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Use Npcap DLL on Windows when checking for uBridge version.

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This commit is contained in:
grossmj 2017-09-01 16:22:43 +07:00
parent 7492899b95
commit ee486b32bd
1 changed files with 3 additions and 3 deletions
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6
gns3server/ubridge/hypervisor.py
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@ -129,12 +129,12 @@ class Hypervisor(UBridgeHypervisor):
return self._version
@asyncio.coroutine
def _check_ubridge_version(self):
def _check_ubridge_version(self, env=None):
"""
Checks if the ubridge executable version
"""
try:
output = yield from subprocess_check_output(self._path, "-v", cwd=self._working_dir)
output = yield from subprocess_check_output(self._path, "-v", cwd=self._working_dir, env=env)
match = re.search("ubridge version ([0-9a-z\.]+)", output)
if match:
self._version = match.group(1)
@ -151,13 +151,13 @@ class Hypervisor(UBridgeHypervisor):
Starts the uBridge hypervisor process.
"""
yield from self._check_ubridge_version()
env = os.environ.copy()
if sys.platform.startswith("win"):
# add the Npcap directory to $PATH to force uBridge to use npcap DLL instead of Winpcap (if installed)
system_root = os.path.join(os.path.expandvars("%SystemRoot%"), "System32", "Npcap")
if os.path.isdir(system_root):
env["PATH"] = system_root + ';' + env["PATH"]
yield from self._check_ubridge_version(env)
try:
command = self._build_command()
log.info("starting ubridge: {}".format(command))