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Code Issues Releases Wiki Activity

Catch COM errors when connecting to WMI.

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This commit is contained in:
grossmj 2015-04-23 00:03:44 -06:00
parent 30f6263146
commit 3680c40e23
1 changed files with 4 additions and 3 deletions
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7
gns3server/utils/interfaces.py
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@ -58,10 +58,11 @@ def get_windows_interfaces():
import win32com.client import win32com.client
import pywintypes import pywintypes
locator = win32com.client.Dispatch("WbemScripting.SWbemLocator")
service = locator.ConnectServer(".", "root\cimv2")
interfaces = [] interfaces = []
try: try:
locator = win32com.client.Dispatch("WbemScripting.SWbemLocator")
service = locator.ConnectServer(".", "root\cimv2")
# more info on Win32_NetworkAdapter: http://msdn.microsoft.com/en-us/library/aa394216%28v=vs.85%29.aspx # more info on Win32_NetworkAdapter: http://msdn.microsoft.com/en-us/library/aa394216%28v=vs.85%29.aspx
for adapter in service.InstancesOf("Win32_NetworkAdapter"): for adapter in service.InstancesOf("Win32_NetworkAdapter"):
if adapter.NetConnectionStatus == 2 or adapter.NetConnectionStatus == 7: if adapter.NetConnectionStatus == 2 or adapter.NetConnectionStatus == 7:
@ -70,7 +71,7 @@ def get_windows_interfaces():
interfaces.append({"id": npf_interface, interfaces.append({"id": npf_interface,
"name": adapter.NetConnectionID}) "name": adapter.NetConnectionID})
except (AttributeError, pywintypes.com_error): except (AttributeError, pywintypes.com_error):
log.warn("could not use the COM service to retrieve interface info, trying using the registry...") log.warn("Could not use the COM service to retrieve interface info, trying using the registry...")
return _get_windows_interfaces_from_registry() return _get_windows_interfaces_from_registry()
return interfaces return interfaces