#!/usr/bin/python
"""Main CGI script for web interface"""
+from __future__ import with_statement
+
import base64
import cPickle
import cgi
import random
import sha
import sys
+import threading
import time
import urllib
import socket
atmulti = ajaxterm.Multiplex()
atsessions = {}
+ atsessions_lock = threading.Lock()
@cherrypy.expose
@cherrypy.tools.mako(filename="/terminal.mako")
@cherrypy.tools.gzip()
def at(self, machine_id, k=None, c=0, force=0):
machine = validation.Validate(cherrypy.request.login, cherrypy.request.state, machine_id=machine_id).machine
- if machine_id in self.atsessions:
- term = self.atsessions[machine_id]
- else:
- print >>sys.stderr, "spawning new session for terminal to ",machine_id
- term = self.atsessions[machine_id] = self.atmulti.create(
- ["ssh", "-e","none", "-l", machine.name, config.console.hostname]
- )
- if k:
- self.atmulti.proc_write(term,k)
- time.sleep(0.002)
- dump=self.atmulti.dump(term,c,int(force))
- cherrypy.response.headers['Content-Type']='text/xml'
- if isinstance(dump,str):
- return dump
- else:
- print "Removing session for", machine_id
- del self.atsessions[machine_id]
- return '<?xml version="1.0"?><idem></idem>'
+ with self.atsessions_lock:
+ if machine_id in self.atsessions:
+ term = self.atsessions[machine_id]
+ else:
+ print >>sys.stderr, "spawning new session for terminal to ",machine_id
+ term = self.atsessions[machine_id] = self.atmulti.create(
+ ["ssh", "-e","none", "-l", machine.name, config.console.hostname]
+ )
+ if k:
+ self.atmulti.proc_write(term,k)
+ time.sleep(0.002)
+ dump=self.atmulti.dump(term,c,int(force))
+ cherrypy.response.headers['Content-Type']='text/xml'
+ if isinstance(dump,str):
+ return dump
+ else:
+ print "Removing session for", machine_id
+ del self.atsessions[machine_id]
+ return '<?xml version="1.0"?><idem></idem>'
machine = MachineView()