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Code Issues Releases Wiki Activity

Force Npcap DLL to be used first for Dynamips and uBridge (instead of the one from Winpcap if installed).

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This commit is contained in:
grossmj 2016-05-21 14:43:10 -06:00
parent 67e346ba92
commit a2ebbaa322
2 changed files with 18 additions and 2 deletions
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10
gns3server/modules/dynamips/hypervisor.py
View File

@ -19,6 +19,7 @@
Represents a Dynamips hypervisor and starts/stops the associated Dynamips process. Represents a Dynamips hypervisor and starts/stops the associated Dynamips process.
""" """
import sys
import os import os
import subprocess import subprocess
import asyncio import asyncio
@ -117,6 +118,12 @@ class Hypervisor(DynamipsHypervisor):
""" """
self._command = self._build_command() self._command = self._build_command()
env = os.environ.copy()
if sys.platform.startswith("win"):
# add the Npcap directory to $PATH to force Dynamips 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"]
try: try:
log.info("Starting Dynamips: {}".format(self._command)) log.info("Starting Dynamips: {}".format(self._command))
self._stdout_file = os.path.join(self.working_dir, "dynamips_i{}_stdout.txt".format(self._id)) self._stdout_file = os.path.join(self.working_dir, "dynamips_i{}_stdout.txt".format(self._id))
@ -125,7 +132,8 @@ class Hypervisor(DynamipsHypervisor):
self._process = yield from asyncio.create_subprocess_exec(*self._command, self._process = yield from asyncio.create_subprocess_exec(*self._command,
stdout=fd, stdout=fd,
stderr=subprocess.STDOUT, stderr=subprocess.STDOUT,
cwd=self._working_dir) cwd=self._working_dir,
env=env)
log.info("Dynamips process started PID={}".format(self._process.pid)) log.info("Dynamips process started PID={}".format(self._process.pid))
self._started = True self._started = True
except (OSError, subprocess.SubprocessError) as e: except (OSError, subprocess.SubprocessError) as e:

10
gns3server/ubridge/hypervisor.py
View File

@ -19,6 +19,7 @@
Represents a uBridge hypervisor and starts/stops the associated uBridge process. Represents a uBridge hypervisor and starts/stops the associated uBridge process.
""" """
import sys
import os import os
import subprocess import subprocess
import asyncio import asyncio
@ -140,6 +141,12 @@ class Hypervisor(UBridgeHypervisor):
""" """
yield from self._check_ubridge_version() yield from self._check_ubridge_version()
env = os.environ.copy()
if sys.platform.startswith("win"):
# add the Npcap directory to $PATH to force Dynamips 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"]
try: try:
command = self._build_command() command = self._build_command()
log.info("starting ubridge: {}".format(command)) log.info("starting ubridge: {}".format(command))
@ -149,7 +156,8 @@ class Hypervisor(UBridgeHypervisor):
self._process = yield from asyncio.create_subprocess_exec(*command, self._process = yield from asyncio.create_subprocess_exec(*command,
stdout=fd, stdout=fd,
stderr=subprocess.STDOUT, stderr=subprocess.STDOUT,
cwd=self._working_dir) cwd=self._working_dir,
env=env)
log.info("ubridge started PID={}".format(self._process.pid)) log.info("ubridge started PID={}".format(self._process.pid))
except (OSError, subprocess.SubprocessError) as e: except (OSError, subprocess.SubprocessError) as e: