added info_hash to torrent_deleted_alert

ChangeLog

@@ -96,6 +96,7 @@
 	* improved fallocate support
 	* fixed magnet link issue when using resume data
 	* support disk I/O priority settings
+	* added info_hash to torrent_deleted_alert
 
 release 0.14.9
 

bindings/python/src/alert.cpp

@@ -173,7 +173,9 @@ void bind_alert()
 
     class_<torrent_deleted_alert, bases<torrent_alert>, noncopyable>(
         "torrent_deleted_alert", no_init
-    );
+    )
+        .def_readonly("info_hash", &torrent_deleted_alert::info_hash)
+    ;
 
     class_<torrent_paused_alert, bases<torrent_alert>, noncopyable>(
         "torrent_paused_alert", no_init

docs/manual.rst

@@ -483,7 +483,8 @@ the tracker that we've stopped participating in the swarm. The optional second a
 ``options`` can be used to delete all the files downloaded by this torrent. To do this, pass
 in the value ``session::delete_files``. The removal of the torrent is asyncronous, there is
 no guarantee that adding the same torrent immediately after it was removed will not throw
-a libtorrent_exception_ exception.
+a libtorrent_exception_ exception. Once the torrent is deleted, a torrent_deleted_alert_
+is posted.
 
 find_torrent() get_torrents()
 -----------------------------
@@ -5547,6 +5548,27 @@ The ``error_code`` tells you why it failed.
 		error_code error;
 	};
 
+torrent_deleted_alert
+---------------------
+
+This alert is generated when a request to delete the files of a torrent complete.
+
+The ``info_hash`` is the info-hash of the torrent that was just deleted. Most of
+the time the torrent_handle in the torrent_alert_ will be invalid by the time
+this alert arrives, since the torrent is being deleted. The ``info_hash`` member
+is hence the main way of identifying which torrent just completed the delete.
+
+This alert is posted in the ``storage_notification`` category, and that bit
+needs to be set in the alert mask.
+
+::
+
+	struct torrent_deleted_alert: torrent_alert
+	{
+		// ...
+		sha1_hash info_hash;
+	};
+
 torrent_finished_alert
 ----------------------
 

include/libtorrent/alert_types.hpp

@@ -669,13 +669,15 @@ namespace libtorrent
 	{
 		torrent_deleted_alert(torrent_handle const& h)
 			: torrent_alert(h)
-		{}
+		{ info_hash = h.info_hash(); }
 	
 		TORRENT_DEFINE_ALERT(torrent_deleted_alert);
 
 		const static int static_category = alert::storage_notification;
 		virtual std::string message() const
 		{ return torrent_alert::message() + " deleted"; }
+
+		sha1_hash info_hash;
 	};
 
 	struct TORRENT_EXPORT torrent_delete_failed_alert: torrent_alert