def br_dump(bridge):
"""
Dump the port information of a given bridges.
"""
flows = br_getflows(bridge)
debug('br_dump: len flows=%u\n' % len(flows))
if flows:
Flow.banner_output()
for f in flows:
f.fmt_output()
def br_dump(bridge_name):
"""
Dump the port information of a given bridges.
"""
flows = ovs_lib.OVSBridge(bridge_name).dump_flows()
debug('br_dump: len flows=%u\n' % len(flows))
if flows:
Flow.banner_output()
for f in flows:
f.fmt_output()
def dump_flows(self):
"""
Dump out the flows of this bridge
:return:
"""
self.load_flows()
debug('br_dump: len flows=%u\n' % len(self.flows))
table = 0
if self.flows:
Flow.banner_output()
for f in self.flows:
if f.table != table:
output('\n')
table = f.table
f.fmt_output()
def del_flow(self, flow_ids):
"""
Return True or False to del a flow from given list.
"""
if len(flow_ids) <= 0:
return False
if not self.flows:
self.load_flows()
del_flows = []
fd = sys.stdin.fileno()
old = termios.tcgetattr(fd)
for flow_id in flow_ids:
if isinstance(flow_id, str) and flow_id.isdigit():
flow_id = int(flow_id)
else:
continue
if flow_id >= len(self.flows):
continue
else:
del_flow = self.flows[flow_id]
Flow.banner_output()
del_flow.fmt_output()
output('Del the flow? [Y/n]: ')
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON
try:
termios.tcsetattr(fd, termios.TCSADRAIN, new)
while True:
in_ch = sys.stdin.read(1)
if in_ch == 'n' or in_ch == 'N':
output('\tCancel the deletion.\n')
break
elif in_ch == 'y' or in_ch == 'Y' or in_ch != '\n':
del_flows.append(del_flow)
output('\n')
break
else:
output('\nWrong, please input [Y/n]: ')
continue
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old)
if not del_flows:
return False
self.load_flows(True)
flows_db_new = self.flows_db + '.new'
f, f_new = open(self.flows_db, 'r'), open(flows_db_new, 'w')
while True:
lines = f.readlines(1000)
if not lines:
break
for line in lines:
flow = self.parse_flow(line)
if flow not in del_flows:
f_new.write('%s' % line)
else:
debug("Del the flow:\n")
#del_flow.fmt_output()
f.close()
f_new.close()
replace_cmd = "ovs-ofctl replace-flows %s %s" % (self.bridge, flows_db_new)
error = Popen(replace_cmd, stdout=PIPE, stderr=PIPE, shell=True).communicate()[1]
if error:
output(error)
return False
else:
self.load_flows()
return True
def del_flow(self, flow_ids):
"""
Return True or False to del a flow from given list.
"""
if len(flow_ids) <= 0:
return False
if not self.flows:
self.load_flows()
del_flows = []
fd = sys.stdin.fileno()
old = termios.tcgetattr(fd)
for flow_id in flow_ids:
if isinstance(flow_id, str) and flow_id.isdigit():
flow_id = int(flow_id)
else:
continue
if flow_id >= len(self.flows):
continue
else:
del_flow = self.flows[flow_id]
Flow.banner_output()
del_flow.fmt_output()
output('Del the flow? [Y/n]: ')
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON
try:
termios.tcsetattr(fd, termios.TCSADRAIN, new)
while True:
in_ch = sys.stdin.read(1)
if in_ch == 'n' or in_ch == 'N':
output('\tCancel the deletion.\n')
break
elif in_ch == 'y' or in_ch == 'Y' or in_ch != '\n':
del_flows.append(del_flow)
output('\n')
break
else:
output('\nWrong, please input [Y/n]: ')
continue
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old)
if not del_flows:
return False
self.load_flows(True)
flows_db_new = self.flows_db + '.new'
f, f_new = open(self.flows_db, 'r'), open(flows_db_new, 'w')
while True:
lines = f.readlines(1000)
if not lines:
break
for line in lines:
flow = self.parse_flow(line)
if flow not in del_flows:
f_new.write('%s' % line)
else:
debug("Del the flow:\n")
#del_flow.fmt_output()
f.close()
f_new.close()
replace_cmd = "ovs-ofctl replace-flows %s %s" % (self.bridge,
flows_db_new)
error = Popen(replace_cmd, stdout=PIPE, stderr=PIPE,
shell=True).communicate()[1]
if error:
output(error)
return False
else:
self.load_flows()
return True
def del_flow(self, flow_ids, forced=False):
"""
Return True or False to del a flow from given list.
"""
if len(flow_ids) <= 0:
return False
if not self.flows:
self.load_flows()
del_flows = []
fd = sys.stdin.fileno()
old = termios.tcgetattr(fd)
for flow_id in flow_ids:
if isinstance(flow_id, str) and flow_id.isdigit():
flow_id = int(flow_id)
else:
continue
if flow_id >= len(self.flows):
continue
else:
del_flow = self.flows[flow_id]
if forced:
del_flows.append(del_flow)
else:
Flow.banner_output()
del_flow.fmt_output()
output('Del the flow? [Y/n]: ')
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON
try:
termios.tcsetattr(fd, termios.TCSADRAIN, new)
while True:
in_ch = sys.stdin.read(1)
if in_ch == 'n' or in_ch == 'N':
output('\tCancel the deletion.\n')
break
elif in_ch == 'y' or in_ch == 'Y' or in_ch != '\n':
del_flows.append(del_flow)
output('\n')
break
else:
output('\nWrong, please input [Y/n]: ')
continue
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old)
if not del_flows:
return False
self.load_flows(True)
f = open(self.flows_db, 'r')
while True:
lines = f.readlines(1000)
if not lines:
break
for line in lines:
flow = self._parse_flow(line)
if flow in del_flows:
del_matches = line.replace(',', ' ').split()
del_matches = \
filter(lambda m: not (m.startswith("cookie=")
or m.startswith("actions=")), del_matches)
del_cmd = "ovs-ofctl --strict del-flows %s %s" \
% (self.bridge, ','.join(del_matches))
err = Popen(del_cmd, stdout=PIPE, stderr=PIPE,
shell=True).communicate()[1]
if err:
error("Error when delflow <%s> in bridge %s\n"
% (','.join(del_matches), self.bridge))
error(err)
return False
f.close()
self.load_flows()
return True
def del_flow(self, flow_ids, forced=False):
"""
Return True or False to del a flow from given list.
"""
if len(flow_ids) <= 0:
return False
if not self.flows:
self.load_flows()
del_flows = []
fd = sys.stdin.fileno()
old = termios.tcgetattr(fd)
for flow_id in flow_ids:
if isinstance(flow_id, str) and flow_id.isdigit():
flow_id = int(flow_id)
else:
continue
if flow_id >= len(self.flows):
continue
else:
del_flow = self.flows[flow_id]
if forced:
del_flows.append(del_flow)
else:
Flow.banner_output()
del_flow.fmt_output()
output('Del the flow? [Y/n]: ')
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON
try:
termios.tcsetattr(fd, termios.TCSADRAIN, new)
while True:
in_ch = sys.stdin.read(1)
if in_ch == 'n' or in_ch == 'N':
output('\tCancel the deletion.\n')
break
elif in_ch == 'y' or in_ch == 'Y' or in_ch != '\n':
del_flows.append(del_flow)
output('\n')
break
else:
output('\nWrong, please input [Y/n]: ')
continue
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old)
if not del_flows:
return False
self.load_flows(True)
f = open(self.flows_db, 'r')
while True:
lines = f.readlines(1000)
if not lines:
break
for line in lines:
flow = self._parse_flow(line)
if flow in del_flows:
del_matches = line.replace(',', ' ').split()
del_matches = \
filter(lambda m: not (m.startswith("cookie=")
or m.startswith("actions=")), del_matches)
del_cmd = "ovs-ofctl --strict del-flows %s %s" \
% (self.bridge, ','.join(del_matches))
err = Popen(del_cmd, stdout=PIPE, stderr=PIPE,
shell=True).communicate()[1]
if err:
error("Error when delflow <%s> in bridge %s\n"
% (','.join(del_matches), self.bridge))
error(err)
return False
f.close()
self.load_flows()
return True