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[DASH] ACL stage 1 implementation. #5

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What I did

Why I did it

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{
SWSS_LOG_ENTER();

if (exists(group_id))

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Why do you want to return failed for duplicate creation. I believe we can add warn log and return success?

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Is there a possibility to get a request to create a group twice?

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We can check the group attributes and if they are the same return and warning instead of error. But I'm not sure that this can happen in the production. If duplicates are not possible the is no reason to additional logic to the code.

for (const auto& stage: stages)
{
auto status = bind(new_group, *eni, DashAclDirection::IN, stage);
ABORT_IF_NOT(status == SAI_STATUS_SUCCESS, "Failed to bind new group to ENI");

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Why are we not using handleSaiStatus and use this abort_if_not API

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It is a good question. If an error happens in the middle of the ACL group refreshing during binding of the new group to the ENI this means that something is wrong with the system. We can't recover from a situation like that because it is unknown what to do. If the binding of the new group failed we are not sure in which state that stage of the ENI is left. Does the old group is still bound? If we try to bind the old group will it fail? If we recover the old group in which state is the binding of the other ENIs? Do we need to back up to the old group?
In this situation asserting is the right way to handle the error. Orchagent will crash and restart. The controller will detect this and really the configuration

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}

auto& group = group_it->second;
if (isBound(group))

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Can you please add a comment explaining why you need to refresh ACL group only in bound scenario?

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This is explained in the HDL document (sonic-net/SONiC#1427). I prefer to not duplicate the information in two places.

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auto& group = group_it->second;

auto acl_rule_it = group.m_dash_acl_rule_table.find(rule_id);
ABORT_IF_NOT(acl_rule_it == group.m_dash_acl_rule_table.end(), "Failed to create ACL rule %s. Rule already exist in ACL group %s", rule_id.c_str(), group_id.c_str());

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Should we abort for duplicate? Instead can't we thrown warn and return?

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createRule method should be called only if the rule doesn't exist. Otherwise, updateRule should be called. It is the responsibility of the called to check and call the right method. The assertion is to prevent coding errors. It should not happen in a normal run.

@@ -252,6 +252,7 @@ bool OrchDaemon::init()
gDirectory.set(dash_route_orch);

vector<string> dash_acl_tables = {
"DASH_PREFIX_TAG_TABLE",

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Why don't we define a macro just like other tables in swss common?

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I even created a PR for that in swss-common :)
Just forgot to replace the string

oleksandrivantsiv pushed a commit that referenced this pull request Sep 19, 2023
**What I did**

Fix the Mem Leak by moving the raw pointers in type_maps to use smart pointers

**Why I did it**

```
Indirect leak of 83776 byte(s) in 476 object(s) allocated from:
    #0 0x7f0a2a414647 in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:99
    #1 0x5555590cc923 in __gnu_cxx::new_allocator, std::allocator > const, referenced_object> > >::allocate(unsigned long, void const*) /usr/include/c++/10/ext/new_allocator.h:115
    #2 0x5555590cc923 in std::allocator_traits, std::allocator > const, referenced_object> > > >::allocate(std::allocator, std::allocator > const, referenced_object> > >&, unsigned long) /usr/include/c++/10/bits/alloc_traits.h:460
    #3 0x5555590cc923 in std::_Rb_tree, std::allocator >, std::pair, std::allocator > const, referenced_object>, std::_Select1st, std::allocator > const, referenced_object> >, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >::_M_get_node() /usr/include/c++/10/bits/stl_tree.h:584
    #4 0x5555590cc923 in std::_Rb_tree_node, std::allocator > const, referenced_object> >* std::_Rb_tree, std::allocator >, std::pair, std::allocator > const, referenced_object>, std::_Select1st, std::allocator > const, referenced_object> >, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >::_M_create_node, std::allocator > const&>, std::tuple<> >(std::piecewise_construct_t const&, std::tuple, std::allocator > const&>&&, std::tuple<>&&) /usr/include/c++/10/bits/stl_tree.h:634
    #5 0x5555590cc923 in std::_Rb_tree_iterator, std::allocator > const, referenced_object> > std::_Rb_tree, std::allocator >, std::pair, std::allocator > const, referenced_object>, std::_Select1st, std::allocator > const, referenced_object> >, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >::_M_emplace_hint_unique, std::allocator > const&>, std::tuple<> >(std::_Rb_tree_const_iterator, std::allocator > const, referenced_object> >, std::piecewise_construct_t const&, std::tuple, std::allocator > const&>&&, std::tuple<>&&) /usr/include/c++/10/bits/stl_tree.h:2461
    #6 0x5555590e8757 in std::map, std::allocator >, referenced_object, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >::operator[](std::__cxx11::basic_string, std::allocator > const&) /usr/include/c++/10/bits/stl_map.h:501
    #7 0x5555590d48b0 in Orch::setObjectReference(std::map, std::allocator >, std::map, std::allocator >, referenced_object, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >*, std::less, std::allocator > >, std::allocator, std::allocator > const, std::map, std::allocator >, referenced_object, std::less, std::allocator > >, std::allocator, std::allocator > const, referenced_object> > >*> > >&, std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&, std::__cxx11::basic_string, std::allocator > const&) orchagent/orch.cpp:450
    sonic-net#8 0x5555594ff66b in QosOrch::handleQueueTable(Consumer&, std::tuple, std::allocator >, std::__cxx11::basic_string, std::allocator >, std::vector, std::allocator >, std::__cxx11::basic_string, std::allocator > >, std::allocator, std::allocator >, std::__cxx11::basic_string, std::allocator > > > > >&) orchagent/qosorch.cpp:1763
    sonic-net#9 0x5555594edbd6 in QosOrch::doTask(Consumer&) orchagent/qosorch.cpp:2179
    sonic-net#10 0x5555590c8743 in Consumer::drain() orchagent/orch.cpp:241
    sonic-net#11 0x5555590c8743 in Consumer::drain() orchagent/orch.cpp:238
    sonic-net#12 0x5555590c8743 in Consumer::execute() orchagent/orch.cpp:235
    sonic-net#13 0x555559090dad in OrchDaemon::start() orchagent/orchdaemon.cpp:755
    sonic-net#14 0x555558e9be25 in main orchagent/main.cpp:766
    sonic-net#15 0x7f0a299b6d09 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x23d09)
```
}

task_process_status DashAclOrch::unbindAclFromEni(DashAclBindTable &acl_bind_table, const string &key)
task_process_status DashAclOrch::unbindAclFromEni(DashAclDirection direction, const std::string table_id)

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const std::string& ?

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3 participants