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// Copyright (c) 2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <zmq/zmqrpc.h>
#include <rpc/server.h>
#include <rpc/util.h>
#include <zmq/zmqabstractnotifier.h>
#include <zmq/zmqnotificationinterface.h>
#include <univalue.h>
namespace {
UniValue getzmqnotifications(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 0) {
throw std::runtime_error(
"getzmqnotifications\n"
"\nReturns information about the active ZeroMQ notifications.\n"
"\nResult:\n"
"[\n"
" { (json object)\n"
" \"type\": \"pubhashtx\", (string) Type of notification\n"
" \"address\": \"...\", (string) Address of the publisher\n"
" \"hwm\": n (numeric) Outbound message high water mark\n"
" },\n"
" ...\n"
"]\n"
"\nExamples:\n"
+ HelpExampleCli("getzmqnotifications", "")
+ HelpExampleRpc("getzmqnotifications", "")
);
}
UniValue result(UniValue::VARR);
if (g_zmq_notification_interface != nullptr) {
for (const auto* n : g_zmq_notification_interface->GetActiveNotifiers()) {
UniValue obj(UniValue::VOBJ);
obj.pushKV("type", n->GetType());
obj.pushKV("address", n->GetAddress());
obj.pushKV("hwm", n->GetOutboundMessageHighWaterMark());
result.push_back(obj);
}
}
return result;
}
const CRPCCommand commands[] =
{ // category name actor (function) argNames
// ----------------- ------------------------ ----------------------- ----------
{ "zmq", "getzmqnotifications", &getzmqnotifications, {} },
};
} // anonymous namespace
void RegisterZMQRPCCommands(CRPCTable& t)
{
for (const auto& c : commands) {
t.appendCommand(c.name, &c);
}
}
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