Modified TestTimer

TestTimer.cc

+/* 
+ * File:   TestTimer.cc
+ * Author: Jiachen Chen
+ * 
+ * Created on April 30, 2019, 4:24 AM
+ */
+
+#include "TestTimer.hh"
+#include <click/timestamp.hh>
+
+CLICK_DECLS
+
+#define TIMER_DEBUG
+        
+#ifdef TIMER_DEBUG
+#define DEBUG(...) _DEBUG(__VA_ARGS__, "dummy")
+#define _DEBUG(fmt, ...) printf("[%s.%s():%d] " fmt "%.0s\n", \
+                class_name(), __func__, __LINE__, __VA_ARGS__)
+#define DEBUG_NO_CLASS(...) _DEBUG_NO_CLASS(__VA_ARGS__, "dummy")
+#define _DEBUG_NO_CLASS(fmt, ...) printf("[%s():%d] " fmt "%.0s\n", \
+                __func__, __LINE__, __VA_ARGS__)
+#else
+#define DEBUG(...)
+#endif
+
+static void runPacketTimeout(Timer *timer, void *user_data);
+
+struct TimeoutData {
+    Packet *p;
+    TestTimer *element;
+};
+
+
+TestTimer::TestTimer() : _timer(this) {
+}
+
+TestTimer::~TestTimer() = default;
+
+int TestTimer::initialize(ErrorHandler* errh __attribute ((__unused__))) {
+    _timer.initialize(this);
+    _timer.schedule_after_sec(5);
+    return 0;
+}
+
+
+void TestTimer::push(int port, Packet* p) {
+    (void) port;
+    struct TimeoutData *data = new TimeoutData{p, this};
+    DEBUG("push, data=%p, pkt=%p", data, p);
+    Timer *t = new Timer(runPacketTimeout, data);
+    t->initialize(this);
+//    t->initialize(this);
+    t->schedule_after_msec(1500);
+}
+
+void TestTimer::run_timer(Timer* timer) {
+    DEBUG(">>> Element timer, timer=%p", timer);
+    timer->reschedule_after_sec(5);
+}
+
+void TestTimer::handle_timeout(Packet* p) {
+    DEBUG("timeout, pkt=%p", p);
+    p->kill();
+}
+
+
+static void runPacketTimeout(Timer *timer, void *user_data) {
+    DEBUG_NO_CLASS("Static run timer function, timer=%p, data=%p", timer, user_data);
+    timer->clear();
+    delete timer;
+    struct TimeoutData *d = static_cast<struct TimeoutData *>(user_data);
+    d->element->handle_timeout(d->p);
+    delete d;
+}
+
+CLICK_ENDDECLS
+
+EXPORT_ELEMENT(TestTimer)
\ No newline at end of file

TestTimer.click

+require(package "click_for_comnet");
+
+test :: TestTimer;
+
+TimedSource(INTERVAL 1s, DATA "HELLO", LIMIT 10, STOP false)
+	-> test;

TestTimer.hh

+/* 
+ * File:   TestTimer.hh
+ * Author: Jiachen Chen
+ *
+ * Created on April 30, 2019, 4:24 AM
+ */
+
+#ifndef TESTTIMER_HH
+#define TESTTIMER_HH
+
+#include <click/config.h>
+#include <click/element.hh>
+#include <click/glue.hh>
+#include <click/timer.hh>
+
+CLICK_DECLS
+
+class TestTimer : public Element {
+public:
+    TestTimer();
+    ~TestTimer();
+
+
+    const char* class_name() const { return "TestTimer"; }
+    const char* processing() const { return PUSH; }
+    const char* port_count() const { return "-1/0"; }
+
+    int initialize(ErrorHandler* errh) override;
+    
+    void push(int port, Packet* p);
+    void run_timer(Timer* timer) override;
+
+    void handle_timeout(Packet *p);
+    
+private:
+    Timer _timer;
+};
+
+CLICK_ENDDECLS
+
+#endif /* TESTTIMER_HH */
+