Package Products :: Package ZenUtils :: Module ZenDaemon :: Class ZenDaemon

Class ZenDaemon

     object --+    
              |    
CmdBase.CmdBase --+
                  |
                 ZenDaemon

Known Subclasses:

Base class for creating daemons

Instance Methods

[hide private]

__init__(self, noopts=0, keeproot=False)
Initializer that takes care of basic daemon options.

source code

convertSocketOption(self, optString)
Given a socket option string (eg 'so_rcvbufforce=1') convert to a C-friendly command-line option for passing to zensocket.

source code

openPrivilegedPort(self, *address)
Execute under zensocket, providing the args to zensocket

source code

writePidFile(self)
Write the PID file to disk

source code

logname(self)

source code

setupLogging(self)
Create formating for log entries and set default log level

source code

sighandler_USR1(self, signum, frame)
Switch to debug level if signaled by the user, and to default when signaled again.

source code

_sigUSR1_called(self, signum, frame)

source code

changeUser(self)
Switch identity to the appropriate Unix user

source code

becomeDaemon(self)
Code below comes from the excellent recipe by Chad J.

source code

sigTerm(self, signum=None, frame=None)
Signal handler for the SIGTERM signal.

source code

integer

watchdogCycleTime(self)
Return our cycle time (in minutes)

source code

integer

watchdogStartTimeout(self)
Return our watchdog start timeout (in minutes)

source code

integer

watchdogMaxRestartTime(self)
Return our watchdog max restart time (in minutes)

source code

becomeWatchdog(self)
Watch the specified daemon and restart it if necessary.

source code

niceDoggie(self, timeout)

source code

buildOptions(self)
Standard set of command-line options.

source code

Inherited from CmdBase.CmdBase: buildParser, checkLogpath, generate_configs, generate_xml_configs, generate_xml_table, getConfigFileDefaults, getGlobalConfigFileDefaults, getParamatersFromConfig, loadConfigFile, parseOptions, pretty_print_config_comment, validateConfigFile

Class Variables

[hide private]

pidfile = None

Inherited from CmdBase.CmdBase: doesLogging

Method Details

[hide private]

init(self, noopts=0, keeproot=False)
(Constructor)

source code

Initializer that takes care of basic daemon options. Creates a PID file.

Overrides: CmdBase.CmdBase.__init__

logname(self)

source code

Decorators:

@property

setupLogging(self)

source code

Create formating for log entries and set default log level

Overrides: CmdBase.CmdBase.setupLogging

becomeDaemon(self)

source code

Code below comes from the excellent recipe by Chad J. Schroeder.

watchdogCycleTime(self)

source code

Return our cycle time (in minutes)

Returns: integer: cycle time

watchdogStartTimeout(self)

source code

Return our watchdog start timeout (in minutes)

Returns: integer: start timeout

watchdogMaxRestartTime(self)

source code

Return our watchdog max restart time (in minutes)

Returns: integer: maximum restart time

buildOptions(self)

source code

Standard set of command-line options.

Overrides: CmdBase.CmdBase.buildOptions

Class ZenDaemon

__init__(self, noopts=0, keeproot=False) (Constructor)

logname(self)

setupLogging(self)

becomeDaemon(self)

watchdogCycleTime(self)

watchdogStartTimeout(self)

watchdogMaxRestartTime(self)

buildOptions(self)

init(self, noopts=0, keeproot=False)
(Constructor)