Package Products :: Package ZenUtils :: Module ZenDaemon :: Class ZenDaemon |
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# Class ZenDaemon

source code

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

Known Subclasses:
  - ZeoPoolBase.ZeoPoolBase
  - , ZenHub.PBDaemon.PBDaemon
  - , ZCmdBase.ZCmdBase

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
openPrivilegedPort(self, *address) Execute under zensocket, providing the args to zensocket | source code
writePidFile(self) Write the PID file to disk | 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
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`, `parseOptions`, `pretty_print_config_comment`

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__

### 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