From 2c0f1a3117ab862991c1ed04280908afccb5b656 Mon Sep 17 00:00:00 2001
From: Yehuda Sadeh <yehuda@redhat.com>
Date: Thu, 4 Aug 2016 13:00:53 -0700
Subject: [PATCH] rgw: log sync module gets source object's meta

Signed-off-by: Yehuda Sadeh <yehuda@redhat.com>
---
 src/rgw/rgw_sync_module.cc | 45 ++++++++++++++++++++++++++++++++++++--
 1 file changed, 43 insertions(+), 2 deletions(-)

diff --git a/src/rgw/rgw_sync_module.cc b/src/rgw/rgw_sync_module.cc
index dff66ad0c85ea..16c11450c9103 100644
--- a/src/rgw/rgw_sync_module.cc
+++ b/src/rgw/rgw_sync_module.cc
@@ -1,11 +1,52 @@
 #include "rgw_common.h"
 #include "rgw_coroutine.h"
+#include "rgw_cr_rados.h"
 #include "rgw_sync_module.h"
-// #include "rgw_sync.h"
 #include "rgw_data_sync.h"
+#include "rgw_boost_asio_yield.h"
 
 #define dout_subsys ceph_subsys_rgw
 
+class RGWLogStatRemoteObjCR : public RGWCoroutine {
+  RGWDataSyncEnv *sync_env;
+
+  RGWBucketInfo bucket_info;
+  rgw_obj_key key;
+
+  ceph::real_time mtime;
+  uint64_t size;
+  map<string, bufferlist> attrs;
+
+
+public:
+  RGWLogStatRemoteObjCR(RGWDataSyncEnv *_sync_env,
+                        RGWBucketInfo& _bucket_info, rgw_obj_key& _key) : RGWCoroutine(_sync_env->cct),
+                                                                          sync_env(_sync_env),
+                                                                          bucket_info(_bucket_info), key(_key) {
+  }
+
+  ~RGWLogStatRemoteObjCR() {}
+
+  int operate() {
+    reenter(this) {
+      yield {
+        call(new RGWStatRemoteObjCR(sync_env->async_rados, sync_env->store,
+                      sync_env->source_zone,
+                      bucket_info, key, &mtime, &size, &attrs));
+      }
+      if (retcode < 0) {
+        ldout(sync_env->cct, 0) << "RGWStatRemoteObjCR() returned " << retcode << dendl;
+        return set_cr_error(retcode);
+      }
+      ldout(sync_env->cct, 0) << "stat of remote obj: z=" << sync_env->source_zone
+                              << " b=" << bucket_info.bucket << " k=" << key << " size=" << size << " mtime=" << mtime
+                              << " attrs=" << attrs << dendl;
+      return set_cr_done();
+    }
+    return 0;
+  }
+};
+
 class RGWLogDataSyncModule : public RGWDataSyncModule {
   string prefix;
 public:
@@ -13,7 +54,7 @@ public:
 
   RGWCoroutine *sync_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, uint64_t versioned_epoch) override {
     ldout(sync_env->cct, 0) << prefix << ": SYNC_LOG: sync_object: b=" << bucket_info.bucket << " k=" << key << " versioned_epoch=" << versioned_epoch << dendl;
-    return NULL;
+    return new RGWLogStatRemoteObjCR(sync_env, bucket_info, key);
   }
   RGWCoroutine *remove_object(RGWDataSyncEnv *sync_env, RGWBucketInfo& bucket_info, rgw_obj_key& key, real_time& mtime, bool versioned, uint64_t versioned_epoch) override {
     ldout(sync_env->cct, 0) << prefix << ": SYNC_LOG: rm_object: b=" << bucket_info.bucket << " k=" << key << " mtime=" << mtime << " versioned=" << versioned << " versioned_epoch=" << versioned_epoch << dendl;
-- 
2.39.5