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Fixing socket error in ns3 server
[nepi.git]
/
src
/
nepi
/
resources
/
ns3
/
ns3server.py
diff --git
a/src/nepi/resources/ns3/ns3server.py
b/src/nepi/resources/ns3/ns3server.py
index
f761b86
..
c4bcc5a
100644
(file)
--- a/
src/nepi/resources/ns3/ns3server.py
+++ b/
src/nepi/resources/ns3/ns3server.py
@@
-43,70
+43,50
@@
class NS3WrapperMessage:
def handle_message(ns3_wrapper, msg_type, args, kwargs):
if msg_type == NS3WrapperMessage.SHUTDOWN:
ns3_wrapper.shutdown()
def handle_message(ns3_wrapper, msg_type, args, kwargs):
if msg_type == NS3WrapperMessage.SHUTDOWN:
ns3_wrapper.shutdown()
-
- ns3_wrapper.logger.debug("SHUTDOWN")
-
+
return "BYEBYE"
if msg_type == NS3WrapperMessage.STOP:
time = kwargs.get("time")
return "BYEBYE"
if msg_type == NS3WrapperMessage.STOP:
time = kwargs.get("time")
- ns3_wrapper.logger.debug("STOP time=%s" % str(time))
-
ns3_wrapper.stop(time=time)
ns3_wrapper.stop(time=time)
+
return "STOPPED"
if msg_type == NS3WrapperMessage.START:
return "STOPPED"
if msg_type == NS3WrapperMessage.START:
- ns3_wrapper.logger.debug("START")
-
ns3_wrapper.start()
ns3_wrapper.start()
+
return "STARTED"
if msg_type == NS3WrapperMessage.CREATE:
clazzname = args.pop(0)
return "STARTED"
if msg_type == NS3WrapperMessage.CREATE:
clazzname = args.pop(0)
- ns3_wrapper.logger.debug("CREATE %s %s" % (clazzname, str(args)))
-
- uuid = ns3_wrapper.create(clazzname, *args)
- return uuid
-
+ return ns3_wrapper.create(clazzname, *args)
+
if msg_type == NS3WrapperMessage.FACTORY:
type_name = args.pop(0)
if msg_type == NS3WrapperMessage.FACTORY:
type_name = args.pop(0)
- ns3_wrapper.logger.debug("FACTORY %s %s" % (type_name, str(kwargs)))
-
- uuid = ns3_wrapper.factory(type_name, **kwargs)
- return uuid
-
+ return ns3_wrapper.factory(type_name, **kwargs)
+
if msg_type == NS3WrapperMessage.INVOKE:
uuid = args.pop(0)
operation = args.pop(0)
if msg_type == NS3WrapperMessage.INVOKE:
uuid = args.pop(0)
operation = args.pop(0)
-
- ns3_wrapper.logger.debug("INVOKE %s %s %s %s " % (uuid, operation,
- str(args), str(kwargs)))
-
- uuid = ns3_wrapper.invoke(uuid, operation, *args, **kwargs)
- return uuid
+
+ return ns3_wrapper.invoke(uuid, operation, *args, **kwargs)
if msg_type == NS3WrapperMessage.GET:
uuid = args.pop(0)
name = args.pop(0)
if msg_type == NS3WrapperMessage.GET:
uuid = args.pop(0)
name = args.pop(0)
- ns3_wrapper.logger.debug("GET %s %s" % (uuid, name))
-
- value = ns3_wrapper.get(uuid, name)
- return value
-
+ return ns3_wrapper.get(uuid, name)
+
if msg_type == NS3WrapperMessage.SET:
uuid = args.pop(0)
name = args.pop(0)
value = args.pop(0)
if msg_type == NS3WrapperMessage.SET:
uuid = args.pop(0)
name = args.pop(0)
value = args.pop(0)
-
ns3_wrapper.logger.debug("SET %s %s %s" % (uuid, name, str(value))
)
+
return ns3_wrapper.set(uuid, name, value
)
- value = ns3_wrapper.set(uuid, name, value)
- return value
-
if msg_type == NS3WrapperMessage.FLUSH:
# Forces flushing output and error streams.
# NS-3 output will stay unflushed until the program exits or
if msg_type == NS3WrapperMessage.FLUSH:
# Forces flushing output and error streams.
# NS-3 output will stay unflushed until the program exits or
@@
-167,7
+147,7
@@
def send_reply(conn, reply):
conn.send("%s\n" % encoded)
def get_options():
conn.send("%s\n" % encoded)
def get_options():
- usage = ("usage: %prog -S <socket-name> -L <
NS_LOG
> -v ")
+ usage = ("usage: %prog -S <socket-name> -L <
ns-log> -D <enable-dump
> -v ")
parser = OptionParser(usage = usage)
parser = OptionParser(usage = usage)
@@
-179,6
+159,12
@@
def get_options():
help = "NS_LOG environmental variable to be set",
default = "", type="str")
help = "NS_LOG environmental variable to be set",
default = "", type="str")
+ parser.add_option("-D", "--enable-dump", dest="enable_dump",
+ help = "Enable dumping the remote executed ns-3 commands to a script "
+ "in order to later reproduce and debug the experiment",
+ action = "store_true",
+ default = False)
+
parser.add_option("-v", "--verbose",
help="Print debug output",
action="store_true",
parser.add_option("-v", "--verbose",
help="Print debug output",
action="store_true",
@@
-186,9
+172,11
@@
def get_options():
(options, args) = parser.parse_args()
(options, args) = parser.parse_args()
- return (options.socket_name, options.verbose, options.ns_log)
+ return (options.socket_name, options.verbose, options.ns_log,
+ options.enable_dump)
-def run_server(socket_name, level = logging.INFO, ns_log = None):
+def run_server(socket_name, level = logging.INFO, ns_log = None,
+ enable_dump = False):
# Sets NS_LOG environmental variable for NS debugging
if ns_log:
# Sets NS_LOG environmental variable for NS debugging
if ns_log:
@@
-196,7
+184,7
@@
def run_server(socket_name, level = logging.INFO, ns_log = None):
###### ns-3 wrapper instantiation
###### ns-3 wrapper instantiation
- ns3_wrapper = NS3Wrapper(loglevel=level)
+ ns3_wrapper = NS3Wrapper(loglevel=level
, enable_dump = enable_dump
)
ns3_wrapper.logger.info("STARTING...")
ns3_wrapper.logger.info("STARTING...")
@@
-219,7
+207,7
@@
def run_server(socket_name, level = logging.INFO, ns_log = None):
if not msg_type:
# Ignore - connection lost
if not msg_type:
# Ignore - connection lost
- break
+ continue
if msg_type == NS3WrapperMessage.SHUTDOWN:
stop = True
if msg_type == NS3WrapperMessage.SHUTDOWN:
stop = True
@@
-235,13
+223,16
@@
def run_server(socket_name, level = logging.INFO, ns_log = None):
try:
send_reply(conn, reply)
except socket.error:
try:
send_reply(conn, reply)
except socket.error:
- break
+ import traceback
+ err = traceback.format_exc()
+ ns3_wrapper.logger.error(err)
+ raise
ns3_wrapper.logger.info("EXITING...")
if __name__ == '__main__':
ns3_wrapper.logger.info("EXITING...")
if __name__ == '__main__':
- (socket_name, verbose, ns_log) = get_options()
+ (socket_name, verbose, ns_log
, enable_dump
) = get_options()
## configure logging
FORMAT = "%(asctime)s %(name)s %(levelname)-4s %(message)s"
## configure logging
FORMAT = "%(asctime)s %(name)s %(levelname)-4s %(message)s"
@@
-250,5
+241,5
@@
if __name__ == '__main__':
logging.basicConfig(format = FORMAT, level = level)
## Run the server
logging.basicConfig(format = FORMAT, level = level)
## Run the server
- run_server(socket_name, level, ns_log)
+ run_server(socket_name, level, ns_log
, enable_dump
)