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RequestServer+LibHTTP+LibGemini: Cache connections to the same host
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).
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parent
c5d7eb8618
commit
65f7e45a75
22 changed files with 295 additions and 51 deletions
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@ -85,7 +85,7 @@ void Job::flush_received_buffers()
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{
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if (!m_can_stream_response || m_buffered_size == 0)
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return;
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dbgln_if(JOB_DEBUG, "Job: Flushing received buffers: have {} bytes in {} buffers", m_buffered_size, m_received_buffers.size());
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dbgln_if(JOB_DEBUG, "Job: Flushing received buffers: have {} bytes in {} buffers for {}", m_buffered_size, m_received_buffers.size(), m_request.url());
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for (size_t i = 0; i < m_received_buffers.size(); ++i) {
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auto& payload = m_received_buffers[i];
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auto written = do_write(payload);
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@ -100,7 +100,7 @@ void Job::flush_received_buffers()
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payload = payload.slice(written, payload.size() - written);
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break;
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}
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dbgln_if(JOB_DEBUG, "Job: Flushing received buffers done: have {} bytes in {} buffers", m_buffered_size, m_received_buffers.size());
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dbgln_if(JOB_DEBUG, "Job: Flushing received buffers done: have {} bytes in {} buffers for {}", m_buffered_size, m_received_buffers.size(), m_request.url());
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}
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void Job::on_socket_connected()
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@ -121,6 +121,7 @@ void Job::on_socket_connected()
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deferred_invoke([this] { did_fail(Core::NetworkJob::Error::TransmissionFailed); });
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});
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register_on_ready_to_read([&] {
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dbgln_if(JOB_DEBUG, "Ready to read for {}, state = {}, cancelled = {}", m_request.url(), to_underlying(m_state), is_cancelled());
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if (is_cancelled())
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return;
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@ -132,9 +133,12 @@ void Job::on_socket_connected()
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}
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if (m_state == State::InStatus) {
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if (!can_read_line())
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if (!can_read_line()) {
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dbgln_if(JOB_DEBUG, "Job {} cannot read line", m_request.url());
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return;
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}
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auto line = read_line(PAGE_SIZE);
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dbgln_if(JOB_DEBUG, "Job {} read line of length {}", m_request.url(), line.length());
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if (line.is_null()) {
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dbgln("Job: Expected HTTP status");
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return deferred_invoke([this] { did_fail(Core::NetworkJob::Error::TransmissionFailed); });
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@ -287,7 +291,9 @@ void Job::on_socket_connected()
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}
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}
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dbgln_if(JOB_DEBUG, "Waiting for payload for {}", m_request.url());
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auto payload = receive(read_size);
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dbgln_if(JOB_DEBUG, "Received {} bytes of payload from {}", payload.size(), m_request.url());
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if (payload.is_empty()) {
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if (eof()) {
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finish_up();
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