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https://github.com/GNS3/gns3-server
synced 2024-11-13 20:08:55 +00:00
Implement special request to stop a module.
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parent
0b47b5b41e
commit
0d944d39ef
@ -159,7 +159,7 @@ class IModule(multiprocessing.Process):
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if signum:
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self._ioloop.add_callback_from_signal(self._shutdown)
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else:
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self._shutdown()
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self._ioloop.add_callback(self._shutdown)
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def send_response(self, results):
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"""
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@ -240,6 +240,13 @@ class IModule(multiprocessing.Process):
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if self._stopping:
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return
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# handle special request to stop the module
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# e.g. useful on Windows where the
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# SIGBREAK signal cound't be propagated
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if request[0] == b"stop":
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self.stop()
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return
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try:
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request = zmq.utils.jsonapi.loads(request[0])
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except ValueError:
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@ -132,9 +132,8 @@ class Dynamips(IModule):
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if not sys.platform.startswith("win32"):
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self._callback.stop()
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if self._hypervisor_manager:
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self._hypervisor_manager.stop_all_hypervisors()
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self.reset()
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IModule.stop(self, signum) # this will stop the I/O loop
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def _check_hypervisors(self):
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@ -175,11 +174,11 @@ class Dynamips(IModule):
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return instance_dict[device_id]
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@IModule.route("dynamips.reset")
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def reset(self, request):
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def reset(self, request=None):
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"""
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Resets the module.
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Resets the module (JSON-RPC notification).
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:param request: JSON request
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:param request: JSON request (not used)
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"""
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# stop all Dynamips hypervisors
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@ -112,11 +112,7 @@ class IOU(IModule):
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"""
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self._iou_callback.stop()
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# delete all IOU instances
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for iou_id in self._iou_instances:
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iou_instance = self._iou_instances[iou_id]
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iou_instance.delete()
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self.reset()
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IModule.stop(self, signum) # this will stop the I/O loop
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def _check_iou_is_alive(self):
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@ -161,11 +157,11 @@ class IOU(IModule):
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return self._iou_instances[iou_id]
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@IModule.route("iou.reset")
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def reset(self, request):
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def reset(self, request=None):
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"""
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Resets the module.
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Resets the module (JSON-RPC notification).
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:param request: JSON request
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:param request: JSON request (not used)
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"""
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# delete all IOU instances
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@ -215,6 +215,17 @@ class Server(object):
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log.info("ZeroMQ server listening to 127.0.0.1:{}".format(self._zmq_port))
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return self._router
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def stop_module(self, module):
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"""
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Stop a given module.
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:param module: module name
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"""
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if not self._router.closed:
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self._router.send_string(module, zmq.SNDMORE)
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self._router.send_string("stop")
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def _shutdown(self):
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"""
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Shutdowns the I/O loop and the ZeroMQ stream & socket.
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@ -243,13 +254,18 @@ class Server(object):
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# terminate all modules
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for module in self._modules:
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if module.is_alive():
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log.info("terminating {}".format(module.name))
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module.terminate()
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module.join(timeout=1)
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log.info("stopping {}".format(module.name))
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self.stop_module(module.name)
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module.join(timeout=3)
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if module.is_alive():
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# just kill the module if it is still alive.
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log.info("terminating {}".format(module.name))
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module.terminate()
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module.join(timeout=1)
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if stop:
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ioloop = tornado.ioloop.IOLoop.instance()
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if signum:
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ioloop.add_callback_from_signal(self._shutdown)
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else:
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self._shutdown()
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ioloop.add_callback(self._shutdown)
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