Later VRRP service creates/deletes RyuApp dynamically as VRRP router
is enabled/disabled.
When creating/deleting RyuApp, unique RyuManager should be used.
There needs a way to get a unique RyuApp. So introduce singleton pattern
Signed-off-by: Isaku Yamahata <yamah...@valinux.co.jp>
---
Changes v1 -> v2:
- improve commit message
---
bin/ryu-manager | 2 +-
ryu/base/app_manager.py | 9 +++++++++
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/bin/ryu-manager b/bin/ryu-manager
index 5a3e76b..3208693 100755
--- a/bin/ryu-manager
+++ b/bin/ryu-manager
@@ -66,7 +66,7 @@ def main():
# always enable ofp for now.
app_lists = CONF.app_lists + CONF.app + ['ryu.controller.ofp_handler']
- app_mgr = AppManager()
+ app_mgr = AppManager.get_instance()
app_mgr.load_apps(app_lists)
contexts = app_mgr.create_contexts()
app_mgr.instantiate_apps(**contexts)
diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py
index 0112aab..aece004 100644
--- a/ryu/base/app_manager.py
+++ b/ryu/base/app_manager.py
@@ -144,6 +144,15 @@ class RyuApp(object):
class AppManager(object):
+ # singletone
+ _instance = None
+
+ @staticmethod
+ def get_instance():
+ if not AppManager._instance:
+ AppManager._instance = AppManager()
+ return AppManager._instance
+
def __init__(self):
self.applications_cls = {}
self.applications = {}
--
1.7.10.4
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