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28 package org.apache.hc.core5.reactor;
29
30 import java.io.IOException;
31 import java.nio.channels.CancelledKeyException;
32
33 import org.apache.hc.core5.io.CloseMode;
34 import org.apache.hc.core5.io.ModalCloseable;
35 import org.apache.hc.core5.util.Timeout;
36
37 abstract class InternalChannel implements ModalCloseable {
38
39 abstract void onIOEvent(final int ops) throws IOException;
40
41 abstract void onTimeout(Timeout timeout) throws IOException;
42
43 abstract void onException(final Exception cause);
44
45 abstract Timeout getTimeout();
46
47 abstract long getLastEventTime();
48
49 final void handleIOEvent(final int ops) {
50 try {
51 onIOEvent(ops);
52 } catch (final CancelledKeyException ex) {
53 close(CloseMode.GRACEFUL);
54 } catch (final Exception ex) {
55 onException(ex);
56 close(CloseMode.GRACEFUL);
57 }
58 }
59
60 final boolean checkTimeout(final long currentTimeMillis) {
61 final Timeout timeout = getTimeout();
62 if (!timeout.isDisabled()) {
63 final long timeoutMillis = timeout.toMilliseconds();
64 final long deadlineMillis = getLastEventTime() + timeoutMillis;
65 if (currentTimeMillis > deadlineMillis) {
66 try {
67 onTimeout(timeout);
68 } catch (final CancelledKeyException ex) {
69 close(CloseMode.GRACEFUL);
70 } catch (final Exception ex) {
71 onException(ex);
72 close(CloseMode.GRACEFUL);
73 }
74 return false;
75 }
76 }
77 return true;
78 }
79
80 }