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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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18
src/unl.cpp
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@@ -3,6 +3,7 @@
#include "conf.hpp"
#include "unl.hpp"
#include "crypto.hpp"
#include "status.hpp"
/**
* Manages the UNL public keys of this node.
@@ -23,7 +24,8 @@ namespace unl
return -1;
std::unique_lock lock(unl_mutex);
update_unl_list(conf::cfg.contract.unl);
merge_latest_unl_config();
status::init_unl(conf::cfg.contract.unl);
return 0;
}
@@ -68,15 +70,13 @@ namespace unl
bool is_unl_list_changed = false;
{
std::unique_lock lock(unl_mutex);
is_unl_list_changed = update_unl_list(conf::cfg.contract.unl);
is_unl_list_changed = merge_latest_unl_config();
}
// Update the is_unl flag of peer sessions.
// Broadcast changed unl list to all the connected users.
if (is_unl_list_changed)
{
p2p::update_unl_connections();
usr::announce_unl_list(conf::cfg.contract.unl);
p2p::update_unl_connections(); // Update the is_unl flag of peer sessions.
status::unl_changed(conf::cfg.contract.unl); // Update the central node status holder.
}
}
@@ -141,10 +141,10 @@ namespace unl
}
/**
* Updates the unl list using the provided new list.
* Updates the unl list using the latest config unl.
* @return Whether or not any unl list changes were made.
*/
bool update_unl_list(const std::set<std::string> &new_list)
bool merge_latest_unl_config()
{
bool changes_made = false;
@@ -176,7 +176,7 @@ namespace unl
return false;
// Update the prepared json list which will be fed into contract args.
json_list = prepare_json_list(new_list);
json_list = prepare_json_list(conf::cfg.contract.unl);
// Update the own node's unl status.
conf::cfg.node.is_unl = (list.count(conf::cfg.node.public_key) == 1);