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# BSD LICENSE
#
# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""
Generic port and crbs configuration file load function
"""
import re
import ConfigParser # config parse module
import argparse # prase arguments module
from settings import IXIA
from exception import ConfigParseException, VirtConfigParseException
PORTCONF = "conf/ports.cfg"
CRBCONF = "conf/crbs.cfg"
VIRTCONF = "conf/virt_global.cfg"
IXIACONF = "conf/ixia.cfg"
class UserConf():
def __init__(self, config):
self.conf = ConfigParser.SafeConfigParser()
load_files = self.conf.read(config)
if load_files == []:
print "FAILED LOADING %s!!!" % config
self.conf = None
raise ConfigParseException(config)
def get_sections(self):
if self.conf is None:
return None
return self.conf.sections()
def load_section(self, section):
if self.conf is None:
return None
items = None
for conf_sect in self.conf.sections():
if conf_sect == section:
items = self.conf.items(section)
return items
def load_config(self, item):
confs = [conf.strip() for conf in item.split(';')]
if '' in confs:
confs.remove('')
return confs
def load_param(self, conf):
paramDict = dict()
for param in conf.split(','):
(key, _, value) = param.partition('=')
paramDict[key] = value
return paramDict
class VirtConf(UserConf):
def __init__(self, virt_conf=VIRTCONF):
self.config_file = virt_conf
self.virt_cfg = {}
try:
self.virt_conf = UserConf(self.config_file)
except ConfigParseException:
self.virt_conf = None
raise VirtConfigParseException
def load_virt_config(self, name):
self.virt_cfgs = []
try:
virt_confs = self.virt_conf.load_section(name)
except:
print "FAILED FIND SECTION %s!!!" % name
return
for virt_conf in virt_confs:
virt_cfg = {}
virt_params = []
key, config = virt_conf
confs = self.virt_conf.load_config(config)
for config in confs:
virt_params.append(self.load_virt_param(config))
virt_cfg[key] = virt_params
self.virt_cfgs.append(virt_cfg)
def get_virt_config(self):
return self.virt_cfgs
def load_virt_param(self, config):
cfg_params = self.virt_conf.load_param(config)
return cfg_params
class PortConf(UserConf):
def __init__(self, port_conf=PORTCONF):
self.config_file = port_conf
self.ports_cfg = {}
self.pci_regex = "([\da-f]{4}:[\da-f]{2}:[\da-f]{2}.\d{1})$"
try:
self.port_conf = UserConf(self.config_file)
except ConfigParseException:
self.port_conf = None
raise PortConfigParseException
def load_ports_config(self, crbIP):
self.ports_cfg = {}
if self.port_conf is None:
return
ports = self.port_conf.load_section(crbIP)
if ports is None:
return
key, config = ports[0]
confs = self.port_conf.load_config(config)
for config in confs:
port_param = self.port_conf.load_param(config)
# port config for vm in virtualization scenario
if 'dev_idx' in port_param:
keys = port_param.keys()
keys.remove('dev_idx')
self.ports_cfg[port_param['dev_idx']] = {
key: port_param[key] for key in keys}
continue
# check pci BDF validity
if 'pci' not in port_param:
print "NOT FOUND CONFIG FOR NO PCI ADDRESS!!!"
continue
m = re.match(self.pci_regex, port_param['pci'])
if m is None:
print "INVALID CONFIG FOR NO PCI ADDRESS!!!"
continue
keys = port_param.keys()
keys.remove('pci')
self.ports_cfg[port_param['pci']] = {
key: port_param[key] for key in keys}
if 'numa' in self.ports_cfg[port_param['pci']]:
numa_str = self.ports_cfg[port_param['pci']]['numa']
self.ports_cfg[port_param['pci']]['numa'] = int(numa_str)
def get_ports_config(self):
return self.ports_cfg
def check_port_available(self, pci_addr):
if pci_addr in self.ports_cfg.keys():
return True
else:
return False
class CrbsConf(UserConf):
DEF_CRB = {'IP': '', 'board': 'default', 'user': '',
'pass': '', 'tester IP': '', 'tester pass': '',
IXIA: None, 'memory channels': 4,
'bypass core0': True}
def __init__(self, crbs_conf=CRBCONF):
self.config_file = crbs_conf
self.crbs_cfg = []
try:
self.crbs_conf = UserConf(self.config_file)
except ConfigParseException:
self.crbs_conf = None
raise ConfigParseException
def load_crbs_config(self):
sections = self.crbs_conf.get_sections()
if not sections:
return self.crbs_cfg
for name in sections:
crb = self.DEF_CRB.copy()
crb['section'] = name
crb_confs = self.crbs_conf.load_section(name)
if not crb_confs:
continue
# covert file configuration to dts crbs
for conf in crb_confs:
key, value = conf
if key == 'dut_ip':
crb['IP'] = value
elif key == 'dut_user':
crb['user'] = value
elif key == 'dut_passwd':
crb['pass'] = value
elif key == 'os':
crb['OS'] = value
elif key == 'tester_ip':
crb['tester IP'] = value
elif key == 'tester_passwd':
crb['tester pass'] = value
elif key == 'ixia_group':
crb[IXIA] = value
elif key == 'channels':
crb['memory channels'] = int(value)
elif key == 'bypass_core0':
if value == 'True':
crb['bypass core0'] = True
else:
crb['bypass core0'] = False
elif key == 'board':
crb['board'] = value
self.crbs_cfg.append(crb)
return self.crbs_cfg
class IxiaConf(UserConf):
def __init__(self, ixia_conf=IXIACONF):
self.config_file = ixia_conf
self.ixia_cfg = {}
try:
self.ixia_conf = UserConf(self.config_file)
except ConfigParseException:
self.ixia_conf = None
raise ConfigParseException
def load_ixia_config(self):
port_reg = r'card=(\d+),port=(\d+)'
groups = self.ixia_conf.get_sections()
if not groups:
return self.ixia_cfg
for group in groups:
ixia_group = {}
ixia_confs = self.ixia_conf.load_section(group)
if not ixia_confs:
continue
# convert file configuration to dts ixiacfg
for conf in ixia_confs:
key, value = conf
if key == 'ixia_version':
ixia_group['Version'] = value
elif key == 'ixia_ip':
ixia_group['IP'] = value
elif key == 'ixia_ports':
ports = self.ixia_conf.load_config(value)
ixia_ports = []
for port in ports:
m = re.match(port_reg, port)
if m:
ixia_port = {}
ixia_port["card"] = int(m.group(1))
ixia_port["port"] = int(m.group(2))
ixia_ports.append(ixia_port)
ixia_group['Ports'] = ixia_ports
elif key == 'ixia_enable_rsfec':
ixia_group['enable_rsfec'] = value
if 'Version' not in ixia_group:
print 'ixia configuration file request ixia_version option!!!'
continue
if 'IP' not in ixia_group:
print 'ixia configuration file request ixia_ip option!!!'
continue
if 'Ports' not in ixia_group:
print 'ixia configuration file request ixia_ports option!!!'
continue
self.ixia_cfg[group] = ixia_group
return self.ixia_cfg
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description="Load DTS configuration files")
parser.add_argument("-p", "--portconf", default=PORTCONF)
parser.add_argument("-c", "--crbconf", default=CRBCONF)
parser.add_argument("-v", "--virtconf", default=VIRTCONF)
parser.add_argument("-i", "--ixiaconf", default=IXIACONF)
args = parser.parse_args()
# not existed configuration file
try:
VirtConf('/tmp/not-existed.cfg')
except VirtConfigParseException:
print "Capture config parse failure"
# example for basic use configuration file
conf = UserConf(PORTCONF)
for section in conf.get_sections():
items = conf.load_section(section)
key, value = items[0]
confs = conf.load_config(value)
for config in confs:
conf.load_param(config)
# example for port configuration file
portconf = PortConf(PORTCONF)
portconf.load_ports_config('DUT IP')
print portconf.get_ports_config()
portconf.check_port_available('86:00.0')
# example for global virtualization configuration file
virtconf = VirtConf(VIRTCONF)
virtconf.load_virt_config('LIBVIRT')
print virtconf.get_virt_config()
# example for crbs configuration file
crbsconf = CrbsConf(CRBCONF)
print crbsconf.load_crbs_config()
# example for ixia configuration file
ixiaconf = IxiaConf(IXIACONF)
print ixiaconf.load_ixia_config()
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