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echoscu - Online in the Cloud

Run echoscu in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command echoscu that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


echoscu - DICOM verification (C-ECHO) SCU

SYNOPSIS


echoscu [options] peer port

DESCRIPTION


The echoscu application implements a Service Class User (SCU) for the Verification SOP
Class. It sends a DICOM C-ECHO message to a Service Class Provider (SCP) and waits for a
response. The application can be used to verify basic DICOM connectivity.

PARAMETERS


peer hostname of DICOM peer

port tcp/ip port number of peer

OPTIONS


general options
-h --help
print this help text and exit

--version
print version information and exit

--arguments
print expanded command line arguments

-q --quiet
quiet mode, print no warnings and errors

-v --verbose
verbose mode, print processing details

-d --debug
debug mode, print debug information

-ll --log-level [l]evel: string constant
(fatal, error, warn, info, debug, trace)
use level l for the logger

-lc --log-config [f]ilename: string
use config file f for the logger

network options
application entity titles:

-aet --aetitle [a]etitle: string
set my calling AE title (default: ECHOSCU)

-aec --call [a]etitle: string
set called AE title of peer (default: ANY-SCP)

association negotiation debugging:

-pts --propose-ts [n]umber: integer (1..33)
propose n transfer syntaxes

-ppc --propose-pc [n]umber: integer (1..128)
propose n presentation contexts

other network options:

-to --timeout [s]econds: integer (default: unlimited)
timeout for connection requests

-ta --acse-timeout [s]econds: integer (default: 30)
timeout for ACSE messages

-td --dimse-timeout [s]econds: integer (default: unlimited)
timeout for DIMSE messages

-pdu --max-pdu [n]umber of bytes: integer (4096..131072)
set max receive pdu to n bytes (default: 16384)

--repeat [n]umber: integer
repeat n times

--abort
abort association instead of releasing it

transport layer security (TLS) options
transport protocol stack:

-tls --disable-tls
use normal TCP/IP connection (default)

+tls --enable-tls [p]rivate key file, [c]ertificate file: string
use authenticated secure TLS connection

+tla --anonymous-tls
use secure TLS connection without certificate

private key password (only with --enable-tls):

+ps --std-passwd
prompt user to type password on stdin (default)

+pw --use-passwd [p]assword: string
use specified password

-pw --null-passwd
use empty string as password

key and certificate file format:

-pem --pem-keys
read keys and certificates as PEM file (default)

-der --der-keys
read keys and certificates as DER file

certification authority:
+cf --add-cert-file [c]ertificate filename: string
add certificate file to list of certificates

+cd --add-cert-dir [c]ertificate directory: string
add certificates in d to list of certificates

ciphersuite:

+cs --cipher [c]iphersuite name: string
add ciphersuite to list of negotiated suites

+dp --dhparam [f]ilename: string
read DH parameters for DH/DSS ciphersuites

pseudo random generator:

+rs --seed [f]ilename: string
seed random generator with contents of f

+ws --write-seed
write back modified seed (only with --seed)

+wf --write-seed-file [f]ilename: string (only with --seed)
write modified seed to file f

peer authentication:

-rc --require-peer-cert
verify peer certificate, fail if absent (default)

-vc --verify-peer-cert
verify peer certificate if present

-ic --ignore-peer-cert
don't verify peer certificate

NOTES


DICOM Conformance
The echoscu application supports the following SOP Classes as an SCU:

VerificationSOPClass 1.2.840.10008.1.1

Unless the --propose-ts option is used, the echoscu application will only propose the
transfer syntax

LittleEndianImplicitTransferSyntax 1.2.840.10008.1.2

LOGGING


The level of logging output of the various command line tools and underlying libraries can
be specified by the user. By default, only errors and warnings are written to the standard
error stream. Using option --verbose also informational messages like processing details
are reported. Option --debug can be used to get more details on the internal activity,
e.g. for debugging purposes. Other logging levels can be selected using option --log-
level. In --quiet mode only fatal errors are reported. In such very severe error events,
the application will usually terminate. For more details on the different logging levels,
see documentation of module 'oflog'.

In case the logging output should be written to file (optionally with logfile rotation),
to syslog (Unix) or the event log (Windows) option --log-config can be used. This
configuration file also allows for directing only certain messages to a particular output
stream and for filtering certain messages based on the module or application where they
are generated. An example configuration file is provided in <etcdir>/logger.cfg.

COMMAND LINE


All command line tools use the following notation for parameters: square brackets enclose
optional values (0-1), three trailing dots indicate that multiple values are allowed
(1-n), a combination of both means 0 to n values.

Command line options are distinguished from parameters by a leading '+' or '-' sign,
respectively. Usually, order and position of command line options are arbitrary (i.e. they
can appear anywhere). However, if options are mutually exclusive the rightmost appearance
is used. This behavior conforms to the standard evaluation rules of common Unix shells.

In addition, one or more command files can be specified using an '@' sign as a prefix to
the filename (e.g. @command.txt). Such a command argument is replaced by the content of
the corresponding text file (multiple whitespaces are treated as a single separator unless
they appear between two quotation marks) prior to any further evaluation. Please note that
a command file cannot contain another command file. This simple but effective approach
allows one to summarize common combinations of options/parameters and avoids longish and
confusing command lines (an example is provided in file <datadir>/dumppat.txt).

ENVIRONMENT


The echoscu utility will attempt to load DICOM data dictionaries specified in the
DCMDICTPATH environment variable. By default, i.e. if the DCMDICTPATH environment variable
is not set, the file <datadir>/dicom.dic will be loaded unless the dictionary is built
into the application (default for Windows).

The default behavior should be preferred and the DCMDICTPATH environment variable only
used when alternative data dictionaries are required. The DCMDICTPATH environment variable
has the same format as the Unix shell PATH variable in that a colon (':') separates
entries. On Windows systems, a semicolon (';') is used as a separator. The data dictionary
code will attempt to load each file specified in the DCMDICTPATH environment variable. It
is an error if no data dictionary can be loaded.

COPYRIGHT


Copyright (C) 1994-2014 by OFFIS e.V., Escherweg 2, 26121 Oldenburg, Germany.

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