Kea 2.5.9
daemon.h
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1// Copyright (C) 2014-2021 Internet Systems Consortium, Inc. ("ISC")
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7#ifndef DAEMON_H
8#define DAEMON_H
9
10#include <cc/data.h>
11#include <process/config_base.h>
12#include <util/pid_file.h>
14
15#include <boost/noncopyable.hpp>
16#include <boost/date_time/posix_time/posix_time.hpp>
17
18#include <list>
19#include <string>
20
21namespace isc {
22namespace process {
23
25class DaemonPIDExists : public Exception {
26public:
27 DaemonPIDExists(const char* file, size_t line, const char* what) :
28 isc::Exception(file, line, what) { };
29};
30
48class Daemon : public boost::noncopyable {
49
50public:
55 Daemon();
56
61 virtual ~Daemon();
62
71 virtual void cleanup();
72
74 virtual void shutdown();
75
85 static void loggerInit(const char* log_name, bool verbose);
86
97 static void configureLogger(const isc::data::ConstElementPtr& log_config,
98 const isc::process::ConfigPtr& storage);
99
107 static void setVerbose(const bool verbose);
108
112 static bool getVerbose();
113
127 static std::string getVersion(bool extended);
128
131 std::string getConfigFile() const;
132
136 void setConfigFile(const std::string& config_file);
137
140 void checkConfigFile() const;
141
157 virtual size_t
158 writeConfigFile(const std::string& config_file,
160
164 static std::string getProcName();
165
168 static void setProcName(const std::string& proc_name);
169
172 std::string getPIDFileDir() const;
173
177 void setPIDFileDir(const std::string& pid_file_dir);
178
181 std::string getPIDFileName() const;
182
191 void setPIDFileName(const std::string& pid_file_name);
192
204 void createPIDFile(int pid = 0);
205
207 static std::string getDefaultLoggerName() {
208 return (default_logger_name_);
209 }
210
215 static void setDefaultLoggerName(const std::string& logger) {
216 default_logger_name_ = logger;
217 }
218
221 return (exit_value_);
222 }
223
227 void setExitValue(int value) {
228 exit_value_ = value;
229 }
230
239 virtual std::list<std::list<std::string>> jsonPathsToRedact() const;
240
249
250protected:
251
258
260 std::string makePIDFileName() const;
261
263 boost::posix_time::ptime start_;
264
265private:
267 std::string config_file_;
268
270 static std::string proc_name_;
271
274 std::string pid_file_dir_;
275
277 isc::util::PIDFilePtr pid_file_;
278
280 static bool verbose_;
281
283 static std::string default_logger_name_;
284
286 bool am_file_author_;
287
290 int exit_value_;
291};
292
293} // namespace process
294} // namespace isc
295
296#endif
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.
Exception thrown when the PID file points to a live PID.
Definition: daemon.h:25
DaemonPIDExists(const char *file, size_t line, const char *what)
Definition: daemon.h:27
Base class for all services.
Definition: daemon.h:48
std::string getConfigFile() const
Returns config file name.
Definition: daemon.cc:104
virtual size_t writeConfigFile(const std::string &config_file, isc::data::ConstElementPtr cfg=isc::data::ConstElementPtr()) const
Writes current configuration to specified file.
Definition: daemon.cc:228
static std::string getVersion(bool extended)
returns Kea version on stdout and exits.
Definition: daemon.cc:99
static void setVerbose(const bool verbose)
Sets or clears verbose mode.
Definition: daemon.cc:79
std::string getPIDFileName() const
Returns the current PID file name.
Definition: daemon.cc:149
virtual std::list< std::list< std::string > > jsonPathsToRedact() const
Return a list of all paths that contain passwords or secrets.
Definition: daemon.cc:250
Daemon()
Default constructor.
Definition: daemon.cc:41
virtual void shutdown()
Initiates shutdown procedure for the whole server.
Definition: daemon.cc:63
std::string getPIDFileDir() const
Returns the directory used when forming default PID file name.
Definition: daemon.cc:139
virtual ~Daemon()
Destructor.
Definition: daemon.cc:54
isc::asiolink::IOSignalSetPtr signal_set_
A pointer to the object installing custom signal handlers.
Definition: daemon.h:257
static void configureLogger(const isc::data::ConstElementPtr &log_config, const isc::process::ConfigPtr &storage)
Configures logger.
Definition: daemon.cc:66
boost::posix_time::ptime start_
Timestamp of the start of the daemon.
Definition: daemon.h:263
static bool getVerbose()
Returns if running in verbose mode.
Definition: daemon.cc:84
static void loggerInit(const char *log_name, bool verbose)
Initializes logger.
Definition: daemon.cc:88
static std::string getProcName()
returns the process name This value is used as when forming the default PID file name
Definition: daemon.cc:129
void setExitValue(int value)
Sets the exit value.
Definition: daemon.h:227
virtual void cleanup()
Performs final deconfiguration.
Definition: daemon.cc:60
isc::data::ConstElementPtr redactConfig(isc::data::ConstElementPtr const &config)
Redact a configuration.
Definition: daemon.cc:256
void checkConfigFile() const
Checks the configuration file name.
Definition: daemon.cc:114
static void setDefaultLoggerName(const std::string &logger)
Sets the default logger name.
Definition: daemon.h:215
void setPIDFileName(const std::string &pid_file_name)
Sets PID file name.
Definition: daemon.cc:158
static void setProcName(const std::string &proc_name)
Sets the process name.
Definition: daemon.cc:134
int getExitValue()
Fetches the exit value.
Definition: daemon.h:220
void createPIDFile(int pid=0)
Creates the PID file.
Definition: daemon.cc:202
void setPIDFileDir(const std::string &pid_file_dir)
Sets the PID file directory.
Definition: daemon.cc:144
static std::string getDefaultLoggerName()
Returns default logger name.
Definition: daemon.h:207
std::string makePIDFileName() const
Manufacture the pid file name.
Definition: daemon.cc:173
void setConfigFile(const std::string &config_file)
Sets the configuration file name.
Definition: daemon.cc:109
boost::shared_ptr< const Element > ConstElementPtr
Definition: data.h:29
boost::shared_ptr< ConfigBase > ConfigPtr
Non-const pointer to the ConfigBase.
Definition: config_base.h:176
boost::shared_ptr< PIDFile > PIDFilePtr
Defines a shared pointer to a PIDFile.
Definition: pid_file.h:92
Defines the logger used by the top-level component of kea-lfc.