1 files changed, 124 insertions, 0 deletions
diff --git a/src/test/test_stress_watch.cc b/src/test/test_stress_watch.cc
new file mode 100644
index 00000000..003fc2b0
--- /dev/null
+++ b/src/test/test_stress_watch.cc
@@ -0,0 +1,124 @@
+#include "include/rados/librados.h"
+#include "include/rados/librados.hpp"
+#include "include/utime.h"
+#include "common/Thread.h"
+#include "common/Clock.h"
+#include "test/librados/test_cxx.h"
+
+#include "gtest/gtest.h"
+#include <semaphore.h>
+#include <errno.h>
+#include <map>
+#include <sstream>
+#include <iostream>
+#include <string>
+#include <atomic>
+
+#include "test/librados/testcase_cxx.h"
+
+
+using namespace librados;
+using std::map;
+using std::ostringstream;
+using std::string;
+
+static sem_t *sem;
+static std::atomic<bool> stop_flag = { false };
+
+class WatchNotifyTestCtx : public WatchCtx
+{
+public:
+    void notify(uint8_t opcode, uint64_t ver, bufferlist& bl) override
+    {
+      sem_post(sem);
+    }
+};
+
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+struct WatcherUnwatcher : public Thread {
+  string pool;
+  explicit WatcherUnwatcher(string& _pool) : pool(_pool) {}
+
+  void *entry() override {
+    Rados cluster;
+    connect_cluster_pp(cluster);
+    while (!stop_flag) {
+      IoCtx ioctx;
+      cluster.ioctx_create(pool.c_str(), ioctx);
+
+      uint64_t handle;
+      WatchNotifyTestCtx watch_ctx;
+      int r = ioctx.watch("foo", 0, &handle, &watch_ctx);
+      if (r == 0)
+        ioctx.unwatch("foo", handle);
+      ioctx.close();
+    }
+    return NULL;
+  }
+};
+
+typedef RadosTestParamPP WatchStress;
+
+INSTANTIATE_TEST_CASE_P(WatchStressTests, WatchStress,
+			::testing::Values("", "cache"));
+
+TEST_P(WatchStress, Stress1) {
+  ASSERT_NE(SEM_FAILED, (sem = sem_open("test_stress_watch", O_CREAT, 0644, 0)));
+  Rados ncluster;
+  std::string pool_name = get_temp_pool_name();
+  ASSERT_EQ("", create_one_pool_pp(pool_name, ncluster));
+  IoCtx nioctx;
+  ncluster.ioctx_create(pool_name.c_str(), nioctx);
+  WatchNotifyTestCtx ctx;
+
+  WatcherUnwatcher *thr = new WatcherUnwatcher(pool_name);
+  thr->create("watcher_unwatch");
+  ASSERT_EQ(0, nioctx.create("foo", false));
+
+  for (unsigned i = 0; i < 75; ++i) {
+    std::cerr << "Iteration " << i << std::endl;
+    uint64_t handle;
+    Rados cluster;
+    IoCtx ioctx;
+    WatchNotifyTestCtx ctx;
+
+    connect_cluster_pp(cluster);
+    cluster.ioctx_create(pool_name.c_str(), ioctx);
+    ASSERT_EQ(0, ioctx.watch("foo", 0, &handle, &ctx));
+
+    bool do_blacklist = i % 2;
+    if (do_blacklist) {
+      cluster.test_blacklist_self(true);
+      std::cerr << "blacklisted" << std::endl;
+      sleep(1);
+    }
+
+    bufferlist bl2;
+    ASSERT_EQ(0, nioctx.notify("foo", 0, bl2));
+
+    if (do_blacklist) {
+      sleep(1); // Give a change to see an incorrect notify
+    } else {
+      TestAlarm alarm;
+      sem_wait(sem);
+    }
+
+    if (do_blacklist) {
+      cluster.test_blacklist_self(false);
+    }
+
+    ioctx.unwatch("foo", handle);
+    ioctx.close();
+  }
+  stop_flag = true;
+  thr->join();
+  nioctx.close();
+  ASSERT_EQ(0, destroy_one_pool_pp(pool_name, ncluster));
+  sem_close(sem);
+}
+
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic warning "-Wpragmas"