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gns3-server
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Change address/host binding implementation.

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pull/11/head
grossmj 10 years ago
parent 862448ada1
commit 3edbdbe0b5
6 changed files with 35 additions and 17 deletions
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6
gns3server/modules/base.py
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@ -47,8 +47,8 @@ class IModule(multiprocessing.Process):
self._context = None
self._ioloop = None
self._stream = None
self._host = args[0]
self._port = args[1]
self._zmq_host = args[0] # ZeroMQ server address
self._zmq_port = args[1] # ZeroMQ server port
self._current_session = None
self._current_destination = None
self._current_call_id = None
@ -60,7 +60,7 @@ class IModule(multiprocessing.Process):
self._context = zmq.Context()
self._ioloop = zmq.eventloop.ioloop.IOLoop.instance()
self._stream = self._create_stream(self._host, self._port, self._decode_request)
self._stream = self._create_stream(self._zmq_host, self._zmq_port, self._decode_request)
def _create_stream(self, host=None, port=0, callback=None):
"""

4
gns3server/modules/dynamips/__init__.py
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@ -115,7 +115,7 @@ class Dynamips(IModule):
self._tempdir = kwargs["temp_dir"]
self._working_dir = self._projects_dir
self._dynamips = ""
self._default_host = "127.0.0.1"
self._host = kwargs["host"]
if not sys.platform.startswith("win32"):
#FIXME: pickle issues Windows
@ -216,7 +216,7 @@ class Dynamips(IModule):
raise DynamipsError("Cannot write to working directory {}".format(self._working_dir))
log.info("starting the hypervisor manager with Dynamips working directory set to '{}'".format(self._working_dir))
self._hypervisor_manager = HypervisorManager(self._dynamips, self._working_dir, self._default_host)
self._hypervisor_manager = HypervisorManager(self._dynamips, self._working_dir, self._host)
for name, value in self._hypervisor_manager_settings.items():
if hasattr(self._hypervisor_manager, name) and getattr(self._hypervisor_manager, name) != value:

11
gns3server/modules/dynamips/dynamips_hypervisor.py
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@ -67,8 +67,17 @@ class DynamipsHypervisor(object):
Connects to the hypervisor.
"""
# connect to a local address by default
# if listening to all addresses (IPv4 or IPv6)
if self._host == "0.0.0.0":
host = "127.0.0.1"
elif self._host == "::":
host = "::1"
else:
host = self._host
try:
self._socket = socket.create_connection((self._host,
self._socket = socket.create_connection((host,
self._port),
self._timeout)
except OSError as e:

9
gns3server/modules/dynamips/hypervisor_manager.py
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@ -406,6 +406,13 @@ class HypervisorManager(object):
:param timeout: timeout value (default is 10 seconds)
"""
# connect to a local address by default
# if listening to all addresses (IPv4 or IPv6)
if host == "0.0.0.0":
host = "127.0.0.1"
elif host == "::":
host = "::1"
connection_success = False
begin = time.time()
# try to connect for 10 seconds
@ -423,7 +430,7 @@ class HypervisorManager(object):
if not connection_success:
# FIXME: throw exception here
log.critical("Couldn't connect to hypervisor on {}:{} :{}".format(host, port,
last_exception))
last_exception))
else:
log.info("Dynamips server ready after {:.4f} seconds".format(time.time() - begin))

10
gns3server/modules/iou/__init__.py
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@ -83,7 +83,7 @@ class IOU(IModule):
self._udp_start_port_range = 30001
self._udp_end_port_range = 40001
self._current_udp_port = self._udp_start_port_range
self._default_host = "0.0.0.0"
self._host = kwargs["host"]
self._projects_dir = os.path.join(kwargs["projects_dir"], "iou")
self._tempdir = kwargs["temp_dir"]
self._working_dir = self._projects_dir
@ -252,11 +252,11 @@ class IOU(IModule):
except OSError as e:
raise IOUError("Could not create working directory {}".format(e))
iou_instance = IOUDevice(iou_path, self._working_dir, host=self._default_host, name=name)
iou_instance = IOUDevice(iou_path, self._working_dir, host=self._host, name=name)
# find a console port
if self._current_console_port >= self._console_end_port_range:
self._current_console_port = self._console_start_port_range
iou_instance.console = IOUDevice.find_unused_port(self._current_console_port, self._console_end_port_range, self._default_host)
iou_instance.console = IOUDevice.find_unused_port(self._current_console_port, self._console_end_port_range, self._host)
self._current_console_port += 1
except IOUError as e:
self.send_custom_error(str(e))
@ -479,13 +479,13 @@ class IOU(IModule):
# find a UDP port
if self._current_udp_port >= self._udp_end_port_range:
self._current_udp_port = self._udp_start_port_range
port = IOUDevice.find_unused_port(self._current_udp_port, self._udp_end_port_range, host=self._default_host, socket_type="UDP")
port = IOUDevice.find_unused_port(self._current_udp_port, self._udp_end_port_range, host=self._host, socket_type="UDP")
self._current_udp_port += 1
log.info("{} [id={}] has allocated UDP port {} with host {}".format(iou_instance .name,
iou_instance .id,
port,
self._default_host))
self._host))
response = {"lport": port}
except IOUError as e:

12
gns3server/server.py
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@ -30,7 +30,6 @@ import signal
import errno
import functools
import socket
import tornado
import tornado.ioloop
import tornado.web
import tornado.autoreload
@ -59,14 +58,16 @@ class Server(object):
if ipc:
self._zmq_port = 0 # this forces to use IPC for communications with the ZeroMQ server
else:
# communication between the ZeroMQ server and the modules (ZeroMQ dealers)
# is IPv4 and local (127.0.0.1)
try:
# let the OS find an unused port for the ZeroMQ server
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
sock.bind(('127.0.0.1', 0))
sock.bind(("127.0.0.1", 0))
self._zmq_port = sock.getsockname()[1]
except OSError as e:
log.warn("could not pick up a random port for the ZeroMQ server: {}".format(e))
self._zmq_port = port + 1 # let's try this server port + 1
log.critical("server cannot listen to {}: {}".format(self._host, e))
raise SystemExit
self._ipc = ipc
self._modules = []
@ -111,12 +112,13 @@ class Server(object):
#=======================================================================
# special built-in destination to stop the server
JSONRPCWebSocket.register_destination("builtin.stop", self._cleanup)
# JSONRPCWebSocket.register_destination("builtin.stop", self._cleanup)
for module in MODULES:
instance = module(module.__name__.lower(),
"127.0.0.1", # ZeroMQ server address
self._zmq_port, # ZeroMQ server port
host=self._host, # server host address
projects_dir=self._projects_dir,
temp_dir=self._temp_dir)

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