parent 61f611bf3c
commit fd4349a9f2
21 changed files with 475 additions and 0 deletions
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55
Servers/ProtocolServer/Download.cpp Normal file
View file

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#include <ProtocolServer/Download.h>
#include <ProtocolServer/PSClientConnection.h>
// FIXME: What about rollover?
static i32 s_next_id = 1;
static HashMap<i32, RefPtr<Download>>& all_downloads()
{
static HashMap<i32, RefPtr<Download>> map;
return map;
}
Download* Download::find_by_id(i32 id)
{
return all_downloads().get(id).value_or(nullptr);
}
Download::Download(PSClientConnection& client)
: m_id(s_next_id++)
, m_client(client.make_weak_ptr())
{
all_downloads().set(m_id, this);
}
Download::~Download()
{
}
void Download::stop()
{
all_downloads().remove(m_id);
}
void Download::did_finish(bool success)
{
if (!m_client) {
dbg() << "Download::did_finish() after the client already disconnected.";
return;
}
m_client->did_finish_download({}, *this, success);
all_downloads().remove(m_id);
}
void Download::did_progress(size_t total_size, size_t downloaded_size)
{
if (!m_client) {
// FIXME: We should also abort the download in this situation, I guess!
dbg() << "Download::did_progress() after the client already disconnected.";
return;
}
m_total_size = total_size;
m_downloaded_size = downloaded_size;
m_client->did_progress_download({}, *this);
}