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< User Contributions ~ Timed supervisor for scheduled process execution |
| asergey |
 Posted: Tue Sep 23, 2008 12:17 pm |
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User
Joined: 12 Mar 2005
Posts: 313
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This module implements a supervisor that can manage a single child process by allowing to define:
1. Days of week and hours of day when the child process needs to be run.
2. Extended restart handling that includes max number of restarts in a given interval with a given restart delay.
3. Child process can run on another node.
4. Allowing to use a monitor or link to monitor child process (sometimes it may be needed not to restart a child process running on another node if a connection to the node running the timed_supervisor fails. In this case the {M,F,A} needs to be "smart enough" not to start a new child but to resume monitoring existing child Pid when network connection gets restored).
5. Ability to specify failure action (e.g. restart, reschedule for next time interval, custom function, etc.)
6. Extended progress reports and supervisor reports showing child process scheduling status.
Example:
Run {M,F,A} event Mon & Tue between 9am and 5pm, allowing up to 3 failures within 20 seconds with a restart delay of 4s:
timed_supervisor:start_link(
{M,F,A}, [{schedule, [{[mon,tue], [{"9:00:00", "17:00:00"}]}]},
{restart, {3, 20, 4}}])
Regards,
Serge |
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timed_supervisor.erl |
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