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Status tracking infrastructure. (#317)

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* Added node's current status information tracker.
* Used the status tracker for responding to status messages.
* Used change-event notifications to broadcast UNL change event.
This commit is contained in:
Ravin Perera
2021-06-04 15:08:10 +05:30
committed by GitHub
parent 07962bc3d5
commit 33bd63ac64
34 changed files with 414 additions and 211 deletions
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32
src/msg/bson/usrmsg_bson.cpp
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@@ -1,10 +1,11 @@
#include "../../conf.hpp"
#include "../../p2p/p2p.hpp"
#include "../../pchheader.hpp"
#include "../../util/version.hpp"
#include "../../util/util.hpp"
#include "../../util/sequence_hash.hpp"
#include "../../hplog.hpp"
#include "../../ledger/ledger_query.hpp"
#include "../../status.hpp"
#include "../usrmsg_common.hpp"
#include "usrmsg_bson.hpp"
@@ -20,8 +21,11 @@ namespace msg::usrmsg::bson
* "ledger_hash": <binary lcl hash>
* }
*/
void create_status_response(std::vector<uint8_t> &msg, const uint64_t lcl_seq_no, std::string_view lcl_hash)
void create_status_response(std::vector<uint8_t> &msg)
{
const util::sequence_hash lcl_id = status::get_lcl_id();
const std::set<std::string> unl = status::get_unl();
jsoncons::bson::bson_bytes_encoder encoder(msg);
encoder.begin_object();
encoder.key(msg::usrmsg::FLD_TYPE);
@@ -29,9 +33,9 @@ namespace msg::usrmsg::bson
encoder.key(msg::usrmsg::FLD_HP_VERSION);
encoder.string_value(version::HP_VERSION);
encoder.key(msg::usrmsg::FLD_LEDGER_SEQ_NO);
encoder.int64_value(lcl_seq_no);
encoder.int64_value(lcl_id.seq_no);
encoder.key(msg::usrmsg::FLD_LEDGER_HASH);
encoder.byte_string_value(lcl_hash);
encoder.byte_string_value(lcl_id.hash.to_string_view());
encoder.key(msg::usrmsg::FLD_ROUND_TIME);
encoder.uint64_value(conf::cfg.contract.roundtime);
encoder.key(msg::usrmsg::FLD_CONTARCT_EXECUTION_ENABLED);
@@ -43,27 +47,21 @@ namespace msg::usrmsg::bson
encoder.key(msg::usrmsg::FLD_CURRENT_UNL);
encoder.begin_array();
for (std::string_view unl : conf::cfg.contract.unl)
encoder.byte_string_value(unl);
for (std::string_view pubkey : unl)
encoder.byte_string_value(pubkey);
encoder.end_array();
encoder.key(msg::usrmsg::FLD_PEERS);
{
std::scoped_lock<std::mutex> lock(p2p::ctx.peer_connections_mutex);
const size_t max_peers_count = MIN(MAX_KNOWN_PEERS_INFO, p2p::ctx.peer_connections.size());
const std::set<conf::peer_ip_port> peers = status::get_peers();
const size_t max_peers_count = MIN(MAX_KNOWN_PEERS_INFO, peers.size());
size_t count = 1;
encoder.begin_array();
// Currently all peers, up to a max of 10 are sent regardless of state.
for (auto peer = p2p::ctx.peer_connections.begin(); peer != p2p::ctx.peer_connections.end() && count <= max_peers_count; peer++)
for (auto peer = peers.begin(); peer != peers.end() && count <= max_peers_count; peer++)
{
const p2p::peer_comm_session *sess = peer->second;
if (sess->known_ipport)
{
encoder.string_value(sess->known_ipport->to_string());
count++;
}
encoder.string_value(peer->to_string());
count++;
}
encoder.end_array();
}