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ServerSai.cpp
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#include "ServerSai.h"
#include "SaiInternal.h"
#include "Sai.h"
#include "ServerConfig.h"
#include "sairediscommon.h"
#include "meta/sai_serialize.h"
#include "meta/SaiAttributeList.h"
#include "meta/ZeroMQSelectableChannel.h"
#include "swss/logger.h"
#include "swss/select.h"
#include "swss/tokenize.h"
#include <iterator>
#include <algorithm>
using namespace sairedis;
using namespace saimeta;
using namespace std::placeholders;
#define REDIS_CHECK_API_INITIALIZED() \
if (!m_apiInitialized) { \
SWSS_LOG_ERROR("%s: api not initialized", __PRETTY_FUNCTION__); \
return SAI_STATUS_FAILURE; }
ServerSai::ServerSai()
{
SWSS_LOG_ENTER();
m_apiInitialized = false;
m_runServerThread = false;
}
ServerSai::~ServerSai()
{
SWSS_LOG_ENTER();
if (m_apiInitialized)
{
apiUninitialize();
}
}
// INITIALIZE UNINITIALIZE
sai_status_t ServerSai::apiInitialize(
_In_ uint64_t flags,
_In_ const sai_service_method_table_t *service_method_table)
{
MUTEX();
SWSS_LOG_ENTER();
if (m_apiInitialized)
{
SWSS_LOG_ERROR("%s: api already initialized", __PRETTY_FUNCTION__);
return SAI_STATUS_FAILURE;
}
if (flags != 0)
{
SWSS_LOG_ERROR("invalid flags passed to SAI API initialize");
return SAI_STATUS_INVALID_PARAMETER;
}
if ((service_method_table == NULL) ||
(service_method_table->profile_get_next_value == NULL) ||
(service_method_table->profile_get_value == NULL))
{
SWSS_LOG_ERROR("invalid service_method_table handle passed to SAI API initialize");
return SAI_STATUS_INVALID_PARAMETER;
}
memcpy(&m_service_method_table, service_method_table, sizeof(m_service_method_table));
m_sai = std::make_shared<Sai>(); // actual SAI to talk to syncd
auto status = m_sai->apiInitialize(flags, service_method_table);
SWSS_LOG_NOTICE("init client/server sai: %s", sai_serialize_status(status).c_str());
if (status == SAI_STATUS_SUCCESS)
{
auto serverConfig = service_method_table->profile_get_value(0, SAI_REDIS_KEY_SERVER_CONFIG);
auto cc = ServerConfig::loadFromFile(serverConfig);
m_selectableChannel = std::make_shared<ZeroMQSelectableChannel>(cc->m_zmqEndpoint);
SWSS_LOG_NOTICE("starting server thread");
m_runServerThread = true;
m_serverThread = std::make_shared<std::thread>(&ServerSai::serverThreadFunction, this);
m_apiInitialized = true;
}
return status;
}
sai_status_t ServerSai::apiUninitialize(void)
{
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
SWSS_LOG_NOTICE("begin");
m_apiInitialized = false;
if (m_serverThread)
{
SWSS_LOG_NOTICE("end server thread begin");
m_runServerThread = false;
m_serverThreadThreadShouldEndEvent.notify();
m_serverThread->join();
SWSS_LOG_NOTICE("end server thread end");
}
m_sai = nullptr;
SWSS_LOG_NOTICE("end");
return SAI_STATUS_SUCCESS;
}
// QUAD OID
sai_status_t ServerSai::create(
_In_ sai_object_type_t objectType,
_Out_ sai_object_id_t* objectId,
_In_ sai_object_id_t switchId,
_In_ uint32_t attr_count,
_In_ const sai_attribute_t *attr_list)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->create(
objectType,
objectId,
switchId,
attr_count,
attr_list);
}
sai_status_t ServerSai::remove(
_In_ sai_object_type_t objectType,
_In_ sai_object_id_t objectId)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->remove(objectType, objectId);
}
sai_status_t ServerSai::set(
_In_ sai_object_type_t objectType,
_In_ sai_object_id_t objectId,
_In_ const sai_attribute_t *attr)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->set(objectType, objectId, attr);
}
sai_status_t ServerSai::get(
_In_ sai_object_type_t objectType,
_In_ sai_object_id_t objectId,
_In_ uint32_t attr_count,
_Inout_ sai_attribute_t *attr_list)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->get(
objectType,
objectId,
attr_count,
attr_list);
}
// QUAD ENTRY
#define DECLARE_CREATE_ENTRY(OT,ot) \
sai_status_t ServerSai::create( \
_In_ const sai_ ## ot ## _t* entry, \
_In_ uint32_t attr_count, \
_In_ const sai_attribute_t *attr_list) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->create(entry, attr_count, attr_list); \
}
SAIREDIS_DECLARE_EVERY_ENTRY(DECLARE_CREATE_ENTRY);
#define DECLARE_REMOVE_ENTRY(OT,ot) \
sai_status_t ServerSai::remove( \
_In_ const sai_ ## ot ## _t* entry) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->remove(entry); \
}
SAIREDIS_DECLARE_EVERY_ENTRY(DECLARE_REMOVE_ENTRY);
#define DECLARE_SET_ENTRY(OT,ot) \
sai_status_t ServerSai::set( \
_In_ const sai_ ## ot ## _t* entry, \
_In_ const sai_attribute_t *attr) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->set(entry, attr); \
}
SAIREDIS_DECLARE_EVERY_ENTRY(DECLARE_SET_ENTRY);
#define DECLARE_GET_ENTRY(OT,ot) \
sai_status_t ServerSai::get( \
_In_ const sai_ ## ot ## _t* entry, \
_In_ uint32_t attr_count, \
_Inout_ sai_attribute_t *attr_list) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->get(entry, attr_count, attr_list); \
}
SAIREDIS_DECLARE_EVERY_ENTRY(DECLARE_GET_ENTRY);
// STATS
sai_status_t ServerSai::getStats(
_In_ sai_object_type_t object_type,
_In_ sai_object_id_t object_id,
_In_ uint32_t number_of_counters,
_In_ const sai_stat_id_t *counter_ids,
_Out_ uint64_t *counters)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->getStats(
object_type,
object_id,
number_of_counters,
counter_ids,
counters);
}
sai_status_t ServerSai::queryStatsCapability(
_In_ sai_object_id_t switchId,
_In_ sai_object_type_t objectType,
_Inout_ sai_stat_capability_list_t *stats_capability)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->queryStatsCapability(
switchId,
objectType,
stats_capability);
}
sai_status_t ServerSai::queryStatsStCapability(
_In_ sai_object_id_t switchId,
_In_ sai_object_type_t objectType,
_Inout_ sai_stat_st_capability_list_t *stats_capability)
{
SWSS_LOG_ENTER();
return SAI_STATUS_NOT_IMPLEMENTED;
}
sai_status_t ServerSai::getStatsExt(
_In_ sai_object_type_t object_type,
_In_ sai_object_id_t object_id,
_In_ uint32_t number_of_counters,
_In_ const sai_stat_id_t *counter_ids,
_In_ sai_stats_mode_t mode,
_Out_ uint64_t *counters)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->getStatsExt(
object_type,
object_id,
number_of_counters,
counter_ids,
mode,
counters);
}
sai_status_t ServerSai::clearStats(
_In_ sai_object_type_t object_type,
_In_ sai_object_id_t object_id,
_In_ uint32_t number_of_counters,
_In_ const sai_stat_id_t *counter_ids)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->clearStats(
object_type,
object_id,
number_of_counters,
counter_ids);
}
sai_status_t ServerSai::bulkGetStats(
_In_ sai_object_id_t switchId,
_In_ sai_object_type_t object_type,
_In_ uint32_t object_count,
_In_ const sai_object_key_t *object_key,
_In_ uint32_t number_of_counters,
_In_ const sai_stat_id_t *counter_ids,
_In_ sai_stats_mode_t mode,
_Inout_ sai_status_t *object_statuses,
_Out_ uint64_t *counters)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkGetStats(switchId,
object_type,
object_count,
object_key,
number_of_counters,
counter_ids,
mode,
object_statuses,
counters);
}
sai_status_t ServerSai::bulkClearStats(
_In_ sai_object_id_t switchId,
_In_ sai_object_type_t object_type,
_In_ uint32_t object_count,
_In_ const sai_object_key_t *object_key,
_In_ uint32_t number_of_counters,
_In_ const sai_stat_id_t *counter_ids,
_In_ sai_stats_mode_t mode,
_Inout_ sai_status_t *object_statuses)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkClearStats(switchId,
object_type,
object_count,
object_key,
number_of_counters,
counter_ids,
mode,
object_statuses);
}
// BULK QUAD OID
sai_status_t ServerSai::bulkCreate(
_In_ sai_object_type_t object_type,
_In_ sai_object_id_t switch_id,
_In_ uint32_t object_count,
_In_ const uint32_t *attr_count,
_In_ const sai_attribute_t **attr_list,
_In_ sai_bulk_op_error_mode_t mode,
_Out_ sai_object_id_t *object_id,
_Out_ sai_status_t *object_statuses)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkCreate(
object_type,
switch_id,
object_count,
attr_count,
attr_list,
mode,
object_id,
object_statuses);
}
sai_status_t ServerSai::bulkRemove(
_In_ sai_object_type_t object_type,
_In_ uint32_t object_count,
_In_ const sai_object_id_t *object_id,
_In_ sai_bulk_op_error_mode_t mode,
_Out_ sai_status_t *object_statuses)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkRemove(
object_type,
object_count,
object_id,
mode,
object_statuses);
}
sai_status_t ServerSai::bulkSet(
_In_ sai_object_type_t object_type,
_In_ uint32_t object_count,
_In_ const sai_object_id_t *object_id,
_In_ const sai_attribute_t *attr_list,
_In_ sai_bulk_op_error_mode_t mode,
_Out_ sai_status_t *object_statuses)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkSet(
object_type,
object_count,
object_id,
attr_list,
mode,
object_statuses);
}
sai_status_t ServerSai::bulkGet(
_In_ sai_object_type_t object_type,
_In_ uint32_t object_count,
_In_ const sai_object_id_t *object_id,
_In_ const uint32_t *attr_count,
_Inout_ sai_attribute_t **attr_list,
_In_ sai_bulk_op_error_mode_t mode,
_Out_ sai_status_t *object_statuses)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->bulkGet(
object_type,
object_count,
object_id,
attr_count,
attr_list,
mode,
object_statuses);
}
// BULK QUAD ENTRY
#define DECLARE_BULK_CREATE_ENTRY(OT,ot) \
sai_status_t ServerSai::bulkCreate( \
_In_ uint32_t object_count, \
_In_ const sai_ ## ot ## _t* entries, \
_In_ const uint32_t *attr_count, \
_In_ const sai_attribute_t **attr_list, \
_In_ sai_bulk_op_error_mode_t mode, \
_Out_ sai_status_t *object_statuses) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->bulkCreate( \
object_count, \
entries, \
attr_count, \
attr_list, \
mode, \
object_statuses); \
}
SAIREDIS_DECLARE_EVERY_BULK_ENTRY(DECLARE_BULK_CREATE_ENTRY);
// BULK REMOVE
#define DECLARE_BULK_REMOVE_ENTRY(OT,ot) \
sai_status_t ServerSai::bulkRemove( \
_In_ uint32_t object_count, \
_In_ const sai_ ## ot ## _t *entries, \
_In_ sai_bulk_op_error_mode_t mode, \
_Out_ sai_status_t *object_statuses) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->bulkRemove( \
object_count, \
entries, \
mode, \
object_statuses); \
}
SAIREDIS_DECLARE_EVERY_BULK_ENTRY(DECLARE_BULK_REMOVE_ENTRY);
// BULK SET
#define DECLARE_BULK_SET_ENTRY(OT,ot) \
sai_status_t ServerSai::bulkSet( \
_In_ uint32_t object_count, \
_In_ const sai_ ## ot ## _t *entries, \
_In_ const sai_attribute_t *attr_list, \
_In_ sai_bulk_op_error_mode_t mode, \
_Out_ sai_status_t *object_statuses) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
return m_sai->bulkSet( \
object_count, \
entries, \
attr_list, \
mode, \
object_statuses); \
}
SAIREDIS_DECLARE_EVERY_BULK_ENTRY(DECLARE_BULK_SET_ENTRY);
// BULK GET
#define DECLARE_BULK_GET_ENTRY(OT,ot) \
sai_status_t ServerSai::bulkGet( \
_In_ uint32_t object_count, \
_In_ const sai_ ## ot ## _t *ot, \
_In_ const uint32_t *attr_count, \
_Inout_ sai_attribute_t **attr_list, \
_In_ sai_bulk_op_error_mode_t mode, \
_Out_ sai_status_t *object_statuses) \
{ \
MUTEX(); \
SWSS_LOG_ENTER(); \
REDIS_CHECK_API_INITIALIZED(); \
SWSS_LOG_ERROR("FIXME not implemented"); \
return SAI_STATUS_NOT_IMPLEMENTED; \
}
SAIREDIS_DECLARE_EVERY_BULK_ENTRY(DECLARE_BULK_GET_ENTRY);
// NON QUAD API
sai_status_t ServerSai::flushFdbEntries(
_In_ sai_object_id_t switch_id,
_In_ uint32_t attr_count,
_In_ const sai_attribute_t *attr_list)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->flushFdbEntries(switch_id, attr_count, attr_list);
}
// SAI API
sai_status_t ServerSai::objectTypeGetAvailability(
_In_ sai_object_id_t switchId,
_In_ sai_object_type_t objectType,
_In_ uint32_t attrCount,
_In_ const sai_attribute_t *attrList,
_Out_ uint64_t *count)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->objectTypeGetAvailability(
switchId,
objectType,
attrCount,
attrList,
count);
}
sai_status_t ServerSai::queryAttributeCapability(
_In_ sai_object_id_t switch_id,
_In_ sai_object_type_t object_type,
_In_ sai_attr_id_t attr_id,
_Out_ sai_attr_capability_t *capability)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->queryAttributeCapability(
switch_id,
object_type,
attr_id,
capability);
}
sai_status_t ServerSai::queryAttributeEnumValuesCapability(
_In_ sai_object_id_t switch_id,
_In_ sai_object_type_t object_type,
_In_ sai_attr_id_t attr_id,
_Inout_ sai_s32_list_t *enum_values_capability)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->queryAttributeEnumValuesCapability(
switch_id,
object_type,
attr_id,
enum_values_capability);
}
sai_object_type_t ServerSai::objectTypeQuery(
_In_ sai_object_id_t objectId)
{
SWSS_LOG_ENTER();
if (!m_apiInitialized)
{
SWSS_LOG_ERROR("%s: SAI API not initialized", __PRETTY_FUNCTION__);
return SAI_OBJECT_TYPE_NULL;
}
return m_sai->objectTypeQuery(objectId);
}
sai_object_id_t ServerSai::switchIdQuery(
_In_ sai_object_id_t objectId)
{
SWSS_LOG_ENTER();
if (!m_apiInitialized)
{
SWSS_LOG_ERROR("%s: SAI API not initialized", __PRETTY_FUNCTION__);
return SAI_NULL_OBJECT_ID;
}
return m_sai->switchIdQuery(objectId);
}
sai_status_t ServerSai::logSet(
_In_ sai_api_t api,
_In_ sai_log_level_t log_level)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->logSet(api, log_level);
}
sai_status_t ServerSai::queryApiVersion(
_Out_ sai_api_version_t *version)
{
MUTEX();
SWSS_LOG_ENTER();
REDIS_CHECK_API_INITIALIZED();
return m_sai->queryApiVersion(version);
}
void ServerSai::serverThreadFunction()
{
SWSS_LOG_ENTER();
SWSS_LOG_NOTICE("begin");
swss::Select s;
s.addSelectable(m_selectableChannel.get());
s.addSelectable(&m_serverThreadThreadShouldEndEvent);
while (m_runServerThread)
{
swss::Selectable *sel;
int result = s.select(&sel);
if (sel == &m_serverThreadThreadShouldEndEvent)
{
// user requested end server thread
break;
}
if (result == swss::Select::OBJECT)
{
processEvent(*m_selectableChannel.get());
}
else
{
SWSS_LOG_ERROR("select failed: %s", swss::Select::resultToString(result).c_str());
}
}
SWSS_LOG_NOTICE("end");
}
void ServerSai::processEvent(
_In_ SelectableChannel& consumer)
{
MUTEX();
SWSS_LOG_ENTER();
if (!m_apiInitialized)
{
SWSS_LOG_ERROR("%s: SAI API not initialized", __PRETTY_FUNCTION__);
return;
}
do
{
swss::KeyOpFieldsValuesTuple kco;
consumer.pop(kco, false);
processSingleEvent(kco);
}
while (!consumer.empty());
}
sai_status_t ServerSai::processSingleEvent(
_In_ const swss::KeyOpFieldsValuesTuple &kco)
{
SWSS_LOG_ENTER();
auto& key = kfvKey(kco);
auto& op = kfvOp(kco);
SWSS_LOG_INFO("key: %s op: %s", key.c_str(), op.c_str());
if (key.length() == 0)
{
SWSS_LOG_DEBUG("no elements in m_buffer");
return SAI_STATUS_SUCCESS;
}
if (op == REDIS_ASIC_STATE_COMMAND_CREATE)
return processQuadEvent(SAI_COMMON_API_CREATE, kco);
if (op == REDIS_ASIC_STATE_COMMAND_REMOVE)
return processQuadEvent(SAI_COMMON_API_REMOVE, kco);
if (op == REDIS_ASIC_STATE_COMMAND_SET)
return processQuadEvent(SAI_COMMON_API_SET, kco);
if (op == REDIS_ASIC_STATE_COMMAND_GET)
return processQuadEvent(SAI_COMMON_API_GET, kco);
if (op == REDIS_ASIC_STATE_COMMAND_BULK_CREATE)
return processBulkQuadEvent(SAI_COMMON_API_BULK_CREATE, kco);
if (op == REDIS_ASIC_STATE_COMMAND_BULK_REMOVE)
return processBulkQuadEvent(SAI_COMMON_API_BULK_REMOVE, kco);
if (op == REDIS_ASIC_STATE_COMMAND_BULK_SET)
return processBulkQuadEvent(SAI_COMMON_API_BULK_SET, kco);
if (op == REDIS_ASIC_STATE_COMMAND_GET_STATS)
return processGetStatsEvent(kco);
if (op == REDIS_ASIC_STATE_COMMAND_CLEAR_STATS)
return processClearStatsEvent(kco);
if (op == REDIS_ASIC_STATE_COMMAND_FLUSH)
return processFdbFlush(kco);
if (op == REDIS_ASIC_STATE_COMMAND_ATTR_CAPABILITY_QUERY)
return processAttrCapabilityQuery(kco);
if (op == REDIS_ASIC_STATE_COMMAND_ATTR_ENUM_VALUES_CAPABILITY_QUERY)
return processAttrEnumValuesCapabilityQuery(kco);
if (op == REDIS_ASIC_STATE_COMMAND_OBJECT_TYPE_GET_AVAILABILITY_QUERY)
return processObjectTypeGetAvailabilityQuery(kco);
if (op == REDIS_ASIC_STATE_COMMAND_STATS_CAPABILITY_QUERY)
return processStatsCapabilityQuery(kco);
SWSS_LOG_THROW("event op '%s' is not implemented, FIXME", op.c_str());
}
sai_status_t ServerSai::processQuadEvent(
_In_ sai_common_api_t api,
_In_ const swss::KeyOpFieldsValuesTuple &kco)
{
SWSS_LOG_ENTER();
const std::string& key = kfvKey(kco);
const std::string& op = kfvOp(kco);
const std::string& strObjectId = key.substr(key.find(":") + 1);
sai_object_meta_key_t metaKey;
sai_deserialize_object_meta_key(key, metaKey);
if (!sai_metadata_is_object_type_valid(metaKey.objecttype))
{
SWSS_LOG_THROW("invalid object type %s", key.c_str());
}
SWSS_LOG_NOTICE("got server request: %s : %s", key.c_str(), op.c_str());
auto& values = kfvFieldsValues(kco);
for (auto& v: values)
{
SWSS_LOG_NOTICE(" - attr: %s: %s", fvField(v).c_str(), fvValue(v).c_str());
}
SaiAttributeList list(metaKey.objecttype, values, false);
sai_attribute_t *attr_list = list.get_attr_list();
uint32_t attr_count = list.get_attr_count();
/*
* NOTE: Need to translate client notification pointers to sairedis
* pointers since they reside in different memory space.
*/
if (metaKey.objecttype == SAI_OBJECT_TYPE_SWITCH && (api == SAI_COMMON_API_CREATE || api == SAI_COMMON_API_SET))
{
/*
* Since we will be operating on existing switch, it may happen that
* client will set notification pointer, which is not actually set in
* sairedis server. Then we would need to take extra steps in server
* to forward those notifications. We could also drop notification
* request on clients side, since it would be possible only to set only
* existing pointers.
*
* TODO: must be done per switch, and switch may not exists yet
*/
// TODO m_handler->updateNotificationsPointers(attr_count, attr_list);
SWSS_LOG_ERROR("TODO, update notification pointers, FIXME!");
}
auto info = sai_metadata_get_object_type_info(metaKey.objecttype);
sai_status_t status;
// NOTE: for create api (even switch) passed oid will be SAI_NULL_OBJECT_ID
sai_object_id_t oid = SAI_NULL_OBJECT_ID;
if (info->isnonobjectid)
{
status = processEntry(metaKey, api, attr_count, attr_list);
}
else
{
sai_deserialize_object_id(strObjectId, oid);
// In case of create oid object, client don't know what will be created
// object id before it receive it, so instead of that it will transfer
// switch id in that place since switch id is needed to create other
// object in the first place. If create method is for switch, this
// field will be SAI_NULL_OBJECT_ID.
sai_object_id_t switchOid = oid;
status = processOid(metaKey.objecttype, oid, switchOid, api, attr_count, attr_list);
}
if (api == SAI_COMMON_API_GET)
{
sendGetResponse(metaKey.objecttype, strObjectId, status, attr_count, attr_list);
}
else if (status != SAI_STATUS_SUCCESS)
{
sendApiResponse(api, status, oid);
SWSS_LOG_ERROR("api failed: %s (%s): %s",
key.c_str(),
op.c_str(),
sai_serialize_status(status).c_str());
for (const auto &v: values)
{
SWSS_LOG_ERROR("attr: %s: %s", fvField(v).c_str(), fvValue(v).c_str());
}
}
else // non GET api, status is SUCCESS
{
sendApiResponse(api, status, oid);
}
return status;
}
void ServerSai::sendApiResponse(
_In_ sai_common_api_t api,
_In_ sai_status_t status,
_In_ sai_object_id_t oid)
{
SWSS_LOG_ENTER();
switch (api)
{
case SAI_COMMON_API_CREATE:
case SAI_COMMON_API_REMOVE:
case SAI_COMMON_API_SET:
break;
default:
SWSS_LOG_THROW("api %s not supported by this function",
sai_serialize_common_api(api).c_str());
}
std::vector<swss::FieldValueTuple> entry;
if (api == SAI_COMMON_API_CREATE)
{
// in case of create api, we need to return OID value that was created
// to the client
entry.emplace_back("oid", sai_serialize_object_id(oid));
}
std::string strStatus = sai_serialize_status(status);
SWSS_LOG_INFO("sending response for %s api with status: %s",
sai_serialize_common_api(api).c_str(),
strStatus.c_str());
m_selectableChannel->set(strStatus, entry, REDIS_ASIC_STATE_COMMAND_GETRESPONSE);
}
void ServerSai::sendGetResponse(
_In_ sai_object_type_t objectType,
_In_ const std::string& strObjectId,
_In_ sai_status_t status,
_In_ uint32_t attr_count,
_In_ sai_attribute_t *attr_list)
{
SWSS_LOG_ENTER();
std::vector<swss::FieldValueTuple> entry;
if (status == SAI_STATUS_SUCCESS)
{
entry = SaiAttributeList::serialize_attr_list(
objectType,
attr_count,
attr_list,
false);
}
else if (status == SAI_STATUS_BUFFER_OVERFLOW)
{
/*
* In this case we got correct values for list, but list was too small
* so serialize only count without list itself, sairedis will need to
* take this into account when deserialize.
*
* If there was a list somewhere, count will be changed to actual value
* different attributes can have different lists, many of them may
* serialize only count, and will need to support that on the receiver.
*/
entry = SaiAttributeList::serialize_attr_list(
objectType,
attr_count,
attr_list,
true);
}
else
{
/*
* Some other error, don't send attributes at all.
*/
}
for (const auto &e: entry)
{
SWSS_LOG_DEBUG("attr: %s: %s", fvField(e).c_str(), fvValue(e).c_str());
}