def to_xdr_bytes(self) -> bytes:
packer = Packer()
self.pack(packer)
return packer.get_buffer()
def _pack(avps):
p = Packer()
for a in avps:
a.encode(p)
return p.get_buffer()
def _gmetric(self, name, val, metric_type, units, slope, tmax, dmax, group,
title, description, spoof):
meta = Packer()
HOSTNAME = socket.gethostname()
if spoof:
SPOOF_ENABLED = 1
else:
SPOOF_ENABLED = 0
# Meta data about a metric
packet_type = 128
meta.pack_int(packet_type)
if SPOOF_ENABLED == 1:
meta.pack_string(spoof)
else:
meta.pack_string(HOSTNAME)
meta.pack_string(name)
meta.pack_int(SPOOF_ENABLED)
meta.pack_string(metric_type)
meta.pack_string(name)
meta.pack_string(units)
meta.pack_int(METRIC_SLOPES[slope]) # map slope string to int
meta.pack_uint(int(tmax))
meta.pack_uint(int(dmax))
extra_data = 0
if group:
extra_data += 1
if title:
extra_data += 1
if description:
extra_data += 1
meta.pack_int(extra_data)
if group:
for g in group.split(','):
meta.pack_string("GROUP")
meta.pack_string(g)
if title:
meta.pack_string("TITLE")
meta.pack_string(title)
if description:
meta.pack_string("DESC")
meta.pack_string(description)
# Actual data sent in a separate packet
data = Packer()
packet_type = METRIC_TYPES[metric_type]
data.pack_int(packet_type)
if SPOOF_ENABLED == 1:
data.pack_string(spoof)
else:
data.pack_string(HOSTNAME)
data.pack_string(name)
data.pack_int(SPOOF_ENABLED)
if metric_type in ['int8', 'uint8', 'int16', 'uint16', 'int32']:
data.pack_string("%d")
data.pack_int(int(val))
if metric_type == 'uint32':
data.pack_string("%u")
data.pack_uint(long(val))
if metric_type == 'string':
data.pack_string("%s")
data.pack_string(str(val))
if metric_type == 'float':
data.pack_string("%f")
data.pack_float(float(val))
if metric_type == 'double':
data.pack_string("%f")
data.pack_double(float(val)) # XXX - double or float?
return meta.get_buffer(), data.get_buffer()
def encode(self):
'''Return the serialized bytes for the object.'''
with _convert_exceptions():
xdr = Packer()
self.encode_xdr(xdr)
return xdr.get_buffer()
import socket from xdrlib import Packer host = 'localhost' port = 8000 s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) s.connect((host, port)) p = Packer() p.pack_int(1) s.send(p.get_buffer()) data = s.recv(1024) s.close() print 'recibido', repr(data)
