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345 | // Copyright (C) 2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <perfmon_config.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <dhcp/dhcp6.h>
#include <dhcp/pkt4.h>
#include <dhcp/pkt6.h>
using namespace isc;
using namespace isc::data;
using namespace isc::dhcp;
using namespace boost::posix_time;
namespace isc {
namespace perfmon {
const data::SimpleKeywords
DurationKeyParser::CONFIG_KEYWORDS =
{
{"query-type", Element::string},
{"response-type", Element::string},
{"start-event", Element::string},
{"stop-event", Element::string},
{"subnet-id", Element::integer}
};
uint16_t
DurationKeyParser::getMessageNameType4(const std::string& name) {
static std::map<std::string, uint16_t> name_type_map = {
{"", DHCP_NOTYPE},
{"*", DHCP_NOTYPE},
{"DHCPDISCOVER", DHCPDISCOVER},
{"DHCPOFFER", DHCPOFFER},
{"DHCPREQUEST", DHCPREQUEST},
{"DHCPDECLINE", DHCPDECLINE},
{"DHCPACK", DHCPACK},
{"DHCPNAK", DHCPNAK},
{"DHCPRELEASE", DHCPRELEASE},
{"DHCPINFORM", DHCPINFORM},
{"DHCPLEASEQUERY", DHCPLEASEQUERY},
{"DHCPLEASEUNASSIGNED", DHCPLEASEUNASSIGNED},
{"DHCPLEASEUNKNOWN", DHCPLEASEUNKNOWN},
{"DHCPLEASEACTIVE", DHCPLEASEACTIVE},
{"DHCPBULKLEASEQUERY", DHCPBULKLEASEQUERY},
{"DHCPLEASEQUERYDONE", DHCPLEASEQUERYDONE},
{"DHCPLEASEQUERYSTATUS", DHCPLEASEQUERYSTATUS},
{"DHCPTLS", DHCPTLS}
};
try {
const auto& found = name_type_map.at(name);
return (found);
} catch (const std::out_of_range& ex) {
isc_throw(BadValue, "'" << name << "' is not a valid DHCP message type");
}
}
uint16_t
DurationKeyParser::getMessageNameType6(const std::string& name) {
static std::map<std::string, uint16_t> name_type_map = {
{"", DHCPV6_NOTYPE},
{"*", DHCPV6_NOTYPE},
{"SOLICIT", DHCPV6_SOLICIT},
{"ADVERTISE", DHCPV6_ADVERTISE},
{"REQUEST", DHCPV6_REQUEST},
{"CONFIRM", DHCPV6_CONFIRM},
{"RENEW", DHCPV6_RENEW},
{"REBIND", DHCPV6_REBIND},
{"REPLY", DHCPV6_REPLY},
{"RELEASE", DHCPV6_RELEASE},
{"DECLINE", DHCPV6_DECLINE},
{"RECONFIGURE", DHCPV6_RECONFIGURE},
{"INFORMATION_REQUEST", DHCPV6_INFORMATION_REQUEST},
{"RELAY_FORW", DHCPV6_RELAY_FORW},
{"RELAY_REPL", DHCPV6_RELAY_REPL},
{"LEASEQUERY", DHCPV6_LEASEQUERY},
{"LEASEQUERY_REPLY", DHCPV6_LEASEQUERY_REPLY},
{"LEASEQUERY_DONE", DHCPV6_LEASEQUERY_DONE},
{"LEASEQUERY_DATA", DHCPV6_LEASEQUERY_DATA},
{"RECONFIGURE_REQUEST", DHCPV6_RECONFIGURE_REQUEST},
{"RECONFIGURE_REPLY", DHCPV6_RECONFIGURE_REPLY},
{"DHCPV4_QUERY", DHCPV6_DHCPV4_QUERY},
{"DHCPV4_RESPONSE", DHCPV6_DHCPV4_RESPONSE},
{"ACTIVELEASEQUERY", DHCPV6_ACTIVELEASEQUERY},
{"STARTTLS", DHCPV6_STARTTLS},
{"BNDUPD", DHCPV6_BNDUPD},
{"BNDREPLY", DHCPV6_BNDREPLY},
{"POOLREQ", DHCPV6_POOLREQ},
{"POOLRESP", DHCPV6_POOLRESP},
{"UPDREQ", DHCPV6_UPDREQ},
{"UPDREQALL", DHCPV6_UPDREQALL},
{"UPDDONE", DHCPV6_UPDDONE},
{"CONNECT", DHCPV6_CONNECT},
{"CONNECTREPLY", DHCPV6_CONNECTREPLY},
{"DISCONNECT", DHCPV6_DISCONNECT},
{"STATE", DHCPV6_STATE},
{"CONTACT", DHCPV6_CONTACT}
};
try {
const auto& found = name_type_map.at(name);
return (found);
} catch (const std::out_of_range& ex) {
isc_throw(BadValue, "'" << name << "' is not a valid DHCPV6 message type");
}
}
uint16_t
DurationKeyParser::getMessageType(data::ConstElementPtr config,
uint16_t family,
const std::string& param_name,
bool required /*= true */) {
// Parse members.
uint16_t msg_type = 0;
ConstElementPtr elem = config->get(param_name);
if (elem) {
try {
msg_type = (family == AF_INET ? getMessageNameType4(elem->stringValue())
: getMessageNameType6(elem->stringValue()));
} catch (const std::exception& ex) {
isc_throw(DhcpConfigError, "'" << param_name << "' parameter is invalid, " << ex.what());
}
} else {
if (required) {
isc_throw(DhcpConfigError, "'" << param_name << "' parameter is required");
}
}
return (msg_type);
}
DurationKeyPtr
DurationKeyParser::parse(data::ConstElementPtr config, uint16_t family) {
// Note checkKeywords() will throw DhcpConfigError if there is a problem.
SimpleParser::checkKeywords(CONFIG_KEYWORDS, config);
// Parse members.
auto query_type = getMessageType(config, family, "query-type");
auto response_type = getMessageType(config, family, "response-type");
std::string start_event;
ConstElementPtr elem = config->get("start-event");
if (elem) {
start_event = elem->stringValue();
} else {
isc_throw(DhcpConfigError, "'start-event' parameter is required");
}
std::string stop_event;
elem = config->get("stop-event");
if (elem) {
stop_event = elem->stringValue();
} else {
isc_throw(DhcpConfigError, "'stop-event' parameter is required");
}
SubnetID subnet_id = SUBNET_ID_GLOBAL;
elem = config->get("subnet-id");
if (elem) {
subnet_id = static_cast<SubnetID>(elem->intValue());
}
return (DurationKeyPtr(new DurationKey(family, query_type, response_type,
start_event, stop_event, subnet_id)));
}
data::ElementPtr
DurationKeyParser::toElement(DurationKeyPtr key) {
if (!key) {
isc_throw(BadValue, "DurationKeyParser::toElement() - key is empty");
}
ElementPtr map = Element::createMap();
if (key->getFamily() == AF_INET) {
map->set("query-type", Element::create(Pkt4::getName(key->getQueryType())));
map->set("response-type", Element::create(Pkt4::getName(key->getResponseType())));
} else {
map->set("query-type", Element::create(Pkt6::getName(key->getQueryType())));
map->set("response-type", Element::create(Pkt6::getName(key->getResponseType())));
}
map->set("start-event", Element::create(key->getStartEventLabel()));
map->set("stop-event", Element::create(key->getStopEventLabel()));
map->set("subnet-id", Element::create(static_cast<long long>(key->getSubnetId())));
return (map);
}
const data::SimpleKeywords
AlarmParser::CONFIG_KEYWORDS =
{
{"duration-key", Element::map},
{"enable-alarm", Element::boolean},
{"high-water-ms", Element::integer},
{"low-water-ms", Element::integer}
};
AlarmPtr
AlarmParser::parse(data::ConstElementPtr config, uint16_t family) {
// Note checkKeywords() will throw DhcpConfigError if there is a problem.
SimpleParser::checkKeywords(CONFIG_KEYWORDS, config);
// First parse the duration-key.
ConstElementPtr elem = config->get("duration-key");
if (!elem) {
isc_throw(DhcpConfigError, "'duration-key'" <<" parameter is required");
}
DurationKeyPtr key = DurationKeyParser::parse(elem, family);
// Parse scalar members.
elem = config->get("enable-alarm");
bool enable_alarm = (elem ? elem->boolValue() : true);
elem = config->get("high-water-ms");
uint64_t high_water_ms = 0;
if (elem) {
int64_t value = elem->intValue();
if (value <= 0) {
isc_throw(DhcpConfigError, "high-water-ms: '"
<< value << "', must be greater than 0");
}
high_water_ms = value;
} else {
isc_throw(DhcpConfigError, "'high-water-ms'" <<" parameter is required");
}
elem = config->get("low-water-ms");
uint64_t low_water_ms = 0;
if (elem) {
int64_t value = elem->intValue();
if (value <= 0) {
isc_throw(DhcpConfigError, "low-water-ms: '"
<< value << "', must be greater than 0");
}
low_water_ms = value;
} else {
isc_throw(DhcpConfigError, "'low-water-ms'" <<" parameter is required");
}
if (low_water_ms >= high_water_ms) {
isc_throw(DhcpConfigError, "'low-water-ms': " << low_water_ms
<< ", must be less than 'high-water-ms': " << high_water_ms);
}
return (AlarmPtr(new Alarm(*key, milliseconds(low_water_ms),
milliseconds(high_water_ms), enable_alarm)));
}
const data::SimpleKeywords
PerfMonConfig::CONFIG_KEYWORDS =
{
{"enable-monitoring", Element::boolean},
{"interval-width-secs", Element::integer},
{"stats-mgr-reporting", Element::boolean},
{"alarm-report-secs", Element::integer},
{"alarms", Element::list}
};
PerfMonConfig::PerfMonConfig(uint16_t family)
: family_(family),
enable_monitoring_(false),
interval_width_secs_(60),
stats_mgr_reporting_(true),
alarm_report_secs_(300) {
if (family_ != AF_INET && family_ != AF_INET6) {
isc_throw (BadValue, "PerfmonConfig: family must be AF_INET or AF_INET6");
}
alarm_store_.reset(new AlarmStore(family_));
}
void
PerfMonConfig::parse(data::ConstElementPtr config) {
// Use a local instance to collect values. This way we
// avoid corrupting current values if there are any errors.
PerfMonConfig local(family_);
// Note checkKeywords() will throw DhcpConfigError if there is a problem.
SimpleParser::checkKeywords(CONFIG_KEYWORDS, config);
// Parse members.
ConstElementPtr elem = config->get("enable-monitoring");
if (elem) {
local.setEnableMonitoring(elem->boolValue());
}
elem = config->get("interval-width-secs");
if (elem) {
int64_t value = elem->intValue();
if (value <= 0) {
isc_throw(DhcpConfigError, "invalid interval-width-secs: '"
<< value << "', must be greater than 0");
}
local.setIntervalWidthSecs(value);
}
elem = config->get("stats-mgr-reporting");
if (elem) {
local.setStatsMgrReporting(elem->boolValue());
}
elem = config->get("alarm-report-secs");
if (elem) {
int64_t value = elem->intValue();
if (value < 0) {
isc_throw(DhcpConfigError, "invalid alarm-report-secs: '"
<< value << "', cannot be less than 0");
}
local.setAlarmReportSecs(value);
}
elem = config->get("alarms");
if (elem) {
local.parseAlarms(elem);
}
// All values good, shallow copy from local instance.
*this = local;
}
void
PerfMonConfig::parseAlarms(data::ConstElementPtr config) {
alarm_store_.reset(new AlarmStore(family_));
for (auto const& alarm_elem : config->listValue()) {
try {
AlarmPtr alarm = AlarmParser::parse(alarm_elem, family_);
alarm_store_->addAlarm(alarm);
} catch (const std::exception& ex) {
isc_throw(DhcpConfigError, "cannot add Alarm to store: " << ex.what());
}
}
}
} // end of namespace perfmon
} // end of namespace isc
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