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162 | // Copyright (C) 2013-2024 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 <cc/command_interpreter.h>
#include <dhcp/libdhcp++.h>
#include <process/d_log.h>
#include <process/d_cfg_mgr.h>
#include <process/daemon.h>
#include <process/redact_config.h>
#include <util/encode/encode.h>
#include <boost/lexical_cast.hpp><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <boost/algorithm/string.hpp><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <limits><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <iostream><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <vector><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <map><--- Include file:
using namespace std;
using namespace isc;
using namespace isc::config;
using namespace isc::dhcp;
using namespace isc::data;
using namespace isc::asiolink;
namespace isc {
namespace process {
// *********************** DCfgMgrBase *************************
DCfgMgrBase::DCfgMgrBase(ConfigPtr context) {
setContext(context);
}
DCfgMgrBase::~DCfgMgrBase() {
}
void
DCfgMgrBase::resetContext() {
ConfigPtr context = createNewContext();
setContext(context);
}
void
DCfgMgrBase::setContext(ConfigPtr& context) {<--- Parameter 'context' can be declared as reference to const
if (!context) {
isc_throw(DCfgMgrBaseError, "DCfgMgrBase: context cannot be NULL");
}
context_ = context;
}
ConstElementPtr
DCfgMgrBase::redactConfig(ConstElementPtr const& config) const {
ConstElementPtr result(config);
for (std::list<std::string>& json_path : jsonPathsToRedact()) {<--- Variable 'json_path' can be declared as reference to const
result = isc::process::redactConfig(result, json_path);<--- Consider using std::accumulate algorithm instead of a raw loop.
}
return result;
}
list<list<string>> DCfgMgrBase::jsonPathsToRedact() const {
static list<list<string>> const list;
return list;
}
isc::data::ConstElementPtr
DCfgMgrBase::simpleParseConfig(isc::data::ConstElementPtr config_set,
bool check_only,
const std::function<void()>& post_config_cb) {
if (!config_set) {
return (isc::config::createAnswer(CONTROL_RESULT_ERROR,
std::string("Can't parse NULL config")));
}
LOG_DEBUG(dctl_logger, isc::log::DBGLVL_COMMAND, DCTL_CONFIG_START)
.arg(redactConfig(config_set)->str());
// The parsers implement data inheritance by directly accessing
// configuration context. For this reason the data parsers must store
// the parsed data into context immediately. This may cause data
// inconsistency if the parsing operation fails after the context has been
// modified. We need to preserve the original context here
// so as we can rollback changes when an error occurs.
ConfigPtr original_context = context_;
resetContext();
bool rollback = false;
// Answer will hold the result returned to the caller.
ConstElementPtr answer;
try {
// Logging is common so factor it.
Daemon::configureLogger(config_set, context_);
// Let's call the actual implementation
answer = parse(config_set, check_only);
// and check the response returned.
int code = 0;
isc::config::parseAnswer(code, answer);
// Everything was fine. Configuration set processed successfully.
if (!check_only) {
if (code == 0) {
// Call the callback only when parsing was successful.
if (post_config_cb) {
post_config_cb();
}
LOG_INFO(dctl_logger, DCTL_CONFIG_COMPLETE).arg(getConfigSummary(0));
// Set the last commit timestamp.
auto now = boost::posix_time::second_clock::universal_time();
context_->setLastCommitTime(now);
} else {
rollback = true;
}
// Use the answer provided.
//answer = isc::config::createAnswer(CONTROL_RESULT_SUCCESS, "Configuration committed.");
} else {
LOG_INFO(dctl_logger, DCTL_CONFIG_CHECK_COMPLETE)
.arg(getConfigSummary(0))
.arg(config::answerToText(answer));
}
} catch (const std::exception& ex) {
LOG_ERROR(dctl_logger, DCTL_PARSER_FAIL).arg(ex.what());
answer = isc::config::createAnswer(CONTROL_RESULT_ERROR, ex.what());
rollback = true;
}
if (check_only) {
// If this is a configuration check only, then don't actually apply
// the configuration and reverse to the previous one.
context_ = original_context;
}
if (rollback) {
// An error occurred, so make sure that we restore original context.
context_ = original_context;
}
return (answer);
}
void
DCfgMgrBase::setCfgDefaults(isc::data::ElementPtr) {
}
isc::data::ConstElementPtr
DCfgMgrBase::parse(isc::data::ConstElementPtr, bool) {
isc_throw(DCfgMgrBaseError, "This class does not implement simple parser paradigm yet");
}
} // end of isc::dhcp namespace
} // end of isc namespace
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