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Changing Buffer Sizes for JSON List Command (#159)

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This commit is contained in:
Udith Indrakantha
2022-07-15 16:42:29 +05:30
committed by GitHub
parent bcf741b5d0
commit 0c267b0873
5 changed files with 67 additions and 15 deletions
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10
src/msg/json/msg_json.cpp
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@@ -11,6 +11,7 @@ namespace msg::json
constexpr const char *DOUBLE_QUOTE = "\"";
constexpr uint16_t MOMENT_SIZE = 900; // XRP ledgers per Moment.
constexpr uint16_t LEDGER_TIME_APPROX = 4000; // Approx. milliseconds per XRP ledger.
constexpr uint16_t INSTANCE_INFO_SIZE = 488; // Size of a single instance info
/**
* Parses a json message sent by the message board.
* @param d Jsoncons document to which the parsed json should be loaded.
@@ -576,7 +577,8 @@ namespace msg::json
*/
void build_response(std::string &msg, std::string_view response_type, std::string_view content, const bool json_content)
{
msg.reserve(1024);
// Extra 40 bytes added for the other data included, in addition to the content here
msg.reserve(content.length() + 40);
msg += "{\"";
msg += msg::FLD_TYPE;
msg += SEP_COLON;
@@ -663,7 +665,9 @@ namespace msg::json
*/
void build_list_response(std::string &msg, const std::vector<hp::instance_info> &instances, const std::vector<hp::lease_info> &leases)
{
msg.reserve(1024);
const uint32_t message_size = (INSTANCE_INFO_SIZE * instances.size()) + 3;
msg.reserve(message_size);
msg += "[";
for (size_t i = 0; i < instances.size(); i++)
{
@@ -775,4 +779,4 @@ namespace msg::json
msg += std::to_string(instance.assigned_ports.user_port);
msg += "}";
}
} // namespace msg::json
} // namespace msg::json