Support TWAMP Light notification in syncd

lib/Switch.cpp

@@ -123,6 +123,11 @@ void Switch::updateNotifications(
                     (sai_port_host_tx_ready_notification_fn)attr.value.ptr;
                 break;
 
+            case SAI_SWITCH_ATTR_TWAMP_SESSION_EVENT_NOTIFY:
+                m_switchNotifications.on_twamp_session_event =
+                    (sai_twamp_session_event_notification_fn)attr.value.ptr;
+                break;
+
             default:
                 SWSS_LOG_ERROR("pointer for %s is not handled, FIXME!", meta->attridname);
                 break;

meta/Makefile.am

@@ -35,6 +35,7 @@ libsaimeta_la_SOURCES = \
 				NotificationSwitchShutdownRequest.cpp \
 				NotificationSwitchStateChange.cpp \
 				NotificationBfdSessionStateChange.cpp \
+				NotificationTwampSessionEvent.cpp \
 				NotificationPortHostTxReadyEvent.cpp \
 				NumberOidIndexGenerator.cpp \
 				OidRefCounter.cpp \

meta/Meta.cpp

@@ -6729,6 +6729,84 @@ void Meta::meta_sai_on_bfd_session_state_change(
     }
 }
 
+void Meta::meta_sai_on_twamp_session_event_single(
+        _In_ const sai_twamp_session_event_notification_data_t& data)
+{
+    SWSS_LOG_ENTER();
+
+    auto ot = objectTypeQuery(data.twamp_session_id);
+
+    bool valid = false;
+
+    switch (ot)
+    {
+        // TODO hardcoded types, must advance SAI repository commit to get metadata for this
+        case SAI_OBJECT_TYPE_TWAMP_SESSION:
+
+            valid = true;
+            break;
+
+        default:
+
+            SWSS_LOG_ERROR("data.twamp_session_id %s has unexpected type: %s, expected TWAMP_SESSION",
+                    sai_serialize_object_id(data.twamp_session_id).c_str(),
+                    sai_serialize_object_type(ot).c_str());
+            break;
+    }
+
+    // check if all counter ids are in enum range
+    for (uint32_t idx = 0; idx < data.session_stats.number_of_counters; idx++)
+    {
+        if (!sai_metadata_get_enum_value_name(&sai_metadata_enum_sai_twamp_session_stat_t, data.session_stats.counters_ids[idx]))
+        {
+            SWSS_LOG_ERROR("value %d is not in range on sai_twamp_session_stat_t ", data.session_stats.counters_ids[idx]);
+
+            return;
+        }
+    }
+
+    if (valid && !m_oids.objectReferenceExists(data.twamp_session_id))
+    {
+        SWSS_LOG_NOTICE("data.twamp_session_id new object spotted %s not present in local DB (snoop!)",
+                sai_serialize_object_id(data.twamp_session_id).c_str());
+
+        sai_object_meta_key_t key = { .objecttype = (sai_object_type_t)ot, .objectkey = { .key = { .object_id = data.twamp_session_id } } };
+
+        m_oids.objectReferenceInsert(data.twamp_session_id);
+
+        if (!m_saiObjectCollection.objectExists(key))
+        {
+            m_saiObjectCollection.createObject(key);
+        }
+    }
+
+    if (!sai_metadata_get_enum_value_name(
+                &sai_metadata_enum_sai_twamp_session_state_t,
+                data.session_state))
+    {
+        SWSS_LOG_WARN("session_state value (%d) not found sai_twamp_session_state_t",
+                data.session_state);
+    }
+}
+
+void Meta::meta_sai_on_twamp_session_event(
+        _In_ uint32_t count,
+        _In_ const sai_twamp_session_event_notification_data_t *data)
+{
+    SWSS_LOG_ENTER();
+
+    if (count && data == NULL)
+    {
+        SWSS_LOG_ERROR("sai_twamp_session_event_notification_data_t pointer is NULL but count is %u", count);
+        return;
+    }
+
+    for (uint32_t i = 0; i < count; ++i)
+    {
+        meta_sai_on_twamp_session_event_single(data[i]);
+    }
+}
+
 int32_t Meta::getObjectReferenceCount(
         _In_ sai_object_id_t oid) const
 {

meta/Meta.h

@@ -225,6 +225,10 @@ namespace saimeta
                     _In_ sai_object_id_t switch_id,
                     _In_ sai_port_host_tx_ready_status_t host_tx_ready_status);
 
+            void meta_sai_on_twamp_session_event(
+                    _In_ uint32_t count,
+                    _In_ const sai_twamp_session_event_notification_data_t *data);
+
         private: // notifications helpers
 
             void meta_sai_on_fdb_flush_event_consolidated(
@@ -248,6 +252,9 @@ namespace saimeta
             void meta_sai_on_bfd_session_state_change_single(
                     _In_ const sai_bfd_session_state_notification_t& data);
 
+            void meta_sai_on_twamp_session_event_single(
+                    _In_ const sai_twamp_session_event_notification_data_t& data);
+
         private: // validation helpers
 
             sai_status_t meta_generic_validation_objlist(

meta/NotificationFactory.cpp

@@ -6,6 +6,7 @@
 #include "NotificationSwitchShutdownRequest.h"
 #include "NotificationSwitchStateChange.h"
 #include "NotificationBfdSessionStateChange.h"
+#include "NotificationTwampSessionEvent.h"
 #include "NotificationPortHostTxReadyEvent.h"
 #include "sairediscommon.h"
 
@@ -43,5 +44,8 @@ std::shared_ptr<Notification> NotificationFactory::deserialize(
     if (name == SAI_SWITCH_NOTIFICATION_NAME_BFD_SESSION_STATE_CHANGE)
         return std::make_shared<NotificationBfdSessionStateChange>(serializedNotification);
 
+    if (name == SAI_SWITCH_NOTIFICATION_NAME_TWAMP_SESSION_EVENT)
+        return std::make_shared<NotificationTwampSessionEvent>(serializedNotification);
+
     SWSS_LOG_THROW("unknown notification: '%s', FIXME", name.c_str());
 }

meta/NotificationTwampSessionEvent.cpp

@@ -0,0 +1,77 @@
+#include "NotificationTwampSessionEvent.h"
+
+#include "swss/logger.h"
+
+#include "meta/sai_serialize.h"
+
+using namespace sairedis;
+
+NotificationTwampSessionEvent::NotificationTwampSessionEvent(
+        _In_ const std::string& serializedNotification):
+    Notification(
+            SAI_SWITCH_NOTIFICATION_TYPE_TWAMP_SESSION_EVENT,
+            serializedNotification),
+    m_twampSessionEventNotificationData(nullptr)
+{
+    SWSS_LOG_ENTER();
+
+    sai_deserialize_twamp_session_event_ntf(
+            serializedNotification,
+            m_count,
+            &m_twampSessionEventNotificationData);
+}
+
+NotificationTwampSessionEvent::~NotificationTwampSessionEvent()
+{
+    SWSS_LOG_ENTER();
+
+    sai_deserialize_free_twamp_session_event_ntf(m_count, m_twampSessionEventNotificationData);
+}
+
+sai_object_id_t NotificationTwampSessionEvent::getSwitchId() const
+{
+    SWSS_LOG_ENTER();
+
+    // this notification don't contain switch id field
+
+    return SAI_NULL_OBJECT_ID;
+}
+
+sai_object_id_t NotificationTwampSessionEvent::getAnyObjectId() const
+{
+    SWSS_LOG_ENTER();
+
+    if (m_twampSessionEventNotificationData == nullptr)
+    {
+        return SAI_NULL_OBJECT_ID;
+    }
+
+    for (uint32_t idx = 0; idx < m_count; idx++)
+    {
+        if (m_twampSessionEventNotificationData[idx].twamp_session_id != SAI_NULL_OBJECT_ID)
+        {
+            return m_twampSessionEventNotificationData[idx].twamp_session_id;
+        }
+    }
+
+    return SAI_NULL_OBJECT_ID;
+}
+
+void NotificationTwampSessionEvent::processMetadata(
+        _In_ std::shared_ptr<saimeta::Meta> meta) const
+{
+    SWSS_LOG_ENTER();
+
+    meta->meta_sai_on_twamp_session_event(m_count, m_twampSessionEventNotificationData);
+}
+
+void NotificationTwampSessionEvent::executeCallback(
+        _In_ const sai_switch_notifications_t& switchNotifications) const
+{
+    SWSS_LOG_ENTER();
+
+    if (switchNotifications.on_twamp_session_event)
+    {
+        switchNotifications.on_twamp_session_event(m_count, m_twampSessionEventNotificationData);
+    }
+}

meta/NotificationTwampSessionEvent.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "Notification.h"
+
+namespace sairedis
+{
+    class NotificationTwampSessionEvent:
+        public Notification
+    {
+        public:
+
+            NotificationTwampSessionEvent(
+                    _In_ const std::string& serializedNotification);
+
+            virtual ~NotificationTwampSessionEvent();
+
+        public:
+
+            virtual sai_object_id_t getSwitchId() const override;
+
+            virtual sai_object_id_t getAnyObjectId() const override;
+
+            virtual void processMetadata(
+                    _In_ std::shared_ptr<saimeta::Meta> meta) const override;
+
+            virtual void executeCallback(
+                    _In_ const sai_switch_notifications_t& switchNotifications) const override;
+
+        private:
+
+            uint32_t m_count;
+
+            sai_twamp_session_event_notification_data_t *m_twampSessionEventNotificationData;
+    };
+}