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path: root/test/packetimpact/testbench/rawsockets.go
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2020-09-16Cleanup device name confusion in packetimpact testbenchZeling Feng
There are two device names on the test net. - The sniffer/injector device which is always a linux device. Only the testbench library is interested in this device. - The device which is on the DUT. It happens to be the same device as the former if DUT is linux. An individual test might be interested in this device if the test cares about the device name. PiperOrigin-RevId: 332112968
2020-07-27Ask for *testing.T instead of storing itJay Zhuang
Storing *testing.T on test helper structs is problematic when subtests are used, because it is possible for nested tests to call Fatal on parent test, which incorrect terminates the parent test. For example func TestOuter(t *testing.T) { dut := NewDUT(t) t.Run("first test", func(t *testing.T) { dut.FallibleCall() }) t.Run("second test", func(t *testing.T) { dut.FallibleCall() } } In the example above, assuming `FallibleCall` calls `t.Fatal` on the `t` it holds, if `dut.FallibleCall` fails in "first test", it will call `Fatal` on the parent `t`, quitting `TestOuter`. This is not a behavior we want. PiperOrigin-RevId: 323350241
2020-05-26Automated rollback of changelist 311424257gVisor bot
PiperOrigin-RevId: 313300554
2020-05-13Automated rollback of changelist 311285868Bhasker Hariharan
PiperOrigin-RevId: 311424257
2020-05-13Replace test_runner.sh bash script with Go.Ian Gudger
PiperOrigin-RevId: 311285868
2020-05-11Internal change.gVisor bot
PiperOrigin-RevId: 311011004
2020-05-08Add UDP send/recv packetimpact tests.Bhasker Hariharan
Fixes #2654 PiperOrigin-RevId: 310642216
2020-04-15Refactor connections.go to make it easier to add new connection types.Eyal Soha
Rather than have a struct for the state of each type of connection, such as TCP/IPv4, UDP/IPv4, TCP/IPv6, etc, have a state for each layer, such as UDP, TCP, IPv4, IPv6. Those states can be composed into connections. Tested: Existing unit tests still pass/fail as expected. PiperOrigin-RevId: 306703180
2020-04-13Add Sniffer.Drain() draining socket receive buffergVisor bot
Add Sniffer.Drain() which drains the socket's receive buffer by temporarily setting the socket to non-blocking, and receiving in a loop until EINTR, EWOULDBLOCK or EAGAIN. This method should be used when long periods of time elapses without receiving on the socket, because uninteresting packets may have piled up in the receive buffer, filling it up and causing packets critical to test operation to be dropped. PiperOrigin-RevId: 306380480
2020-04-07Internal change.gVisor bot
PiperOrigin-RevId: 305341059
2020-03-17Packetimpact in Go with c++ stubEyal Soha
PiperOrigin-RevId: 301382690
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