def readall(self):
"""Take a snapshot of all variables from a connection.
This is much more efficient than reading all variables
individually. Currently, for local agents, it also guarantees
consistency between all read-only variables.
"""
if libweb100.web100_snap(self._readsnap) != libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
if libweb100.web100_snap(self._tunesnap) != libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
snap = {}
for (name, var) in self.agent.read_vars.items():
if var._group == self.agent._read_group:
if libweb100.web100_snap_read(var._var, self._readsnap, self.agent.bufp) != \
libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
else:
if libweb100.web100_snap_read(var._var, self._tunesnap, self.agent.bufp) != \
libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
val = var.val(self.agent.bufp)
snap[name] = val
return snap
def readall(self):
"""Take a snapshot of all variables from a connection.
This is much more efficient than reading all variables
individually. Currently, for local agents, it also guarantees
consistency between all read-only variables.
"""
if libweb100.web100_snap(
self._readsnap) != libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
if libweb100.web100_snap(
self._tunesnap) != libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
snap = {}
for (name, var) in self.agent.read_vars.items():
if var._group == self.agent._read_group:
if libweb100.web100_snap_read(var._var, self._readsnap, self.agent.bufp) != \
libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
else:
if libweb100.web100_snap_read(var._var, self._tunesnap, self.agent.bufp) != \
libweb100.WEB100_ERR_SUCCESS:
libweb100_err()
val = var.val(self.agent.bufp)
snap[name] = val
return snap
def mkdict(ctl, new, old):
"""
Convert a tctrl and two snaps into a dictionary. This parallels John Heffners
new python API for Web100, but handles deltas differently.
Don't compute deltas, if there is no prior (old) sample.
"""
r = {}
# process the control structure
# eeeewww clearly this is lame XXX
r["flag"]=ctl.flag
r["basemss"]=ctl.basemss
r["win"]=ctl.win
r["burstwin"]=ctl.burstwin
r["duration"]=ctl.duration
r["obswin"]=ctl.obswin
r["SSbursts"]=ctl.SSbursts
r["SSbully"]=ctl.SSbully
r["SSbullyStall"]=ctl.SSbullyStall
r["SSsumAwnd"]=ctl.SSsumAwnd
r["SScntAwnd"]=ctl.SScntAwnd
r["SSpoll"]=ctl.SSpoll
# Process the snaps
# This interim version violates clean layering:
# it uses a hybrid of libweb100 and PyWeb100
v = libweb100.web100_var_head(cvar.gread)
while v:
vv = PyWeb100.Web100Var(v, cvar.gread) # ugly
n = libweb100.web100_get_var_name(v)
t = libweb100.web100_get_var_type(v)
if libweb100.web100_snap_read(v, new, cvar.nbuf) != libweb100.WEB100_ERR_SUCCESS:
raise "snap read fail"
if old:
if libweb100.web100_snap_read(v, old, cvar.obuf) != libweb100.WEB100_ERR_SUCCESS:
raise "snap read fail"
if ( t == libweb100.WEB100_TYPE_COUNTER32 ):
r["abs_"+n]=rntohl(vv.val(cvar.nbuf)) # abs_ is absolute magnitude
if old:
delta = rntohl(vv.val(cvar.nbuf)) - rntohl(vv.val(cvar.obuf))
if delta < 0:
delta = delta + 4294967296
r[n] = delta
elif ( t == libweb100.WEB100_TYPE_COUNTER64 ):
r["abs_"+n]=rntohll(vv.val(cvar.nbuf)) # abs_ is absolute magnitude
if old:
# rntohl() is wrong
delta = rntohll(vv.val(cvar.nbuf)) - rntohll(vv.val(cvar.obuf))
if delta < 0:
delta = delta + 18446744073709551616
r[n] = delta
elif ( t == libweb100.WEB100_TYPE_GAUGE32 or
t == libweb100.WEB100_TYPE_INTEGER32 or
t == libweb100.WEB100_TYPE_UNSIGNED32 or
t == libweb100.WEB100_TYPE_TIME_TICKS or
t == libweb100.WEB100_TYPE_INTEGER ):
r[n] = rntohl(vv.val(cvar.nbuf))
else:
r[n] = vv.val(cvar.nbuf)
v = libweb100.web100_var_next(v)
# vv.free()
return(r)
def mkdict(ctl, new, old):
"""
Convert a tctrl and two snaps into a dictionary. This parallels John Heffners
new python API for Web100, but handles deltas differently.
Don't compute deltas, if there is no prior (old) sample.
"""
r = {}
# process the control structure
# eeeewww clearly this is lame XXX
r["flag"] = ctl.flag
r["basemss"] = ctl.basemss
r["win"] = ctl.win
r["burstwin"] = ctl.burstwin
r["duration"] = ctl.duration
r["obswin"] = ctl.obswin
r["SSbursts"] = ctl.SSbursts
r["SSbully"] = ctl.SSbully
r["SSbullyStall"] = ctl.SSbullyStall
r["SSsumAwnd"] = ctl.SSsumAwnd
r["SScntAwnd"] = ctl.SScntAwnd
r["SSpoll"] = ctl.SSpoll
# Process the snaps
# This interim version violates clean layering:
# it uses a hybrid of libweb100 and PyWeb100
v = libweb100.web100_var_head(cvar.gread)
while v:
vv = PyWeb100.Web100Var(v, cvar.gread) # ugly
n = libweb100.web100_get_var_name(v)
t = libweb100.web100_get_var_type(v)
if libweb100.web100_snap_read(
v, new, cvar.nbuf) != libweb100.WEB100_ERR_SUCCESS:
raise "snap read fail"
if old:
if libweb100.web100_snap_read(
v, old, cvar.obuf) != libweb100.WEB100_ERR_SUCCESS:
raise "snap read fail"
if (t == libweb100.WEB100_TYPE_COUNTER32):
r["abs_" + n] = rntohl(vv.val(
cvar.nbuf)) # abs_ is absolute magnitude
if old:
delta = rntohl(vv.val(cvar.nbuf)) - rntohl(vv.val(cvar.obuf))
if delta < 0:
delta = delta + 4294967296
r[n] = delta
elif (t == libweb100.WEB100_TYPE_COUNTER64):
r["abs_" + n] = rntohll(vv.val(
cvar.nbuf)) # abs_ is absolute magnitude
if old:
# rntohl() is wrong
delta = rntohll(vv.val(cvar.nbuf)) - rntohll(vv.val(cvar.obuf))
if delta < 0:
delta = delta + 18446744073709551616
r[n] = delta
elif (t == libweb100.WEB100_TYPE_GAUGE32
or t == libweb100.WEB100_TYPE_INTEGER32
or t == libweb100.WEB100_TYPE_UNSIGNED32
or t == libweb100.WEB100_TYPE_TIME_TICKS
or t == libweb100.WEB100_TYPE_INTEGER):
r[n] = rntohl(vv.val(cvar.nbuf))
else:
r[n] = vv.val(cvar.nbuf)
v = libweb100.web100_var_next(v)
# vv.free()
return (r)
