masaori335 commented on code in PR #13328:
URL: https://github.com/apache/trafficserver/pull/13328#discussion_r3708169661
##########
src/traffic_ctl/traffic_ctl.cc:
##########
@@ -315,6 +317,20 @@ main([[maybe_unused]] int argc, const char **argv)
.add_option("--params", "-p", "Parameters to be passed in the request,
YAML or JSON format", "", MORE_THAN_ONE_ARG_N, "", "")
.add_example_usage("traffic_ctl rpc invoke foo_bar -p \"numbers: [1, 2,
3]\"");
+ // cache shm commands - operate directly on POSIX shared memory; no running
server required.
+ auto &shm_command = cache_command.add_command("shm", "Inspect and manage
cache shared-memory segments").require_commands();
+ // No parser-level default for --prefix: ArgParser injects defaults into the
parsed
+ // arguments, which would make an omitted --prefix indistinguishable from an
explicit
+ // one. CacheShmCommand supplies the runtime default and keys its "did you
set
+ // name_prefix?" hint off the option being absent.
+ shm_command.add_option("--prefix", "-p", "shm name prefix word, framed as
/<word>- (default 'ats')", "", 1, "");
+ shm_command.add_command("status", "Show the cache shared-memory control
segment and stripe table", [&]() { command->execute(); })
+ .add_example_usage("traffic_ctl cache shm status")
+ .add_example_usage("traffic_ctl cache shm status --prefix ats-t");
+ shm_command.add_command("clear", "Unlink the cache shared-memory control and
stripe segments", [&]() { command->execute(); })
+ .add_example_usage("traffic_ctl cache shm clear")
+ .add_example_usage("traffic_ctl cache shm clear --prefix ats-t");
Review Comment:
Fixed by
[55d5019](https://github.com/apache/trafficserver/pull/13328/commits/55d501947a886d1ba74e184982c9415aaef63481)
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