buffer multiple files

src/hurricanedata/worker.cpp

@@ -0,0 +1,49 @@
+#include "worker.h"
+#include <iostream>
+
+using namespace std;
+
+Worker::Worker(): workerRunning(false) {
+    ioworker = thread([this]() { jobRunner(); });
+}
+
+void Worker::enqueueJob(Job job) {
+    {
+        lock_guard<mutex> lk(queuecv_m);
+        jobs.push(move(job));
+    }
+    queuecv.notify_all();
+}
+
+void Worker::jobRunner() {
+    workerRunning = true;
+    while(workerRunning) {
+        Job job;
+        {
+            unique_lock<mutex> lk(queuecv_m);
+            queuecv.wait(lk, [this]{ return !workerRunning || !jobs.empty(); });
+            if (!workerRunning) {
+                return;
+            }
+
+            job = move(jobs.front());
+            jobs.pop();
+        }
+
+        job();
+    }
+}
+
+void Worker::stop() {
+    if (workerRunning == false) return;
+    {
+        lock_guard<mutex> lk(queuecv_m);
+        workerRunning = false;
+    }
+    queuecv.notify_all();
+    ioworker.join();
+}
+
+Worker::~Worker() {
+    stop();
+}