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-rw-r--r--src/test/TestTimers.cc285
1 files changed, 285 insertions, 0 deletions
diff --git a/src/test/TestTimers.cc b/src/test/TestTimers.cc
new file mode 100644
index 00000000..cf6ef4b5
--- /dev/null
+++ b/src/test/TestTimers.cc
@@ -0,0 +1,285 @@
+#include "common/ceph_argparse.h"
+#include "common/Mutex.h"
+#include "common/Timer.h"
+#include "global/global_init.h"
+
+#include <iostream>
+
+/*
+ * TestTimers
+ *
+ * Tests the timer classes
+ */
+#define MAX_TEST_CONTEXTS 5
+
+class TestContext;
+
+namespace
+{
+ int test_array[MAX_TEST_CONTEXTS];
+ int array_idx;
+ TestContext* test_contexts[MAX_TEST_CONTEXTS];
+
+ Mutex array_lock("test_timers_mutex");
+}
+
+class TestContext : public Context
+{
+public:
+ explicit TestContext(int num_)
+ : num(num_)
+ {
+ }
+
+ void finish(int r) override
+ {
+ array_lock.Lock();
+ cout << "TestContext " << num << std::endl;
+ test_array[array_idx++] = num;
+ array_lock.Unlock();
+ }
+
+ ~TestContext() override
+ {
+ }
+
+protected:
+ int num;
+};
+
+class StrictOrderTestContext : public TestContext
+{
+public:
+ explicit StrictOrderTestContext (int num_)
+ : TestContext(num_)
+ {
+ }
+
+ void finish(int r) override
+ {
+ array_lock.Lock();
+ cout << "StrictOrderTestContext " << num << std::endl;
+ test_array[num] = num;
+ array_lock.Unlock();
+ }
+
+ ~StrictOrderTestContext() override
+ {
+ }
+};
+
+static void print_status(const char *str, int ret)
+{
+ cout << str << ": ";
+ cout << ((ret == 0) ? "SUCCESS" : "FAILURE");
+ cout << std::endl;
+}
+
+template <typename T>
+static int basic_timer_test(T &timer, Mutex *lock)
+{
+ int ret = 0;
+ memset(&test_array, 0, sizeof(test_array));
+ array_idx = 0;
+ memset(&test_contexts, 0, sizeof(test_contexts));
+
+ cout << __PRETTY_FUNCTION__ << std::endl;
+
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ test_contexts[i] = new TestContext(i);
+ }
+
+
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ if (lock)
+ lock->Lock();
+ utime_t inc(2 * i, 0);
+ utime_t t = ceph_clock_now() + inc;
+ timer.add_event_at(t, test_contexts[i]);
+ if (lock)
+ lock->Unlock();
+ }
+
+ bool done = false;
+ do {
+ sleep(1);
+ array_lock.Lock();
+ done = (array_idx == MAX_TEST_CONTEXTS);
+ array_lock.Unlock();
+ } while (!done);
+
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ if (test_array[i] != i) {
+ ret = 1;
+ cout << "error: expected test_array[" << i << "] = " << i
+ << "; got " << test_array[i] << " instead." << std::endl;
+ }
+ }
+
+ return ret;
+}
+
+static int test_out_of_order_insertion(SafeTimer &timer, Mutex *lock)
+{
+ int ret = 0;
+ memset(&test_array, 0, sizeof(test_array));
+ array_idx = 0;
+ memset(&test_contexts, 0, sizeof(test_contexts));
+
+ cout << __PRETTY_FUNCTION__ << std::endl;
+
+ test_contexts[0] = new StrictOrderTestContext(0);
+ test_contexts[1] = new StrictOrderTestContext(1);
+
+ {
+ utime_t inc(100, 0);
+ utime_t t = ceph_clock_now() + inc;
+ lock->Lock();
+ timer.add_event_at(t, test_contexts[0]);
+ lock->Unlock();
+ }
+
+ {
+ utime_t inc(2, 0);
+ utime_t t = ceph_clock_now() + inc;
+ lock->Lock();
+ timer.add_event_at(t, test_contexts[1]);
+ lock->Unlock();
+ }
+
+ int secs = 0;
+ for (; secs < 100 ; ++secs) {
+ sleep(1);
+ array_lock.Lock();
+ int a = test_array[1];
+ array_lock.Unlock();
+ if (a == 1)
+ break;
+ }
+
+ if (secs == 100) {
+ ret = 1;
+ cout << "error: expected test_array[" << 1 << "] = " << 1
+ << "; got " << test_array[1] << " instead." << std::endl;
+ }
+
+ return ret;
+}
+
+static int safe_timer_cancel_all_test(SafeTimer &safe_timer, Mutex& safe_timer_lock)
+{
+ cout << __PRETTY_FUNCTION__ << std::endl;
+
+ int ret = 0;
+ memset(&test_array, 0, sizeof(test_array));
+ array_idx = 0;
+ memset(&test_contexts, 0, sizeof(test_contexts));
+
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ test_contexts[i] = new TestContext(i);
+ }
+
+ safe_timer_lock.Lock();
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ utime_t inc(4 * i, 0);
+ utime_t t = ceph_clock_now() + inc;
+ safe_timer.add_event_at(t, test_contexts[i]);
+ }
+ safe_timer_lock.Unlock();
+
+ sleep(10);
+
+ safe_timer_lock.Lock();
+ safe_timer.cancel_all_events();
+ safe_timer_lock.Unlock();
+
+ for (int i = 0; i < array_idx; ++i) {
+ if (test_array[i] != i) {
+ ret = 1;
+ cout << "error: expected test_array[" << i << "] = " << i
+ << "; got " << test_array[i] << " instead." << std::endl;
+ }
+ }
+
+ return ret;
+}
+
+static int safe_timer_cancellation_test(SafeTimer &safe_timer, Mutex& safe_timer_lock)
+{
+ cout << __PRETTY_FUNCTION__ << std::endl;
+
+ int ret = 0;
+ memset(&test_array, 0, sizeof(test_array));
+ array_idx = 0;
+ memset(&test_contexts, 0, sizeof(test_contexts));
+
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ test_contexts[i] = new StrictOrderTestContext(i);
+ }
+
+ safe_timer_lock.Lock();
+ for (int i = 0; i < MAX_TEST_CONTEXTS; ++i) {
+ utime_t inc(4 * i, 0);
+ utime_t t = ceph_clock_now() + inc;
+ safe_timer.add_event_at(t, test_contexts[i]);
+ }
+ safe_timer_lock.Unlock();
+
+ // cancel the even-numbered events
+ for (int i = 0; i < MAX_TEST_CONTEXTS; i += 2) {
+ safe_timer_lock.Lock();
+ safe_timer.cancel_event(test_contexts[i]);
+ safe_timer_lock.Unlock();
+ }
+
+ sleep(20);
+
+ safe_timer_lock.Lock();
+ safe_timer.cancel_all_events();
+ safe_timer_lock.Unlock();
+
+ for (int i = 1; i < array_idx; i += 2) {
+ if (test_array[i] != i) {
+ ret = 1;
+ cout << "error: expected test_array[" << i << "] = " << i
+ << "; got " << test_array[i] << " instead." << std::endl;
+ }
+ }
+
+ return ret;
+}
+
+int main(int argc, const char **argv)
+{
+ vector<const char*> args;
+ argv_to_vec(argc, argv, args);
+
+ auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+ CODE_ENVIRONMENT_UTILITY,
+ CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+ common_init_finish(g_ceph_context);
+
+ int ret;
+ Mutex safe_timer_lock("safe_timer_lock");
+ SafeTimer safe_timer(g_ceph_context, safe_timer_lock);
+
+ ret = basic_timer_test <SafeTimer>(safe_timer, &safe_timer_lock);
+ if (ret)
+ goto done;
+
+ ret = safe_timer_cancel_all_test(safe_timer, safe_timer_lock);
+ if (ret)
+ goto done;
+
+ ret = safe_timer_cancellation_test(safe_timer, safe_timer_lock);
+ if (ret)
+ goto done;
+
+ ret = test_out_of_order_insertion(safe_timer, &safe_timer_lock);
+ if (ret)
+ goto done;
+
+done:
+ print_status(argv[0], ret);
+ return ret;
+}
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