Add switch notification attributes list to metadata (#886)

* Add switch notification attributes list to metadata

* Add define and sanity checks

Author: kcudnik

meta/parse.pl

@@ -3278,6 +3278,39 @@ sub CreateNotificationEnum
     CreateEnumHelperMethod("sai_switch_notification_type_t");
 }
 
+sub CreateSwitchNotificationAttributesList
+{
+    #
+    # create notification attributes list for easy use on places where only
+    # notifications must be processed instead of looping through all switch
+    # attributes
+    #
+
+    WriteSectionComment "SAI Switch Notification Attributes List";
+
+    WriteHeader "extern const sai_attr_metadata_t* const sai_metadata_switch_notify_attr[];";
+    WriteSource "const sai_attr_metadata_t* const sai_metadata_switch_notify_attr[] = {";
+
+    for my $name (sort keys %NOTIFICATIONS)
+    {
+        next if not $name =~ /^sai_(\w+)_notification_fn/;
+
+        WriteSource "&sai_metadata_attr_SAI_SWITCH_ATTR_" . uc($1) . "_NOTIFY,";
+    }
+
+    WriteSource "NULL";
+    WriteSource "};";
+
+    my $count = scalar(keys %NOTIFICATIONS);
+
+    WriteHeader "extern const size_t sai_metadata_switch_notify_attr_count;";
+    WriteSource "const size_t sai_metadata_switch_notify_attr_count = $count;";
+
+    WriteSectionComment "Define SAI_METADATA_SWITCH_NOTIFY_ATTR_COUNT";
+
+    WriteHeader "#define SAI_METADATA_SWITCH_NOTIFY_ATTR_COUNT $count";
+}
+
 sub WriteHeaderHeader
 {
     WriteSectionComment "AUTOGENERATED FILE! DO NOT EDIT";
@@ -3502,6 +3535,8 @@ sub MergeExtensionsEnums
 
 CreateNotificationEnum();
 
+CreateSwitchNotificationAttributesList();
+
 CreateSerializeMethods();
 
 WriteHeaderFotter();

meta/saisanitycheck.c

@@ -4368,9 +4368,39 @@ void check_acl_user_defined_field()
 
 void check_label_size()
 {
+    SAI_META_LOG_ENTER();
+
     META_ASSERT_TRUE(sizeof(sai_label_id_t) == sizeof(uint32_t), "label is expected to be 32 bit");
 }
 
+void check_switch_notify_list()
+{
+    SAI_META_LOG_ENTER();
+
+    size_t i;
+
+    for (i = 0; i < sai_metadata_switch_notify_attr_count; ++i)
+    {
+        META_ASSERT_NOT_NULL(sai_metadata_switch_notify_attr[i]);
+    }
+
+    /* check for NULL guard */
+
+    META_ASSERT_NULL(sai_metadata_switch_notify_attr[i]);
+}
+
+void check_defines()
+{
+    SAI_META_LOG_ENTER();
+
+    /*
+     * Check if defines are equal to their static values.
+     */
+
+    META_ASSERT_TRUE(SAI_METADATA_SWITCH_NOTIFY_ATTR_COUNT == sai_metadata_switch_notify_attr_count, "notify define must be equal");
+    META_ASSERT_TRUE(SAI_METADATA_SWITCH_NOTIFY_ATTR_COUNT > 3, "there must be at least 3 notifications defined");
+}
+
 int main(int argc, char **argv)
 {
     debug = (argc > 1);
@@ -4411,6 +4441,8 @@ int main(int argc, char **argv)
     check_get_attr_metadata();
     check_acl_user_defined_field();
     check_label_size();
+    check_switch_notify_list();
+    check_defines();
 
     i = SAI_OBJECT_TYPE_NULL + 1;