Best Python code snippet using lisa_python
xdpdump.py
Source:xdpdump.py  
...173        sed = self.node.tools[Sed]174        # replace hard code mac and ip addresses in code, the changes will be175        # reset after built.176        forwarder_mac = self._convert_mac_to_c_style(forwarder_nic.mac_addr)177        forwarder_ip = self._convert_ip_to_c_style(forwarder_nic.ip_addr)178        receiver_mac = self._convert_mac_to_c_style(receiver_nic.mac_addr)179        receiver_ip = self._convert_ip_to_c_style(receiver_nic.ip_addr)180        sed.substitute(181            regexp=r"unsigned char newethsrc \[\] = "182            "{ 0x00, 0x22, 0x48, 0x4c, 0xc4, 0x4d };",183            replacement=r"unsigned char newethsrc \[\] = {" + forwarder_mac + "};",184            file=f"{self._code_path}/xdpdump_kern.c",185        )186        sed.substitute(187            regexp=r"unsigned char newethdest \[\] = "188            "{ 0x00, 0x22, 0x48, 0x4c, 0xc0, 0xfd };",189            replacement=r"unsigned char newethdest \[\] = {" + receiver_mac + "};",190            file=f"{self._code_path}/xdpdump_kern.c",191        )192        sed.substitute(193            regexp=r"__u8 newsrc \[\] = { 10, 0, 1, 5 };",194            replacement=r"__u8 newsrc \[\] = {" + forwarder_ip + "};",195            file=f"{self._code_path}/xdpdump_kern.c",196        )197        sed.substitute(198            regexp=r"__u8 newdest \[\] = { 10, 0, 1, 4 };",199            replacement=r"__u8 newdest \[\] = {" + receiver_ip + "};",200            file=f"{self._code_path}/xdpdump_kern.c",201        )202        self.make_by_build_type(build_type=BuildType.TX_FWD)203    def _convert_mac_to_c_style(self, mac: str) -> str:204        """205        convert 00:22:48:7a:ed:28 to 0x00, 0x22, 0x48, 0x7a, 0xed, 0x28206        """207        bytes_list = [f"0x{x}" for x in mac.split(":")]208        return ", ".join(bytes_list)209    def _convert_ip_to_c_style(self, ip: str) -> str:210        """211        convert 10.0.0.1 to 10, 0, 0, 1212        """213        return ", ".join(ip.split("."))214    def _disable_lro(self, nic_name: str) -> None:215        ethtool = self.node.tools[Ethtool]216        gro_lro_settings = self._get_gro_lro_settings(nic_name)217        if gro_lro_settings.lro_setting is False:218            return219        # disable LRO (RSC), because XDP program cannot run with it. Restore220        # it after test completed.221        ethtool.change_device_gro_lro_settings(222            nic_name,223            gro_setting=gro_lro_settings.gro_setting,...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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