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UDP connection checks.

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This commit is contained in:
grossmj 2014-05-17 18:07:16 -06:00
parent 0f8d1bc6da
commit f4ab8e2dd0
3 changed files with 19 additions and 0 deletions
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7
gns3server/modules/dynamips/__init__.py
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@ -25,6 +25,7 @@ import base64
import tempfile import tempfile
import shutil import shutil
import glob import glob
import socket
from gns3server.modules import IModule from gns3server.modules import IModule
import gns3server.jsonrpc as jsonrpc import gns3server.jsonrpc as jsonrpc
@ -363,6 +364,12 @@ class Dynamips(IModule):
lport = request["nio"]["lport"] lport = request["nio"]["lport"]
rhost = request["nio"]["rhost"] rhost = request["nio"]["rhost"]
rport = request["nio"]["rport"] rport = request["nio"]["rport"]
try:
#TODO: handle IPv6
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect((rhost, rport))
except OSError as e:
raise DynamipsError("Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
# check if we have an allocated NIO UDP auto # check if we have an allocated NIO UDP auto
nio = node.hypervisor.get_nio_udp_auto(lport) nio = node.hypervisor.get_nio_udp_auto(lport)
if not nio: if not nio:

6
gns3server/modules/iou/__init__.py
View File

@ -658,6 +658,12 @@ class IOU(IModule):
lport = request["nio"]["lport"] lport = request["nio"]["lport"]
rhost = request["nio"]["rhost"] rhost = request["nio"]["rhost"]
rport = request["nio"]["rport"] rport = request["nio"]["rport"]
try:
#TODO: handle IPv6
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect((rhost, rport))
except OSError as e:
raise IOUError("Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
nio = NIO_UDP(lport, rhost, rport) nio = NIO_UDP(lport, rhost, rport)
elif request["nio"]["type"] == "nio_tap": elif request["nio"]["type"] == "nio_tap":
tap_device = request["nio"]["tap_device"] tap_device = request["nio"]["tap_device"]

6
gns3server/modules/vpcs/__init__.py
View File

@ -625,6 +625,12 @@ class VPCS(IModule):
lport = request["nio"]["lport"] lport = request["nio"]["lport"]
rhost = request["nio"]["rhost"] rhost = request["nio"]["rhost"]
rport = request["nio"]["rport"] rport = request["nio"]["rport"]
try:
#TODO: handle IPv6
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
sock.connect((rhost, rport))
except OSError as e:
raise VPCSError("Could not create an UDP connection to {}:{}: {}".format(rhost, rport, e))
nio = NIO_UDP(lport, rhost, rport) nio = NIO_UDP(lport, rhost, rport)
elif request["nio"]["type"] == "nio_tap": elif request["nio"]["type"] == "nio_tap":
tap_device = request["nio"]["tap_device"] tap_device = request["nio"]["tap_device"]