diff options
Diffstat (limited to 'internal/eventloop_exit.go')
| -rw-r--r-- | internal/eventloop_exit.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/internal/eventloop_exit.go b/internal/eventloop_exit.go index c64515b..9953c13 100644 --- a/internal/eventloop_exit.go +++ b/internal/eventloop_exit.go @@ -30,6 +30,8 @@ func (e *eventLoop) handleTracepointExit(ep *event.Pair) bool { return e.handleSocketExit(ep, ev) case *types.SocketpairEvent: return e.handleSocketpairExit(ep, ev) + case *types.AcceptEvent: + return e.handleAcceptExit(ep, ev) case *types.NullEvent: return e.handleNullExit(ep, ev) case *types.FcntlEvent: @@ -282,10 +284,44 @@ func (e *eventLoop) handleSocketpairExit(ep *event.Pair, socketpairEv *types.Soc return true } +func (e *eventLoop) handleAcceptExit(ep *event.Pair, acceptEv *types.AcceptEvent) bool { + exitEv, ok := ep.ExitEv.(*types.AcceptEvent) + if !ok { + e.recyclePair(ep, "Dropped malformed accept exit event") + return false + } + + listening := e.fdState().resolve(acceptEv.Fd, acceptEv.Pid) + if fd := int32(exitEv.Ret); fd >= 0 { + fdFile := file.NewFd(fd, acceptedSocketDescriptorName(listening), -1) + e.fdState().set(fd, fdFile) + ep.File = fdFile + } else { + ep.File = listening + } + ep.Comm = e.comm(acceptEv.GetTid()) + if !e.Filter().MatchPair(ep) { + ep.Recycle() + return false + } + return true +} + func socketDescriptorName(family, typ, protocol int32) string { return fmt.Sprintf("socket:%d:%d:%d", family, typ, protocol) } +func acceptedSocketDescriptorName(listening file.File) string { + if listening == nil { + return "socket:accepted" + } + name := listening.Name() + if name == "" { + return "socket:accepted" + } + return name +} + func (e *eventLoop) handleNullExit(ep *event.Pair, nullEv *types.NullEvent) bool { if ep.Is(types.SYS_ENTER_IO_URING_SETUP) { retEvent, ok := ep.ExitEv.(*types.RetEvent) |
