void ProducerStateTable::set(string key, vector<FieldValueTuple> &values,
string op /*= SET_COMMAND*/, string prefix)
{
// Assembly redis command args into a string vector
vector<string> args;
args.push_back("EVALSHA");
args.push_back(m_shaSet);
args.push_back(to_string(values.size() + 2));
args.push_back(getChannelName());
args.push_back(getKeySetName());
args.insert(args.end(), values.size(), getKeyName(key));
args.push_back("G");
args.push_back(key);
for (auto& iv: values)
{
args.push_back(fvField(iv));
args.push_back(fvValue(iv));
}
// Transform data structure
vector<const char *> args1;
transform(args.begin(), args.end(), back_inserter(args1), [](const string &s) { return s.c_str(); } );
// Invoke redis command
RedisCommand command;
command.formatArgv((int)args1.size(), &args1[0], NULL);
m_pipe->push(command, REDIS_REPLY_NIL);
if (!m_buffered)
{
m_pipe->flush();
}
}
void swss::NotificationConsumer::pop(std::string &op, std::string &data, std::vector<FieldValueTuple> &values)
{
JSon::readJson(m_msg, values);
FieldValueTuple fvt = values.at(0);
op = fvField(fvt);
data = fvValue(fvt);
values.erase(values.begin());
}
[[ noreturn ]] void Logger::settingThread()
{
Select select;
DBConnector db(LOGLEVEL_DB, DBConnector::DEFAULT_UNIXSOCKET, 0);
std::vector<std::shared_ptr<ConsumerStateTable>> selectables(m_settingChangeObservers.size());
for (const auto& i : m_settingChangeObservers)
{
std::shared_ptr<ConsumerStateTable> table = std::make_shared<ConsumerStateTable>(&db, i.first);
selectables.push_back(table);
select.addSelectable(table.get());
}
while(true)
{
Selectable *selectable = nullptr;
int ret = select.select(&selectable);
if (ret == Select::ERROR)
{
SWSS_LOG_NOTICE("%s select error %s", __PRETTY_FUNCTION__, strerror(errno));
continue;
}
KeyOpFieldsValuesTuple koValues;
dynamic_cast<ConsumerStateTable *>(selectable)->pop(koValues);
std::string key = kfvKey(koValues), op = kfvOp(koValues);
if ((op != SET_COMMAND) || (m_settingChangeObservers.find(key) == m_settingChangeObservers.end()))
{
continue;
}
auto values = kfvFieldsValues(koValues);
for (const auto& i : values)
{
const std::string &field = fvField(i), &value = fvValue(i);
if ((field == DAEMON_LOGLEVEL) && (value != m_currentPrios[key]))
{
m_currentPrios[key] = value;
m_settingChangeObservers[key].first(key, value);
}
else if ((field == DAEMON_LOGOUTPUT) && (value != m_currentOutputs[key]))
{
m_currentOutputs[key] = value;
m_settingChangeObservers[key].second(key, value);
}
break;
}
}
}
void handleUnittestChannelOp(
_In_ const std::string &op,
_In_ const std::string &key,
_In_ const std::vector<swss::FieldValueTuple> &values)
{
MUTEX();
SWSS_LOG_ENTER();
/*
* Since we will access and modify DB we need to be under mutex.
*
* NOTE: since this unittest channel is handled in thread, then that means
* there is a DELAY from producer and consumer thread in VS, so if user
* will set value on the specific READ_ONLY value he should wait for some
* time until that value will be propagated to virtual switch.
*/
SWSS_LOG_NOTICE("op = %s, key = %s", op.c_str(), key.c_str());
for (const auto &v: values)
{
SWSS_LOG_DEBUG("attr: %s: %s", fvField(v).c_str(), fvValue(v).c_str());
}
if (op == SAI_VS_UNITTEST_ENABLE_UNITTESTS)
{
channelOpEnableUnittests(key, values);
}
else if (op == SAI_VS_UNITTEST_SET_RO_OP)
{
channelOpSetReadOnlyAttribute(key, values);
}
else if (op == SAI_VS_UNITTEST_SET_STATS_OP)
{
channelOpSetStats(key, values);
}
else
{
SWSS_LOG_ERROR("unknown unittest operation: %s", op.c_str());
}
}
void swss::NotificationConsumer::pop(std::string &op, std::string &data, std::vector<FieldValueTuple> &values)
{
SWSS_LOG_ENTER();
if (m_queue.size() == 0)
{
SWSS_LOG_ERROR("notification queue is empty, can't pop");
throw std::runtime_error("notification queue is empty, can't pop");
}
std::string msg = m_queue.front();
m_queue.pop();
JSon::readJson(msg, values);
FieldValueTuple fvt = values.at(0);
op = fvField(fvt);
data = fvValue(fvt);
values.erase(values.begin());
}
sai_status_t internal_redis_bulk_generic_remove(
_In_ sai_object_type_t object_type,
_In_ const std::vector<std::string> &serialized_object_ids,
_Out_ sai_status_t *object_statuses) /* array */
{
SWSS_LOG_ENTER();
std::string str_object_type = sai_serialize_object_type(object_type);
std::vector<swss::FieldValueTuple> entries;
/*
* We are recording all entries and their statuses, but we send to sairedis
* only those that succeeded metadata check, since only those will be
* executed on syncd, so there is no need with bothering decoding statuses
* on syncd side.
*/
for (size_t idx = 0; idx < serialized_object_ids.size(); ++idx)
{
std::string str_attr = "";
swss::FieldValueTuple fvtNoStatus(serialized_object_ids[idx], str_attr);
entries.push_back(fvtNoStatus);
}
/*
* We are adding number of entries to actually add ':' to be compatible
* with previous
*/
if (g_record)
{
std::string joined;
for (const auto &e: entries)
{
// ||obj_id|attr=val|attr=val||obj_id|attr=val|attr=val
joined += "||" + fvField(e) + "|" + fvValue(e);
}
/*
* Capital 'C' stands for bulk CREATE operation.
*/
recordLine("C|" + str_object_type + joined);
}
// key: object_type:count
// field: object_id
// value: object_attrs
std::string key = str_object_type + ":" + std::to_string(entries.size());
if (entries.size())
{
g_asicState->set(key, entries, "bulkremove");
}
return SAI_STATUS_SUCCESS;
}
void TunnelDecapOrch::doTask(Consumer& consumer)
{
SWSS_LOG_ENTER();
if (!gPortsOrch->isInitDone())
{
return;
}
auto it = consumer.m_toSync.begin();
while (it != consumer.m_toSync.end())
{
KeyOpFieldsValuesTuple t = it->second;
string key = kfvKey(t);
string op = kfvOp(t);
IpAddresses ip_addresses;
IpAddress src_ip;
string tunnel_type;
string dscp_mode;
string ecn_mode;
string ttl_mode;
bool valid = true;
// checking to see if the tunnel already exists
bool exists = (tunnelTable.find(key) != tunnelTable.end());
if (op == SET_COMMAND)
{
for (auto i : kfvFieldsValues(t))
{
if (fvField(i) == "tunnel_type")
{
tunnel_type = fvValue(i);
if (tunnel_type != "IPINIP")
{
SWSS_LOG_ERROR("Invalid tunnel type %s", tunnel_type.c_str());
valid = false;
break;
}
}
else if (fvField(i) == "dst_ip")
{
try
{
ip_addresses = IpAddresses(fvValue(i));
}
catch (const std::invalid_argument &e)
{
SWSS_LOG_ERROR("%s", e.what());
valid = false;
break;
}
if (exists)
{
setIpAttribute(key, ip_addresses, tunnelTable.find(key)->second.tunnel_id);
}
}
else if (fvField(i) == "src_ip")
{
try
{
src_ip = IpAddress(fvValue(i));
}
catch (const std::invalid_argument &e)
{
SWSS_LOG_ERROR("%s", e.what());
valid = false;
break;
}
if (exists)
{
SWSS_LOG_ERROR("cannot modify src ip for existing tunnel");
}
}
else if (fvField(i) == "dscp_mode")
{
dscp_mode = fvValue(i);
if (dscp_mode != "uniform" && dscp_mode != "pipe")
{
SWSS_LOG_ERROR("Invalid dscp mode %s\n", dscp_mode.c_str());
valid = false;
break;
}
if (exists)
{
setTunnelAttribute(fvField(i), dscp_mode, tunnelTable.find(key)->second.tunnel_id);
}
}
else if (fvField(i) == "ecn_mode")
{
ecn_mode = fvValue(i);
if (ecn_mode != "copy_from_outer" && ecn_mode != "standard")
{
SWSS_LOG_ERROR("Invalid ecn mode %s\n", ecn_mode.c_str());
valid = false;
break;
}
if (exists)
{
setTunnelAttribute(fvField(i), ecn_mode, tunnelTable.find(key)->second.tunnel_id);
}
}
else if (fvField(i) == "ttl_mode")
{
ttl_mode = fvValue(i);
if (ttl_mode != "uniform" && ttl_mode != "pipe")
{
SWSS_LOG_ERROR("Invalid ttl mode %s\n", ttl_mode.c_str());
valid = false;
break;
}
if (exists)
{
setTunnelAttribute(fvField(i), ttl_mode, tunnelTable.find(key)->second.tunnel_id);
}
}
}
// create new tunnel if it doesn't exists already
if (valid && !exists)
{
if (addDecapTunnel(key, tunnel_type, ip_addresses, src_ip, dscp_mode, ecn_mode, ttl_mode))
{
SWSS_LOG_NOTICE("Tunnel(s) added to ASIC_DB.");
}
else
{
SWSS_LOG_ERROR("Failed to add tunnels to ASIC_DB.");
}
}
}
if (op == DEL_COMMAND)
{
if (exists)
{
removeDecapTunnel(key);
}
else
{
SWSS_LOG_ERROR("Tunnel cannot be removed since it doesn't exist.");
}
}
it = consumer.m_toSync.erase(it);
}
}
void channelOpSetReadOnlyAttribute(
_In_ const std::string &key,
_In_ const std::vector<swss::FieldValueTuple> &values)
{
SWSS_LOG_ENTER();
for (const auto &v: values)
{
SWSS_LOG_DEBUG("attr: %s: %s", fvField(v).c_str(), fvValue(v).c_str());
}
if (values.size() != 1)
{
SWSS_LOG_ERROR("expected 1 value only, but given: %zu", values.size());
return;
}
const std::string &str_object_type = key.substr(0, key.find(":"));
const std::string &str_object_id = key.substr(key.find(":") + 1);
sai_object_type_t object_type;
sai_deserialize_object_type(str_object_type, object_type);
if (object_type == SAI_OBJECT_TYPE_NULL || object_type >= SAI_OBJECT_TYPE_EXTENSIONS_MAX)
{
SWSS_LOG_ERROR("invalid object type: %d", object_type);
return;
}
auto info = sai_metadata_get_object_type_info(object_type);
if (info->isnonobjectid)
{
SWSS_LOG_ERROR("non object id %s is not supported yet", str_object_type.c_str());
return;
}
sai_object_id_t object_id;
sai_deserialize_object_id(str_object_id, object_id);
sai_object_type_t ot = sai_object_type_query(object_id);
if (ot != object_type)
{
SWSS_LOG_ERROR("object type is differnt than provided %s, but oid is %s",
str_object_type.c_str(), sai_serialize_object_type(ot).c_str());
return;
}
sai_object_id_t switch_id = sai_switch_id_query(object_id);
if (switch_id == SAI_NULL_OBJECT_ID)
{
SWSS_LOG_ERROR("failed to find switch id for oid %s", str_object_id.c_str());
return;
}
// oid is validated and we got switch id
const std::string &str_attr_id = fvField(values.at(0));
const std::string &str_attr_value = fvValue(values.at(0));
auto meta = sai_metadata_get_attr_metadata_by_attr_id_name(str_attr_id.c_str());
if (meta == NULL)
{
SWSS_LOG_ERROR("failed to find attr %s", str_attr_id.c_str());
return;
}
if (meta->objecttype != ot)
{
SWSS_LOG_ERROR("attr %s belongs to differnt object type than oid: %s",
str_attr_id.c_str(), sai_serialize_object_type(ot).c_str());
return;
}
// we got attr metadata
sai_attribute_t attr;
attr.id = meta->attrid;
sai_deserialize_attr_value(str_attr_value, *meta, attr);
SWSS_LOG_NOTICE("switch id is %s", sai_serialize_object_id(switch_id).c_str());
sai_status_t status = meta_unittests_allow_readonly_set_once(meta->objecttype, meta->attrid);
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("failed to enable SET readonly attribute once: %s", sai_serialize_status(status).c_str());
return;
}
sai_object_meta_key_t meta_key = { .objecttype = ot, .objectkey = { .key = { .object_id = object_id } } };
status = info->set(&meta_key, &attr);
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("failed to set %s to %s on %s",
str_attr_id.c_str(), str_attr_value.c_str(), str_object_id.c_str());
}
else
{
SWSS_LOG_NOTICE("SUCCESS to set %s to %s on %s",
str_attr_id.c_str(), str_attr_value.c_str(), str_object_id.c_str());
}
sai_deserialize_free_attribute_value(meta->attrvaluetype, attr);
}
void channelOpSetStats(
_In_ const std::string &key,
_In_ const std::vector<swss::FieldValueTuple> &values)
{
SWSS_LOG_ENTER();
// NOTE: we need to find stats for specific object, later SAI already have
// this feature and this search could be optimized here:
// https://github.com/opencomputeproject/SAI/commit/acc83933ff21c68e8ef10c9826de45807fdc0438
sai_object_id_t oid;
sai_deserialize_object_id(key, oid);
sai_object_type_t ot = sai_object_type_query(oid);
if (ot == SAI_OBJECT_TYPE_NULL)
{
SWSS_LOG_ERROR("invalid object id: %s", key.c_str());
return;
}
sai_object_id_t switch_id = sai_switch_id_query(oid);
if (switch_id == SAI_NULL_OBJECT_ID)
{
SWSS_LOG_ERROR("unable to get switch_id from oid: %s", key.c_str());
return;
}
/*
* Check if object for statistics was created and exists on switch.
*/
auto &objectHash = g_switch_state_map.at(switch_id)->objectHash.at(ot);
auto it = objectHash.find(key.c_str());
if (it == objectHash.end())
{
SWSS_LOG_ERROR("object not found: %s", key.c_str());
return;
}
/*
* Check if object for statistics have statistic map created, if not
* create empty map.
*/
auto &countersMap = g_switch_state_map.at(switch_id)->countersMap;
auto mapit = countersMap.find(key);
if (mapit == countersMap.end())
countersMap[key] = std::map<int,uint64_t>();
/*
* Find stats enum based on object type. In new metadata we have enum on
* object type, but here we need to find it manually enum is in format
* "sai_" + object_type + "_stat_t"
*/
std::string lower_ot = sai_serialize_object_type(ot).substr(16); // 16 = skip "SAI_OBJECT_TYPE_"
std::transform(lower_ot.begin(), lower_ot.end(), lower_ot.begin(), ::tolower);
std::string stat_enum_name = "sai_" + lower_ot + "_stat_t";
const sai_enum_metadata_t* statenum = NULL;
for (size_t i = 0; i < sai_metadata_all_enums_count; ++i)
{
if (sai_metadata_all_enums[i]->name == stat_enum_name)
{
SWSS_LOG_INFO("found enum %s", stat_enum_name.c_str());
// found
statenum = sai_metadata_all_enums[i];
break;
}
}
if (statenum == NULL)
{
SWSS_LOG_ERROR("failed to find stat enum: %s", stat_enum_name.c_str());
return;
}
for (auto v: values)
{
// value format: stat_enum_name:uint64
auto name = fvField(v);
uint64_t value;
if (sscanf(fvValue(v).c_str(), "%lu", &value) != 1)
{
SWSS_LOG_ERROR("failed to deserialize %s as couner value uint64_t", fvValue(v).c_str());
}
// linear search
int enumvalue = -1;
for (size_t i = 0; i < statenum->valuescount; ++i)
{
if (statenum->valuesnames[i] == name)
{
enumvalue = statenum->values[i];
break;
}
}
if (enumvalue == -1)
{
SWSS_LOG_ERROR("failed to find enum value: %s", name.c_str());
continue;
}
SWSS_LOG_DEBUG("writting %s = %lu on %s", name.c_str(), value, key.c_str());
countersMap.at(key)[enumvalue] = value;
}
}
void handleUnittestChannelOp(
_In_ const std::string &op,
_In_ const std::string &key,
_In_ const std::vector<swss::FieldValueTuple> &values)
{
/*
* Since we will access and modify DB we need to be under mutex.
*
* NOTE: since this unittest channel is handled in thread, then that means
* there is a DELAY from producer and consumer thread in VS, so if user
* will set value on the specific READ_ONLY value he should wait for some
* time until that value will be propagated to virtual switch.
*/
MUTEX();
SWSS_LOG_ENTER();
SWSS_LOG_NOTICE("read only SET: op = %s, key = %s", op.c_str(), key.c_str());
if (op == SAI_VS_UNITTEST_ENABLE_UNITTESTS)
{
bool enable = (key == "true");
meta_unittests_enable(enable);
}
else if (op == SAI_VS_UNITTEST_SET_RO_OP)
{
for (const auto &v: values)
{
SWSS_LOG_DEBUG("attr: %s: %s", fvField(v).c_str(), fvValue(v).c_str());
}
if (values.size() != 1)
{
SWSS_LOG_ERROR("expected 1 value only, but given: %zu", values.size());
return;
}
const std::string &str_object_type = key.substr(0, key.find(":"));
const std::string &str_object_id = key.substr(key.find(":") + 1);
sai_object_type_t object_type;
sai_deserialize_object_type(str_object_type, object_type);
if (object_type == SAI_OBJECT_TYPE_NULL || object_type >= SAI_OBJECT_TYPE_MAX)
{
SWSS_LOG_ERROR("invalid object type: %d", object_type);
return;
}
auto info = sai_metadata_get_object_type_info(object_type);
if (info->isnonobjectid)
{
SWSS_LOG_ERROR("non object id %s is not supported yet", str_object_type.c_str());
return;
}
sai_object_id_t object_id;
sai_deserialize_object_id(str_object_id, object_id);
sai_object_type_t ot = sai_object_type_query(object_id);
if (ot != object_type)
{
SWSS_LOG_ERROR("object type is differnt than provided %s, but oid is %s",
str_object_type.c_str(), sai_serialize_object_type(ot).c_str());
return;
}
sai_object_id_t switch_id = sai_switch_id_query(object_id);
if (switch_id == SAI_NULL_OBJECT_ID)
{
SWSS_LOG_ERROR("failed to find switch id for oid %s", str_object_id.c_str());
return;
}
// oid is validated and we got switch id
const std::string &str_attr_id = fvField(values.at(0));
const std::string &str_attr_value = fvValue(values.at(0));
auto meta = sai_metadata_get_attr_metadata_by_attr_id_name(str_attr_id.c_str());
if (meta == NULL)
{
SWSS_LOG_ERROR("failed to find attr %s", str_attr_id.c_str());
return;
}
if (meta->objecttype != ot)
{
SWSS_LOG_ERROR("attr %s belongs to differnt object type than oid: %s",
str_attr_id.c_str(), sai_serialize_object_type(ot).c_str());
return;
}
// we got attr metadata
sai_attribute_t attr;
attr.id = meta->attrid;
sai_deserialize_attr_value(str_attr_value, *meta, attr);
SWSS_LOG_NOTICE("switch id is %s", sai_serialize_object_id(switch_id).c_str());
sai_status_t status = meta_unittests_allow_readonly_set_once(meta->objecttype, meta->attrid);
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("failed to enable SET readonly attribute once: %s", sai_serialize_status(status).c_str());
return;
}
sai_object_meta_key_t meta_key = { .objecttype = ot, .objectkey = { .key = { .object_id = object_id } } };
status = info->set(&meta_key, &attr);
if (status != SAI_STATUS_SUCCESS)
{
SWSS_LOG_ERROR("failed to set %s to %s on %s",
str_attr_id.c_str(), str_attr_value.c_str(), str_object_id.c_str());
}
else
{
SWSS_LOG_NOTICE("SUCCESS to set %s to %s on %s",
str_attr_id.c_str(), str_attr_value.c_str(), str_object_id.c_str());
}
sai_deserialize_free_attribute_value(meta->attrvaluetype, attr);
}
else
{
void ConsumerStateTable::pops(std::deque<KeyOpFieldsValuesTuple> &vkco, std::string /*prefix*/)
{
static std::string luaScript =
"local ret = {}\n"
"local keys = redis.call('SPOP', KEYS[1], ARGV[1])\n"
"local n = table.getn(keys)\n"
"for i = 1, n do\n"
"local key = keys[i]\n"
"local values = redis.call('HGETALL', KEYS[2] .. key)\n"
"table.insert(ret, {key, values})\n"
"end\n"
"return ret\n";
static std::string sha = loadRedisScript(m_db, luaScript);
RedisCommand command;
command.format(
"EVALSHA %s 2 %s %s: %d ''",
sha.c_str(),
getKeySetName().c_str(),
getTableName().c_str(),
POP_BATCH_SIZE);
RedisReply r(m_db, command);
auto ctx0 = r.getContext();
vkco.clear();
// if the set is empty, return an empty kco object
if (ctx0->type == REDIS_REPLY_NIL)
{
return;
}
assert(ctx0->type == REDIS_REPLY_ARRAY);
size_t n = ctx0->elements;
vkco.resize(n);
for (size_t ie = 0; ie < n; ie++)
{
auto& kco = vkco[ie];
auto& values = kfvFieldsValues(kco);
assert(values.empty());
auto& ctx = ctx0->element[ie];
assert(ctx->elements == 2);
assert(ctx->element[0]->type == REDIS_REPLY_STRING);
std::string key = ctx->element[0]->str;
kfvKey(kco) = key;
assert(ctx->element[1]->type == REDIS_REPLY_ARRAY);
auto ctx1 = ctx->element[1];
for (size_t i = 0; i < ctx1->elements / 2; i++)
{
FieldValueTuple e;
fvField(e) = ctx1->element[i * 2]->str;
fvValue(e) = ctx1->element[i * 2 + 1]->str;
values.push_back(e);
}
// if there is no field-value pair, the key is already deleted
if (values.empty())
{
kfvOp(kco) = DEL_COMMAND;
}
else
{
kfvOp(kco) = SET_COMMAND;
}
}
}
