Script import_export

Import/export daemon.

Classes

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StatusFile
Status file manager.

ChildProcess

Functions

[hide private]

SetupLogging()
Configures the logging module.

ProcessChildIO(child, socat_stderr_read_fd, dd_stderr_read_fd, dd_pid_read_fd, exp_size_read_fd, status_file, child_logger, signal_notify, signal_handler, mode)
Handles the child processes' output.

ParseOptions()
Parses the options passed to the program.

main()
Main function.

Variables

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MAX_RECENT_OUTPUT_LINES = 20
How many lines to keep in the status file

MIN_UPDATE_INTERVAL = 5.0
Don't update status file more than once every 5 seconds (unless forced)

CHILD_LINGER_TIMEOUT = 5.0
Give child process up to 5 seconds to exit after sending a signal

DEFAULT_CONNECT_TIMEOUT = 60
How long to wait for a connection to be established

DD_STATISTICS_INTERVAL = 5.0
Get dd(1) statistics every few seconds

DD_THROUGHPUT_INTERVAL = 60.0
Seconds for throughput calculation

DD_THROUGHPUT_SAMPLES = int(math.ceil(float(DD_THROUGHPUT_INTE...
Number of samples for throughput calculation

options = None

Imports: errno, logging, optparse, os, select, signal, subprocess, sys, time, math, constants, cli, utils, errors, serializer, objects, locking, impexpd, netutils

Function Details

[hide private]

ParseOptions()

Parses the options passed to the program.

Returns:: Arguments to program

Variables Details

[hide private]

DD_THROUGHPUT_SAMPLES

Number of samples for throughput calculation

Value:

int(math.ceil(float(DD_THROUGHPUT_INTERVAL)/ DD_STATISTICS_INTERVAL))