def __init__(self, args):
settings, args = SynthesisServer.process_command_line(args)
self.dbconn = DBConnector()
self.basevm_list = self.check_basevm()
Synthesis_Const.LOCAL_IPADDRESS = "0.0.0.0"
server_address = (Synthesis_Const.LOCAL_IPADDRESS, Synthesis_Const.SERVER_PORT_NUMBER)
self.allow_reuse_address = True
try:
SocketServer.TCPServer.__init__(self, server_address, SynthesisHandler)
except socket.error as e:
sys.stderr.write(str(e))
sys.stderr.write("Check IP/Port : %s\n" % (str(server_address)))
sys.exit(1)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
Log.write("* Server configuration\n")
Log.write(" - Open TCP Server at %s\n" % (str(server_address)))
Log.write(" - Disable Nalge(No TCP delay) : %s\n" \
% str(self.socket.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)))
Log.write("-"*50)
Log.write("\n")
# Start UPnP Server
try:
self.upnp_server = UPnPServer()
self.upnp_server.start()
except UPnPError as e:
Log.write(str(e))
Log.write("[Warning] Cannot start UPnP Server\n")
self.upnp_server = None
Log.write("[INFO] Start UPnP Server\n")
# Start registration client
if settings.register_server:
try:
self.register_client = RegisterThread(
settings.register_server,
log=Log,
update_period=Synthesis_Const.DIRECTORY_UPDATE_PERIOD)
self.register_client.start()
Log.write("[INFO] Register to Cloudlet direcory service\n")
except RegisterError as e:
Log.write(str(e))
Log.write("[Warning] Cannot register Cloudlet to central server\n")
# cloudlet machine monitor
try:
self.resource_monitor = ResourceMonitorThread(log=Log)
self.resource_monitor.start()
except ResourceMonitorError as e:
Log.write(str(e))
Log.write("[Warning] Cannot register Cloudlet to central server\n")
Log.flush()
class SynthesisServer(SocketServer.TCPServer):
def __init__(self, args):
settings, args = SynthesisServer.process_command_line(args)
self.dbconn = DBConnector()
self.basevm_list = self.check_basevm()
Synthesis_Const.LOCAL_IPADDRESS = "0.0.0.0"
server_address = (Synthesis_Const.LOCAL_IPADDRESS, Synthesis_Const.SERVER_PORT_NUMBER)
self.allow_reuse_address = True
try:
SocketServer.TCPServer.__init__(self, server_address, SynthesisHandler)
except socket.error as e:
sys.stderr.write(str(e))
sys.stderr.write("Check IP/Port : %s\n" % (str(server_address)))
sys.exit(1)
self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
Log.write("* Server configuration\n")
Log.write(" - Open TCP Server at %s\n" % (str(server_address)))
Log.write(" - Disable Nalge(No TCP delay) : %s\n" \
% str(self.socket.getsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY)))
Log.write("-"*50)
Log.write("\n")
# Start UPnP Server
try:
self.upnp_server = UPnPServer()
self.upnp_server.start()
except UPnPError as e:
Log.write(str(e))
Log.write("[Warning] Cannot start UPnP Server\n")
self.upnp_server = None
Log.write("[INFO] Start UPnP Server\n")
# Start registration client
if settings.register_server:
try:
self.register_client = RegisterThread(
settings.register_server,
log=Log,
update_period=Synthesis_Const.DIRECTORY_UPDATE_PERIOD)
self.register_client.start()
Log.write("[INFO] Register to Cloudlet direcory service\n")
except RegisterError as e:
Log.write(str(e))
Log.write("[Warning] Cannot register Cloudlet to central server\n")
# cloudlet machine monitor
try:
self.resource_monitor = ResourceMonitorThread(log=Log)
self.resource_monitor.start()
except ResourceMonitorError as e:
Log.write(str(e))
Log.write("[Warning] Cannot register Cloudlet to central server\n")
Log.flush()
def handle_error(self, request, client_address):
#SocketServer.TCPServer.handle_error(self, request, client_address)
#sys.stderr.write("handling error from client %s\n" % (str(client_address)))
pass
def expire_all_sessions(self):
from db.table_def import Session
Log.write("[TERMINATE] Close all running sessions\n")
session_list = self.dbconn.list_item(Session)
for item in session_list:
if item.status == Session.STATUS_RUNNING:
item.terminate(Session.STATUS_UNEXPECT_CLOSE)
self.dbconn.session.commit()
def terminate(self):
# expire all existing session
self.expire_all_sessions()
# close all thread
if self.socket != -1:
self.socket.close()
if hasattr(self, 'upnp_server') and self.upnp_server != None:
Log.write("[TERMINATE] Terminate UPnP Server\n")
self.upnp_server.terminate()
self.upnp_server.join()
if hasattr(self, 'register_client') and self.register_client != None:
Log.write("[TERMINATE] Deregister from directory service\n")
self.register_client.terminate()
self.register_client.join()
if hasattr(self, 'resource_monitor') and self.resource_monitor != None:
Log.write("[TERMINATE] Terminate resource monitor\n")
self.resource_monitor.terminate()
self.resource_monitor.join()
Log.write("[TERMINATE] Finish synthesis server connection\n")
@staticmethod
def process_command_line(argv):
global operation_mode
parser = OptionParser(usage="usage: %prog " + " [option]",
version="Rapid VM Synthesis(piping) 0.1")
parser.add_option(
'-r', '--register-server', action='store', dest='register_server',
default=None, help= 'Domain address for registration server.\n \
Specify this if you like to register your \
Cloudlet to registration server.')
settings, args = parser.parse_args(argv)
return settings, args
def check_basevm(self):
basevm_list = self.dbconn.list_item(BaseVM)
ret_list = list()
print "-"*50
print "* Base VM Configuration"
for index, item in enumerate(basevm_list):
# check file location
(base_diskmeta, base_mempath, base_memmeta) = \
Cloudlet_Const.get_basepath(item.disk_path)
if not os.path.exists(item.disk_path):
Log.write("[Warning] disk image (%s) is not exist\n" % (item.disk_path))
continue
if not os.path.exists(base_mempath):
Log.write("[Warning] memory snapshot (%s) is not exist\n" % (base_mempath))
continue
# add to list
ret_list.append(item)
print " %d : %s (Disk %d MB, Memory %d MB)" % \
(index, item.disk_path, os.path.getsize(item.disk_path)/1024/1024, \
os.path.getsize(base_mempath)/1024/1024)
print "-"*50
if len(ret_list) == 0:
Log.write("[Error] NO valid Base VM\n")
sys.exit(2)
return ret_list
