mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-25 16:28:11 +00:00
Remove UDP server discovery because not use for the moment
This commit is contained in:
parent
cc6f4c0510
commit
1566d7f12a
@ -26,9 +26,7 @@ import datetime
|
||||
import sys
|
||||
import locale
|
||||
import argparse
|
||||
import shutil
|
||||
import psutil
|
||||
import asyncio
|
||||
|
||||
|
||||
from gns3server.web.web_server import WebServer
|
||||
@ -107,7 +105,6 @@ def parse_arguments(argv):
|
||||
parser.add_argument("--daemon", action="store_true", help="start as a daemon")
|
||||
parser.add_argument("--pid", help="store process pid")
|
||||
parser.add_argument("--profile", help="Settings profile (blank will use default settings files)")
|
||||
parser.add_argument("--discovery", action="store_true", help="Make server discoverable on the network")
|
||||
|
||||
args = parser.parse_args(argv)
|
||||
if args.config:
|
||||
@ -128,8 +125,7 @@ def parse_arguments(argv):
|
||||
"allow": config.getboolean("allow_remote_console", False),
|
||||
"quiet": config.getboolean("quiet", False),
|
||||
"debug": config.getboolean("debug", False),
|
||||
"logfile": config.getboolean("logfile", ""),
|
||||
"server_discovery": config.getboolean("server_discovery", False)
|
||||
"logfile": config.getboolean("logfile", "")
|
||||
}
|
||||
|
||||
parser.set_defaults(**defaults)
|
||||
|
@ -22,11 +22,7 @@ Set up and run the server.
|
||||
import os
|
||||
import sys
|
||||
import signal
|
||||
import socket
|
||||
import json
|
||||
import ipaddress
|
||||
import asyncio
|
||||
import threading
|
||||
import aiohttp
|
||||
import aiohttp_cors
|
||||
import functools
|
||||
@ -38,7 +34,6 @@ from ..config import Config
|
||||
from ..compute import MODULES
|
||||
from ..compute.port_manager import PortManager
|
||||
from ..controller import Controller
|
||||
from ..version import __version__
|
||||
|
||||
|
||||
# do not delete this import
|
||||
@ -191,64 +186,6 @@ class WebServer:
|
||||
|
||||
atexit.register(close_asyncio_loop)
|
||||
|
||||
def _udp_server_discovery(self):
|
||||
"""
|
||||
UDP multicast and broadcast server discovery (Linux only)
|
||||
"""
|
||||
|
||||
import ctypes
|
||||
uint32_t = ctypes.c_uint32
|
||||
in_addr_t = uint32_t
|
||||
|
||||
class in_addr(ctypes.Structure):
|
||||
_fields_ = [('s_addr', in_addr_t)]
|
||||
|
||||
class in_pktinfo(ctypes.Structure):
|
||||
_fields_ = [('ipi_ifindex', ctypes.c_int),
|
||||
('ipi_spec_dst', in_addr),
|
||||
('ipi_addr', in_addr)]
|
||||
|
||||
IP_PKTINFO = 8
|
||||
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
|
||||
membership = socket.inet_aton("239.42.42.1") + socket.inet_aton("0.0.0.0")
|
||||
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, membership)
|
||||
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
||||
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
||||
sock.setsockopt(socket.SOL_IP, IP_PKTINFO, 1)
|
||||
try:
|
||||
sock.bind(("", self._port))
|
||||
except OSError as e:
|
||||
log.error("UDP server discovery could not bind on port {}: {}".format(self._port, e))
|
||||
return
|
||||
|
||||
log.info("UDP server discovery started on port {}".format(self._port))
|
||||
while self._loop.is_running():
|
||||
try:
|
||||
data, ancdata, _, address = sock.recvmsg(255, socket.CMSG_LEN(255))
|
||||
except OSError as e:
|
||||
log.error("Error while receiving UDP server discovery request: {}".format(e))
|
||||
continue
|
||||
cmsg_level, cmsg_type, cmsg_data = ancdata[0]
|
||||
if cmsg_level == socket.SOL_IP and cmsg_type == IP_PKTINFO:
|
||||
pktinfo = in_pktinfo.from_buffer_copy(cmsg_data)
|
||||
request_address = ipaddress.IPv4Address(memoryview(pktinfo.ipi_addr).tobytes())
|
||||
receiving_interface = socket.if_indextoname(pktinfo.ipi_ifindex)
|
||||
log.debug("UDP server discovery request received on {} using {}".format(receiving_interface,
|
||||
request_address))
|
||||
local_address = ipaddress.IPv4Address(memoryview(pktinfo.ipi_spec_dst).tobytes())
|
||||
if self._host != "0.0.0.0" and self._host != str(local_address):
|
||||
log.debug("Ignoring UDP discovery request received on {} instead of {}".format(local_address,
|
||||
self._host))
|
||||
continue
|
||||
server_info = {"version": __version__,
|
||||
"ip": str(local_address),
|
||||
"port": self._port}
|
||||
data = json.dumps(server_info)
|
||||
sock.sendto(data.encode(), address)
|
||||
log.debug("Sent server info to {}:{} {}".format(address[0], address[1], data))
|
||||
time.sleep(1) # this is to prevent too many request to slow down the server
|
||||
log.debug("UDP server discovery stopped")
|
||||
|
||||
def run(self):
|
||||
"""
|
||||
Starts the server.
|
||||
@ -322,11 +259,6 @@ class WebServer:
|
||||
if server_config.getboolean("shell"):
|
||||
asyncio.async(self.start_shell())
|
||||
|
||||
if sys.platform.startswith("linux") and server_config.getboolean("server_discovery"):
|
||||
# UDP discovery is only supported on Linux
|
||||
udp_server_discovery = threading.Thread(target=self._udp_server_discovery, daemon=True)
|
||||
udp_server_discovery.start()
|
||||
|
||||
try:
|
||||
self._loop.run_forever()
|
||||
except TypeError as e:
|
||||
|
Loading…
Reference in New Issue
Block a user