Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/114#discussion_r123500565
--- Diff: libminifi/src/RemoteProcessorGroupPort.cpp ---
@@ -150,6 +147,87 @@ void
RemoteProcessorGroupPort::onTrigger(core::ProcessContext *context, core::Pr
return;
}
+void RemoteProcessorGroupPort::refreshRemoteSite2SiteInfo() {
+ if (this->host_.empty() || this->port_ == -1 || this->protocol_.empty())
+ return;
+
+ std::string fullUrl = this->protocol_ + this->host_ + ":" +
std::to_string(this->port_) + "/nifi-api/controller/";
+
+ this->site2site_port_ = -1;
+ CURL *http_session = curl_easy_init();
+
+ curl_easy_setopt(http_session, CURLOPT_URL, fullUrl.c_str());
+
+ utils::HTTPRequestResponse content;
+ curl_easy_setopt(http_session, CURLOPT_WRITEFUNCTION,
+ &utils::HTTPRequestResponse::recieve_write);
+
+ curl_easy_setopt(http_session, CURLOPT_WRITEDATA,
+ static_cast<void*>(&content));
+
+ CURLcode res = curl_easy_perform(http_session);
+
+ if (res == CURLE_OK) {
+ std::string response_body(content.data.begin(), content.data.end());
+ int64_t http_code = 0;
+ curl_easy_getinfo(http_session, CURLINFO_RESPONSE_CODE, &http_code);
+ char *content_type;
+ /* ask for the content-type */
+ curl_easy_getinfo(http_session, CURLINFO_CONTENT_TYPE, &content_type);
+
+ bool isSuccess = ((int32_t) (http_code / 100)) == 2
+ && res != CURLE_ABORTED_BY_CALLBACK;
+ bool body_empty = IsNullOrEmpty(content.data);
+
+ if (isSuccess && !body_empty) {
+ std::string controller = std::move(response_body);
+ logger_->log_debug("controller config %s", controller.c_str());
+ Json::Value value;
+ Json::Reader reader;
+ bool parsingSuccessful = reader.parse(controller, value);
+ if (parsingSuccessful && !value.empty()) {
+ Json::Value controllerValue = value["controller"];
+ if (!controllerValue.empty()) {
+ Json::Value port = controllerValue["remoteSiteListeningPort"];
+ if (!port.empty())
+ this->site2site_port_ = port.asInt();
+ Json::Value secure = controllerValue["siteToSiteSecure"];
+ if (!secure.empty())
+ this->site2site_secure_ = secure.asBool();
+ }
+ logger_->log_info("process group remote site2site port %d, is
secure %d", site2site_port_, site2site_secure_);
+ }
+ } else {
+ logger_->log_error("Cannot output body to content for
ProcessGroup::refreshRemoteSite2SiteInfo");
+ }
+ } else {
+ logger_->log_error(
+ "ProcessGroup::refreshRemoteSite2SiteInfo -- curl_easy_perform()
failed %s\n",
+ curl_easy_strerror(res));
+ }
+ curl_easy_cleanup(http_session);
+}
+
+void RemoteProcessorGroupPort::refreshPeerList() {
+ refreshRemoteSite2SiteInfo();
+ if (site2site_port_ == -1)
+ return;
+
+ this->site2site_peer_status_list_.clear();
+
+ std::unique_ptr < Site2SiteClientProtocol> protocol;
+ protocol = std::unique_ptr < Site2SiteClientProtocol
+ > (new Site2SiteClientProtocol(nullptr));
--- End diff --
why the need to create a new object each refresh?
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