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Diffstat (limited to '')
| -rw-r--r-- | src/bin/netconf/netconf.cc | 797 |
1 files changed, 797 insertions, 0 deletions
diff --git a/src/bin/netconf/netconf.cc b/src/bin/netconf/netconf.cc new file mode 100644 index 0000000..42b6d3e --- /dev/null +++ b/src/bin/netconf/netconf.cc @@ -0,0 +1,797 @@ +// Copyright (C) 2018-2022 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/. + +/// @file netconf.cc +/// Contains the Netconf agent methods. + +#include <config.h> + +#include <netconf/netconf.h> +#include <netconf/netconf_controller.h> +#include <netconf/netconf_log.h> +#include <cc/command_interpreter.h> +#include <yang/translator_config.h> +#include <yang/yang_revisions.h> + +#include <boost/algorithm/string.hpp> + +#include <sstream> + +using namespace std; +using namespace isc::config; +using namespace isc::data; +using namespace isc::netconf; +using namespace isc::yang; +using namespace sysrepo; + +using libyang::S_Context; +using libyang::S_Module; + +namespace { + +/// @brief Module change subscription callback. +class NetconfAgentCallback { +public: + /// @brief Constructor. + /// + /// @param service_pair The service name and configuration pair. + NetconfAgentCallback(const CfgServersMapPair& service_pair) + : service_pair_(service_pair) { + } + + /// @brief Server name and configuration pair. + CfgServersMapPair const service_pair_; + + /// @brief Module configuration change callback. + /// + /// This callback is called by sysrepo when there is a change to + /// module configuration. + /// + /// @param sess The running datastore session. + /// @param module_name The module name. + /// @param event The event. + /// @param private_ctx The private context. + /// @return the sysrepo return code. + sr_error_t module_change(S_Session sess, + const char* module_name, + const char* /* xpath */, + sr_event_t event, + void* /* private_ctx */) { + ostringstream event_type; + switch (event) { + case SR_EV_UPDATE: + // This could potentially be a hook point for mid-flight + // configuration changes. + event_type << "SR_EV_UPDATE"; + break; + case SR_EV_CHANGE: + event_type << "SR_EV_CHANGE"; + break; + case SR_EV_DONE: + event_type << "SR_EV_DONE"; + break; + case SR_EV_ABORT: + event_type << "SR_EV_ABORT"; + break; + case SR_EV_ENABLED: + event_type << "SR_EV_ENABLED"; + break; + case SR_EV_RPC: + event_type << "SR_EV_RPC"; + break; + default: + event_type << "UNKNOWN (" << event << ")"; + break; + } + LOG_INFO(netconf_logger, NETCONF_CONFIG_CHANGE_EVENT) + .arg(event_type.str()); + NetconfAgent::logChanges(sess, module_name); + switch (event) { + case SR_EV_CHANGE: + return (NetconfAgent::change(sess, service_pair_)); + case SR_EV_DONE: + return (NetconfAgent::done(sess, service_pair_)); + default: + return (SR_ERR_OK); + } + } + + void event_notif(sysrepo::S_Session /* session */, + sr_ev_notif_type_t const notification_type, + char const* /* path */, + sysrepo::S_Vals const vals, + time_t /* timestamp */, + void* /* private_data */) { + string n; + switch (notification_type) { + case SR_EV_NOTIF_REALTIME: + n = "SR_EV_NOTIF_REALTIME"; + break; + case SR_EV_NOTIF_REPLAY: + n = "SR_EV_NOTIF_REPLAY"; + break; + case SR_EV_NOTIF_REPLAY_COMPLETE: + n = "SR_EV_NOTIF_REPLAY_COMPLETE"; + break; + case SR_EV_NOTIF_STOP: + n = "SR_EV_NOTIF_STOP"; + break; + case SR_EV_NOTIF_SUSPENDED: + n = "SR_EV_NOTIF_SUSPENDED"; + break; + case SR_EV_NOTIF_RESUMED: + n = "SR_EV_NOTIF_RESUMED"; + break; + } + + stringstream s; + for (size_t i(0); i < vals->val_cnt(); ++i) { + if (i != 0) { + s << ", "; + } + s << vals->val(i)->to_string(); + } + + LOG_INFO(netconf_logger, NETCONF_NOTIFICATION_RECEIVED) + .arg(n) + .arg(service_pair_.first) + .arg(s.str()); + } +}; + +} // end of anonymous namespace + +namespace isc { +namespace netconf { + +NetconfAgent::~NetconfAgent() { + clear(); +} + +void +NetconfAgent::init(NetconfCfgMgrPtr cfg_mgr) { + // Check for a configuration manager. + if (!cfg_mgr) { + isc_throw(Unexpected, "missing configuration manager"); + return; + } + + // Retrieve configuration from existing running DHCP daemons. + const CfgServersMapPtr& servers = + cfg_mgr->getNetconfConfig()->getCfgServersMap(); + for (auto const& pair : *servers) { + keaConfig(pair); + } + + // Initialize sysrepo. + initSysrepo(); + + // Check modules / revisions. + checkModules(servers); + + for (auto const& pair : *servers) { + yangConfig(pair); + subscribeConfig(pair); + subscribeToNotifications(pair); + } +} + +void +NetconfAgent::clear() { + for (auto subs : subscriptions_) { + subs.second.reset(); + } + subscriptions_.clear(); + running_sess_.reset(); + startup_sess_.reset(); + conn_.reset(); +} + +void +NetconfAgent::keaConfig(const CfgServersMapPair& service_pair) { + // If the boot-update flag is not set. + if (!service_pair.second->getBootUpdate()) { + return; + } + CfgControlSocketPtr ctrl_sock = service_pair.second->getCfgControlSocket(); + if (!ctrl_sock) { + return; + } + ControlSocketBasePtr comm; + try { + comm = controlSocketFactory(ctrl_sock); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "createControlSocket failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_GET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + ConstElementPtr answer; + int rcode; + ConstElementPtr config; + LOG_INFO(netconf_logger, NETCONF_GET_CONFIG_STARTED) + .arg(service_pair.first); + try { + answer = comm->configGet(service_pair.first); + config = parseAnswer(rcode, answer); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "config-get command failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_GET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + if (rcode != CONTROL_RESULT_SUCCESS) { + ostringstream msg; + msg << "config-get command returned " << answerToText(answer); + LOG_ERROR(netconf_logger, NETCONF_GET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + if (!config) { + LOG_ERROR(netconf_logger, NETCONF_GET_CONFIG_FAILED) + .arg(service_pair.first) + .arg("config-get command returned an empty configuration"); + return; + } + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_GET_CONFIG) + .arg(service_pair.first) + .arg(prettyPrint(config)); +} + +void +NetconfAgent::initSysrepo() { + try { + conn_ = make_shared<Connection>(); + } catch (const std::exception& ex) { + isc_throw(Unexpected, "Can't connect to sysrepo: " << ex.what()); + } + + try { + startup_sess_.reset(new Session(conn_, SR_DS_STARTUP)); + running_sess_.reset(new Session(conn_, SR_DS_RUNNING)); + } catch (const std::exception& ex) { + isc_throw(Unexpected, "Can't establish a sysrepo session: " + << ex.what()); + } + + // Retrieve names and revisions of installed modules from sysrepo. + getModules(); +} + +void NetconfAgent::getModules() { + vector<S_Module> modules; + try { + S_Context context(running_sess_->get_context()); + modules = context->get_module_iter(); + } catch (const sysrepo_exception& ex) { + isc_throw(Unexpected, "can't retrieve available modules: " << ex.what()); + } + + for (S_Module const& module : modules) { + if (!module->name()) { + isc_throw(Unexpected, "could not retrieve module name"); + } + string const name(module->name()); + if (!module->rev() || !module->rev()->date()) { + isc_throw(Unexpected, + "could not retrieve module revision for module " << name); + } + string const revision(module->rev()->date()); + modules_.emplace(name, revision); + } +} + +bool +NetconfAgent::checkModule(const string& module_name) const { + auto module = modules_.find(module_name); + if (module == modules_.end()) { + LOG_ERROR(netconf_logger, NETCONF_MODULE_MISSING_ERR) + .arg(module_name); + return (false); + } + auto modrev = YANG_REVISIONS.find(module_name); + if (modrev == YANG_REVISIONS.end()) { + // Can't check revision?! + // It can happen only with a module which is not in + // YANG_REVISIONS but installed so likely on purpose. + return (true); + } + if (modrev->second != module->second) { + LOG_ERROR(netconf_logger, NETCONF_MODULE_REVISION_ERR) + .arg(module_name) + .arg(modrev->second) + .arg(module->second); + return (false); + } + return (true); +} + +void +NetconfAgent::checkModules(CfgServersMapPtr const& servers /* = {} */) const { + bool faulty_model(false); + if (servers) { + for (auto pair : *servers) { + if (!checkModule(pair.second->getModel())) { + faulty_model = true; + } + } + } + + if (faulty_model) { + isc_throw(Unexpected, "YANG module is missing or its revision is not " + "supported. Check logs for details."); + } + + for (auto modrev : YANG_REVISIONS) { + auto module = modules_.find(modrev.first); + if (module == modules_.end()) { + LOG_WARN(netconf_logger, NETCONF_MODULE_MISSING_WARN) + .arg(modrev.first); + continue; + } + if (modrev.second != module->second) { + LOG_WARN(netconf_logger, NETCONF_MODULE_REVISION_WARN) + .arg(modrev.first) + .arg(modrev.second) + .arg(module->second); + } + } +} + +void +NetconfAgent::yangConfig(const CfgServersMapPair& service_pair) { + // If we're shutting down, or the boot-update flag is not set or the model + // associated with it is not specified. + if (!service_pair.second->getBootUpdate() || + service_pair.second->getModel().empty()) { + return; + } + + // First we need a way to reach the actual servers. + CfgControlSocketPtr ctrl_sock = service_pair.second->getCfgControlSocket(); + if (!ctrl_sock) { + return; + } + + LOG_INFO(netconf_logger, NETCONF_SET_CONFIG_STARTED) + .arg(service_pair.first); + ConstElementPtr config; + try { + // Retrieve configuration from Sysrepo. + TranslatorConfig tc(startup_sess_, service_pair.second->getModel()); + config = tc.getConfig(); + if (!config) { + ostringstream msg; + msg << "YANG configuration for " + << service_pair.second->getModel() + << " is empty"; + LOG_ERROR(netconf_logger, NETCONF_SET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } else { + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_SET_CONFIG) + .arg(service_pair.first) + .arg(prettyPrint(config)); + } + } catch (const std::exception& ex) { + ostringstream msg; + msg << "get YANG configuration for " << service_pair.first + << " failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_SET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + ControlSocketBasePtr comm; + try { + comm = controlSocketFactory(ctrl_sock); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "control socket creation failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_SET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + ConstElementPtr answer; + int rcode; + try { + answer = comm->configSet(config, service_pair.first); + parseAnswer(rcode, answer); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "config-set command failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_SET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + if (rcode != CONTROL_RESULT_SUCCESS) { + ostringstream msg; + msg << "config-set command returned " << answerToText(answer); + LOG_ERROR(netconf_logger, NETCONF_SET_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return; + } + LOG_INFO(netconf_logger, NETCONF_BOOT_UPDATE_COMPLETED) + .arg(service_pair.first); +} + +void +NetconfAgent::subscribeConfig(const CfgServersMapPair& service_pair) { + std::string const& model(service_pair.second->getModel()); + + // If we're shutting down, or the subscribe-changes flag is not set or + // the model associated with it is not specified. + if (!service_pair.second->getSubscribeChanges() || + model.empty()) { + return; + } + LOG_INFO(netconf_logger, NETCONF_SUBSCRIBE_CONFIG) + .arg(service_pair.first) + .arg(model); + S_Subscribe subs(new Subscribe(running_sess_)); + auto callback = [=](sysrepo::S_Session sess, const char* module_name, + const char* xpath, sr_event_t event, + uint32_t /* request_id */) { + NetconfAgentCallback agent(service_pair); + return agent.module_change(sess, module_name, xpath, event, nullptr); + }; + try { + sr_subscr_options_t options = SR_SUBSCR_DEFAULT; + if (!service_pair.second->getValidateChanges()) { + options |= SR_SUBSCR_DONE_ONLY; + } + // Note the API stores the module name so do not put it + // in a short lifetime variable! + subs->module_change_subscribe(model.c_str(), callback, nullptr, 0, + options); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "module change subscribe failed with " << ex.what(); + msg << "change subscription for model " << model << + " failed with: " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_SUBSCRIBE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(service_pair.second->getModel()) + .arg(msg.str()); + return; + } + subscriptions_.insert(make_pair(service_pair.first, subs)); +} + + +void +NetconfAgent::subscribeToNotifications(const CfgServersMapPair& service_pair) { + std::string const& model(service_pair.second->getModel()); + // If we're shutting down, or the subscribe-changes flag is not set or + // the model associated with it is not specified. + if (!service_pair.second->getSubscribeNotifications() || + model.empty()) { + return; + } + LOG_INFO(netconf_logger, NETCONF_SUBSCRIBE_NOTIFICATIONS) + .arg(service_pair.first) + .arg(model); + + S_Subscribe subscription(std::make_shared<Subscribe>(running_sess_)); + auto callback = [=](sysrepo::S_Session session, + sr_ev_notif_type_t const notification_type, + char const* path, + sysrepo::S_Vals const vals, + time_t timestamp) { + NetconfAgentCallback agent(service_pair); + return agent.event_notif(session, notification_type, path, vals, timestamp, nullptr); + }; + try { + subscription->event_notif_subscribe(model.c_str(), callback); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "event notification subscription for model " << model << + " failed with: " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_SUBSCRIBE_NOTIFICATIONS_FAILED) + .arg(service_pair.first) + .arg(service_pair.second->getModel()) + .arg(msg.str()); + return; + } + subscriptions_.emplace(service_pair.first, subscription); +} + +sr_error_t +NetconfAgent::change(S_Session sess, const CfgServersMapPair& service_pair) { + // If we're shutting down, or the subscribe-changes or the + // validate-changes flag is not set or the model associated with + // it is not specified. + if (!service_pair.second->getSubscribeChanges() || + !service_pair.second->getValidateChanges() || + service_pair.second->getModel().empty()) { + return (SR_ERR_OK); + } + CfgControlSocketPtr ctrl_sock = service_pair.second->getCfgControlSocket(); + if (!ctrl_sock) { + return (SR_ERR_OK); + } + LOG_INFO(netconf_logger, NETCONF_VALIDATE_CONFIG_STARTED) + .arg(service_pair.first); + ConstElementPtr config; + try { + TranslatorConfig tc(sess, service_pair.second->getModel()); + config = tc.getConfig(); + if (!config) { + ostringstream msg; + msg << "YANG configuration for " + << service_pair.second->getModel() + << " is empty"; + LOG_ERROR(netconf_logger, NETCONF_VALIDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_OPERATION_FAILED); + } else { + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_VALIDATE_CONFIG) + .arg(service_pair.first) + .arg(prettyPrint(config)); + } + } catch (const std::exception& ex) { + ostringstream msg; + msg << "get YANG configuration for " << service_pair.first + << " failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_VALIDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED);; + } + ControlSocketBasePtr comm; + try { + comm = controlSocketFactory(ctrl_sock); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "createControlSocket failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_VALIDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_OK); + } + ConstElementPtr answer; + int rcode; + try { + answer = comm->configTest(config, service_pair.first); + parseAnswer(rcode, answer); + } catch (const std::exception& ex) { + stringstream msg; + msg << "configTest failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_VALIDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } + if (rcode != CONTROL_RESULT_SUCCESS) { + stringstream msg; + msg << "configTest returned " << answerToText(answer); + LOG_ERROR(netconf_logger, NETCONF_VALIDATE_CONFIG_REJECTED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } + LOG_INFO(netconf_logger, NETCONF_VALIDATE_CONFIG_COMPLETED) + .arg(service_pair.first); + return (SR_ERR_OK); +} + +sr_error_t +NetconfAgent::done(S_Session sess, const CfgServersMapPair& service_pair) { + // Check if we should and can process this update. + if (!service_pair.second->getSubscribeChanges() || + service_pair.second->getModel().empty()) { + return (SR_ERR_OK); + } + CfgControlSocketPtr ctrl_sock = service_pair.second->getCfgControlSocket(); + if (!ctrl_sock) { + return (SR_ERR_OK); + } + + // All looks good, let's get started. Print an info that we're about + // to update the configuration. + LOG_INFO(netconf_logger, NETCONF_UPDATE_CONFIG_STARTED) + .arg(service_pair.first); + + // Retrieve the configuration from SYSREPO first. + ConstElementPtr config; + try { + TranslatorConfig tc(sess, service_pair.second->getModel()); + config = tc.getConfig(); + if (!config) { + ostringstream msg; + msg << "YANG configuration for " + << service_pair.second->getModel() + << " is empty"; + LOG_ERROR(netconf_logger, NETCONF_UPDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } else { + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_UPDATE_CONFIG) + .arg(service_pair.first) + .arg(prettyPrint(config)); + } + } catch (const std::exception& ex) { + ostringstream msg; + msg << "get YANG configuration for " << service_pair.first + << " failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_UPDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } + + // Ok, now open the control socket. We need this to send the config to + // the server. + ControlSocketBasePtr comm; + try { + comm = controlSocketFactory(ctrl_sock); + } catch (const std::exception& ex) { + ostringstream msg; + msg << "createControlSocket failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_UPDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_OK); + } + + // Now apply the config using config-set command. + ConstElementPtr answer; + int rcode; + try { + answer = comm->configSet(config, service_pair.first); + parseAnswer(rcode, answer); + } catch (const std::exception& ex) { + stringstream msg; + msg << "configSet failed with " << ex.what(); + LOG_ERROR(netconf_logger, NETCONF_UPDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } + + // rcode == CONTROL_RESULT_SUCCESS, unless the docs say otherwise :). + if (rcode != CONTROL_RESULT_SUCCESS) { + stringstream msg; + msg << "configSet returned " << answerToText(answer); + LOG_ERROR(netconf_logger, NETCONF_UPDATE_CONFIG_FAILED) + .arg(service_pair.first) + .arg(msg.str()); + return (SR_ERR_VALIDATION_FAILED); + } + LOG_INFO(netconf_logger, NETCONF_UPDATE_CONFIG_COMPLETED) + .arg(service_pair.first); + return (SR_ERR_OK); +} + +void +NetconfAgent::logChanges(S_Session sess, const string& model) { + ostringstream stream; + stream << "/" << model << ":*//."; + std::string const xpath(stream.str()); + S_Iter_Change iter = sess->get_changes_iter(xpath.c_str()); + if (!iter) { + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg("no iterator"); + return; + } + for (;;) { + S_Change change; + ostringstream msg; + try { + change = sess->get_change_next(iter); + } catch (const sysrepo_exception& ex) { + msg << "get change iterator next failed: " << ex.what(); + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg(msg.str()); + return; + } + if (!change) { + // End of changes, not an error. + return; + } + S_Val new_val = change->new_val(); + S_Val old_val = change->old_val(); + string report; + switch (change->oper()) { + case SR_OP_CREATED: + if (!new_val) { + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg("created but without a new value"); + break; + } + msg << "created: " << new_val->to_string(); + report = msg.str(); + boost::erase_all(report, "\n"); + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_CONFIG_CHANGED_DETAIL) + .arg(report); + break; + case SR_OP_MODIFIED: + if (!old_val || !new_val) { + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg("modified but without an old or new value"); + break; + } + msg << "modified: " << old_val->to_string() + << " => " << new_val->to_string(); + report = msg.str(); + boost::erase_all(report, "\n"); + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_CONFIG_CHANGED_DETAIL) + .arg(report); + break; + case SR_OP_DELETED: + if (!old_val) { + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg("deleted but without an old value"); + break; + } + msg << "deleted: " << old_val->to_string(); + report = msg.str(); + boost::erase_all(report, "\n"); + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_CONFIG_CHANGED_DETAIL) + .arg(report); + break; + case SR_OP_MOVED: + if (!new_val) { + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg("moved but without a new value"); + break; + } + msg << "moved: " << new_val->xpath(); + if (!old_val) { + msg << " first"; + } else { + msg << " after " << old_val->xpath(); + } + report = msg.str(); + boost::erase_all(report, "\n"); + LOG_DEBUG(netconf_logger, NETCONF_DBG_TRACE_DETAIL_DATA, + NETCONF_CONFIG_CHANGED_DETAIL) + .arg(report); + break; + default: + msg << "unknown operation (" << change->oper() << ")"; + LOG_WARN(netconf_logger, NETCONF_LOG_CHANGE_FAIL) + .arg(msg.str()); + } + } +} + +void +NetconfAgent::announceShutdown() const { + isc::process::DControllerBasePtr& controller(NetconfController::instance()); + if (controller) { + boost::dynamic_pointer_cast<NetconfController>(controller) + ->getNetconfProcess() + ->setShutdownFlag(true); + } +} + +bool NetconfAgent::shouldShutdown() const { + return boost::dynamic_pointer_cast<NetconfController>(NetconfController::instance()) + ->getNetconfProcess() + ->shouldShutdown(); +} + +} // namespace netconf +} // namespace isc |