expungeInvalidSessions() — netty Function Reference

Architecture documentation for the expungeInvalidSessions() function in OpenSslSessionCache.java from the netty codebase.

Function java Buffer Allocators calls 2 called by 1

Entity Profile

Buffer→ Allocators→ expungeInvalidSessions() — netty Function Reference

Dependency Diagram

graph TD
  47cfafe5_3408_4ef1_83f8_ee5da65e49ad["expungeInvalidSessions()"]
  6355c604_3e83_2b17_e056_558795a68fc3["OpenSslSessionCache"]
  47cfafe5_3408_4ef1_83f8_ee5da65e49ad -->|defined in| 6355c604_3e83_2b17_e056_558795a68fc3
  b0c9f020_ce9e_89e3_fb97_acebd4a5fba9["sessionCreated()"]
  b0c9f020_ce9e_89e3_fb97_acebd4a5fba9 -->|calls| 47cfafe5_3408_4ef1_83f8_ee5da65e49ad
  ad6e504f_835f_5a30_4635_c8827fa4567b["isValid()"]
  47cfafe5_3408_4ef1_83f8_ee5da65e49ad -->|calls| ad6e504f_835f_5a30_4635_c8827fa4567b
  fffde80d_79d3_d174_a852_3dbd539cda36["notifyRemovalAndFree()"]
  47cfafe5_3408_4ef1_83f8_ee5da65e49ad -->|calls| fffde80d_79d3_d174_a852_3dbd539cda36
  style 47cfafe5_3408_4ef1_83f8_ee5da65e49ad fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

handler/src/main/java/io/netty/handler/ssl/OpenSslSessionCache.java lines 123–141

    private void expungeInvalidSessions() {
        if (sessions.isEmpty()) {
            return;
        }
        long now = System.currentTimeMillis();
        Iterator<Map.Entry<OpenSslSessionId, NativeSslSession>> iterator = sessions.entrySet().iterator();
        while (iterator.hasNext()) {
            NativeSslSession session = iterator.next().getValue();
            // As we use a LinkedHashMap we can break the while loop as soon as we find a valid session.
            // This is true as we always drain the cache as soon as we change the timeout to a smaller value as
            // it was set before. This way its true that the insertion order matches the timeout order.
            if (session.isValid(now)) {
                break;
            }
            iterator.remove();

            notifyRemovalAndFree(session);
        }
    }