userEventTriggered() — netty Function Reference

Architecture documentation for the userEventTriggered() function in UptimeClientHandler.java from the netty codebase.

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Entity Profile

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Dependency Diagram

graph TD
  f070360d_dde6_37f3_20a2_7506e338aaac["userEventTriggered()"]
  3cb02bd3_0cdb_62f3_e0aa_6e45512b7da7["UptimeClientHandler"]
  f070360d_dde6_37f3_20a2_7506e338aaac -->|defined in| 3cb02bd3_0cdb_62f3_e0aa_6e45512b7da7
  0945add4_0748_7af9_50cb_380edf8c4e56["println()"]
  f070360d_dde6_37f3_20a2_7506e338aaac -->|calls| 0945add4_0748_7af9_50cb_380edf8c4e56
  style f070360d_dde6_37f3_20a2_7506e338aaac fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

example/src/main/java/io/netty/example/uptime/UptimeClientHandler.java lines 48–60

    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
        if (!(evt instanceof IdleStateEvent)) {
            return;
        }

        IdleStateEvent e = (IdleStateEvent) evt;
        if (e.state() == IdleState.READER_IDLE) {
            // The connection was OK but there was no traffic for last period.
            println("Disconnecting due to no inbound traffic");
            ctx.close();
        }
    }