MXS-2008 Move Worker and MessageQueue to maxbase

maxutils/maxbase/src/test/test_worker.cc

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2016 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2022-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+
+#include <iostream>
+#include <maxbase/assert.h>
+#include <maxbase/log.hh>
+#include <maxbase/worker.hh>
+
+using namespace maxbase;
+using namespace std;
+
+namespace
+{
+
+// TODO: Put this in some common place.
+int64_t get_monotonic_time_ms()
+{
+    struct timespec ts;
+    MXB_AT_DEBUG(int rv =) clock_gettime(CLOCK_MONOTONIC, &ts);
+    mxb_assert(rv == 0);
+
+    return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+}
+
+class TimerTest
+{
+public:
+    static int s_ticks;
+
+    TimerTest(Worker* pWorker, int* pRv, int32_t delay)
+        : m_id(s_id++)
+        , m_worker(*pWorker)
+        , m_delay(delay)
+        , m_at(get_monotonic_time_ms() + delay)
+        , m_rv(*pRv)
+    {
+    }
+
+    int32_t delay() const
+    {
+        return m_delay;
+    }
+
+    bool tick(Worker::Call::action_t action)
+    {
+        bool rv = false;
+
+        if (action == Worker::Call::EXECUTE)
+        {
+            int64_t now = get_monotonic_time_ms();
+            int64_t diff = abs(now - m_at);
+
+            cout << m_id << ": " << diff << endl;
+
+            if (diff > 50)
+            {
+                cout << "Error: Difference between expected and happened > 50: " << diff << endl;
+                m_rv = EXIT_FAILURE;
+            }
+
+            m_at += m_delay;
+
+            if (--s_ticks < 0)
+            {
+                m_worker.shutdown();
+            }
+
+            rv = true;
+        }
+
+        return rv;
+    }
+
+private:
+    static int s_id;
+
+    int     m_id;
+    Worker& m_worker;
+    int32_t m_delay;
+    int64_t m_at;
+    int&    m_rv;
+};
+
+int TimerTest::s_id = 1;
+int TimerTest::s_ticks;
+
+int run()
+{
+    int rv = EXIT_SUCCESS;
+
+    TimerTest::s_ticks = 100;
+
+    Worker w;
+
+    TimerTest t1(&w, &rv, 200);
+    TimerTest t2(&w, &rv, 300);
+    TimerTest t3(&w, &rv, 400);
+    TimerTest t4(&w, &rv, 500);
+    TimerTest t5(&w, &rv, 600);
+
+    w.delayed_call(t1.delay(), &TimerTest::tick, &t1);
+    w.delayed_call(t2.delay(), &TimerTest::tick, &t2);
+    w.delayed_call(t3.delay(), &TimerTest::tick, &t3);
+    w.delayed_call(t4.delay(), &TimerTest::tick, &t4);
+    w.delayed_call(t5.delay(), &TimerTest::tick, &t5);
+
+    w.run();
+
+    return EXIT_SUCCESS;
+}
+
+}
+
+int main()
+{
+    mxb::Log log(MXB_LOG_TARGET_STDOUT);
+
+    maxbase::MessageQueue::init();
+    maxbase::Worker::init();
+
+    return run();
+}