diff options
Diffstat (limited to 'resources/libraries')
| -rw-r--r-- | resources/libraries/python/NATUtil.py | 30 | ||||
| -rw-r--r-- | resources/libraries/robot/ip/nat.robot | 34 |
2 files changed, 61 insertions, 3 deletions
diff --git a/resources/libraries/python/NATUtil.py b/resources/libraries/python/NATUtil.py index aabcd36cda..620e14aea1 100644 --- a/resources/libraries/python/NATUtil.py +++ b/resources/libraries/python/NATUtil.py @@ -13,6 +13,7 @@ """NAT utilities library.""" +from math import log2, modf from pprint import pformat from enum import IntEnum @@ -140,8 +141,10 @@ class NATUtil: :param node: Topology node. :type node: dict + :returns: NAT44 summary data. + :rtype: str """ - PapiSocketExecutor.run_cli_cmd(node, u"show nat44 summary") + return PapiSocketExecutor.run_cli_cmd(node, u"show nat44 summary") @staticmethod def show_nat_base_data(node): @@ -197,10 +200,33 @@ class NATUtil: :returns: Value of max_translations_per_thread NAT44 parameter. :rtype: int """ - from math import log2, modf rest, mult = modf(log2(sessions/(10*threads))) return 2 ** (int(mult) + (1 if rest else 0)) * 10 + @staticmethod + def get_nat44_sessions_number(node, proto): + """Get number of established NAT44 sessions from actual NAT44 mapping + data. + + :param node: DUT node. + :param proto: Required protocol - TCP/UDP/ICMP. + :type node: dict + :type proto: str + :returns: Number of established NAT44 sessions. + :rtype: int + :raises ValueError: If not supported protocol. + """ + nat44_data = dict() + if proto in [u"UDP", u"TCP", u"ICMP"]: + for line in NATUtil.show_nat44_summary(node).splitlines(): + sum_k, sum_v = line.split(u":") if u":" in line \ + else (line, None) + nat44_data[sum_k] = sum_v.strip() if isinstance(sum_v, str) \ + else sum_v + else: + raise ValueError(f"Unsupported protocol: {proto}!") + return nat44_data.get(f"total {proto.lower()} sessions", 0) + # DET44 PAPI calls # DET44 means deterministic mode of NAT44 @staticmethod diff --git a/resources/libraries/robot/ip/nat.robot b/resources/libraries/robot/ip/nat.robot index b78575a960..e80e1e1c85 100644 --- a/resources/libraries/robot/ip/nat.robot +++ b/resources/libraries/robot/ip/nat.robot @@ -108,6 +108,38 @@ | | ... | ${dut2} | ${out_net} | ${out_mask} | gateway=${dut1_if2_ip4} | | ... | interface=${DUT2_${int}1}[0] +| Verify NAT44 TCP sessions number on DUT1 node +| | [Documentation] | Verify that all required NAT44 TCP sessions are +| | ... | established on DUT1 node. +| | +| | Verify NAT44 sessions number | ${nodes['DUT1']} | ${n_sessions} | TCP + +| Verify NAT44 UDP sessions number on DUT1 node +| | [Documentation] | Verify that all required NAT44 UDP sessions are +| | ... | established on DUT1 node. +| | +| | Verify NAT44 sessions number | ${nodes['DUT1']} | ${n_sessions} | UDP + +| Verify NAT44 sessions number +| | [Documentation] | Verify that all required NAT44 sessions of required +| | ... | protocol are established. +| | +| | ... | *Arguments:* +| | ... | - node - DUT node. Type: dictionary +| | ... | - exp_n_sessions - Expected number of NAT44 sessions. Type: integer +| | ... | - proto - Required protocol. Type: string +| | +| | ... | *Example:* +| | +| | ... | \| Verify NAT44 sessions number \| ${nodes['DUT1']} \| ${64512} \ +| | ... | \| UDP \| +| | +| | [Arguments] | ${node} | ${exp_n_sessions} | ${proto} +| | +| | ${nat44_sessions}= | Get NAT44 Sessions Number | ${node} | ${proto} +| | Should Be Equal As Integers | ${nat44_sessions} | ${exp_n_sessions} +| | ... | Not all NAT44 ${proto} sessions have been established + # DET44 - NAT44 deterministic | Enable DET44 plugin on DUT | | [Documentation] | Enable DET44 plugin on DUT. @@ -169,7 +201,7 @@ | Initialize NAT44 deterministic mode in circular topology | | [Documentation] | Initialization of NAT44 deterministic mode (DET44) -| | ... | on DUT1. +| | ... | on DUT1 node. | | | | Enable DET44 plugin on DUT | ${dut1} | | Configure DET44 interfaces |