[orchagent] TWAMP Light orchagent implementation (sonic-net#2927)

* [orchagent] TWAMP Light orchagent implementation. (sonic-net#2927)
* What I did
Implemented the TWAMP Light feature according to the SONiC TWAMP Light HLD(sonic-net/SONiC#1320).

Author: huseratgithub

orchagent/Makefile.am

@@ -113,7 +113,8 @@ orchagent_SOURCES = \
             dash/dashaclorch.cpp \
             dash/dashaclgroupmgr.cpp \
             dash/dashtagmgr.cpp \
-            dash/pbutils.cpp
+            dash/pbutils.cpp \
+            twamporch.cpp
 
 orchagent_SOURCES += flex_counter/flex_counter_manager.cpp flex_counter/flex_counter_stat_manager.cpp flex_counter/flow_counter_handler.cpp flex_counter/flowcounterrouteorch.cpp
 orchagent_SOURCES += debug_counter/debug_counter.cpp debug_counter/drop_counter.cpp

orchagent/crmorch.cpp

@@ -64,6 +64,7 @@ const map<CrmResourceType, string> crmResTypeNameMap =
     { CrmResourceType::CRM_DASH_IPV6_ACL_GROUP, "DASH_IPV6_ACL_GROUP" },
     { CrmResourceType::CRM_DASH_IPV4_ACL_RULE, "DASH_IPV4_ACL_RULE" },
     { CrmResourceType::CRM_DASH_IPV6_ACL_RULE, "DASH_IPV6_ACL_RULE" },
+    { CrmResourceType::CRM_TWAMP_ENTRY, "TWAMP_ENTRY" }
 };
 
 const map<CrmResourceType, uint32_t> crmResSaiAvailAttrMap =
@@ -84,6 +85,7 @@ const map<CrmResourceType, uint32_t> crmResSaiAvailAttrMap =
     { CrmResourceType::CRM_IPMC_ENTRY, SAI_SWITCH_ATTR_AVAILABLE_IPMC_ENTRY},
     { CrmResourceType::CRM_SNAT_ENTRY, SAI_SWITCH_ATTR_AVAILABLE_SNAT_ENTRY },
     { CrmResourceType::CRM_DNAT_ENTRY, SAI_SWITCH_ATTR_AVAILABLE_DNAT_ENTRY },
+    { CrmResourceType::CRM_TWAMP_ENTRY, SAI_SWITCH_ATTR_AVAILABLE_TWAMP_SESSION }
 };
 
 const map<CrmResourceType, sai_object_type_t> crmResSaiObjAttrMap =
@@ -125,6 +127,7 @@ const map<CrmResourceType, sai_object_type_t> crmResSaiObjAttrMap =
     { CrmResourceType::CRM_DASH_IPV6_ACL_GROUP, (sai_object_type_t)SAI_OBJECT_TYPE_DASH_ACL_GROUP },
     { CrmResourceType::CRM_DASH_IPV4_ACL_RULE, (sai_object_type_t)SAI_OBJECT_TYPE_DASH_ACL_RULE },
     { CrmResourceType::CRM_DASH_IPV6_ACL_RULE, (sai_object_type_t)SAI_OBJECT_TYPE_DASH_ACL_RULE },
+    { CrmResourceType::CRM_TWAMP_ENTRY, SAI_OBJECT_TYPE_NULL }
 };
 
 const map<CrmResourceType, sai_attr_id_t> crmResAddrFamilyAttrMap =
@@ -185,7 +188,8 @@ const map<string, CrmResourceType> crmThreshTypeResMap =
     { "dash_ipv4_acl_group_threshold_type", CrmResourceType::CRM_DASH_IPV4_ACL_GROUP },
     { "dash_ipv6_acl_group_threshold_type", CrmResourceType::CRM_DASH_IPV6_ACL_GROUP },
     { "dash_ipv4_acl_rule_threshold_type", CrmResourceType::CRM_DASH_IPV4_ACL_RULE },
-    { "dash_ipv6_acl_rule_threshold_type", CrmResourceType::CRM_DASH_IPV6_ACL_RULE }
+    { "dash_ipv6_acl_rule_threshold_type", CrmResourceType::CRM_DASH_IPV6_ACL_RULE },
+    { "twamp_entry_threshold_type", CrmResourceType::CRM_TWAMP_ENTRY }
 };
 
 const map<string, CrmResourceType> crmThreshLowResMap =
@@ -226,7 +230,8 @@ const map<string, CrmResourceType> crmThreshLowResMap =
     { "dash_ipv4_acl_group_low_threshold", CrmResourceType::CRM_DASH_IPV4_ACL_GROUP },
     { "dash_ipv6_acl_group_low_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_GROUP },
     { "dash_ipv4_acl_rule_low_threshold", CrmResourceType::CRM_DASH_IPV4_ACL_RULE },
-    { "dash_ipv6_acl_rule_low_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_RULE }
+    { "dash_ipv6_acl_rule_low_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_RULE },
+    { "twamp_entry_low_threshold", CrmResourceType::CRM_TWAMP_ENTRY }
 };
 
 const map<string, CrmResourceType> crmThreshHighResMap =
@@ -267,7 +272,8 @@ const map<string, CrmResourceType> crmThreshHighResMap =
     { "dash_ipv4_acl_group_high_threshold", CrmResourceType::CRM_DASH_IPV4_ACL_GROUP },
     { "dash_ipv6_acl_group_high_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_GROUP },
     { "dash_ipv4_acl_rule_high_threshold", CrmResourceType::CRM_DASH_IPV4_ACL_RULE },
-    { "dash_ipv6_acl_rule_high_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_RULE }
+    { "dash_ipv6_acl_rule_high_threshold", CrmResourceType::CRM_DASH_IPV6_ACL_RULE },
+    { "twamp_entry_high_threshold", CrmResourceType::CRM_TWAMP_ENTRY }
 };
 
 const map<string, CrmThresholdType> crmThreshTypeMap =
@@ -315,7 +321,8 @@ const map<string, CrmResourceType> crmAvailCntsTableMap =
     { "crm_stats_dash_ipv4_acl_group_available", CrmResourceType::CRM_DASH_IPV4_ACL_GROUP },
     { "crm_stats_dash_ipv6_acl_group_available", CrmResourceType::CRM_DASH_IPV6_ACL_GROUP },
     { "crm_stats_dash_ipv4_acl_rule_available", CrmResourceType::CRM_DASH_IPV4_ACL_RULE },
-    { "crm_stats_dash_ipv6_acl_rule_available", CrmResourceType::CRM_DASH_IPV6_ACL_RULE }
+    { "crm_stats_dash_ipv6_acl_rule_available", CrmResourceType::CRM_DASH_IPV6_ACL_RULE },
+    { "crm_stats_twamp_entry_available", CrmResourceType::CRM_TWAMP_ENTRY }
 };
 
 const map<string, CrmResourceType> crmUsedCntsTableMap =
@@ -356,7 +363,8 @@ const map<string, CrmResourceType> crmUsedCntsTableMap =
     { "crm_stats_dash_ipv4_acl_group_used", CrmResourceType::CRM_DASH_IPV4_ACL_GROUP },
     { "crm_stats_dash_ipv6_acl_group_used", CrmResourceType::CRM_DASH_IPV6_ACL_GROUP },
     { "crm_stats_dash_ipv4_acl_rule_used", CrmResourceType::CRM_DASH_IPV4_ACL_RULE },
-    { "crm_stats_dash_ipv6_acl_rule_used", CrmResourceType::CRM_DASH_IPV6_ACL_RULE }
+    { "crm_stats_dash_ipv6_acl_rule_used", CrmResourceType::CRM_DASH_IPV6_ACL_RULE },
+    { "crm_stats_twamp_entry_used", CrmResourceType::CRM_TWAMP_ENTRY },
 };
 
 CrmOrch::CrmOrch(DBConnector *db, string tableName):
@@ -877,6 +885,7 @@ void CrmOrch::getResAvailableCounters()
             case CrmResourceType::CRM_DASH_IPV6_OUTBOUND_CA_TO_PA:
             case CrmResourceType::CRM_DASH_IPV4_ACL_GROUP:
             case CrmResourceType::CRM_DASH_IPV6_ACL_GROUP:
+            case CrmResourceType::CRM_TWAMP_ENTRY:
             {
                 getResAvailability(res.first, res.second);
                 break;

orchagent/crmorch.h

@@ -49,7 +49,8 @@ enum class CrmResourceType
     CRM_DASH_IPV4_ACL_GROUP,
     CRM_DASH_IPV6_ACL_GROUP,
     CRM_DASH_IPV4_ACL_RULE,
-    CRM_DASH_IPV6_ACL_RULE
+    CRM_DASH_IPV6_ACL_RULE,
+    CRM_TWAMP_ENTRY
 };
 
 enum class CrmThresholdType

orchagent/notifications.cpp

@@ -27,6 +27,12 @@ void on_bfd_session_state_change(uint32_t count, sai_bfd_session_state_notificat
     // which causes concurrency access to the DB
 }
 
+void on_twamp_session_event(uint32_t count, sai_twamp_session_event_notification_data_t *data)
+{
+    // don't use this event handler, because it runs by libsairedis in a separate thread
+    // which causes concurrency access to the DB
+}
+
 void on_switch_shutdown_request(sai_object_id_t switch_id)
 {
     SWSS_LOG_ENTER();

orchagent/notifications.h

@@ -7,6 +7,7 @@ extern "C" {
 void on_fdb_event(uint32_t count, sai_fdb_event_notification_data_t *data);
 void on_port_state_change(uint32_t count, sai_port_oper_status_notification_t *data);
 void on_bfd_session_state_change(uint32_t count, sai_bfd_session_state_notification_t *data);
+void on_twamp_session_event(uint32_t count, sai_twamp_session_event_notification_data_t *data);
 
 // The function prototype information can be found here:
 //      https://github.com/sonic-net/sonic-sairedis/blob/master/meta/NotificationSwitchShutdownRequest.cpp#L49

orchagent/orchdaemon.cpp

@@ -727,6 +727,11 @@ bool OrchDaemon::init()
     gP4Orch = new P4Orch(m_applDb, p4rt_tables, vrf_orch, gCoppOrch);
     m_orchList.push_back(gP4Orch);
 
+    TableConnector confDbTwampTable(m_configDb, CFG_TWAMP_SESSION_TABLE_NAME);
+    TableConnector stateDbTwampTable(m_stateDb, STATE_TWAMP_SESSION_TABLE_NAME);
+    TwampOrch *twamp_orch = new TwampOrch(confDbTwampTable, stateDbTwampTable, gSwitchOrch, gPortsOrch, vrf_orch);
+    m_orchList.push_back(twamp_orch);
+
     if (WarmStart::isWarmStart())
     {
         bool suc = warmRestoreAndSyncUp();

orchagent/orchdaemon.h

@@ -46,6 +46,7 @@
 #include "bfdorch.h"
 #include "srv6orch.h"
 #include "nvgreorch.h"
+#include "twamporch.h"
 #include "dash/dashaclorch.h"
 #include "dash/dashorch.h"
 #include "dash/dashrouteorch.h"

orchagent/saihelper.cpp

@@ -82,6 +82,7 @@ sai_dash_inbound_routing_api_t*     sai_dash_inbound_routing_api;
 sai_dash_eni_api_t*                 sai_dash_eni_api;
 sai_dash_vip_api_t*                 sai_dash_vip_api;
 sai_dash_direction_lookup_api_t*    sai_dash_direction_lookup_api;
+sai_twamp_api_t*                    sai_twamp_api;
 sai_tam_api_t*                      sai_tam_api;
 
 extern sai_object_id_t gSwitchId;
@@ -218,7 +219,8 @@ void initSaiApi()
     sai_api_query((sai_api_t)SAI_API_DASH_ENI,                  (void**)&sai_dash_eni_api);
     sai_api_query((sai_api_t)SAI_API_DASH_VIP,                  (void**)&sai_dash_vip_api);
     sai_api_query((sai_api_t)SAI_API_DASH_DIRECTION_LOOKUP,     (void**)&sai_dash_direction_lookup_api);
-    sai_api_query(SAI_API_TAM,                                  (void **)&sai_tam_api);
+    sai_api_query(SAI_API_TWAMP,                (void **)&sai_twamp_api);
+    sai_api_query(SAI_API_TAM,                  (void **)&sai_tam_api);
 
     sai_log_set(SAI_API_SWITCH,                 SAI_LOG_LEVEL_NOTICE);
     sai_log_set(SAI_API_BRIDGE,                 SAI_LOG_LEVEL_NOTICE);
@@ -258,6 +260,7 @@ void initSaiApi()
     sai_log_set(SAI_API_BFD,                    SAI_LOG_LEVEL_NOTICE);
     sai_log_set(SAI_API_MY_MAC,                 SAI_LOG_LEVEL_NOTICE);
     sai_log_set(SAI_API_GENERIC_PROGRAMMABLE,   SAI_LOG_LEVEL_NOTICE);
+    sai_log_set(SAI_API_TWAMP,                  SAI_LOG_LEVEL_NOTICE);
     sai_log_set(SAI_API_TAM,                    SAI_LOG_LEVEL_NOTICE);
 }