From 60627c9f24f5c322c59abee7c8e9e03a2b2ccf5a Mon Sep 17 00:00:00 2001
From: Lee Clagett <code@leeclagett.com>
Date: Fri, 29 May 2020 22:08:19 -0400
Subject: Switch to insitu parsing for ZMQ-JSON; GetBlocksFast reads 13%+
 faster

---
 src/rpc/message.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/rpc/message.cpp')

diff --git a/src/rpc/message.cpp b/src/rpc/message.cpp
index e4f17cef8..3aefbd76e 100644
--- a/src/rpc/message.cpp
+++ b/src/rpc/message.cpp
@@ -79,9 +79,12 @@ void Message::fromJson(const rapidjson::Value& val)
   GET_FROM_JSON_OBJECT(val, rpc_version, rpc_version);
 }
 
-FullMessage::FullMessage(const std::string& json_string, bool request)
+FullMessage::FullMessage(std::string&& json_string, bool request)
+  : contents(std::move(json_string)), doc()
 {
-  doc.Parse(json_string.c_str());
+  /* Insitu parsing does not copy data from `contents` to DOM,
+     accelerating string heavy content. */
+  doc.ParseInsitu(std::addressof(contents[0]));
   if (doc.HasParseError() || !doc.IsObject())
   {
     throw cryptonote::json::PARSE_FAIL();
-- 
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