public void executeCommand(Runnable runnable) {
    Executor local = p2pReaderThreadPool;
    if (local != null) {
      local.execute(runnable);
    }
  }
returns the idle connection timer, or null if the connection table is closed. guarded by a sync
on the connection table
geode-core/src/main/java/org/apache/geode/internal/tcp/ConnectionTable.java