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Use byte_slice for sending zmq messages - removes data copy within zmq

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This commit is contained in:
Lee Clagett 2019-11-17 06:06:10 +00:00
parent 378cdeaeae
commit da99157462
11 changed files with 138 additions and 27 deletions
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14
src/rpc/daemon_handler.cpp
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@ -33,6 +33,7 @@
#include <stdexcept>
#include <boost/uuid/nil_generator.hpp>
#include <boost/utility/string_ref.hpp>
// likely included by daemon_handler.h's includes,
// but including here for clarity
#include "cryptonote_core/cryptonote_core.h"
@ -48,7 +49,7 @@ namespace rpc
{
namespace
{
using handler_function = std::string(DaemonHandler& handler, const rapidjson::Value& id, const rapidjson::Value& msg);
using handler_function = epee::byte_slice(DaemonHandler& handler, const rapidjson::Value& id, const rapidjson::Value& msg);
struct handler_map
{
const char* method_name;
@ -66,7 +67,7 @@ namespace rpc
}
template<typename Message>
std::string handle_message(DaemonHandler& handler, const rapidjson::Value& id, const rapidjson::Value& parameters)
epee::byte_slice handle_message(DaemonHandler& handler, const rapidjson::Value& id, const rapidjson::Value& parameters)
{
typename Message::Request request{};
request.fromJson(parameters);
@ -903,7 +904,7 @@ namespace rpc
return true;
}
std::string DaemonHandler::handle(const std::string& request)
epee::byte_slice DaemonHandler::handle(const std::string& request)
{
MDEBUG("Handling RPC request: " << request);
@ -916,8 +917,11 @@ namespace rpc
if (matched_handler == std::end(handlers) || matched_handler->method_name != request_type)
return BAD_REQUEST(request_type, req_full.getID());
std::string response = matched_handler->call(*this, req_full.getID(), req_full.getMessage());
MDEBUG("Returning RPC response: " << response);
epee::byte_slice response = matched_handler->call(*this, req_full.getID(), req_full.getMessage());
const boost::string_ref response_view{reinterpret_cast<const char*>(response.data()), response.size()};
MDEBUG("Returning RPC response: " << response_view);
return response;
}
catch (const std::exception& e)