passing object info information with redis module (#138)

* adding object broadcast channel; published on each object table add

* publishing data size to the bcast channel

* bug fix: objectkey

* update object tests to test for data size: C + py

* remove debug

* clang format

* Minor changes.

* Fix error.

* merging with Robert's comments

* clang format for the object table test upgrade

src/common/state/object_table.h

@@ -19,6 +19,14 @@ typedef void (*object_table_lookup_done_callback)(
     OWNER const char *manager_vector[],
     void *user_context);
 
+/* Callback called when object object_id is available. */
+typedef void (*object_table_object_available_callback)(
+    object_id object_id,
+    int64_t data_size,
+    int manager_count,
+    OWNER const char *manager_vector[],
+    void *user_context);
+
 /**
  *  Return the list of nodes storing object_id in their plasma stores.
  *
@@ -97,10 +105,6 @@ void object_table_remove(db_handle *db,
  *  ==== Subscribe to be announced when new object available ====
  */
 
-/* Callback called when object object_id is available. */
-typedef object_table_lookup_done_callback
-    object_table_object_available_callback;
-
 /**
  * Set up a client-specific channel for receiving notifications about available
  * objects from the object table. The callback will be called once per
@@ -120,6 +124,7 @@ typedef object_table_lookup_done_callback
  */
 void object_table_subscribe_to_notifications(
     db_handle *db_handle,
+    bool subscribe_all,
     object_table_object_available_callback object_available_callback,
     void *subscribe_context,
     retry_info *retry,
@@ -153,6 +158,7 @@ typedef struct {
 /** Data that is needed to register new object available callbacks with the
  *  state database. */
 typedef struct {
+  bool subscribe_all;
   object_table_object_available_callback object_available_callback;
   void *subscribe_context;
 } object_table_subscribe_data;