include info-hash in torrent_status and post event when disk cache is fully flushed when deleting a torrent

docs/manual.rst

@@ -3368,6 +3368,8 @@ It contains the following fields::
 		int queue_position;
 		bool need_save_resume;
 		bool ip_filter_applies;
+
+		sha1_hash info_hash;
 	};
 
 ``handle`` is a handle to the torrent whose status the object represents.
@@ -3641,6 +3643,8 @@ was saved.
 ``ip_filter_applies`` is true if the session global IP filter applies
 to this torrent. This defaults to true.
 
+``info_hash`` is the info-hash of the torrent.
+
 peer_info
 =========
 
@@ -7046,6 +7050,8 @@ cache_flushed_alert
 This alert is posted when the disk cache has been flushed for a specific torrent
 as a result of a call to `flush_cache()`_. This alert belongs to the
 ``storage_notification`` category, which must be enabled to let this alert through.
+The alert is also posted when removing a torrent from the session, once the outstanding
+cache flush is complete and the torrent does no longer have any files open.
 
 ::
 

include/libtorrent/torrent.hpp

@@ -833,7 +833,6 @@ namespace libtorrent
 
 		void on_files_deleted(int ret, disk_io_job const& j);
 		void on_files_released(int ret, disk_io_job const& j);
-		void on_torrent_aborted(int ret, disk_io_job const& j);
 		void on_torrent_paused(int ret, disk_io_job const& j);
 		void on_storage_moved(int ret, disk_io_job const& j);
 		void on_save_resume_data(int ret, disk_io_job const& j);

include/libtorrent/torrent_handle.hpp

@@ -478,6 +478,7 @@ namespace libtorrent
 			, queue_position(0)
 			, need_save_resume(false)
 			, ip_filter_applies(true)
+			, info_hash(0)
 		{}
 
 		// handle to the torrent
@@ -690,6 +691,9 @@ namespace libtorrent
 		// defaults to true. Determines whether the session
 		// IP filter applies to this torrent or not
 		bool ip_filter_applies;
+
+		// the info-hash for this torrent
+		sha1_hash info_hash;
 	};
 
 }

src/torrent.cpp

@@ -3079,7 +3079,7 @@ namespace libtorrent
 		{
 			m_storage->abort_disk_io();
 			m_storage->async_release_files(
-				boost::bind(&torrent::on_torrent_aborted, shared_from_this(), _1, _2));
+				boost::bind(&torrent::on_cache_flushed, shared_from_this(), _1, _2));
 		}
 		
 		dequeue_torrent_check();
@@ -3187,12 +3187,6 @@ namespace libtorrent
 */
 	}
 
-	void torrent::on_torrent_aborted(int ret, disk_io_job const& j)
-	{
-		// the torrent should be completely shut down now, and the
-		// destructor has to be called from the main thread
-	}
-
 	void torrent::on_save_resume_data(int ret, disk_io_job const& j)
 	{
 		TORRENT_ASSERT(m_ses.is_network_thread());
@@ -6140,6 +6134,9 @@ namespace libtorrent
 	void torrent::on_cache_flushed(int ret, disk_io_job const& j)
 	{
 		TORRENT_ASSERT(m_ses.is_network_thread());
+
+		if (m_ses.is_aborted()) return;
+
 		if (alerts().should_post<cache_flushed_alert>())
 			alerts().post_alert(cache_flushed_alert(get_handle()));
 	}
@@ -7320,6 +7317,7 @@ namespace libtorrent
 		ptime now = time_now();
 
 		st->handle = get_handle();
+		st->info_hash = info_hash();
 
 		st->has_incoming = m_has_incoming;
 		if (m_error) st->error = m_error.message() + ": " + m_error_file;