ryu/app: convert existing application to new style ryu application

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

bin/ryu-manager

@@ -31,8 +31,6 @@ from ryu import utils
 from ryu.app import wsapi
 from ryu.base.app_manager import AppManager
 from ryu.controller import controller
-from ryu.controller import dpset
-from ryu.controller import network
 
 
 FLAGS = gflags.FLAGS
@@ -49,17 +47,9 @@ def main():
     _args = FLAGS(sys.argv)
     log.init_log()
 
-    # to make non-converted apps work. Once all of them converted,
-    # this will be removed.
-    kwargs = {
-        'network': network.Network(),
-        'dpset': dpset.DPSet(),
-        }
-
     app_mgr = AppManager()
     app_mgr.load_apps(FLAGS.app_lists)
     contexts = app_mgr.create_contexts()
-    contexts.update(kwargs)
     app_mgr.instantiate_apps(**contexts)
 
     services = []

ryu/app/cbench.py

@@ -15,15 +15,16 @@
 # limitations under the License.
 
 
+from ryu.base import app_manager
 from ryu.controller import ofp_event
 from ryu.controller.handler import MAIN_DISPATCHER
 from ryu.controller.handler import set_ev_cls
 from ryu.ofproto import nx_match
 
 
-class Cbench(object):
-    def __init__(self, *_args, **kwargs):
-        pass
+class Cbench(app_manager.RyuApp):
+    def __init__(self, *args, **kwargs):
+        super(Cbench, self).__init__(*args, **kwargs)
 
     @set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
     def packet_in_handler(self, ev):

ryu/app/event_dumper.py

@@ -18,6 +18,7 @@
 import gflags
 import logging
 
+from ryu.base import app_manager
 from ryu.controller import dispatcher
 from ryu.controller.handler import set_ev_cls
 
@@ -30,9 +31,9 @@ gflags.DEFINE_multistring('dump_dispatcher', [],
                           'list of dispatcher name to dump event: default any')
 
 
-class EventDumper(object):
-    def __init__(self, *_args, **_kwargs):
-        super(EventDumper, self).__init__()
+class EventDumper(app_manager.RyuApp):
+    def __init__(self, *args, **kwargs):
+        super(EventDumper, self).__init__(*args, **kwargs)
         # EventDispatcher can be created and cloned before us.
         # So register it explicitly
         for ev_q in dispatcher.EventQueue.all_instances():

ryu/app/rest.py

@@ -21,6 +21,8 @@ from ryu.app.wsapi import WSPathComponent
 from ryu.app.wsapi import WSPathExtractResult
 from ryu.app.wsapi import WSPathStaticString
 from ryu.app.wsapi import wsapi
+from ryu.base import app_manager
+from ryu.controller import network
 
 # REST API
 
@@ -93,9 +95,13 @@ class WSPathPort(WSPathComponent):
         return WSPathExtractResult(value={'dpid': dpid, 'port': port})
 
 
-class restapi:
+class restapi(app_manager.RyuApp):
+    _CONTEXTS = {
+        'network': network.Network,
+        }
 
-    def __init__(self, *_args, **kwargs):
+    def __init__(self, *args, **kwargs):
+        super(restapi, self).__init__(*args, **kwargs)
         self.ws = wsapi()
         self.api = self.ws.get_version("1.0")
         self.nw = kwargs['network']

ryu/app/simple_isolation.py

@@ -18,10 +18,13 @@ import logging
 import struct
 
 from ryu.app.rest_nw_id import NW_ID_UNKNOWN, NW_ID_EXTERNAL
+from ryu.base import app_manager
 from ryu.exception import MacAddressDuplicated
 from ryu.exception import PortUnknown
+from ryu.controller import dpset
 from ryu.controller import mac_to_network
 from ryu.controller import mac_to_port
+from ryu.controller import network
 from ryu.controller import ofp_event
 from ryu.controller.handler import MAIN_DISPATCHER
 from ryu.controller.handler import CONFIG_DISPATCHER
@@ -34,9 +37,14 @@ from ryu.lib import mac
 LOG = logging.getLogger('ryu.app.simple_isolation')
 
 
-class SimpleIsolation(object):
-    def __init__(self, *_args, **kwargs):
-        super(SimpleIsolation, self).__init__()
+class SimpleIsolation(app_manager.RyuApp):
+    _CONTEXTS = {
+        'network': network.Network,
+        'dpset': dpset.DPSet,
+        }
+
+    def __init__(self, *args, **kwargs):
+        super(SimpleIsolation, self).__init__(*args, **kwargs)
         self.nw = kwargs['network']
         self.dpset = kwargs['dpset']
         self.mac2port = mac_to_port.MacToPortTable()

ryu/app/simple_switch.py

@@ -16,6 +16,7 @@
 import logging
 import struct
 
+from ryu.base import app_manager
 from ryu.controller import mac_to_port
 from ryu.controller import ofp_event
 from ryu.controller.handler import MAIN_DISPATCHER
@@ -34,10 +35,13 @@ LOG = logging.getLogger('ryu.app.simple_switch')
 # TODO: we need to move the followings to something like db
 
 
-class SimpleSwitch(object):
-    def __init__(self, *_args, **_kwargs):
-        super(SimpleSwitch, self).__init__()
-        self.mac2port = mac_to_port.MacToPortTable()
+class SimpleSwitch(app_manager.RyuApp):
+    _CONTEXETS = {
+        'mac2port': mac_to_port.MacToPortTable,
+        }
+    def __init__(self, *args, **kwargs):
+        super(SimpleSwitch, self).__init__(*args, **kwargs)
+        self.mac2port = kwargs['mac2port']
 
     @set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
     def _packet_in_handler(self, ev):