035b4ee8a9
Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
import os
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import time
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import infra.basetest
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class TestTcpdump(infra.basetest.BRTest):
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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BR2_PACKAGE_TCPDUMP=y
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BR2_TARGET_ROOTFS_CPIO=y
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# BR2_TARGET_ROOTFS_TAR is not set
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"""
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def test_run(self):
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cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
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self.emulator.boot(arch="armv5",
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kernel="builtin",
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options=["-initrd", cpio_file])
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self.emulator.login()
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capture_file = "capture.pcap"
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decode_log = "decode.log"
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# Check the program can execute.
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self.assertRunOk("tcpdump --version")
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# Run ping in background.
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cmd = "ping localhost >/dev/null &"
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self.assertRunOk(cmd)
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time.sleep(1)
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# Capture 3 packets with the message.
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cmd = f"tcpdump -c 3 -w {capture_file} icmp"
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self.assertRunOk(cmd)
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# Decode the capture file.
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cmd = f"tcpdump -r {capture_file} > {decode_log}"
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self.assertRunOk(cmd)
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# Check we have ICMP echo requests/replies in the
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# decoded capture.
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cmd = f"grep -E 'ICMP echo (request|reply)' {decode_log}"
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self.assertRunOk(cmd)
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