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// Copyright (C) 2014 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <dhcpsrv/cfgmgr.h>
#include <dhcpsrv/srv_config.h>
#include <log/logger_manager.h>
#include <log/logger_specification.h>
#include <list>
#include <sstream>
using namespace isc::log;
namespace isc {
namespace dhcp {
SrvConfig::SrvConfig()
: sequence_(0), cfg_option_def_(new CfgOptionDef()) {
}
SrvConfig::SrvConfig(uint32_t sequence)
: sequence_(sequence), cfg_option_def_(new CfgOptionDef()) {
}
std::string
SrvConfig::getConfigSummary(const uint32_t selection) const {
std::ostringstream s;
size_t subnets_num;
if ((selection & CFGSEL_SUBNET4) == CFGSEL_SUBNET4) {
subnets_num = CfgMgr::instance().getSubnets4()->size();
if (subnets_num > 0) {
s << "added IPv4 subnets: " << subnets_num;
} else {
s << "no IPv4 subnets!";
}
s << "; ";
}
if ((selection & CFGSEL_SUBNET6) == CFGSEL_SUBNET6) {
subnets_num = CfgMgr::instance().getSubnets6()->size();
if (subnets_num > 0) {
s << "added IPv6 subnets: " << subnets_num;
} else {
s << "no IPv6 subnets!";
}
s << "; ";
}
if ((selection & CFGSEL_DDNS) == CFGSEL_DDNS) {
bool ddns_enabled = CfgMgr::instance().ddnsEnabled();
s << "DDNS: " << (ddns_enabled ? "enabled" : "disabled") << "; ";
}
if (s.tellp() == static_cast<std::streampos>(0)) {
s << "no config details available";
}
std::string summary = s.str();
size_t last_separator_pos = summary.find_last_of(";");
if (last_separator_pos == summary.length() - 2) {
summary.erase(last_separator_pos);
}
return (summary);
}
bool
SrvConfig::sequenceEquals(const SrvConfig& other) {
return (getSequence() == other.getSequence());
}
void
SrvConfig::copy(SrvConfig& new_config) const {
// We will entirely replace loggers in the new configuration.
new_config.logging_info_.clear();
for (LoggingInfoStorage::const_iterator it = logging_info_.begin();
it != logging_info_.end(); ++it) {
new_config.addLoggingInfo(*it);
}
// Replace interface configuration.
new_config.setCfgIface(cfg_iface_);
// Replace option definitions.
cfg_option_def_->copyTo(*new_config.cfg_option_def_);
}
void
SrvConfig::applyLoggingCfg() const {
std::list<LoggerSpecification> specs;
for (LoggingInfoStorage::const_iterator it = logging_info_.begin();
it != logging_info_.end(); ++it) {
specs.push_back(it->toSpec());
}
LoggerManager manager;
manager.process(specs.begin(), specs.end());
}
bool
SrvConfig::equals(const SrvConfig& other) const {
// If number of loggers is different, then configurations aren't equal.
if (logging_info_.size() != other.logging_info_.size()) {
return (false);
}
// Pass through all loggers and try to find the match for each of them
// with the loggers from the other configuration. The order doesn't
// matter so we can't simply compare the vectors.
for (LoggingInfoStorage::const_iterator this_it =
logging_info_.begin(); this_it != logging_info_.end();
++this_it) {
bool match = false;
for (LoggingInfoStorage::const_iterator other_it =
other.logging_info_.begin();
other_it != other.logging_info_.end(); ++other_it) {
if (this_it->equals(*other_it)) {
match = true;
break;
}
}
// No match found for the particular logger so return false.
if (!match) {
return (false);
}
}
// Logging information is equal between objects, so check other values.
return ((cfg_iface_ == other.cfg_iface_) &&
(*cfg_option_def_ == *other.cfg_option_def_));
}
}
}
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