24#include <kea_version.h> 
   36namespace ph = std::placeholders;
 
   45    : app_name_(app_name), bin_name_(bin_name),
 
   46      verbose_(false), check_only_(false),
 
 
   59    controller_ = controller;
 
 
   84        return (EXIT_SUCCESS);
 
  106    } 
catch (
const std::exception& ex) {
 
  108            .arg(app_name_).arg(ex.
what());
 
  116                  .arg(bin_name_).arg(ex.
what());
 
  118    } 
catch (
const std::exception& ex) {
 
  120                  .arg(app_name_).arg(ex.
what());
 
  129        .arg(PACKAGE_VERSION_TYPE);
 
  131    if (std::string(PACKAGE_VERSION_TYPE) == 
"development") {
 
  137    } 
catch (
const std::exception& ex) {
 
  139                  .arg(app_name_).arg(ex.
what());
 
  141                  "Application Process initialization failed: " << ex.
what());
 
  152                  .arg(app_name_).arg(comment->stringValue());
 
  154                  << comment->stringValue());
 
  158    start_ = boost::posix_time::second_clock::universal_time();
 
  166    } 
catch (
const std::exception& ex) {
 
  168                  .arg(app_name_).arg(ex.
what());
 
  170                  "Application process event loop failed: " << ex.
what());
 
  175        .arg(app_name_).arg(getpid()).arg(VERSION);
 
 
  186        setenv(
"KEA_LOCKFILE_DIR", 
"none", 0);
 
  193        if (config_file.empty()) {
 
  203            std::cerr << 
"Syntax check OK" << std::endl;
 
  208        module_config = whole_config->get(
getAppName());
 
  209        if (!module_config) {
 
  211                      " does not include '" << 
getAppName() << 
"' entry");
 
  215                      " includes not map '" << 
getAppName() << 
"' entry");
 
  220        if (!errmsg.empty()) {
 
  232                      << answer->stringValue());
 
  238    } 
catch (
const std::exception& ex) {
 
 
  261    ExhaustOptions e(argc, argv, opts);
 
  263    while ((ch = getopt(argc, argv, opts.c_str())) != -1) {
 
  291            if (optarg == NULL) {
 
  307            char const saved_optopt(optopt);
 
  308            std::string 
const saved_optarg(optarg ? optarg : std::string());
 
  312                      (saved_optarg.empty() ? std::string() : 
" " + saved_optarg));
 
  320                char const saved_optopt(optopt);
 
  321                std::string 
const saved_optarg(optarg ? optarg : std::string());
 
  325                          (saved_optarg.empty() ? std::string() : 
" " + saved_optarg));
 
 
  351    } 
catch (
const std::exception& ex) {
 
 
  379        if (config_file.empty()) {
 
  382                                "use -c command line option.");
 
  394        module_config = whole_config->get(
getAppName());
 
  395        if (!module_config) {
 
  397                                " does not include '" <<
 
  402                      " includes not map '" << 
getAppName() << 
"' entry");
 
  407        if (!errmsg.empty()) {
 
  423        storage->applyLoggingCfg();
 
  427        process_->getCfgMgr()->getContext()->applyLoggingCfg();
 
  428    } 
catch (
const std::exception& ex) {
 
  430        process_->getCfgMgr()->getContext()->applyLoggingCfg();
 
  434                 std::string(
"Configuration parsing failed: ") + ex.what());
 
 
  458    return (process_->configure(new_config, 
false));
 
 
  464    return (process_->configure(new_config, 
true));
 
 
  490    std::string filename;
 
  497        if (filename_param) {
 
  500                                     "passed parameter 'filename' " 
  503            filename = filename_param->stringValue();
 
  507    if (filename.empty()) {
 
  511        if (filename.empty()) {
 
  513                                 "Unable to determine filename." 
  514                                 "Please specify filename explicitly."));
 
  520            std::ostringstream msg;
 
  521            msg << 
"not allowed to write config into " << filename
 
  522                << 
": " << ex.
what();
 
  531        ElementPtr cfg = process_->getCfgMgr()->getContext()->toElement();
 
  535                             std::string(
"Error during config-write:")
 
  540                             "Error writing configuration to " + filename));
 
  549                         + filename + 
" successful", params));
 
 
  557    for (
auto const& obj : args->mapValue()) {
 
  558        const std::string& obj_name = obj.first;
 
  559        if (obj_name == app_name) {
 
  563            .arg(
"'" + obj_name + 
"', defining anything in global level besides '" 
  564                 + app_name + 
"' is no longer supported.");
 
  565        if (errmsg.empty()) {
 
  566            errmsg = 
" contains unsupported '" + obj_name + 
"' parameter";
 
  568            errmsg += 
" (and '" + obj_name + 
"')";
 
 
  584        message = 
"Missing mandatory 'arguments' parameter.";
 
  586        module_config = args->get(app_name);
 
  587        if (!module_config) {
 
  588            message = 
"Missing mandatory '" + app_name + 
"' parameter.";
 
  590            message = 
"'" + app_name + 
"' parameter expected to be a map.";
 
  594    if (message.empty()) {
 
  597        if (!errmsg.empty()) {
 
  598            message = 
"'arguments' parameter" + errmsg;
 
  602    if (!message.empty()) {
 
 
  635        message = 
"Missing mandatory 'arguments' parameter.";
 
  637        module_config = args->get(app_name);
 
  638        if (!module_config) {
 
  639            message = 
"Missing mandatory '" + app_name + 
"' parameter.";
 
  641            message = 
"'" + app_name + 
"' parameter expected to be a map.";
 
  645    if (!message.empty()) {
 
  672        storage->applyLoggingCfg();
 
  678        process_->getCfgMgr()->getContext()->applyLoggingCfg();
 
  680    } 
catch (
const std::exception& ex) {
 
  682        process_->getCfgMgr()->getContext()->applyLoggingCfg();
 
  686                 std::string(
"Configuration parsing failed: ") + ex.what());
 
 
  693    const std::string& tag = process_->getCfgMgr()->getContext()->getServerTag();
 
 
  705    auto now = boost::posix_time::second_clock::universal_time();
 
  706    if (!
start_.is_not_a_date_time()) {
 
  707        auto uptime = now - 
start_;
 
  711    auto last_commit = process_->getCfgMgr()->getContext()->getLastCommitTime();
 
  712    if (!last_commit.is_not_a_date_time()) {
 
  713        auto reload = now - last_commit;
 
 
  727    arguments->set(
"extended", extended);
 
 
  744    int exit_value = EXIT_SUCCESS;
 
  755                                     "parameter 'exit-value' is not an integer"));
 
  758            exit_value = param->intValue();
 
 
  769        return (process_->shutdown(args));
 
 
  788    io_signal_set_->add(SIGHUP);
 
  789    io_signal_set_->add(SIGINT);
 
  790    io_signal_set_->add(SIGTERM);
 
 
  804                          .arg(comment->stringValue());
 
 
  829        std::cerr << 
"Usage error: " << text << std::endl;
 
  832    std::cerr << 
"Usage: " << bin_name_ << std::endl
 
  833              << 
"  -v: print version number and exit" << std::endl
 
  834              << 
"  -V: print extended version information and exit" 
  836              << 
"  -W: display the configuration report and exit" 
  838              << 
"  -d: optional, verbose output " << std::endl
 
  839              << 
"  -c <config file name> : mandatory," 
  840              << 
" specify name of configuration file" << std::endl
 
  841              << 
"  -t <config file name> : check the" 
  842              << 
" configuration file and exit" << std::endl
 
  843              << 
"  -X: disables security restrictions" << std::endl;
 
 
  855        if (!names.empty()) {
 
  857            for (
size_t i = 1; i < names.size(); ++i) {
 
  858                msg += std::string(
", ") + names[i];
 
  866    io_signal_set_.reset();
 
 
  877    std::stringstream tmp;
 
  881        tmp << 
" (" << EXTENDED_VERSION << 
")" << std::endl;
 
  882        tmp << 
"premium: " << PREMIUM_EXTENDED_VERSION << std::endl;
 
  883        tmp << 
"linked with:" << std::endl;
 
 
static ElementPtr create(const Position &pos=ZERO_POSITION())
static ElementPtr fromJSONFile(const std::string &file_name, bool preproc=false)
Reads contents of specified file and interprets it as JSON.
static ElementPtr createMap(const Position &pos=ZERO_POSITION())
Creates an empty MapElement type ElementPtr.
A generic exception that is thrown if a parameter given to a method is considered invalid in that con...
This is a base class for exceptions thrown from the DNS library module.
virtual const char * what() const
Returns a C-style character string of the cause of the exception.
void clearIOServices()
Clear the list of IOService objects.
static IOServiceMgr & instance()
Access the IOServiceMgr singleton instance.
The IOService class is a wrapper for the ASIO io_context class.
Implements an asynchronous "signal" for IOService driven processing.
static std::string getHash(const isc::data::ConstElementPtr &config)
returns a hash of a given Element structure
static std::string getVersion()
Get version string.
static std::vector< std::string > getLibraryNames()
Return list of loaded libraries.
static bool unloadLibraries()
Unload libraries.
static void prepareUnloadLibraries()
Prepare the unloading of libraries.
static std::string getVersion()
Version.
Base class for all configurations.
Exception thrown when the controller encounters an operational error.
isc::data::ConstElementPtr configReloadHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-reload command
isc::data::ConstElementPtr buildReportHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for 'build-report' command
void runProcess()
Invokes the application process's event loop,(DBaseProcess::run).
void initProcess()
Instantiates the application process and then initializes it.
isc::data::ConstElementPtr statusGetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for status-get command
void usage(const std::string &text)
Prints the program usage text to std error.
asiolink::IOServicePtr & getIOService()
Getter for fetching the controller's IOService.
isc::data::ConstElementPtr shutdownProcess(isc::data::ConstElementPtr args)
Initiates shutdown procedure.
virtual const std::string getCustomOpts() const
Virtual method which returns a string containing the option letters for any custom command line optio...
virtual void processSignal(int signum)
Application-level signal processing method.
virtual ~DControllerBase()
Destructor.
isc::data::ConstElementPtr configWriteHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-write command
static void setController(const DControllerBasePtr &controller)
Static setter which sets the singleton instance.
std::string handleOtherObjects(isc::data::ConstElementPtr args)
Deals with other (i.e.
isc::data::ConstElementPtr versionGetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for version-get command
isc::data::ConstElementPtr configSetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-set command
void initSignalHandling()
Initializes signal handling.
virtual const std::string getUsageText() const
Virtual method which can be used to contribute derivation specific usage text.
virtual isc::data::ConstElementPtr checkConfig(isc::data::ConstElementPtr new_config)
Instance method invoked by the configuration event handler and which processes the actual configurati...
virtual DProcessBase * createProcess()=0
Abstract method that is responsible for instantiating the application process object.
bool isCheckOnly() const
Supplies whether or not check only mode is enabled.
isc::data::ConstElementPtr configGetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-get command
virtual int launch(int argc, char *argv[], const bool test_mode)
Acts as the primary entry point into the controller execution and provides the outermost application ...
void parseArgs(int argc, char *argv[])
Processes the command line arguments.
virtual bool customOption(int option, char *optarg)
Virtual method that provides derivations the opportunity to support additional command line options.
isc::data::ConstElementPtr configHashGetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-hash-get command
isc::data::ConstElementPtr configTestHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for config-test command
isc::data::ConstElementPtr serverTagGetHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for server-tag-get command
std::string getAppName() const
Fetches the name of the application under control.
virtual isc::data::ConstElementPtr parseFile(const std::string &file_name)
Parse a given file into Elements.
virtual isc::data::ConstElementPtr configFromFile()
Reconfigures the process from a configuration file.
std::string getVersion(bool extended)
returns Kea version on stdout and exit.
DControllerBase(const char *app_name, const char *bin_name)
Constructor.
virtual isc::data::ConstElementPtr updateConfig(isc::data::ConstElementPtr new_config)
Instance method invoked by the configuration event handler and which processes the actual configurati...
void checkConfigOnly()
Check the configuration.
isc::data::ConstElementPtr shutdownHandler(const std::string &command, isc::data::ConstElementPtr args)
handler for 'shutdown' command
Exception thrown when the PID file points to a live PID.
std::string getConfigFile() const
Returns config file name.
virtual size_t writeConfigFile(const std::string &config_file, isc::data::ConstElementPtr cfg=isc::data::ConstElementPtr()) const
Writes current configuration to specified file.
static void setVerbose(const bool verbose)
Sets or clears verbose mode.
static void configureLogger(const isc::data::ConstElementPtr &log_config, const isc::process::ConfigPtr &storage)
Configures logger.
boost::posix_time::ptime start_
Timestamp of the start of the daemon.
static void loggerInit(const char *log_name, bool verbose)
Initializes logger.
void checkWriteConfigFile(std::string &file)
Checks the to-be-written configuration file name.
void setExitValue(int value)
Sets the exit value.
void checkConfigFile() const
Checks the configuration file name.
static void setDefaultLoggerName(const std::string &logger)
Sets the default logger name.
static void setProcName(const std::string &proc_name)
Sets the process name.
int getExitValue()
Fetches the exit value.
void createPIDFile(int pid=0)
Creates the PID file.
void setConfigFile(const std::string &config_file)
Sets the configuration file name.
Exception thrown when the command line is invalid.
Exception thrown when the controller launch fails.
Exception thrown when the application process fails.
Exception thrown when the application process encounters an operation in its event loop (i....
Exception used to convey version info upwards.
static void enableEnforcement(bool enable)
Enables or disables security enforcment checks.
This file contains several functions and constants that are used for handling commands and responses ...
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
Logging initialization functions.
#define LOG_ERROR(LOGGER, MESSAGE)
Macro to conveniently test error output and log it.
#define LOG_INFO(LOGGER, MESSAGE)
Macro to conveniently test info output and log it.
#define LOG_WARN(LOGGER, MESSAGE)
Macro to conveniently test warn output and log it.
#define LOG_FATAL(LOGGER, MESSAGE)
Macro to conveniently test fatal output and log it.
#define LOG_DEBUG(LOGGER, LEVEL, MESSAGE)
Macro to conveniently test debug output and log it.
A wrapper interface for the ASIO library.
ConstElementPtr parseAnswer(int &rcode, const ConstElementPtr &msg)
Parses a standard config/command level answer and returns arguments or text status code.
const int CONTROL_RESULT_ERROR
Status code indicating a general failure.
ConstElementPtr createAnswer()
Creates a standard config/command level success answer message (i.e.
const int CONTROL_RESULT_SUCCESS
Status code indicating a successful operation.
boost::shared_ptr< const Element > ConstElementPtr
boost::shared_ptr< Element > ElementPtr
std::string getConfigReport()
const int DBGLVL_START_SHUT
This is given a value of 0 as that is the level selected if debugging is enabled without giving a lev...
isc::log::Logger dctl_logger("dctl")
Defines the logger used within libkea-process library.
const isc::log::MessageID DCTL_DEVELOPMENT_VERSION
const isc::log::MessageID DCTL_SHUTDOWN
const isc::log::MessageID DCTL_CFG_FILE_RELOAD_ERROR
const isc::log::MessageID DCTL_CFG_FILE_RELOAD_SIGNAL_RECVD
const isc::log::MessageID DCTL_RUN_PROCESS
const isc::log::MessageID DCTL_STANDALONE
const isc::log::MessageID DCTL_PID_FILE_ERROR
boost::shared_ptr< ConfigBase > ConfigPtr
Non-const pointer to the ConfigBase.
boost::shared_ptr< DControllerBase > DControllerBasePtr
const isc::log::MessageID DCTL_UNLOAD_LIBRARIES_ERROR
const isc::log::MessageID DCTL_STARTING
const isc::log::MessageID DCTL_PROCESS_FAILED
const isc::log::MessageID DCTL_SHUTDOWN_SIGNAL_RECVD
const isc::log::MessageID DCTL_INIT_PROCESS_FAIL
const isc::log::MessageID DCTL_ALREADY_RUNNING
const isc::log::MessageID DCTL_NOT_RUNNING
const isc::log::MessageID DCTL_CONFIG_FILE_LOAD_FAIL
const isc::log::MessageID DCTL_CONFIG_DEPRECATED
const isc::log::MessageID DCTL_UNSUPPORTED_SIGNAL
const isc::log::MessageID DCTL_INIT_PROCESS
Defines the logger used by the top-level component of kea-lfc.