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|
package internal
import (
"testing"
"ior/internal/event"
"ior/internal/file"
"ior/internal/globalfilter"
"ior/internal/types"
)
func TestHandleEpollCtlExitUsesEpollInstanceFd(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
el.fdState().set(41, file.NewFd(41, "anon_inode:[eventpoll]", -1))
enter := &types.EpollCtlEvent{
EventType: types.ENTER_EPOLL_CTL_EVENT,
TraceId: types.SYS_ENTER_EPOLL_CTL,
Time: 100,
Pid: 90,
Tid: 91,
Epfd: 41,
Op: 1,
Fd: 42,
Events: 1,
}
exit := &types.RetEvent{
EventType: types.EXIT_RET_EVENT,
TraceId: types.SYS_EXIT_EPOLL_CTL,
Time: 200,
Ret: 0,
Pid: 90,
Tid: 91,
}
ep := &event.Pair{EnterEv: enter, ExitEv: exit}
if ok := el.handleEpollCtlExit(ep, enter); !ok {
t.Fatal("handleEpollCtlExit returned false")
}
if ep.File == nil || ep.File.FD() != 41 {
t.Fatalf("expected resolved epoll instance fd 41, got file=%v", ep.File)
}
}
func TestHandleEpollCtlExitAppliesPairFilter(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{
filter: globalfilter.Filter{
Syscall: &globalfilter.StringFilter{Pattern: "openat"},
},
})
enter := &types.EpollCtlEvent{
EventType: types.ENTER_EPOLL_CTL_EVENT,
TraceId: types.SYS_ENTER_EPOLL_CTL,
Time: 100,
Pid: 92,
Tid: 93,
Epfd: 51,
Op: 1,
Fd: 52,
Events: 1,
}
exit := &types.RetEvent{
EventType: types.EXIT_RET_EVENT,
TraceId: types.SYS_EXIT_EPOLL_CTL,
Time: 200,
Ret: 0,
Pid: 92,
Tid: 93,
}
ep := &event.Pair{EnterEv: enter, ExitEv: exit}
if ok := el.handleEpollCtlExit(ep, enter); ok {
t.Fatal("handleEpollCtlExit should reject pair due to filter mismatch")
}
}
func TestInitRawHandlersRegistersPollingEvents(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
if _, ok := el.rawHandlers[types.ENTER_EPOLL_CTL_EVENT]; !ok {
t.Fatal("ENTER_EPOLL_CTL_EVENT handler is not registered")
}
if _, ok := el.rawHandlers[types.ENTER_POLL_EVENT]; !ok {
t.Fatal("ENTER_POLL_EVENT handler is not registered")
}
}
func TestHandlePollExitCarriesCommAndAppliesFilter(t *testing.T) {
t.Run("accepted", func(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{})
enter := &types.PollEvent{
EventType: types.ENTER_POLL_EVENT,
TraceId: types.SYS_ENTER_POLL,
Time: 300,
Pid: 120,
Tid: 121,
Nfds: 2,
TimeoutNs: 5_000_000,
}
exit := &types.RetEvent{
EventType: types.EXIT_RET_EVENT,
TraceId: types.SYS_EXIT_POLL,
Time: 320,
Ret: 1,
Pid: 120,
Tid: 121,
}
ep := &event.Pair{EnterEv: enter, ExitEv: exit}
if ok := el.handlePollExit(ep, enter); !ok {
t.Fatal("handlePollExit returned false")
}
if ep.Comm != "" {
t.Fatalf("expected empty comm for unresolved tid, got %q", ep.Comm)
}
})
t.Run("filtered", func(t *testing.T) {
el := mustNewEventLoop(t, eventLoopConfig{
filter: globalfilter.Filter{
Syscall: &globalfilter.StringFilter{Pattern: "openat"},
},
})
enter := &types.PollEvent{
EventType: types.ENTER_POLL_EVENT,
TraceId: types.SYS_ENTER_POLL,
Time: 300,
Pid: 120,
Tid: 121,
Nfds: 2,
TimeoutNs: 5_000_000,
}
exit := &types.RetEvent{
EventType: types.EXIT_RET_EVENT,
TraceId: types.SYS_EXIT_POLL,
Time: 320,
Ret: 1,
Pid: 120,
Tid: 121,
}
ep := &event.Pair{EnterEv: enter, ExitEv: exit}
if ok := el.handlePollExit(ep, enter); ok {
t.Fatal("handlePollExit should reject pair due to filter mismatch")
}
})
}
|
