moved daemon/sbin to daemon/scripts
This commit is contained in:
Blake J. Harnden
parent
ac81c049ee
commit
09cf406187
7 changed files with 4 additions and 11 deletions
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@ -1,64 +0,0 @@
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#!/bin/sh
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if [ "z$1" = "z-h" -o "z$1" = "z--help" ]; then
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echo "usage: $0 [-d [-l]]"
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echo -n " Clean up all CORE namespaces processes, bridges, interfaces, "
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echo "and session\n directories. Options:"
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echo " -h show this help message and exit"
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echo " -d also kill the Python daemon"
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echo " -l remove the core-daemon.log file"
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exit 0
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fi
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if [ `id -u` != 0 ]; then
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echo "Permission denied. Re-run this script as root."
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exit 1
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fi
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PATH="/sbin:/bin:/usr/sbin:/usr/bin"
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export PATH
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if [ "z$1" = "z-d" ]; then
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pypids=`pidof python python2`
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for p in $pypids; do
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grep -q core-daemon /proc/$p/cmdline
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if [ $? = 0 ]; then
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echo "cleaning up core-daemon process: $p"
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kill -9 $p
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fi
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done
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fi
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if [ "z$2" = "z-l" ]; then
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rm -f /var/log/core-daemon.log
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fi
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vnodedpids=`pidof vnoded`
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if [ "z$vnodedpids" != "z" ]; then
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echo "cleaning up old vnoded processes: $vnodedpids"
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killall -v -KILL vnoded
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# pause for 1 second for interfaces to disappear
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sleep 1
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fi
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killall -q emane
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killall -q emanetransportd
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killall -q emaneeventservice
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if [ -d /sys/class/net ]; then
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ifcommand="ls -1 /sys/class/net"
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else
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ifcommand="ip -o link show | sed -r -e 's/[0-9]+: ([^[:space:]]+): .*/\1/'"
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fi
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eval "$ifcommand" | awk '
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/^veth[0-9]+\./ {print "removing interface " $1; system("ip link del " $1);}
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/tmp\./ {print "removing interface " $1; system("ip link del " $1);}
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/gt\./ {print "removing interface " $1; system("ip link del " $1);}
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/b\./ {print "removing bridge " $1; system("ip link set " $1 " down; brctl delbr " $1);}
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'
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ebtables -L FORWARD | awk '
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/^-.*b\./ {print "removing ebtables " $0; system("ebtables -D FORWARD " $0); print "removing ebtables chain " $4; system("ebtables -X " $4);}
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'
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rm -rf /tmp/pycore*
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@ -1,316 +0,0 @@
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#!/usr/bin/env python
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"""
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core-daemon: the CORE daemon is a server process that receives CORE API
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messages and instantiates emulated nodes and networks within the kernel. Various
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message handlers are defined and some support for sending messages.
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"""
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import ConfigParser
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import atexit
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import optparse
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import os
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import signal
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import socket
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import sys
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import threading
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import time
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from core import constants
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from core import corehandlers
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from core import coreserver
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from core import enumerations
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from core import logger
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from core import services
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from core.api import coreapi
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from core.corehandlers import CoreDatagramRequestHandler
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from core.enumerations import MessageFlags
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from core.enumerations import RegisterTlvs
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from core.misc import nodeutils
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from core.misc.utils import close_onexec
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from core.misc.utils import daemonize
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from core.service import ServiceManager
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DEFAULT_MAXFD = 1024
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def startudp(core_server, server_address):
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"""
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Start a thread running a UDP server on the same host,port for connectionless requests.
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:param core.coreserver.CoreServer core_server: core server instance
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:param tuple[str, int] server_address: server address
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:return: created core udp server
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:rtype: core.coreserver.CoreUdpServer
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"""
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core_server.udpserver = coreserver.CoreUdpServer(server_address, CoreDatagramRequestHandler, core_server)
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core_server.udpthread = threading.Thread(target=core_server.udpserver.start)
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core_server.udpthread.daemon = True
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core_server.udpthread.start()
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return core_server.udpserver
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def banner():
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"""
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Output the program banner printed to the terminal or log file.
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:return: nothing
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"""
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logger.info("CORE daemon v.%s started %s\n" % (constants.COREDPY_VERSION, time.ctime()))
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def cored(cfg=None):
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"""
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Start the CoreServer object and enter the server loop.
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:param dict cfg: core configuration
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:return: nothing
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"""
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host = cfg["listenaddr"]
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port = int(cfg["port"])
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if host == "" or host is None:
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host = "localhost"
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try:
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server = coreserver.CoreServer((host, port), corehandlers.CoreRequestHandler, cfg)
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except:
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logger.exception("error starting main server on: %s:%s", host, port)
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sys.exit(1)
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close_onexec(server.fileno())
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logger.info("main server started, listening on: %s:%s\n" % (host, port))
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udpserver = startudp(server, (host, port))
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close_onexec(udpserver.fileno())
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server.serve_forever()
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# TODO: should sessions and the main core daemon both catch at exist to shutdown independently?
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def cleanup():
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"""
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Runs server shutdown and cleanup when catching an exit signal.
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:return: nothing
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"""
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while coreserver.CoreServer.servers:
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server = coreserver.CoreServer.servers.pop()
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server.shutdown()
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atexit.register(cleanup)
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def sighandler(signum, stackframe):
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"""
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Signal handler when different signals are sent.
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:param int signum: singal number sent
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:param stackframe: stack frame sent
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:return: nothing
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"""
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logger.error("terminated by signal: %s", signum)
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sys.exit(signum)
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signal.signal(signal.SIGHUP, sighandler)
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signal.signal(signal.SIGINT, sighandler)
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signal.signal(signal.SIGTERM, sighandler)
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signal.signal(signal.SIGUSR1, sighandler)
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signal.signal(signal.SIGUSR2, sighandler)
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def logrotate(stdout, stderr, stdoutmode=0644, stderrmode=0644):
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"""
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Log rotation method.
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:param stdout: stdout
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:param stderr: stderr
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:param int stdoutmode: stdout mode
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:param int stderrmode: stderr mode
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:return:
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"""
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def reopen(fileno, filename, mode):
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err = 0
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fd = -1
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try:
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fd = os.open(filename,
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os.O_WRONLY | os.O_CREAT | os.O_APPEND, mode)
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os.dup2(fd, fileno)
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except OSError as e:
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err = e.errno
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finally:
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if fd >= 0:
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os.close(fd)
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return err
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if stdout:
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err = reopen(1, stdout, stdoutmode)
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if stderr:
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if stderr == stdout and not err:
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try:
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os.dup2(1, 2)
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except OSError as e:
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pass
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else:
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reopen(2, stderr, stderrmode)
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def get_merged_config(filename):
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"""
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Return a configuration after merging config file and command-line arguments.
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:param str filename: file name to merge configuration settings with
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:return: merged configuration
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:rtype: dict
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"""
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# these are the defaults used in the config file
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defaults = {"port": "%d" % enumerations.CORE_API_PORT,
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"listenaddr": "localhost",
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"pidfile": "%s/run/core-daemon.pid" % constants.CORE_STATE_DIR,
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"logfile": "%s/log/core-daemon.log" % constants.CORE_STATE_DIR,
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"xmlfilever": "1.0",
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"numthreads": "1",
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"verbose": "False",
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"daemonize": "False",
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"debug": "False",
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"execfile": None,
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}
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usagestr = "usage: %prog [-h] [options] [args]\n\n" + \
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"CORE daemon v.%s instantiates Linux network namespace " \
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"nodes." % constants.COREDPY_VERSION
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parser = optparse.OptionParser(usage=usagestr)
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parser.add_option("-f", "--configfile", dest="configfile",
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type="string",
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help="read config from specified file; default = %s" %
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filename)
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parser.add_option("-d", "--daemonize", dest="daemonize",
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action="store_true",
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help="run in background as daemon; default=%s" % \
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defaults["daemonize"])
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parser.add_option("-e", "--execute", dest="execfile", type="string",
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help="execute a Python/XML-based session")
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parser.add_option("-l", "--logfile", dest="logfile", type="string",
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help="log output to specified file; default = %s" %
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defaults["logfile"])
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parser.add_option("-p", "--port", dest="port", type=int,
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help="port number to listen on; default = %s" % \
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defaults["port"])
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parser.add_option("-i", "--pidfile", dest="pidfile",
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help="filename to write pid to; default = %s" % \
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defaults["pidfile"])
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parser.add_option("-t", "--numthreads", dest="numthreads", type=int,
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help="number of server threads; default = %s" % \
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defaults["numthreads"])
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parser.add_option("-v", "--verbose", dest="verbose", action="store_true",
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help="enable verbose logging; default = %s" % \
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defaults["verbose"])
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parser.add_option("-g", "--debug", dest="debug", action="store_true",
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help="enable debug logging; default = %s" % \
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defaults["debug"])
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# parse command line options
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options, args = parser.parse_args()
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# read the config file
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if options.configfile is not None:
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filename = options.configfile
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del options.configfile
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cfg = ConfigParser.SafeConfigParser(defaults)
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cfg.read(filename)
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section = "core-daemon"
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if not cfg.has_section(section):
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cfg.add_section(section)
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# gracefully support legacy configs (cored.py/cored now core-daemon)
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if cfg.has_section("cored.py"):
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for name, val in cfg.items("cored.py"):
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if name == "pidfile" or name == "logfile":
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bn = os.path.basename(val).replace("coredpy", "core-daemon")
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val = os.path.join(os.path.dirname(val), bn)
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cfg.set(section, name, val)
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if cfg.has_section("cored"):
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for name, val in cfg.items("cored"):
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if name == "pidfile" or name == "logfile":
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bn = os.path.basename(val).replace("cored", "core-daemon")
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val = os.path.join(os.path.dirname(val), bn)
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cfg.set(section, name, val)
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# merge command line with config file
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for opt in options.__dict__:
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val = options.__dict__[opt]
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if val is not None:
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cfg.set(section, opt, val.__str__())
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return dict(cfg.items(section)), args
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def exec_file(cfg):
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"""
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Send a Register Message to execute a new session based on XML or Python script file.
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:param dict cfg: configuration settings
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:return: 0
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"""
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filename = cfg["execfile"]
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logger.info("Telling daemon to execute file: %s...", filename)
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tlvdata = coreapi.CoreRegisterTlv.pack(RegisterTlvs.EXECUTE_SERVER.value, filename)
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msg = coreapi.CoreRegMessage.pack(MessageFlags.ADD.value, tlvdata)
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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# TODO: connect address option
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sock.connect(("localhost", int(cfg["port"])))
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sock.sendall(msg)
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return 0
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def main():
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"""
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Main program startup.
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:return: nothing
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"""
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# get a configuration merged from config file and command-line arguments
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cfg, args = get_merged_config("%s/core.conf" % constants.CORE_CONF_DIR)
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for a in args:
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logger.error("ignoring command line argument: %s", a)
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# attempt load custom services
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service_paths = cfg.get("custom_services_dir")
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logger.debug("custom service paths: %s", service_paths)
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if service_paths:
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for service_path in service_paths.split(','):
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service_path = service_path.strip()
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ServiceManager.add_services(service_path)
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if cfg["daemonize"] == "True":
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daemonize(rootdir=None, umask=0, close_fds=False,
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stdin=os.devnull,
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stdout=cfg["logfile"], stderr=cfg["logfile"],
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pidfilename=cfg["pidfile"],
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defaultmaxfd=DEFAULT_MAXFD)
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signal.signal(signal.SIGUSR1, lambda signum, stackframe:
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logrotate(stdout=cfg["logfile"], stderr=cfg["logfile"]))
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banner()
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if cfg["execfile"]:
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cfg["execfile"] = os.path.abspath(cfg["execfile"])
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sys.exit(exec_file(cfg))
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try:
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cored(cfg)
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except KeyboardInterrupt:
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logger.info("keyboard interrupt, stopping core daemon")
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sys.exit(0)
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if __name__ == "__main__":
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# configure nodes to use
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if len(sys.argv) == 2 and sys.argv[1] == "ovs":
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from core.netns.openvswitch import OVS_NODES
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nodeutils.update_node_map(OVS_NODES)
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# load default services
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services.load()
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main()
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@ -1,248 +0,0 @@
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#!/usr/bin/env python
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"""
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core-manage: Helper tool to add, remove, or check for services, models, and
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node types in a CORE installation.
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"""
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import ast
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import optparse
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import os
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import re
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import sys
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from core import services
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from core.constants import CORE_CONF_DIR
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class FileUpdater(object):
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"""
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Helper class for changing configuration files.
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"""
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actions = ("add", "remove", "check")
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targets = ("service", "model", "nodetype")
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def __init__(self, action, target, data, options):
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"""
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"""
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self.action = action
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self.target = target
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self.data = data
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self.options = options
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self.verbose = options.verbose
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self.search, self.filename = self.get_filename(target)
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def process(self):
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""" Invoke update_file() using a helper method depending on target.
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"""
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if self.verbose:
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txt = "Updating"
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if self.action == "check":
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txt = "Checking"
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sys.stdout.write("%s file: %s\n" % (txt, self.filename))
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if self.target == "service":
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r = self.update_file(fn=self.update_services)
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elif self.target == "model":
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r = self.update_file(fn=self.update_emane_models)
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elif self.target == "nodetype":
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r = self.update_nodes_conf()
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if self.verbose:
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txt = ""
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if not r:
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txt = "NOT "
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if self.action == "check":
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sys.stdout.write("String %sfound.\n" % txt)
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else:
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sys.stdout.write("File %supdated.\n" % txt)
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return r
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def update_services(self, line):
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""" Modify the __init__.py file having this format:
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__all__ = ["quagga", "nrl", "xorp", "bird", ]
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Returns True or False when "check" is the action, a modified line
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otherwise.
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"""
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line = line.strip("\n")
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key, valstr = line.split("= ")
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vals = ast.literal_eval(valstr)
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r = self.update_keyvals(key, vals)
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if self.action == "check":
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return r
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valstr = "%s" % r
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return "= ".join([key, valstr]) + "\n"
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def update_emane_models(self, line):
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""" Modify the core.conf file having this format:
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emane_models = RfPipe, Ieee80211abg, CommEffect, Bypass
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Returns True or False when "check" is the action, a modified line
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otherwise.
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"""
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line = line.strip("\n")
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key, valstr = line.split("= ")
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vals = valstr.split(", ")
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r = self.update_keyvals(key, vals)
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if self.action == "check":
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return r
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valstr = ", ".join(r)
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return "= ".join([key, valstr]) + "\n"
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def update_keyvals(self, key, vals):
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""" Perform self.action on (key, vals).
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Returns True or False when "check" is the action, a modified line
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otherwise.
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"""
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if self.action == "check":
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if self.data in vals:
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return True
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else:
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return False
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elif self.action == "add":
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if self.data not in vals:
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vals.append(self.data)
|
||||
elif self.action == "remove":
|
||||
try:
|
||||
vals.remove(self.data)
|
||||
except ValueError:
|
||||
pass
|
||||
return vals
|
||||
|
||||
def get_filename(self, target):
|
||||
""" Return search string and filename based on target.
|
||||
"""
|
||||
if target == "service":
|
||||
filename = os.path.abspath(services.__file__)
|
||||
search = "__all__ ="
|
||||
elif target == "model":
|
||||
filename = os.path.join(CORE_CONF_DIR, "core.conf")
|
||||
search = "emane_models ="
|
||||
elif target == "nodetype":
|
||||
if self.options.userpath is None:
|
||||
raise ValueError, "missing user path"
|
||||
filename = os.path.join(self.options.userpath, "nodes.conf")
|
||||
search = self.data
|
||||
else:
|
||||
raise ValueError, "unknown target"
|
||||
if not os.path.exists(filename):
|
||||
raise ValueError, "file %s does not exist" % filename
|
||||
return search, filename
|
||||
|
||||
def update_file(self, fn=None):
|
||||
""" Open a file and search for self.search, invoking the supplied
|
||||
function on the matching line. Write file changes if necessary.
|
||||
Returns True if the file has changed (or action is "check" and the
|
||||
search string is found), False otherwise.
|
||||
"""
|
||||
changed = False
|
||||
output = "" # this accumulates output, assumes input is small
|
||||
with open(self.filename, "r") as f:
|
||||
for line in f:
|
||||
if line[:len(self.search)] == self.search:
|
||||
r = fn(line) # line may be modified by fn() here
|
||||
if self.action == "check":
|
||||
return r
|
||||
else:
|
||||
if line != r:
|
||||
changed = True
|
||||
line = r
|
||||
output += line
|
||||
if changed:
|
||||
with open(self.filename, "w") as f:
|
||||
f.write(output)
|
||||
|
||||
return changed
|
||||
|
||||
def update_nodes_conf(self):
|
||||
""" Add/remove/check entries from nodes.conf. This file
|
||||
contains a Tcl-formatted array of node types. The array index must be
|
||||
properly set for new entries. Uses self.{action, filename, search,
|
||||
data} variables as input and returns the same value as update_file().
|
||||
"""
|
||||
changed = False
|
||||
output = "" # this accumulates output, assumes input is small
|
||||
with open(self.filename, "r") as f:
|
||||
for line in f:
|
||||
# make sure data is not added twice
|
||||
if line.find(self.search) >= 0:
|
||||
if self.action == "check":
|
||||
return True
|
||||
elif self.action == "add":
|
||||
return False
|
||||
elif self.action == "remove":
|
||||
changed = True
|
||||
continue
|
||||
else:
|
||||
output += line
|
||||
|
||||
if self.action == "add":
|
||||
index = int(re.match("^\d+", line).group(0))
|
||||
output += str(index + 1) + " " + self.data + "\n"
|
||||
changed = True
|
||||
if changed:
|
||||
with open(self.filename, "w") as f:
|
||||
f.write(output)
|
||||
|
||||
return changed
|
||||
|
||||
|
||||
def main():
|
||||
usagestr = "usage: %prog [-h] [options] <action> <target> <string>\n"
|
||||
usagestr += "\nHelper tool to add, remove, or check for "
|
||||
usagestr += "services, models, and node types\nin a CORE installation.\n"
|
||||
usagestr += "\nExamples:\n %prog add service newrouting"
|
||||
usagestr += "\n %prog -v check model RfPipe"
|
||||
usagestr += "\n %prog --userpath=\"$HOME/.core\" add nodetype \"{ftp ftp.gif ftp.gif {DefaultRoute FTP} netns {FTP server} }\" \n"
|
||||
usagestr += "\nArguments:\n <action> should be one of: %s" % \
|
||||
", ".join(FileUpdater.actions)
|
||||
usagestr += "\n <target> should be one of: %s" % \
|
||||
", ".join(FileUpdater.targets)
|
||||
usagestr += "\n <string> is the text to %s" % \
|
||||
", ".join(FileUpdater.actions)
|
||||
parser = optparse.OptionParser(usage=usagestr)
|
||||
parser.set_defaults(userpath=None, verbose=False, )
|
||||
|
||||
parser.add_option("--userpath", dest="userpath", type="string",
|
||||
help="use the specified user path (e.g. \"$HOME/.core" \
|
||||
"\") to access nodes.conf")
|
||||
parser.add_option("-v", "--verbose", dest="verbose", action="store_true",
|
||||
help="be verbose when performing action")
|
||||
|
||||
def usage(msg=None, err=0):
|
||||
sys.stdout.write("\n")
|
||||
if msg:
|
||||
sys.stdout.write(msg + "\n\n")
|
||||
parser.print_help()
|
||||
sys.exit(err)
|
||||
|
||||
(options, args) = parser.parse_args()
|
||||
|
||||
if len(args) != 3:
|
||||
usage("Missing required arguments!", 1)
|
||||
|
||||
action = args[0]
|
||||
if action not in FileUpdater.actions:
|
||||
usage("invalid action %s" % action, 1)
|
||||
|
||||
target = args[1]
|
||||
if target not in FileUpdater.targets:
|
||||
usage("invalid target %s" % target, 1)
|
||||
|
||||
if target == "nodetype" and not options.userpath:
|
||||
usage("user path option required for this target (%s)" % target)
|
||||
|
||||
data = args[2]
|
||||
|
||||
try:
|
||||
up = FileUpdater(action, target, data, options)
|
||||
r = up.process()
|
||||
except Exception, e:
|
||||
sys.stderr.write("Exception: %s\n" % e)
|
||||
sys.exit(1)
|
||||
if not r:
|
||||
sys.exit(1)
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
|
@ -1,275 +0,0 @@
|
|||
#!/usr/bin/env python
|
||||
"""
|
||||
coresendmsg: utility for generating CORE messages
|
||||
"""
|
||||
|
||||
import optparse
|
||||
import os
|
||||
import socket
|
||||
import sys
|
||||
|
||||
from core.api import coreapi
|
||||
from core.enumerations import CORE_API_PORT
|
||||
from core.enumerations import MessageFlags
|
||||
from core.enumerations import MessageTypes
|
||||
from core.enumerations import SessionTlvs
|
||||
|
||||
|
||||
def print_available_tlvs(t, tlv_class):
|
||||
"""
|
||||
Print a TLV list.
|
||||
"""
|
||||
print "TLVs available for %s message:" % t
|
||||
for tlv in sorted([tlv for tlv in tlv_class.tlv_type_map], key=lambda x: x.name):
|
||||
print "%s:%s" % (tlv.value, tlv.name)
|
||||
|
||||
|
||||
def print_examples(name):
|
||||
"""
|
||||
Print example usage of this script.
|
||||
"""
|
||||
examples = [
|
||||
("link n1number=2 n2number=3 delay=15000",
|
||||
"set a 15ms delay on the link between n2 and n3"),
|
||||
("link n1number=2 n2number=3 guiattr=\"color=blue\"",
|
||||
"change the color of the link between n2 and n3"),
|
||||
("node number=3 xpos=125 ypos=525",
|
||||
"move node number 3 to x,y=(125,525)"),
|
||||
("node number=4 icon=/usr/local/share/core/icons/normal/router_red.gif",
|
||||
"change node number 4\"s icon to red"),
|
||||
("node flags=add number=5 type=0 name=\"n5\" xpos=500 ypos=500",
|
||||
"add a new router node n5"),
|
||||
("link flags=add n1number=4 n2number=5 if1ip4=\"10.0.3.2\" " \
|
||||
"if1ip4mask=24 if2ip4=\"10.0.3.1\" if2ip4mask=24",
|
||||
"link node n5 with n4 using the given interface addresses"),
|
||||
("exec flags=str,txt node=1 num=1000 cmd=\"uname -a\" -l",
|
||||
"run a command on node 1 and wait for the result"),
|
||||
("exec node=2 num=1001 cmd=\"killall ospfd\"",
|
||||
"run a command on node 2 and ignore the result"),
|
||||
("file flags=add node=1 name=\"/var/log/test.log\" data=\"Hello World.\"",
|
||||
"write a test.log file on node 1 with the given contents"),
|
||||
("file flags=add node=2 name=\"test.log\" " \
|
||||
"srcname=\"./test.log\"",
|
||||
"move a test.log file from host to node 2"),
|
||||
]
|
||||
print "Example %s invocations:" % name
|
||||
for cmd, descr in examples:
|
||||
print " %s %s\n\t\t%s" % (name, cmd, descr)
|
||||
|
||||
|
||||
def receive_message(sock):
|
||||
"""
|
||||
Retrieve a message from a socket and return the CoreMessage object or
|
||||
None upon disconnect. Socket data beyond the first message is dropped.
|
||||
"""
|
||||
try:
|
||||
# large receive buffer used for UDP sockets, instead of just receiving
|
||||
# the 4-byte header
|
||||
data = sock.recv(4096)
|
||||
msghdr = data[:coreapi.CoreMessage.header_len]
|
||||
except KeyboardInterrupt:
|
||||
print "CTRL+C pressed"
|
||||
sys.exit(1)
|
||||
|
||||
if len(msghdr) == 0:
|
||||
return None
|
||||
|
||||
msgdata = None
|
||||
msgtype, msgflags, msglen = coreapi.CoreMessage.unpack_header(msghdr)
|
||||
|
||||
if msglen:
|
||||
msgdata = data[coreapi.CoreMessage.header_len:]
|
||||
try:
|
||||
msgcls = coreapi.CLASS_MAP[msgtype]
|
||||
except KeyError:
|
||||
msg = coreapi.CoreMessage(msgflags, msghdr, msgdata)
|
||||
msg.message_type = msgtype
|
||||
print "unimplemented CORE message type: %s" % msg.type_str()
|
||||
return msg
|
||||
if len(data) > msglen + coreapi.CoreMessage.header_len:
|
||||
print "received a message of type %d, dropping %d bytes of extra data" \
|
||||
% (msgtype, len(data) - (msglen + coreapi.CoreMessage.header_len))
|
||||
return msgcls(msgflags, msghdr, msgdata)
|
||||
|
||||
|
||||
def connect_to_session(sock, requested):
|
||||
"""
|
||||
Use Session Messages to retrieve the current list of sessions and
|
||||
connect to the first one.
|
||||
"""
|
||||
# request the session list
|
||||
tlvdata = coreapi.CoreSessionTlv.pack(SessionTlvs.NUMBER.value, "0")
|
||||
flags = MessageFlags.STRING.value
|
||||
smsg = coreapi.CoreSessionMessage.pack(flags, tlvdata)
|
||||
sock.sendall(smsg)
|
||||
|
||||
print "waiting for session list..."
|
||||
smsgreply = receive_message(sock)
|
||||
if smsgreply is None:
|
||||
print "disconnected"
|
||||
return False
|
||||
|
||||
sessstr = smsgreply.get_tlv(SessionTlvs.NUMBER.value)
|
||||
if sessstr is None:
|
||||
print "missing session numbers"
|
||||
return False
|
||||
|
||||
# join the first session (that is not our own connection)
|
||||
tmp, localport = sock.getsockname()
|
||||
sessions = sessstr.split("|")
|
||||
sessions.remove(str(localport))
|
||||
if len(sessions) == 0:
|
||||
print "no sessions to join"
|
||||
return False
|
||||
|
||||
if not requested:
|
||||
session = sessions[0]
|
||||
elif requested in sessions:
|
||||
session = requested
|
||||
else:
|
||||
print "requested session not found!"
|
||||
return False
|
||||
|
||||
print "joining session %s..." % session
|
||||
tlvdata = coreapi.CoreSessionTlv.pack(SessionTlvs.NUMBER, session)
|
||||
flags = MessageFlags.ADD
|
||||
smsg = coreapi.CoreSessionMessage.pack(flags, tlvdata)
|
||||
sock.sendall(smsg)
|
||||
return True
|
||||
|
||||
|
||||
def receive_response(sock, opt):
|
||||
"""
|
||||
Receive and print a CORE message from the given socket.
|
||||
"""
|
||||
print "waiting for response..."
|
||||
msg = receive_message(sock)
|
||||
if msg is None:
|
||||
print "disconnected from %s:%s" % (opt.address, opt.port)
|
||||
sys.exit(0)
|
||||
print "received message:", msg
|
||||
|
||||
|
||||
def main():
|
||||
"""
|
||||
Parse command-line arguments to build and send a CORE message.
|
||||
"""
|
||||
types = [message_type.name for message_type in MessageTypes]
|
||||
flags = [flag.name for flag in MessageFlags]
|
||||
usagestr = "usage: %prog [-h|-H] [options] [message-type] [flags=flags] "
|
||||
usagestr += "[message-TLVs]\n\n"
|
||||
usagestr += "Supported message types:\n %s\n" % types
|
||||
usagestr += "Supported message flags (flags=f1,f2,...):\n %s" % flags
|
||||
parser = optparse.OptionParser(usage=usagestr)
|
||||
parser.set_defaults(
|
||||
port=CORE_API_PORT,
|
||||
address="localhost",
|
||||
session=None,
|
||||
listen=False,
|
||||
examples=False,
|
||||
tlvs=False,
|
||||
tcp=False
|
||||
)
|
||||
|
||||
parser.add_option("-H", dest="examples", action="store_true",
|
||||
help="show example usage help message and exit")
|
||||
parser.add_option("-p", "--port", dest="port", type=int,
|
||||
help="TCP port to connect to, default: %d" % \
|
||||
parser.defaults["port"])
|
||||
parser.add_option("-a", "--address", dest="address", type=str,
|
||||
help="Address to connect to, default: %s" % \
|
||||
parser.defaults["address"])
|
||||
parser.add_option("-s", "--session", dest="session", type=str,
|
||||
help="Session to join, default: %s" % \
|
||||
parser.defaults["session"])
|
||||
parser.add_option("-l", "--listen", dest="listen", action="store_true",
|
||||
help="Listen for a response message and print it.")
|
||||
parser.add_option("-t", "--list-tlvs", dest="tlvs", action="store_true",
|
||||
help="List TLVs for the specified message type.")
|
||||
|
||||
def usage(msg=None, err=0):
|
||||
sys.stdout.write("\n")
|
||||
if msg:
|
||||
sys.stdout.write(msg + "\n\n")
|
||||
parser.print_help()
|
||||
sys.exit(err)
|
||||
|
||||
# parse command line opt
|
||||
opt, args = parser.parse_args()
|
||||
if opt.examples:
|
||||
print_examples(os.path.basename(sys.argv[0]))
|
||||
sys.exit(0)
|
||||
if len(args) == 0:
|
||||
usage("Please specify a message type to send.")
|
||||
|
||||
# given a message type t, determine the message and TLV classes
|
||||
t = args.pop(0)
|
||||
if t not in types:
|
||||
usage("Unknown message type requested: %s" % t)
|
||||
message_type = MessageTypes[t]
|
||||
msg_cls = coreapi.CLASS_MAP[message_type.value]
|
||||
tlv_cls = msg_cls.tlv_class
|
||||
|
||||
# list TLV types for this message type
|
||||
if opt.tlvs:
|
||||
print_available_tlvs(t, tlv_cls)
|
||||
sys.exit(0)
|
||||
|
||||
# build a message consisting of TLVs from "type=value" arguments
|
||||
flagstr = ""
|
||||
tlvdata = ""
|
||||
for a in args:
|
||||
typevalue = a.split("=")
|
||||
if len(typevalue) < 2:
|
||||
usage("Use \"type=value\" syntax instead of \"%s\"." % a)
|
||||
tlv_typestr = typevalue[0]
|
||||
tlv_valstr = "=".join(typevalue[1:])
|
||||
if tlv_typestr == "flags":
|
||||
flagstr = tlv_valstr
|
||||
continue
|
||||
|
||||
tlv_name = tlv_typestr
|
||||
tlv_type = tlv_cls[tlv_name].value
|
||||
try:
|
||||
tlv_cls.tlv_type_map[tlv_name]
|
||||
except KeyError:
|
||||
usage("Unknown TLV: \"%s\"" % tlv_name)
|
||||
tlvdata += tlv_cls.pack_string(tlv_type, tlv_valstr)
|
||||
|
||||
flags = 0
|
||||
for f in flagstr.split(","):
|
||||
if f == "":
|
||||
continue
|
||||
|
||||
try:
|
||||
flag_enum = MessageFlags[f]
|
||||
n = flag_enum.value
|
||||
flags |= n
|
||||
except KeyError:
|
||||
usage("Invalid flag \"%s\"." % f)
|
||||
|
||||
msg = msg_cls.pack(flags, tlvdata)
|
||||
|
||||
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
sock.setblocking(True)
|
||||
|
||||
try:
|
||||
sock.connect((opt.address, opt.port))
|
||||
except Exception as e:
|
||||
print "Error connecting to %s:%s:\n\t%s" % (opt.address, opt.port, e)
|
||||
sys.exit(1)
|
||||
|
||||
if not connect_to_session(sock, opt.session):
|
||||
print "warning: continuing without joining a session!"
|
||||
|
||||
sock.sendall(msg)
|
||||
if opt.listen:
|
||||
receive_response(sock, opt)
|
||||
if opt.tcp:
|
||||
sock.shutdown(socket.SHUT_RDWR)
|
||||
sock.close()
|
||||
sys.exit(0)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
Loading…
Add table
Add a link
Reference in a new issue