def _getSession(self, name):
"""Check NAME is valid and a known session. If yes, returns the
session data, otherwise None. Locks the session before returning
it, making sure all other threads have released the session. The
caller _MUST_ release the session lock before the HTTP request
handling returns, or the next access to the session will hang."""
s = None
if re.match("^[-A-Za-z0-9_]+$", name):
self.lock.acquire()
if name not in self.sessions:
path = "%s/%s" % (self.sessiondir, name)
if os.path.exists(path):
try:
self.sessions[name] = pickle.load(file(path, "r"))
except Exception, e:
_logerr("FAILURE: cannot load session data: " + str(e))
s = self.sessions.get(name, None)
self.lock.release()
if s:
current = self._sessionClientData()
if s['core.clientid'] == current and s['core.name'] == name:
if 'core.lock' not in s:
s['core.lock'] = Lock()
s['core.lock'].acquire()
s['core.stamp'] = time.time()
else:
s = None
def _getSession(self, name):
"""Check NAME is valid and a known session. If yes, returns the
session data, otherwise None. Locks the session before returning
it, making sure all other threads have released the session. The
caller _MUST_ release the session lock before the HTTP request
handling returns, or the next access to the session will hang."""
s = None
if re.match("^[-A-Za-z0-9_]+$", name):
self.lock.acquire()
if name not in self.sessions:
path = "%s/%s" % (self.sessiondir, name)
if os.path.exists(path):
try:
self.sessions[name] = pickle.load(file(path, "r"))
except Exception, e:
_logerr("FAILURE: cannot load session data: " + str(e))
s = self.sessions.get(name, None)
self.lock.release()
if s:
current = self._sessionClientData()
if s['core.clientid'] == current and s['core.name'] == name:
if 'core.lock' not in s:
s['core.lock'] = Lock()
s['core.lock'].acquire()
s['core.stamp'] = time.time()
else:
s = None
def __init__(self,gui,rank,category,name,*args):
_loginfo("FILELIGHT_W: Workspace created")
CompWorkspace.__init__(self, gui, rank, category, 'filelight', name, [self.FileLightSiteView(self),self.FileLightGroupView(self)])
gui._addJSFragment("%s/javascript/Overview/FileLight.js" % gui.contentpath)
self.source = None
for s in gui.sources:
if s.plothook=='filelight':
self.source = s
if self.source==None:
_logerr("FILELIGHT_W: Couldn't find FileLightSource")
raise Exception, "FILELIGHT_W Couldn't find source"
def __init__(self,gui,rank,category,name,*args):
"""
Create a new ProdMonWorkspace instance. Note that we need to find ProdMonSource in the server
source list, or we'll exit ingloriously.
TODO: good mechanism for finding sources
TODO: SiteDB source integration
TODO: ProdRequest integration
"""
_loginfo("PRODMON_W: Workspace created")
CompWorkspace.__init__(self, gui, rank, category, 'prodmon', name, [ProdMonWorkspace.ProdMonSummary(self),ProdMonWorkspace.ProdMonPlot(self)])
gui._addJSFragment("%s/javascript/Overview/ProdMon.js" % gui.contentpath)
gui._addCSSFragment("%s/css/Overview/ProdMon.css" % gui.contentpath)
self.source = None
for s in gui.sources:
if s.plothook=='prodmon':
self.source = s
if self.source==None:
_logerr("PRODMON_W: Couldn't find ProdMonSource")
raise Exception, "PW: Failed to find prodmon source. Fatal."
def _error(self, code, message, detail=None):
_logerr("code=%d, message=%s, detail=%s" % (code, message, detail))
self._status(code, message, detail)
raise HTTPError(500, message)
