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RequestServer+LibHTTP+LibGemini: Cache connections to the same host

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This makes connections (particularly TLS-based ones) do the handshaking
stuff only once.
Currently the cache is configured to keep at most two connections evenly
balanced in queue size, and with a grace period of 10s after the last
queued job has finished (after which the connection will be dropped).
This commit is contained in:
Ali Mohammad Pur 2021-09-18 03:48:22 +04:30 • committed by Ali Mohammad Pur
parent c5d7eb8618
commit 65f7e45a75
22 changed files with 295 additions and 51 deletions
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5
Userland/Services/RequestServer/GeminiProtocol.cpp
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ConnectionCache.h"
#include <LibGemini/GeminiJob.h>
#include <LibGemini/GeminiRequest.h>
#include <RequestServer/GeminiProtocol.h>
@ -34,7 +35,9 @@ OwnPtr<Request> GeminiProtocol::start_request(ClientConnection& client, const St
auto job = Gemini::GeminiJob::construct(request, *output_stream);
auto protocol_request = GeminiRequest::create_with_job({}, client, (Gemini::GeminiJob&)*job, move(output_stream));
protocol_request->set_request_fd(pipe_result.value().read_fd);
job->start();
ConnectionCache::get_or_create_connection(ConnectionCache::g_tls_connection_cache, url, *job);
return protocol_request;
}