Method call

src/ExtCmd.actor.cpp:302–308

struct PingCmd {
	static const char* name;
	static Future<Reference<ExtMsgReply>> call(Reference<ExtConnection> nmc,
	                                           Reference<ExtMsgQuery> query,
	                                           Reference<ExtMsgReply> reply) {
		reply->addDocument(BSON("ok" << 1.0));

		return reply;
	}
};
REGISTER_CMD(PingCmd, "ping");