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mirror of https://gitlab.isc.org/isc-projects/kea synced 2025-08-31 05:55:28 +00:00

[3589] Option data configuration parsers store parsed data into cfgmgr.

This commit is contained in:
Marcin Siodelski
2014-09-23 10:05:51 +02:00
parent 08c3a4aee4
commit 04cb6e8afc
9 changed files with 203 additions and 505 deletions

View File

@@ -42,72 +42,6 @@ using namespace isc::asiolink;
namespace {
/// @brief Parser for DHCP4 option data value.
///
/// This parser parses configuration entries that specify value of
/// a single option specific to DHCP4. It provides the DHCP4-specific
/// implementation of the abstract class OptionDataParser.
class Dhcp4OptionDataParser : public OptionDataParser {
public:
/// @brief Constructor.
///
/// @param dummy first param, option names are always "Dhcp4/option-data[n]"
/// @param options is the option storage in which to store the parsed option
/// upon "commit".
/// @param global_context is a pointer to the global context which
/// stores global scope parameters, options, option defintions.
Dhcp4OptionDataParser(const std::string&,
OptionStoragePtr options, ParserContextPtr global_context)
:OptionDataParser("", options, global_context) {
}
/// @brief static factory method for instantiating Dhcp4OptionDataParsers
///
/// @param param_name name of the parameter to be parsed.
/// @param options storage where the parameter value is to be stored.
/// @param global_context is a pointer to the global context which
/// stores global scope parameters, options, option defintions.
/// @return returns a pointer to a new OptionDataParser. Caller is
/// is responsible for deleting it when it is no longer needed.
static OptionDataParser* factory(const std::string& param_name,
OptionStoragePtr options, ParserContextPtr global_context) {
return (new Dhcp4OptionDataParser(param_name, options, global_context));
}
protected:
/// @brief Finds an option definition within the server's option space
///
/// Given an option space and an option code, find the correpsonding
/// option defintion within the server's option defintion storage.
///
/// @param option_space name of the parameter option space
/// @param option_code numeric value of the parameter to find
/// @return OptionDefintionPtr of the option defintion or an
/// empty OptionDefinitionPtr if not found.
/// @throw DhcpConfigError if the option space requested is not valid
/// for this server.
virtual OptionDefinitionPtr findServerSpaceOptionDefinition (
std::string& option_space, uint32_t option_code) {
OptionDefinitionPtr def;
if (option_space == "dhcp4" &&
LibDHCP::isStandardOption(Option::V4, option_code)) {
def = LibDHCP::getOptionDef(Option::V4, option_code);
} else if (option_space == "dhcp6") {
isc_throw(DhcpConfigError, "'dhcp6' option space name is reserved"
<< " for DHCPv6 server");
} else {
// Check if this is a vendor-option. If it is, get vendor-specific
// definition.
uint32_t vendor_id = CfgOption::optionSpaceToVendorId(option_space);
if (vendor_id) {
def = LibDHCP::getVendorOptionDef(Option::V4, vendor_id, option_code);
}
}
return (def);
}
};
/// @brief Parser for IPv4 pool definitions.
///
/// This is the IPv4 derivation of the PoolParser class and handles pool
@@ -245,9 +179,7 @@ protected:
} else if (config_id.compare("relay") == 0) {
parser = new RelayInfoParser(config_id, relay_info_, Option::V4);
} else if (config_id.compare("option-data") == 0) {
parser = new OptionDataListParser(config_id, options_,
global_context_,
Dhcp4OptionDataParser::factory);
parser = new OptionDataListParser(config_id, options_, AF_INET);
} else {
isc_throw(NotImplemented, "unsupported parameter: " << config_id);
}
@@ -448,10 +380,7 @@ namespace dhcp {
} else if (config_id.compare("subnet4") == 0) {
parser = new Subnets4ListConfigParser(config_id);
} else if (config_id.compare("option-data") == 0) {
parser = new OptionDataListParser(config_id,
globalContext()->options_,
globalContext(),
Dhcp4OptionDataParser::factory);
parser = new OptionDataListParser(config_id, CfgOptionPtr(), AF_INET);
} else if (config_id.compare("option-def") == 0) {
parser = new OptionDefListParser(config_id, globalContext());
} else if ((config_id.compare("version") == 0) ||