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mirror of https://github.com/GNS3/gns3-server synced 2024-11-28 11:18:11 +00:00

Start iouyap

This commit is contained in:
Julien Duponchelle 2015-02-11 17:11:18 +01:00
parent faa7472670
commit fb69c693f6

View File

@ -29,6 +29,7 @@ import asyncio
import shutil
import argparse
import threading
import configparser
from pkg_resources import parse_version
from .iou_error import IOUError
@ -301,7 +302,91 @@ class IOUVM(BaseVM):
# start console support
self._start_ioucon()
# connections support
# self._start_iouyap()
self._start_iouyap()
def _start_iouyap(self):
"""
Starts iouyap (handles connections to and from this IOU device).
"""
try:
self._update_iouyap_config()
command = [self.iouyap_path, "-q", str(self.application_id + 512)] # iouyap has always IOU ID + 512
log.info("starting iouyap: {}".format(command))
self._iouyap_stdout_file = os.path.join(self.working_dir, "iouyap.log")
log.info("logging to {}".format(self._iouyap_stdout_file))
with open(self._iouyap_stdout_file, "w") as fd:
self._iouyap_process = subprocess.Popen(command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self.working_dir)
log.info("iouyap started PID={}".format(self._iouyap_process.pid))
except (OSError, subprocess.SubprocessError) as e:
iouyap_stdout = self.read_iouyap_stdout()
log.error("could not start iouyap: {}\n{}".format(e, iouyap_stdout))
raise IOUError("Could not start iouyap: {}\n{}".format(e, iouyap_stdout))
def _update_iouyap_config(self):
"""
Updates the iouyap.ini file.
"""
iouyap_ini = os.path.join(self.working_dir, "iouyap.ini")
config = configparser.ConfigParser()
config["default"] = {"netmap": "NETMAP",
"base_port": "49000"}
bay_id = 0
for adapter in self._slots:
unit_id = 0
for unit in adapter.ports.keys():
nio = adapter.get_nio(unit)
if nio:
connection = None
if isinstance(nio, NIO_UDP):
# UDP tunnel
connection = {"tunnel_udp": "{lport}:{rhost}:{rport}".format(lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport)}
elif isinstance(nio, NIO_TAP):
# TAP interface
connection = {"tap_dev": "{tap_device}".format(tap_device=nio.tap_device)}
elif isinstance(nio, NIO_GenericEthernet):
# Ethernet interface
connection = {"eth_dev": "{ethernet_device}".format(ethernet_device=nio.ethernet_device)}
if connection:
interface = "{iouyap_id}:{bay}/{unit}".format(iouyap_id=str(self.application_id + 512), bay=bay_id, unit=unit_id)
config[interface] = connection
if nio.capturing:
pcap_data_link_type = nio.pcap_data_link_type.upper()
if pcap_data_link_type == "DLT_PPP_SERIAL":
pcap_protocol = "ppp"
elif pcap_data_link_type == "DLT_C_HDLC":
pcap_protocol = "hdlc"
elif pcap_data_link_type == "DLT_FRELAY":
pcap_protocol = "fr"
else:
pcap_protocol = "ethernet"
capture_info = {"pcap_file": "{pcap_file}".format(pcap_file=nio.pcap_output_file),
"pcap_protocol": pcap_protocol,
"pcap_overwrite": "y"}
config[interface].update(capture_info)
unit_id += 1
bay_id += 1
try:
with open(iouyap_ini, "w") as config_file:
config.write(config_file)
log.info("IOU {name} [id={id}]: iouyap.ini updated".format(name=self._name,
id=self._id))
except OSError as e:
raise IOUError("Could not create {}: {}".format(iouyap_ini, e))
@asyncio.coroutine
def stop(self):
@ -317,7 +402,7 @@ class IOUVM(BaseVM):
self._ioucon_thread = None
if self.is_running():
self._terminate_process()
self._terminate_process_iou()
try:
yield from asyncio.wait_for(self._iou_process.wait(), timeout=3)
except asyncio.TimeoutError:
@ -326,9 +411,29 @@ class IOUVM(BaseVM):
log.warn("IOU process {} is still running".format(self._iou_process.pid))
self._iou_process = None
self._terminate_process_iouyap()
try:
yield from asyncio.wait_for(self._iouyap_process.wait(), timeout=3)
except asyncio.TimeoutError:
self._iou_process.kill()
if self._iouyap_process.returncode is None:
log.warn("IOUYAP process {} is still running".format(self._iou_process.pid))
self._started = False
def _terminate_process(self):
def _terminate_process_iouyap(self):
"""Terminate the process if running"""
if self._iou_process:
log.info("Stopping IOUYAP instance {} PID={}".format(self.name, self._iouyap_process.pid))
try:
self._iouyap_process.terminate()
# Sometime the process can already be dead when we garbage collect
except ProcessLookupError:
pass
def _terminate_process_iou(self):
"""Terminate the process if running"""
if self._iou_process: