lib: make packets and packet messages optional, disabled by default

[babeltrace.git] / src / bindings / python / bt2 / bt2 / message.py

diff --git a/src/bindings/python/bt2/bt2/message.py b/src/bindings/python/bt2/bt2/message.py
index 56b545daa98faf1c0220f424b5e2dd8f6cec7aec..a2e885b8208bdd8dfc994d5359bbe7bc5f83cf07 100644 (file)
--- a/src/bindings/python/bt2/bt2/message.py
+++ b/src/bindings/python/bt2/bt2/message.py
@@ -60,7 +60,7 @@ class _EventMessage(_Message, _MessageWithDefaultClockSnapshot):
 
     @property
     def default_clock_snapshot(self):
-        self._check_has_default_clock_class(self.event.packet.stream.cls.default_clock_class)
+        self._check_has_default_clock_class(self.event.stream.cls.default_clock_class)
         return self._get_default_clock_snapshot(self._borrow_default_clock_snapshot_ptr)
 
     @property
@@ -94,64 +94,42 @@ class _PacketEndMessage(_PacketMessage):
     _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_packet_end_borrow_default_clock_snapshot_const)
 
 
-class _StreamMessage(_Message):
+class _StreamMessage(_Message, _MessageWithDefaultClockSnapshot):
     @property
     def stream(self):
         stream_ptr = self._borrow_stream_ptr(self._ptr)
         assert stream_ptr
         return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
 
-
-class _StreamBeginningMessage(_StreamMessage):
-    _borrow_stream_ptr = staticmethod(native_bt.message_stream_beginning_borrow_stream)
-
-
-class _StreamEndMessage(_StreamMessage):
-    _borrow_stream_ptr = staticmethod(native_bt.message_stream_end_borrow_stream)
-
-
-class _StreamActivityMessage(_Message):
     @property
     def default_clock_snapshot(self):
         self._check_has_default_clock_class(self.stream.cls.default_clock_class)
-        status, snapshot_ptr = self._borrow_default_clock_snapshot_ptr(self._ptr)
 
-        if status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN:
-            snapshot_type = bt2.clock_snapshot._ClockSnapshot
-        elif status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_UNKNOWN:
-            snapshot_type = bt2.clock_snapshot._UnknownClockSnapshot
-        elif status == native_bt.MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_INFINITE:
-            snapshot_type = bt2.clock_snapshot._InfiniteClockSnapshot
-        else:
-            raise bt2.Error('cannot borrow default clock snapshot from message')
+        status, snapshot_ptr = self._borrow_default_clock_snapshot_ptr(self._ptr)
 
-        assert snapshot_ptr is not None
+        if status == native_bt.MESSAGE_STREAM_CLOCK_SNAPSHOT_STATE_UNKNOWN:
+            return bt2.clock_snapshot._UnknownClockSnapshot()
 
-        return snapshot_type._create_from_ptr_and_get_ref(
+        return bt2.clock_snapshot._ClockSnapshot._create_from_ptr_and_get_ref(
             snapshot_ptr, self._ptr, self._get_ref, self._put_ref)
 
-    def _default_clock_snapshot(self, value):
-        self._set_default_clock_snapshot_ptr(self._ptr, value)
+    def _default_clock_snapshot(self, raw_value):
+        utils._check_uint64(raw_value)
+        self._set_default_clock_snapshot(self._ptr, raw_value)
 
     _default_clock_snapshot = property(fset=_default_clock_snapshot)
 
-    @property
-    def stream(self):
-        stream_ptr = self._borrow_stream_ptr(self._ptr)
-        assert stream_ptr
-        return bt2.stream._Stream._create_from_ptr_and_get_ref(stream_ptr)
 
-
-class _StreamActivityBeginningMessage(_StreamActivityMessage):
-    _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_beginning_borrow_default_clock_snapshot_const)
-    _set_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_beginning_set_default_clock_snapshot)
-    _borrow_stream_ptr = staticmethod(native_bt.message_stream_activity_beginning_borrow_stream)
+class _StreamBeginningMessage(_StreamMessage):
+    _borrow_stream_ptr = staticmethod(native_bt.message_stream_beginning_borrow_stream)
+    _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_beginning_borrow_default_clock_snapshot_const)
+    _set_default_clock_snapshot = staticmethod(native_bt.message_stream_beginning_set_default_clock_snapshot)
 
 
-class _StreamActivityEndMessage(_StreamActivityMessage):
-    _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_end_borrow_default_clock_snapshot_const)
-    _set_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_activity_end_set_default_clock_snapshot)
-    _borrow_stream_ptr = staticmethod(native_bt.message_stream_activity_end_borrow_stream)
+class _StreamEndMessage(_StreamMessage):
+    _borrow_stream_ptr = staticmethod(native_bt.message_stream_end_borrow_stream)
+    _borrow_default_clock_snapshot_ptr = staticmethod(native_bt.message_stream_end_borrow_default_clock_snapshot_const)
+    _set_default_clock_snapshot = staticmethod(native_bt.message_stream_end_set_default_clock_snapshot)
 
 
 class _MessageIteratorInactivityMessage(_Message, _MessageWithDefaultClockSnapshot):
@@ -229,8 +207,6 @@ _MESSAGE_TYPE_TO_CLS = {
     native_bt.MESSAGE_TYPE_STREAM_END: _StreamEndMessage,
     native_bt.MESSAGE_TYPE_PACKET_BEGINNING: _PacketBeginningMessage,
     native_bt.MESSAGE_TYPE_PACKET_END: _PacketEndMessage,
-    native_bt.MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: _StreamActivityBeginningMessage,
-    native_bt.MESSAGE_TYPE_STREAM_ACTIVITY_END: _StreamActivityEndMessage,
     native_bt.MESSAGE_TYPE_DISCARDED_EVENTS: _DiscardedEventsMessage,
     native_bt.MESSAGE_TYPE_DISCARDED_PACKETS: _DiscardedPacketsMessage,
 }