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Revert "http_client: reduce number of packets sent for small bodies" [RELEASE] #9238

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merged 1 commit into from Mar 11, 2024
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Revert "http_client: reduce number of packets sent for small bodies" [RELEASE] #9238

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42 changes: 16 additions & 26 deletions contrib/epee/include/net/http_client.h
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Expand Up @@ -245,18 +245,8 @@ namespace net_utils
}
}

// This magic var determines the maximum length for when copying the body message in
// memory is faster/more preferable than the round-trip time for one packet
constexpr size_t BODY_NO_COPY_CUTOFF = 128 * 1024; // ~262 KB or ~175 packets

// Maximum expected total headers bytes
constexpr size_t HEADER_RESERVE_SIZE = 2048;

const bool do_copy_body = body.size() <= BODY_NO_COPY_CUTOFF;
const size_t req_buff_cap = HEADER_RESERVE_SIZE + (do_copy_body ? body.size() : 0);

std::string req_buff{};
req_buff.reserve(req_buff_cap);
req_buff.reserve(2048);
req_buff.append(method.data(), method.size()).append(" ").append(uri.data(), uri.size()).append(" HTTP/1.1\r\n");
add_field(req_buff, "Host", m_host_buff);
add_field(req_buff, "Content-Length", std::to_string(body.size()));
Expand All @@ -265,29 +255,21 @@ namespace net_utils
for(const auto& field : additional_params)
add_field(req_buff, field);

for (unsigned sends = 0; sends < 2; ++sends)
{
const std::size_t initial_size = req_buff.size();
const auto auth = m_auth.get_auth_field(method, uri);
if (auth)
add_field(req_buff, *auth);

req_buff += "\r\n";
//--

if (do_copy_body) // small body
{
// Copy headers + body together and potentially send one fewer packet
req_buff.append(body.data(), body.size());
const bool res = m_net_client.send(req_buff, timeout);
CHECK_AND_ASSERT_MES(res, false, "HTTP_CLIENT: Failed to SEND");
}
else // large body
{
// Send headers and body seperately to avoid copying heavy body message
bool res = m_net_client.send(req_buff, timeout);
CHECK_AND_ASSERT_MES(res, false, "HTTP_CLIENT: Failed to SEND");
bool res = m_net_client.send(req_buff, timeout);
CHECK_AND_ASSERT_MES(res, false, "HTTP_CLIENT: Failed to SEND");
if(body.size())
res = m_net_client.send(body, timeout);
CHECK_AND_ASSERT_MES(res, false, "HTTP_CLIENT: Failed to SEND");
}
CHECK_AND_ASSERT_MES(res, false, "HTTP_CLIENT: Failed to SEND");

m_response_info.clear();
m_state = reciev_machine_state_header;
Expand All @@ -300,11 +282,19 @@ namespace net_utils
return true;
}

if (m_auth.handle_401(m_response_info) == http_client_auth::kParseFailure)
switch (m_auth.handle_401(m_response_info))
{
case http_client_auth::kSuccess:
break;
case http_client_auth::kBadPassword:
sends = 2;
break;
default:
case http_client_auth::kParseFailure:
LOG_ERROR("Bad server response for authentication");
return false;
}
req_buff.resize(initial_size); // rollback for new auth generation
}
LOG_ERROR("Client has incorrect username/password for server requiring authentication");
return false;
Expand Down