def dnssd_search(stype='_http._tcp'):
dnssd = zeroconf.search(name=None, type=stype, domain="local")
for key in dnssd:
inst_type = key[1]
# <Instance> must be a single DNS label, any dots should be escaped before concatenating
# all portions of a Service Instance Name, according to DNS-SD (RFC6763).
# A workaround is necessary for buggy software that does not adhere to the rules:
inst_name = re.sub(r'(?<!\\)\.', r'\.', key[0])
inst_fullname = dns.name.from_text(inst_name + '.' + inst_type).to_text(omit_final_dot=True)
try:
inst_hostname_rev_rr = dns.resolver.query(dns.reversename.from_address(dnssd[key]['address']), 'PTR')
except DNSException, e:
continue
dnssd[key]['hostname_rev'] = [i.to_text(relativize=False) for i in inst_hostname_rev_rr]
inst_port = dnssd[key]['port']
inst_txt_rdata_rev = re.split(r'(?<=")\s+(?=")', dnssd[key]['txt'])[::-1]
if not len(dnssd[key]['hostname_rev']) > 0:
continue
print "%-100s %-3s %-30s" % (inst_type, 'PTR', inst_fullname)
for h in dnssd[key]['hostname_rev']:
# replace hostname.local with reverse-resolved fqdn in TXT rdata
inst_txt_rdata_rev_host = [ re.sub(r'%s\.?' % dnssd[key]['hostname'], r'%s' % h.rstrip('.'), blob) for blob in inst_txt_rdata_rev ]
inst_txt_rdata_rev_host = ' '.join(inst_txt_rdata_rev_host)
print "%-100s %-3s %2d %2d %-5s %-50s" % (inst_fullname, 'SRV', 0, 0, inst_port, h)
if (dnssd[key]['txt'] != ''):
print "%-100s %-3s %s" % (inst_fullname, 'TXT', inst_txt_rdata_rev_host)
def zeroconf_search_multi(name=None,
types=[None],
domains=['local'],
sed_pattern=None,
sed_repl=None,
sed_service=[None]):
import zeroconf
default_subtypes = {
'_ipp._tcp': ['_universal._sub._ipp._tcp', '_cups._sub._ipp._tcp'],
'_ipps._tcp': ['_universal._sub._ipps._tcp', '_cups._sub._ipps._tcp'],
'_http._tcp': ['_printer._sub._http._tcp']
}
types = set(types)
domains = set(domains)
# special handling for subtypes: they are not queried through _services
# enumeration and we can not tell them apart in responses from the
# corresponding master service)
subtypes_all = {
type
for type in types
if isinstance(type, basestring) and len(re.split(r'(?<!\\)\.', type)) >
3 and re.split(r'(?<!\\)\.', type)[-3] == '_sub'
}
types -= subtypes_all
# enumerate for well known sub-types if the master is requested
for k in default_subtypes:
if k in types:
subtypes_all.update(default_subtypes[k])
# but also enumerate the master if a sub-type is requested
else:
types |= {k for i in default_subtypes[k] if i in subtypes_all}
filter_types = set()
stype = None
if len(types) > 1:
filter_types = types
elif types:
stype = types.pop()
results_all = {}
for domain in domains:
results = zeroconf.search(name=name, type=stype, domain=domain)
subtypes = subtypes_all
# add default subtypes to subtypes to be enumerated if the master is
# found in results
for subt_key in default_subtypes:
if subt_key in [res_key[1] for res_key in results.keys()]:
subtypes.update(default_subtypes[subt_key])
# enumerate for each subtype individually
for subtype in subtypes:
for (key, val) in zeroconf.search(name=name,
type=subtype,
domain=domain).items():
subtype = re.sub(r'._sub.%s' % key[1], '', subtype)
# record in results for master type, add subtype
if key in results and \
{k: results[key][k] for k in results[key]
if k != 'subtypes'} == val:
if 'subtypes' in results[key]:
results[key]['subtypes'].append(subtype)
else:
results[key]['subtypes'] = [subtype]
# no record in results for master type, add record and subtype
else:
results.update({key: val})
results[key]['subtypes'] = [subtype]
results_all.update(results)
if filter_types:
for key in results_all.keys():
_, svc_, _ = key
if not svc_ in filter_types and \
not svc_ in subtypes:
del results_all[key]
for key in results_all.keys():
name_, svc_, dom_ = key
displayname = name_
if sed_pattern is not None and sed_repl is not None:
if sed_service != [None] and svc_ in sed_service:
# newname = re.sub(r'^(.+)( @ cups)', r'AirPrint: \g<1>',
# name_)
displayname = re.sub(r'%s' % sed_pattern, r'%s' % sed_repl,
name_)
results_all[(displayname, svc_, dom_, name_)] = results_all[key]
del results_all[key]
return results_all # if len(results) > 0 else None
import zeroconf
import json
import sys
svc_list = []
hostname = {}
services = zeroconf.search(domain="local")
if len(services) is 0:
print "No device found"
sys.exit(0)
for host in services.items():
if str(host[1]['hostname']) not in hostname:
data = {}
extra = {}
port = []
serv_type = []
data['hostname'] = str(host[1]['hostname'])
data['name'] = str(host[0][0])
data['address'] = str(host[1]['address'])
extra['type'] = str(host[0][1])
extra['port'] = str(host[1]['port'])
data['extra'] = extra
hostname[str(host[1]['hostname'])] = data
else:
extra = hostname[str(host[1]['hostname'])]['extra']
extra['type'] += ", " + str(host[0][1])
extra['port'] += ", " + str(host[1]['port'])
hostname[str(host[1]['hostname'])]['extra'] = extra
def __iter__(self):
for name, type, domain in zeroconf.search(type="_rc._tcp"):
yield (name, get(name))
def __init__(self, name):
service_info = zeroconf.search(name, "_rc._tcp").items()[0][1]
self.socket = context.socket(zmq.REQ)
self.socket.connect("tcp://{address}:{port}".format(**service_info))
def zeroconf_search_multi(name=None, types=[None], domains=['local'],
sed_pattern=None, sed_repl=None, sed_service=[None]):
import zeroconf
default_subtypes = {'_ipp._tcp': ['_universal._sub._ipp._tcp',
'_cups._sub._ipp._tcp'],
'_ipps._tcp': ['_universal._sub._ipps._tcp',
'_cups._sub._ipps._tcp'],
'_http._tcp': ['_printer._sub._http._tcp']
}
types = set(types)
domains = set(domains)
# special handling for subtypes: they are not queried through _services
# enumeration and we can not tell them apart in responses from the
# corresponding master service)
subtypes_all = {type for type in types
if isinstance(type, basestring) and
len(re.split(r'(?<!\\)\.', type)) > 3 and
re.split(r'(?<!\\)\.', type)[-3] == '_sub'}
types -= subtypes_all
# enumerate for well known sub-types if the master is requested
for k in default_subtypes:
if k in types:
subtypes_all.update(default_subtypes[k])
# but also enumerate the master if a sub-type is requested
else:
types |= {k for i in default_subtypes[k] if i in subtypes_all}
filter_types = set()
stype = None
if len(types) > 1:
filter_types = types
elif types:
stype = types.pop()
results_all = {}
for domain in domains:
results = zeroconf.search(name=name, type=stype, domain=domain)
subtypes = subtypes_all
# add default subtypes to subtypes to be enumerated if the master is
# found in results
for subt_key in default_subtypes:
if subt_key in [res_key[1] for res_key in results.keys()]:
subtypes.update(default_subtypes[subt_key])
# enumerate for each subtype individually
for subtype in subtypes:
for (key, val) in zeroconf.search(name=name, type=subtype,
domain=domain).items():
subtype = re.sub(r'._sub.%s' % key[1], '', subtype)
# record in results for master type, add subtype
if key in results and \
{k: results[key][k] for k in results[key]
if k != 'subtypes'} == val:
if 'subtypes' in results[key]:
results[key]['subtypes'].append(subtype)
else:
results[key]['subtypes'] = [subtype]
# no record in results for master type, add record and subtype
else:
results.update({key: val})
results[key]['subtypes'] = [subtype]
results_all.update(results)
if filter_types:
for key in results_all.keys():
_, svc_, _ = key
if not svc_ in filter_types and \
not svc_ in subtypes:
del results_all[key]
for key in results_all.keys():
name_, svc_, dom_ = key
displayname = name_
if sed_pattern is not None and sed_repl is not None:
if sed_service != [None] and svc_ in sed_service:
# newname = re.sub(r'^(.+)( @ cups)', r'AirPrint: \g<1>',
# name_)
displayname = re.sub(r'%s' % sed_pattern, r'%s' % sed_repl,
name_)
results_all[(displayname, svc_, dom_, name_)] = results_all[key]
del results_all[key]
return results_all # if len(results) > 0 else None
