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configparser.cpp
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#include <fstream>
#include <sstream>
#include "errors.h"
#include "common/idataplane.h"
#include "configparser.h"
namespace
{
inline void require(const nlohmann::json& json, const char* name)
{
if (!exist(json, name))
{
throw error_result_t(eResult::invalidConfigurationFile, std::string(name) + " not set");
}
}
} // namespace
static std::string dirname(const std::string& path)
{
auto position = path.find_last_of("/");
if (position == std::string::npos)
{
return ".";
}
return path.substr(0, position);
}
tPortId config_parser_t::getPhysicalPortId(const std::string& name) const
{
for (const auto& iter : std::get<0>(dataPlaneConfig))
{
const auto& portIdIter = iter.first;
const auto& nameIter = std::get<0>(iter.second);
if (nameIter == name)
{
return portIdIter;
}
}
throw error_result_t(eResult::invalidPhysicalPortName, "unknown physicalPort: " + name);
}
controlplane::base_t config_parser_t::loadConfig(const std::string& rootFilePath,
const nlohmann::json& rootJson,
const std::map<std::string, nlohmann::json>& jsons)
{
controlplane::base_t baseNext;
try
{
if (exist(rootJson, "modules"))
{
for (const auto& moduleJsonIter : rootJson["modules"].items())
{
const auto& moduleJson = moduleJsonIter.value();
std::string id = moduleJsonIter.key();
std::string type = moduleJson["type"];
/// @todo: check: 'id' not contain ':'
baseNext.moduleTypes[id] = type;
if (type == "logicalPort")
{
loadConfig_logicalPort(baseNext, id, moduleJson);
}
else if (type == "route")
{
loadConfig_route(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "decap")
{
loadConfig_decap(baseNext, id, moduleJson);
}
else if (type == "tun64")
{
loadConfig_tun64(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "nat64stateful")
{
loadConfig_nat64stateful(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "nat64stateless")
{
loadConfig_nat64stateless(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "acl")
{
loadConfig_acl(baseNext, id, moduleJson, rootFilePath);
}
else if (type == "dregress")
{
loadConfig_dregress(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "balancer")
{
loadConfig_balancer(baseNext, id, moduleJson, rootFilePath, jsons);
}
else if (type == "nat46clat")
{
loadConfig_nat46clat(baseNext, id, moduleJson, rootFilePath, jsons);
}
else
{
throw error_result_t(eResult::invalidType, "unknown module type: " + type);
}
}
}
if (exist(rootJson, "variables"))
{
loadConfig_variables(baseNext, rootJson["variables"]);
}
if (exist(rootJson, "fqdns"))
{
for (const auto& path_json : rootJson["fqdns"])
{
loadConfig_fqdns(baseNext, path_json, rootFilePath, jsons);
}
}
if (exist(rootJson, "rib"))
{
loadConfig_rib(baseNext, rootJson["rib"]);
}
if (exist(rootJson, "memory_groups"))
{
loadConfig_memory_group(baseNext.root_memory_group, rootJson["memory_groups"]);
}
if (exist(rootJson, "hostConfig"))
{
loadConfig_host(baseNext.host_config, rootJson["hostConfig"]);
}
}
catch (const error_result_t& err)
{
throw;
}
catch (const std::exception& ex)
{
throw error_result_t(eResult::invalidConfigurationFile, std::string("invalid configuration file: ") + ex.what());
}
catch (const std::string& string)
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid configuration file: " + string);
}
catch (...)
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid configuration file: ");
}
try
{
const auto& [dataplane_physicalports, dataplane_workers, dataplane_values] = dataPlaneConfig;
GCC_BUG_UNUSED(dataplane_workers);
GCC_BUG_UNUSED(dataplane_values);
for (const auto& [core_id, worker] : dataplane_workers)
{
GCC_BUG_UNUSED(core_id);
const auto& [ports, socket_id] = worker;
GCC_BUG_UNUSED(ports);
// add entry for sockets with workers, including slow worker
baseNext.socket_interfaces[socket_id] = {};
}
for (const auto& [route_name, route] : baseNext.routes)
{
GCC_BUG_UNUSED(route_name);
for (const auto& [interface_name, interface] : route.interfaces)
{
GCC_BUG_UNUSED(interface_name);
if (exist(baseNext.logicalPorts, interface.nextModule))
{
const auto& logicalport = baseNext.logicalPorts[interface.nextModule];
const auto& [physicalport_name, socket_id, mac_address, pci] = dataplane_physicalports.find(logicalport.physicalPortId)->second;
GCC_BUG_UNUSED(physicalport_name);
GCC_BUG_UNUSED(mac_address);
GCC_BUG_UNUSED(pci);
baseNext.socket_interfaces[socket_id].emplace(interface.interfaceId);
}
}
}
}
catch (...)
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid configuration file: socket_interfaces");
}
return baseNext;
}
void config_parser_t::loadConfig_logicalPort(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson)
{
auto& logicalPort = baseNext.logicalPorts[moduleId];
logicalPort.physicalPort = moduleJson.value("physicalPort", std::string(""));
logicalPort.physicalPortId = getPhysicalPortId(logicalPort.physicalPort);
if (exist(moduleJson, "vlanId"))
{
logicalPort.vlanId = std::stoll(moduleJson["vlanId"].get<std::string>(), nullptr, 0);
}
if (exist(moduleJson, "macAddress"))
{
logicalPort.macAddress = moduleJson["macAddress"].get<std::string>();
}
else
{
logicalPort.macAddress = std::get<2>(std::get<0>(dataPlaneConfig)[logicalPort.physicalPortId]);
}
if (exist(moduleJson, "promiscuousMode"))
{
if (moduleJson["promiscuousMode"] == "true")
{
logicalPort.promiscuousMode = 1;
}
}
logicalPort.nextModule = moduleJson.value("nextModule", "");
//
logicalPort.logicalPortId = CALCULATE_LOGICALPORT_ID(logicalPort.physicalPortId, logicalPort.vlanId);
baseNext.logicalport_id_to_name[logicalPort.logicalPortId] = moduleId;
}
void config_parser_t::loadConfig_route(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
tRouteId routeId = baseNext.routes.size();
auto& route = baseNext.routes[moduleId];
if (exist(moduleJson, "interfaces"))
{
for (const auto& interfaceJsonIter : moduleJson["interfaces"].items())
{
const auto& interfaceJson = interfaceJsonIter.value();
std::string id = interfaceJsonIter.key();
auto& interface = route.interfaces[id];
if (exist(interfaceJson, "ipAddresses"))
{
for (const auto& ipAddressJson : interfaceJson["ipAddresses"])
{
interface.ip_prefixes.emplace(ipAddressJson.get<std::string>());
}
}
if (exist(interfaceJson, "neighborIPv4Address"))
{
interface.neighborIPv4Address = interfaceJson["neighborIPv4Address"].get<std::string>();
}
if (exist(interfaceJson, "neighborIPv6Address"))
{
interface.neighborIPv6Address = interfaceJson["neighborIPv6Address"].get<std::string>();
}
if (exist(interfaceJson, "neighborMacAddress"))
{
/// @todo: neighborMacAddress -> neighbor_mac_address_v4 + neighbor_mac_address_v6
interface.static_neighbor_mac_address_v4 = interfaceJson["neighborMacAddress"].get<std::string>();
interface.static_neighbor_mac_address_v6 = interfaceJson["neighborMacAddress"].get<std::string>();
}
interface.nextModule = interfaceJson.value("nextModule", "");
interface.acl = interfaceJson.value("acl", "");
//
interface.interfaceId = baseNext.interfacesCount;
baseNext.interfacesCount++;
baseNext.interfaceNames[interface.interfaceId] = id;
}
}
if (exist(moduleJson, "vrf"))
{
route.vrf = moduleJson["vrf"].get<std::string>();
}
if (exist(moduleJson, "ignore_tables"))
{
for (const auto& ignore_table_json : moduleJson["ignore_tables"])
{
route.ignore_tables.emplace(ignore_table_json.get<std::string>());
}
}
route.tunnel_enabled = true;
if (exist(moduleJson, "ipv4SourceAddress"))
{
route.ipv4_source_address = moduleJson["ipv4SourceAddress"].get<std::string>();
}
else
{
route.tunnel_enabled = false;
}
if (exist(moduleJson, "ipv6SourceAddress"))
{
route.ipv6_source_address = moduleJson["ipv6SourceAddress"].get<std::string>();
}
else
{
route.tunnel_enabled = false;
}
if (exist(moduleJson, "udpDestinationPort"))
{
route.udp_destination_port = moduleJson["udpDestinationPort"];
}
else
{
route.tunnel_enabled = false;
}
if (exist(moduleJson, "localPrefixes"))
{
loadConfig_localPrefixes(baseNext,
route.local_prefixes,
moduleJson["localPrefixes"],
rootFilePath,
jsons);
}
if (exist(moduleJson, "localPrefixes_include"))
{
loadConfig_localPrefixes(baseNext,
route.local_prefixes,
moduleJson["localPrefixes_include"],
rootFilePath,
jsons);
}
if (exist(moduleJson, "peers"))
{
loadConfig_route_peers(baseNext,
route,
moduleJson["peers"],
rootFilePath,
jsons);
}
else
{
route.tunnel_enabled = false;
}
if (exist(moduleJson, "random_source"))
{
route.random_source = moduleJson["random_source"].get<bool>();
}
//
route.routeId = routeId;
}
void config_parser_t::loadConfig_route_peers(controlplane::base_t& baseNext,
controlplane::route::config_t& route,
const nlohmann::json& json,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
if (json.is_string())
{
std::string includePath = json;
if (includePath.find("/") != 0) ///< relative path
{
includePath = dirname(rootFilePath) + "/" + includePath;
}
if (exist(jsons, includePath))
{
loadConfig_route_peers(baseNext,
route,
jsons.find(includePath)->second,
rootFilePath,
jsons);
}
else
{
std::ifstream includeFileStream(includePath);
if (!includeFileStream.is_open())
{
throw error_result_t(eResult::errorOpenFile, "can't open file " + includePath);
}
else
{
nlohmann::json includeJson = nlohmann::json::parse(includeFileStream, nullptr, false);
if (includeJson.is_discarded())
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid json format");
}
loadConfig_route_peers(baseNext,
route,
includeJson,
rootFilePath,
jsons);
}
}
return;
}
for (const auto& peerJson : json.items())
{
uint32_t peer_id = std::stoll(peerJson.key(), nullptr, 0);
std::string peer_name = peerJson.value();
route.peers[peer_id] = peer_name;
}
}
void config_parser_t::loadConfig_decap(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson)
{
tDecapId decapId = baseNext.decaps.size();
auto& decap = baseNext.decaps[moduleId];
if (exist(moduleJson, "ipv6DestinationPrefixes"))
{
for (const auto& ipv6DestinationPrefixJson : moduleJson["ipv6DestinationPrefixes"])
{
decap.ipv6DestinationPrefixes.emplace(ipv6DestinationPrefixJson);
}
}
if (exist(moduleJson, "dscpMarkType"))
{
using common::eDscpMarkType;
std::string dscpMarkTypeString = moduleJson["dscpMarkType"];
if (dscpMarkTypeString == "never")
{
decap.dscpMarkType = eDscpMarkType::never;
}
else if (dscpMarkTypeString == "onlyDefault")
{
decap.dscpMarkType = eDscpMarkType::onlyDefault;
if (exist(moduleJson, "dscp"))
{
decap.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else if (dscpMarkTypeString == "always")
{
decap.dscpMarkType = eDscpMarkType::always;
if (exist(moduleJson, "dscp"))
{
decap.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid dscpMarkType: " + dscpMarkTypeString);
}
}
decap.ipv6_enabled = 0;
if (exist(moduleJson, "ipv6_enabled"))
{
decap.ipv6_enabled = moduleJson["ipv6_enabled"].get<bool>();
}
decap.nextModule = moduleJson.value("nextModule", "");
decap.decapId = decapId;
}
void config_parser_t::loadConfig_nat64stateful(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson,
[[maybe_unused]] const std::string& rootFilePath,
[[maybe_unused]] const std::map<std::string, nlohmann::json>& jsons)
{
auto& nat64stateful = baseNext.nat64statefuls[moduleId];
nat64stateful_id_t nat64stateful_id = baseNext.nat64statefuls.size();
for (const auto& prefix_json : moduleJson["ipv6_prefixes"])
{
common::ipv6_prefix_t ipv6_prefix(prefix_json.get<std::string>());
nat64stateful.ipv6_prefixes.emplace_back(ipv6_prefix);
}
for (const auto& prefix_json : moduleJson["ipv4_prefixes"])
{
common::ipv4_prefix_t ipv4_prefix(prefix_json.get<std::string>());
if (!ipv4_prefix.mask())
{
throw error_result_t(eResult::invalidConfigurationFile, "nat64stateful: invalid ipv4_prefix");
}
nat64stateful.ipv4_prefixes.emplace_back(ipv4_prefix);
baseNext.nat64stateful_pool_size += (1u << (32 - ipv4_prefix.mask()));
}
if (exist(moduleJson, "announces"))
{
for (const auto& prefix_json : moduleJson["announces"])
{
nat64stateful.announces.emplace(prefix_json.get<std::string>());
}
}
if (exist(moduleJson, "dscpMarkType"))
{
using common::eDscpMarkType;
std::string dscpMarkTypeString = moduleJson["dscpMarkType"];
if (dscpMarkTypeString == "never")
{
nat64stateful.dscp_mark_type = eDscpMarkType::never;
}
else if (dscpMarkTypeString == "onlyDefault")
{
nat64stateful.dscp_mark_type = eDscpMarkType::onlyDefault;
if (exist(moduleJson, "dscp"))
{
nat64stateful.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else if (dscpMarkTypeString == "always")
{
nat64stateful.dscp_mark_type = eDscpMarkType::always;
if (exist(moduleJson, "dscp"))
{
nat64stateful.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid dscpMarkType: " + dscpMarkTypeString);
}
}
if (exist(moduleJson, "state_timeout"))
{
nat64stateful.state_timeout = moduleJson["state_timeout"];
}
nat64stateful.next_module = moduleJson.value("nextModule", "");
nat64stateful.nat64stateful_id = nat64stateful_id;
if (baseNext.nat64stateful_pool_size > YANET_CONFIG_NAT64STATEFUL_POOL_SIZE)
{
throw error_result_t(eResult::invalidConfigurationFile, "nat64stateful: ipv4 pool is overflow");
}
}
void config_parser_t::loadConfig_tun64(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
auto& tunnel = baseNext.tunnels[moduleId];
tun64_id_t tunnelId = baseNext.tunnels.size();
if (exist(moduleJson, "random_source"))
{
tunnel.srcRndEnabled = (moduleJson["random_source"] != "false");
}
if (exist(moduleJson, "ipv6SourceAddress"))
{
tunnel.ipv6SourceAddress = moduleJson["ipv6SourceAddress"].get<std::string>();
}
else
{
throw error_result_t(eResult::missingRequiredOption, "ipv6SourceAddress is required for tun64 module.");
}
if (exist(moduleJson, "prefixes"))
{
loadConfig_localPrefixes(baseNext,
tunnel.prefixes,
moduleJson["prefixes"],
rootFilePath,
jsons);
}
if (exist(moduleJson, "ipv6DestinationPrefixes"))
{
for (const auto& prefixJson : moduleJson["ipv6DestinationPrefixes"])
{
tunnel.prefixes.emplace(prefixJson.get<std::string>());
}
}
else
{
tunnel.prefixes.emplace(tunnel.ipv6SourceAddress, 128);
}
if (exist(moduleJson, "mappings"))
{
loadConfig_tun64mappings(baseNext,
tunnel,
moduleJson["mappings"],
rootFilePath,
jsons);
}
if (exist(moduleJson, "dscpMarkType"))
{
using common::eDscpMarkType;
std::string dscpMarkTypeString = moduleJson["dscpMarkType"];
if (dscpMarkTypeString == "never")
{
tunnel.dscpMarkType = eDscpMarkType::never;
}
else if (dscpMarkTypeString == "onlyDefault")
{
tunnel.dscpMarkType = eDscpMarkType::onlyDefault;
if (exist(moduleJson, "dscp"))
{
tunnel.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else if (dscpMarkTypeString == "always")
{
tunnel.dscpMarkType = eDscpMarkType::always;
if (exist(moduleJson, "dscp"))
{
tunnel.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid dscpMarkType: " + dscpMarkTypeString);
}
}
tunnel.nextModule = moduleJson.value("nextModule", "");
tunnel.tun64Id = tunnelId;
}
void config_parser_t::loadConfig_tun64mappings(controlplane::base_t& baseNext,
controlplane::tun64::config_t& tunnel,
const nlohmann::json& mappingsJson,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
for (const auto& mappingJsonIter : mappingsJson.items())
{
const auto& mappingJson = mappingJsonIter.value();
if (mappingJson.is_string())
{
std::string includePath = mappingJson;
if (includePath.find("/") != 0) ///< relative path
{
includePath = dirname(rootFilePath) + "/" + includePath;
}
if (exist(jsons, includePath))
{
loadConfig_tun64mappings(baseNext,
tunnel,
jsons.find(includePath)->second,
rootFilePath,
jsons);
}
else
{
std::ifstream includeFileStream(includePath);
if (!includeFileStream.is_open())
{
throw error_result_t(eResult::errorOpenFile, "can't open file " + includePath);
}
else
{
nlohmann::json includeJson = nlohmann::json::parse(includeFileStream, nullptr, false);
if (includeJson.is_discarded())
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid json format");
}
loadConfig_tun64mappings(baseNext,
tunnel,
includeJson,
rootFilePath,
jsons);
}
}
continue;
}
ipv4_address_t ipv4Address = ipv4_address_t(std::string(mappingJsonIter.key()));
if (exist(mappingJson, "addr6") && exist(mappingJson, "net_loc"))
{
ipv6_address_t ipv6Address = mappingJson["addr6"].get<std::string>();
tunnel.mappings[ipv4Address] = {ipv6Address,
mappingJson["net_loc"].get<std::string>()};
if (++baseNext.tun64MappingsCount >= CONFIG_YADECAP_TUN64_MAPPINGS_SIZE)
{
throw error_result_t(eResult::invalidTun64Id, "too many mappings");
}
}
}
}
void config_parser_t::loadConfig_nat64stateless(controlplane::base_t& baseNext,
const std::string& moduleId,
const nlohmann::json& moduleJson,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
tNat64statelessId nat64statelessId = baseNext.nat64statelesses.size();
auto& nat64stateless = baseNext.nat64statelesses[moduleId];
if (exist(moduleJson, "dscpMarkType"))
{
using common::eDscpMarkType;
std::string dscpMarkTypeString = moduleJson["dscpMarkType"];
if (dscpMarkTypeString == "never")
{
nat64stateless.dscpMarkType = eDscpMarkType::never;
}
else if (dscpMarkTypeString == "onlyDefault")
{
nat64stateless.dscpMarkType = eDscpMarkType::onlyDefault;
if (exist(moduleJson, "dscp"))
{
nat64stateless.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else if (dscpMarkTypeString == "always")
{
nat64stateless.dscpMarkType = eDscpMarkType::always;
if (exist(moduleJson, "dscp"))
{
nat64stateless.dscp = moduleJson["dscp"];
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "dscp not set");
}
}
else
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid dscpMarkType: " + dscpMarkTypeString);
}
}
if (exist(moduleJson, "firewall") &&
moduleJson["firewall"] == "false")
{
nat64stateless.firewall = 0;
}
else
{
nat64stateless.firewall = 1;
}
if (exist(moduleJson, "nat64_wkp_prefix"))
{
nat64stateless.nat64_wkp_prefix = moduleJson["nat64_wkp_prefix"].get<std::string>();
if ((!nat64stateless.nat64_wkp_prefix->isValid()) ||
nat64stateless.nat64_wkp_prefix->mask() > 96)
{
throw error_result_t(eResult::invalidPrefix, "invalid prefix: " + nat64stateless.nat64_wkp_prefix->toString());
}
}
if (exist(moduleJson, "nat64_src_prefix"))
{
nat64stateless.nat64_src_prefix = moduleJson["nat64_src_prefix"].get<std::string>();
if ((!nat64stateless.nat64_src_prefix->isValid()) ||
nat64stateless.nat64_src_prefix->mask() > 64 ||
nat64stateless.nat64_src_prefix->mask() % 8 != 0)
{
throw error_result_t(eResult::invalidPrefix, "invalid prefix: " + nat64stateless.nat64_src_prefix->toString());
}
}
if (exist(moduleJson, "nat64_prefixes"))
{
for (const auto& prefixJson : moduleJson["nat64_prefixes"])
{
nat64stateless.nat64_prefixes.emplace(prefixJson);
}
}
if (exist(moduleJson, "translations"))
{
loadConfig_nat64stateless_translations(baseNext,
nat64stateless,
moduleJson["translations"],
rootFilePath,
jsons);
}
if (exist(moduleJson, "defrag_farm_prefix"))
{
if (!exist(moduleJson, "defrag_source_prefix"))
{
throw error_result_t(eResult::invalidArguments, "defrag_farm_prefix is present, but defrag_source_prefix is not");
}
nat64stateless.defrag_farm_prefix = moduleJson["defrag_farm_prefix"].get<std::string>();
nat64stateless.defrag_source_prefix = moduleJson["defrag_source_prefix"].get<std::string>();
if (exist(moduleJson, "farm") &&
moduleJson["farm"] == "true")
{
nat64stateless.farm = 1;
}
else
{
nat64stateless.farm = 0;
}
}
nat64stateless.nextModule = moduleJson.value("nextModule", "");
nat64stateless.nat64statelessId = nat64statelessId;
}
void config_parser_t::loadConfig_nat64stateless_translations(controlplane::base_t& baseNext,
controlplane::base::nat64stateless_t& nat64stateless,
const nlohmann::json& translationsJson,
const std::string& rootFilePath,
const std::map<std::string, nlohmann::json>& jsons)
{
for (const auto& translationJson : translationsJson)
{
if (translationJson.is_string())
{
std::string includePath = translationJson;
if (includePath.find("/") != 0) ///< relative path
{
includePath = dirname(rootFilePath) + "/" + includePath;
}
if (exist(jsons, includePath))
{
loadConfig_nat64stateless_translations(baseNext,
nat64stateless,
jsons.find(includePath)->second,
rootFilePath,
jsons);
}
else
{
std::ifstream includeFileStream(includePath);
if (!includeFileStream.is_open())
{
throw error_result_t(eResult::errorOpenFile, "can't open file " + includePath);
}
else
{
nlohmann::json includeJson = nlohmann::json::parse(includeFileStream, nullptr, false);
if (includeJson.is_discarded())
{
throw error_result_t(eResult::invalidConfigurationFile, "invalid json format");
}
loadConfig_nat64stateless_translations(baseNext,
nat64stateless,
includeJson,
rootFilePath,
jsons);
}
}
continue;
}
if (!exist(translationJson, "ipv6Address"))
{
throw error_result_t(eResult::invalidConfigurationFile, "ipv6Address not set");
}
if (!exist(translationJson, "ipv4Address"))
{
throw error_result_t(eResult::invalidConfigurationFile, "ipv4Address not set");
}
std::optional<range_t> ingressPortRange;
std::optional<range_t> egressPortRange;
if (exist(translationJson, "ingressPortRange"))
{
ingressPortRange = translationJson["ingressPortRange"].get<std::string>();
}
if (exist(translationJson, "egressPortRange"))
{
egressPortRange = translationJson["egressPortRange"].get<std::string>();
}
/// @todo: check ingressPortRange and egressPortRange
ipv6_address_t ipv6Address = translationJson["ipv6Address"].get<std::string>();
ipv4_address_t ipv4Address = translationJson["ipv4Address"].get<std::string>();
ipv6_address_t ipv6DestinationAddress;
if (exist(translationJson, "wkp"))
{
if (translationJson["wkp"] == "true")
{
if (!nat64stateless.nat64_wkp_prefix)
{
throw error_result_t(eResult::invalidConfigurationFile, "nat64_wkp_prefix not set");
}
ipv6DestinationAddress = nat64stateless.nat64_wkp_prefix->address();
}
else
{
if (!nat64stateless.nat64_src_prefix)
{
throw error_result_t(eResult::invalidConfigurationFile, "nat64_src_prefix not set");
}
ipv6DestinationAddress = nat64stateless.nat64_src_prefix->address();
*(uint32_t*)(ipv6DestinationAddress.data() + (nat64stateless.nat64_src_prefix->mask() / 8)) = htobe32(ipv4Address);
}
}
else
{
if (!exist(translationJson, "ipv6DestinationAddress"))
{
throw error_result_t(eResult::invalidConfigurationFile, "ipv6DestinationAddress not set");