Merge branch 'pipeio'

solvable/src/event_handler_main.py

@@ -1,9 +1,10 @@
 from ast import literal_eval
 from functools import partial
+from signal import signal, SIGTERM, SIGINT
 
 from tornado.ioloop import IOLoop
 
-from tfw import YamlFSM, FSMAwareEventHandler
+from tfw import YamlFSM, FSMAwareEventHandler, EventHandlerBase
 from tfw.components import IdeEventHandler, TerminalEventHandler
 from tfw.components import ProcessManagingEventHandler, BashMonitor
 from tfw.components import TerminalCommands, LogMonitoringEventHandler
@@ -136,9 +137,12 @@ if __name__ == '__main__':
     # Example terminal command callback
     terminal.historymonitor.subscribe_callback(cenator)
 
-    try:
-        IOLoop.instance().start()
-    finally:
-        eventhandlers = {fsm, ide, terminal, processmanager, logmonitor, message_fsm_steps}
-        for eh in eventhandlers:
+    event_handlers = EventHandlerBase.get_local_instances()
+    def cleanup(sig, frame):
+        for eh in event_handlers:
             eh.cleanup()
+        exit(0)
+    signal(SIGTERM, cleanup)
+    signal(SIGINT, cleanup)
+
+    IOLoop.instance().start()

solvable/src/pipe_io_main.py

@@ -0,0 +1,24 @@
+from signal import signal, SIGTERM, SIGINT
+
+from tornado.ioloop import IOLoop
+
+from tfw import EventHandlerBase
+from tfw.components import PipeIOEventHandler
+
+
+if __name__ == '__main__':
+    pipe_io = PipeIOEventHandler(
+        '',
+        '/tmp/tfw_send',
+        '/tmp/tfw_recv'
+    )
+
+    event_handlers = EventHandlerBase.get_local_instances()
+    def cleanup(sig, frame):
+        for eh in event_handlers:
+            eh.cleanup()
+        exit(0)
+    signal(SIGTERM, cleanup)
+    signal(SIGINT, cleanup)
+
+    IOLoop.instance().start()

solvable/supervisor/pipe_io_main.conf

@@ -0,0 +1,4 @@
+[program:pipe_io_main]
+user=root
+directory=%(ENV_TFW_EHMAIN_DIR)s
+command=python3 pipe_io_main.py