Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/52#discussion_r102284495
--- Diff: libminifi/src/gps/GetGPS.cpp ---
@@ -0,0 +1,158 @@
+/**
+ * @file GetGPS.cpp
+ * GetGPS class implementation
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vector>
+#include <queue>
+#include <map>
+#include <set>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <sstream>
+#include <stdio.h>
+#include <string>
+#include <iostream>
+#include <dirent.h>
+#include <limits.h>
+#include <unistd.h>
+#include <regex>
+
+#include "TimeUtil.h"
+#include "GetGPS.h"
+#include "ProcessContext.h"
+#include "ProcessSession.h"
+
+#include <libgpsmm.h>
+
+using namespace std;
+
+const std::string GetGPS::ProcessorName("GetGPS");
+Relationship GetGPS::Success("success", "All files are routed to success");
+Property GetGPS::GPSDHost("GPSD Host", "The host running the GPSD daemon",
"localhost");
+Property GetGPS::GPSDPort("GPSD Port", "The GPSD daemon port", "2947");
+Property GetGPS::GPSDWaitTime("GPSD Wait Time", "Timeout value for waiting
for data from the GPSD instance", "50000000");
+void GetGPS::initialize()
+{
+ //! Set the supported properties
+ std::set<Property> properties;
+ setSupportedProperties(properties);
+ //! Set the supported relationships
+ std::set<Relationship> relationships;
+ relationships.insert(Success);
+ setSupportedRelationships(relationships);
+}
+
+void GetGPS::onTrigger(ProcessContext *context, ProcessSession *session)
+{
+ try
+ {
+
+ std::string value;
+
+ _logger->log_debug("onTrigger GetGPS");
+ if (context->getProperty(GPSDHost.getName(), value))
+ {
+ _gpsdHost = value;
+ }
+
+ if (context->getProperty(GPSDPort.getName(), value))
+ {
+ _gpsdPort = value;
+ }
+
+ if (context->getProperty(GPSDWaitTime.getName(), value))
+ {
+ Property::StringToInt(value, _gpsdWaitTime);
+ }
+
+ gpsmm gps_rec(_gpsdHost.c_str(), _gpsdPort.c_str());
+
+ if (gps_rec.stream(WATCH_ENABLE|WATCH_JSON) == NULL) {
+ _logger->log_error("No GPSD running.");
+ return;
+ }
+
+ for (;;) {
--- End diff --
Could you wait on a condition in case this processor is forced shutdown.
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