doHealthCheck() — netty Function Reference

Architecture documentation for the doHealthCheck() function in SimpleChannelPool.java from the netty codebase.

Function java Buffer Search calls 2 called by 1

Entity Profile

Buffer→ Search→ doHealthCheck() — netty Function Reference

Dependency Diagram

graph TD
  b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0["doHealthCheck()"]
  e441b5b0_fbd9_848c_9624_3e21f7c56e58["SimpleChannelPool"]
  b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0 -->|defined in| e441b5b0_fbd9_848c_9624_3e21f7c56e58
  c89f5af0_c810_693d_6240_cf574acc05b1["acquireHealthyFromPoolOrNew()"]
  c89f5af0_c810_693d_6240_cf574acc05b1 -->|calls| b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0
  7ba4c5b6_3e78_dd98_af42_a908940f0803["notifyHealthCheck()"]
  b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0 -->|calls| 7ba4c5b6_3e78_dd98_af42_a908940f0803
  289c2758_bf72_3fdf_f9ce_fa04213a1c12["closeAndFail()"]
  b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0 -->|calls| 289c2758_bf72_3fdf_f9ce_fa04213a1c12
  style b79f6ac0_3d07_2cc1_f3d6_7ca1488e3fa0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/pool/SimpleChannelPool.java lines 220–232

    private void doHealthCheck(final Channel channel, final Promise<Channel> promise) {
        try {
            assert channel.eventLoop().inEventLoop();
            Future<Boolean> f = healthCheck.isHealthy(channel);
            if (f.isDone()) {
                notifyHealthCheck(f, channel, promise);
            } else {
                f.addListener((FutureListener<Boolean>) future -> notifyHealthCheck(future, channel, promise));
            }
        } catch (Throwable cause) {
            closeAndFail(channel, cause, promise);
        }
    }