diff options
Diffstat (limited to 'python/flowgraph.py')
| -rw-r--r-- | python/flowgraph.py | 59 |
1 files changed, 36 insertions, 23 deletions
diff --git a/python/flowgraph.py b/python/flowgraph.py index 884d6587..6d1174d6 100644 --- a/python/flowgraph.py +++ b/python/flowgraph.py @@ -263,6 +263,38 @@ class FlowGraphNode(object): core.BNAddFlowGraphNodeOutgoingEdge(self.handle, edge_type, target.handle) +class FlowGraphLayoutRequest(object): + def __init__(self, graph, callback = None): + self.on_complete = callback + self._cb = ctypes.CFUNCTYPE(None, ctypes.c_void_p)(self._complete) + self.handle = core.BNStartFlowGraphLayout(graph.handle, None, self._cb) + + def __del__(self): + self.abort() + core.BNFreeFlowGraphLayoutRequest(self.handle) + + def _complete(self, ctxt): + try: + if self._on_complete is not None: + self._on_complete() + except: + log.log_error(traceback.format_exc()) + + @property + def complete(self): + """Whether flow graph layout is complete (read-only)""" + return core.BNIsFlowGraphLayoutRequestComplete(self.handle) + + @property + def graph(self): + """Flow graph that is being processed (read-only)""" + return CoreFlowGraph(core.BNGetGraphForFlowGraphLayoutRequest(self.handle)) + + def abort(self): + core.BNAbortFlowGraphLayoutRequest(self.handle) + self.on_complete = None + + class FlowGraph(object): def __init__(self, handle = None): if handle is None: @@ -274,12 +306,8 @@ class FlowGraph(object): self._ext_cb.update = self._ext_cb.update.__class__(self._update) handle = core.BNCreateCustomFlowGraph(self._ext_cb) self.handle = handle - self._on_complete = None - self._cb = ctypes.CFUNCTYPE(None, ctypes.c_void_p)(self._complete) def __del__(self): - if self._on_complete is not None: - self.abort() core.BNFreeFlowGraph(self.handle) def __eq__(self, value): @@ -460,15 +488,8 @@ class FlowGraph(object): finally: core.BNFreeFlowGraphNodeList(nodes, count.value) - def _complete(self, ctxt): - try: - if self._on_complete is not None: - self._on_complete() - except: - log.log_error(traceback.format_exc()) - - def layout(self): - core.BNStartFlowGraphLayout(self.handle) + def layout(self, callback = None): + return FlowGraphLayoutRequest(self, callback) def _wait_complete(self): self._wait_cond.acquire() @@ -477,21 +498,13 @@ class FlowGraph(object): def layout_and_wait(self): self._wait_cond = threading.Condition() - self.on_complete(self._wait_complete) - self.layout() + request = self.layout(self._wait_complete) self._wait_cond.acquire() - while not self.complete: + while not request.complete: self._wait_cond.wait() self._wait_cond.release() - def on_complete(self, callback): - self._on_complete = callback - core.BNSetFlowGraphCompleteCallback(self.handle, None, self._cb) - - def abort(self): - core.BNAbortFlowGraph(self.handle) - def get_nodes_in_region(self, left, top, right, bottom): count = ctypes.c_ulonglong() nodes = core.BNGetFlowGraphNodesInRegion(self.handle, left, top, right, bottom, count) |