Github user benqiu2016 commented on a diff in the pull request: https://github.com/apache/nifi-minifi-cpp/pull/114#discussion_r123527427 --- Diff: libminifi/src/RemoteProcessorGroupPort.cpp --- @@ -54,19 +57,29 @@ bool create = true) { std::unique_ptr<Site2SiteClientProtocol> nextProtocol = nullptr; if (!available_protocols_.try_dequeue(nextProtocol)) { if (create) { + refreshPeerList(); // create - nextProtocol = std::unique_ptr<Site2SiteClientProtocol>(new Site2SiteClientProtocol(nullptr)); - nextProtocol->setPortId(protocol_uuid_); - std::unique_ptr<org::apache::nifi::minifi::io::DataStream> str = std::unique_ptr<org::apache::nifi::minifi::io::DataStream>(stream_factory_->createSocket(host_, port_)); - std::unique_ptr<Site2SitePeer> peer_ = std::unique_ptr<Site2SitePeer>(new Site2SitePeer(std::move(str), host_, port_)); - nextProtocol->setPeer(std::move(peer_)); + for (auto peer : site2site_peer_status_list_) { + std::unique_ptr<Site2SiteClientProtocol> protocol = nullptr; + protocol = std::unique_ptr < Site2SiteClientProtocol + > (new Site2SiteClientProtocol(nullptr)); + protocol->setPortId(protocol_uuid_); + std::unique_ptr<org::apache::nifi::minifi::io::DataStream> str = + std::unique_ptr < org::apache::nifi::minifi::io::DataStream + > (stream_factory_->createSocket(peer.host_, peer.port_)); + std::unique_ptr<Site2SitePeer> peer_ = std::unique_ptr < Site2SitePeer + > (new Site2SitePeer(std::move(str), peer.host_, peer.port_)); + protocol->setPeer(std::move(peer_)); + returnProtocol(std::move(protocol)); + } } + available_protocols_.try_dequeue(nextProtocol); } return std::move(nextProtocol); } void RemoteProcessorGroupPort::returnProtocol(std::unique_ptr<Site2SiteClientProtocol> return_protocol) { - if (available_protocols_.size_approx() >= max_concurrent_tasks_) { + if (available_protocols_.size_approx() >= (max_concurrent_tasks_ * site2site_peer_status_list_.size())) { --- End diff -- i need to round robin the peer even for a single thread to distribute the load cross all peers.
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