From: Haomai Wang <haomai@xsky.com>
Date: Mon, 15 Feb 2016 09:25:38 +0000 (+0800)
Subject: librados: add unittest for rados aio watch
X-Git-Tag: v10.1.0~321^2~9
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=569b121391b2995323b30fec32bef56d7259c38b;p=ceph.git

librados: add unittest for rados aio watch

Signed-off-by: Haomai Wang <haomai@xsky.com>
---

diff --git a/src/test/librados/watch_notify.cc b/src/test/librados/watch_notify.cc
index c191a38d6e9..da7956afc82 100644
--- a/src/test/librados/watch_notify.cc
+++ b/src/test/librados/watch_notify.cc
@@ -247,6 +247,35 @@ TEST_F(LibRadosWatchNotify, Watch2Delete) {
   rados_unwatch2(ioctx, handle);
 }
 
+TEST_F(LibRadosWatchNotify, AioWatchDelete) {
+  notify_io = ioctx;
+  notify_oid = "foo";
+  notify_err = 0;
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, notify_oid, buf, sizeof(buf), 0));
+
+
+  rados_completion_t comp;
+  ASSERT_EQ(0, rados_aio_create_completion(NULL, NULL, NULL, &comp));
+  rados_aio_watch(ioctx, notify_oid, comp, &handle,
+                  watch_notify2_test_cb, watch_notify2_test_errcb, NULL);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(comp));
+  ASSERT_EQ(0, rados_aio_get_return_value(comp));
+  rados_aio_release(comp);
+  ASSERT_EQ(0, rados_remove(ioctx, notify_oid));
+  int left = 300;
+  std::cout << "waiting up to " << left << " for disconnect notification ..."
+	    << std::endl;
+  while (notify_err == 0 && --left) {
+    sleep(1);
+  }
+  ASSERT_TRUE(left > 0);
+  ASSERT_EQ(-ENOTCONN, notify_err);
+  ASSERT_EQ(-ENOTCONN, rados_watch_check(ioctx, handle));
+  rados_unwatch2(ioctx, handle);
+}
+
 TEST_F(LibRadosWatchNotify, Watch2Timeout) {
   notify_io = ioctx;
   notify_oid = "foo";
@@ -378,6 +407,55 @@ TEST_F(LibRadosWatchNotify, WatchNotify2) {
   rados_unwatch2(ioctx, handle);
 }
 
+TEST_F(LibRadosWatchNotify, AioWatchNotify2) {
+  notify_io = ioctx;
+  notify_oid = "foo";
+  notify_cookies.clear();
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, notify_oid, buf, sizeof(buf), 0));
+
+  rados_completion_t comp;
+  ASSERT_EQ(0, rados_aio_create_completion(NULL, NULL, NULL, &comp));
+  rados_aio_watch(ioctx, notify_oid, comp, &handle,
+                  watch_notify2_test_cb, watch_notify2_test_errcb, NULL);
+  ASSERT_EQ(0, rados_aio_wait_for_complete(comp));
+  ASSERT_EQ(0, rados_aio_get_return_value(comp));
+  rados_aio_release(comp);
+
+  ASSERT_GT(rados_watch_check(ioctx, handle), 0);
+  char *reply_buf = 0;
+  size_t reply_buf_len;
+  ASSERT_EQ(0, rados_notify2(ioctx, notify_oid,
+			     "notify", 6, 300000,
+			     &reply_buf, &reply_buf_len));
+  bufferlist reply;
+  reply.append(reply_buf, reply_buf_len);
+  std::map<std::pair<uint64_t,uint64_t>, bufferlist> reply_map;
+  std::set<std::pair<uint64_t,uint64_t> > missed_map;
+  bufferlist::iterator reply_p = reply.begin();
+  ::decode(reply_map, reply_p);
+  ::decode(missed_map, reply_p);
+  ASSERT_EQ(1u, reply_map.size());
+  ASSERT_EQ(0u, missed_map.size());
+  ASSERT_EQ(1u, notify_cookies.size());
+  ASSERT_EQ(1u, notify_cookies.count(handle));
+  ASSERT_EQ(5u, reply_map.begin()->second.length());
+  ASSERT_EQ(0, strncmp("reply", reply_map.begin()->second.c_str(), 5));
+  ASSERT_GT(rados_watch_check(ioctx, handle), 0);
+  rados_buffer_free(reply_buf);
+
+  // try it on a non-existent object ... our buffer pointers
+  // should get zeroed.
+  ASSERT_EQ(-ENOENT, rados_notify2(ioctx, "doesnotexist",
+				   "notify", 6, 300000,
+				   &reply_buf, &reply_buf_len));
+  ASSERT_EQ((char*)0, reply_buf);
+  ASSERT_EQ(0u, reply_buf_len);
+
+  rados_unwatch2(ioctx, handle);
+}
+
 TEST_F(LibRadosWatchNotify, AioNotify) {
   notify_io = ioctx;
   notify_oid = "foo";
@@ -464,6 +542,46 @@ TEST_P(LibRadosWatchNotifyPP, WatchNotify2) {
   ioctx.unwatch2(handle);
 }
 
+TEST_P(LibRadosWatchNotifyPP, AioWatchNotify2) {
+  notify_oid = "foo";
+  notify_ioctx = &ioctx;
+  notify_cookies.clear();
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write(notify_oid, bl1, sizeof(buf), 0));
+
+  uint64_t handle;
+  WatchNotifyTestCtx2 ctx;
+  librados::AioCompletion *comp = cluster.aio_create_completion();
+  ASSERT_EQ(0, ioctx.aio_watch(notify_oid, comp, &handle, &ctx));
+  ASSERT_EQ(0, comp->wait_for_complete());
+  ASSERT_EQ(0, comp->get_return_value());
+  comp->release();
+
+  ASSERT_GT(ioctx.watch_check(handle), 0);
+  std::list<obj_watch_t> watches;
+  ASSERT_EQ(0, ioctx.list_watchers(notify_oid, &watches));
+  ASSERT_EQ(watches.size(), 1u);
+  bufferlist bl2, bl_reply;
+  ASSERT_EQ(0, ioctx.notify2(notify_oid, bl2, 300000, &bl_reply));
+  bufferlist::iterator p = bl_reply.begin();
+  std::map<std::pair<uint64_t,uint64_t>,bufferlist> reply_map;
+  std::set<std::pair<uint64_t,uint64_t> > missed_map;
+  ::decode(reply_map, p);
+  ::decode(missed_map, p);
+  ASSERT_EQ(1u, notify_cookies.size());
+  ASSERT_EQ(1u, notify_cookies.count(handle));
+  ASSERT_EQ(1u, reply_map.size());
+  ASSERT_EQ(5u, reply_map.begin()->second.length());
+  ASSERT_EQ(0, strncmp("reply", reply_map.begin()->second.c_str(), 5));
+  ASSERT_EQ(0u, missed_map.size());
+  ASSERT_GT(ioctx.watch_check(handle), 0);
+  ioctx.unwatch2(handle);
+}
+
+
 TEST_P(LibRadosWatchNotifyPP, AioNotify) {
   notify_oid = "foo";
   notify_ioctx = &ioctx;