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The following table describes all available "session" parameters, their meaning and examples of their usage:

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hw_model

Parameter

hw_model

Type

Text string

Value

Virtual VAX/PDP11 system hardware model to be emulated.

Use a default configuration template for each particular model as a starting point for a custom configuration. This would ensure that the parameter is set correctly.

Example:

set session hw_model="VAX_6610"

Available models are:

PDP_1193
PDP_1194
MicroVAX_3100_Model_96
MicroVAX_3100_Model_98
MicroVAX_3600
MicroVAX_3900
MicroVAX_II
VAXserver_3600
VAXserver_3600
VAXserver_3600_128
VAXserver_3600_512
VAXserver_3900
VAXserver_3900_128
VAXserver_3900_512
VAX_4000_Model_106
VAX_4000_Model_108
VAX_4000_Model_700
VAX_4000_Model_705
VAX_6000_Model_310
VAXstation_4000_Model_90
VAX_6610
VAX_6620
VAX_6630
VAX_6640
VAX_6650
VAX_6660

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configuration_name

Parameter

configuration_name

Type

Text string

Value

Name of the Charon-VAX / Charon-PDP instance (it must be unique):

set session configuration_name="MSCDV1"

In provided templates this parameter is specified in the included configuration file "configuration_name.icfg".

The value of this parameter is used as a prefix to the event log file name (see below).

From the example above, the Charon-VAX / Charon-PDP log file will have the following name:

MSCDV1-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

xxxxxxxxx is an increasing decimal number starting from 000000000 to separate log files with the same time of creation (in case the log is being written faster than one log file per second).

It is strictly recommended to use the "configuration_name" parameter if more than one Charon instance runs on the same server.

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log

Parameter log

Type Text string

Value

The log file or directory name is where the log file for each Charon-VAX / Charon-PDP execution session is stored.

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title	Log specified as a file name

It is possible to overwrite the existing log file or to extend it using the "481988523 log_method" parameter.

The "log_method" parameter is effective only when a single log file is specified, not a directory.

Example:

set session log="C:\Charon\vax4106prod.log"

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title	Log specified as a directory

Charon-VAX / Charon-PDP automatically creates individual log files for each Charon-VAX / Charon-PDP execution session. If the log parameter is omitted, Charon-VAX / Charon-PDP creates a log file for each Charon-VAX / Charon-PDP execution session in the directory where the emulator was started. In these two cases, the log rotation mode is enabled, meaning a new log file is created each time the virtual machine is started and when the log file size exceeds the one specified (see 481988523 log_file_size) and/or when the log file is older than a specified number of days (see 481988523 log_rotation_period).

A shortcut located in the same directory will be created, pointing to the active log file. Its name is based on the hw_model parameter or the configuration_name parameter if specified.

If the "configuration_name" parameter of the session is specified, the log file name is composed as follows:

<configuration_name>-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

If the "configuration_name" parameter is omitted, the log file name will have the following format:

<hw_model>-YYYY-MM-DD-hh-mm-ss-xxxxxxxxx.log

where "xxxxxxxxx" is an increasing decimal integer, starting from 000000000 to separate log files with the same time of creation (in case the log is being created faster than one log file per second).

Only existing directory can be specified. If the directory specified does not exist, this will be considered as a flat file. No trailing backslash character is allowed.

Example:

set session configuration_name="vax4106prod"

set session log="C:\Charon\Logs"

The execution of the virtual machine will create a log file, named C:\Charon\Logs\vax4106prod-2016-10-13-10-00-00-000000000.log (for example) and a shortcut named C:\Charon\Logs\vax4106prod.log pointing to this file. The shortcut will be updated when the log rotation will occur.

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Parameter log_file_size

Type Text string

Value

If log rotation is enabled, the log_file_size parameter determines the log file size threshold at which the log is automatically rotated. Rotating log file size is multiple of 64K

"unlimited" or "0" (default) - the feature is disabled
"default" - default size is used (4Mb)
<size>[KMG] - size of the current log file in bytes with additional multipliers:
- K - Kilobyte - multiply by 1024
- M - Megabyte - multiply by 1024*1024
- G - Gigabyte - multiply by 1024*1024*1024

Examples:

set session log_file_size="default"

set session log_file_size=10M

Minimum LOG File size is 64K, maximum is 1G. Setting a size less then than 64K effectively makes the log file size unlimited.

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Parameter log_rotation_period

Type Text string

Value

"default" - default value, 7 days. This value is used even if the "log_rotation_period" is not specified.
"daily" or "1"
"weekly" or "7"
"never" or "0"
<N> - in N days where N is greater than 0

If the rotation log mode is enabled, this parameter controls switching to the next log file based on a period of time. If enabled, the switching to the next log file occurs at midnight.

Examples:

set session log_rotation_period="weekly"

set session log_rotation_period=14

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Parameter log_repeat_filter

Type Text string

Value

Specifies if repeated messages should be filtered or not. Possible values are "on" and "off" (default).

If the value is "on", immediately following messages with the same identifier and system error code are not listed in the log but they are counted. When a different log message is generated, the repeat count of the earlier log message is reported with the entry "The previous message has been repeated N times." and the counter is cleared.

Stromasys highly recommends to let this value to "off" otherwise important information will not be reported in the log file.

Example:

set session log_repeat_filter="off"

log_flush_period

Parameter log_flush_period

Type Numeric

Value

<period-in-seconds>

Defines a period of flushing log to disk.

Default period is 60 seconds (it means that every minute log file is flushed to disk)

Examples:

set session log_flush_period=30

license_key_id

Parameter

license_key_id

Type Text string

Value

A set of Sentinel Key IDs that specifies the license keys to be used by Charon. It is also possibly to use a keyword "any" to force Charon to look for a suitable license in all available keys if the license is not found in the specified keys.

Example:

set session license_key_id = "1877752571,354850588,any"

Based on the presence of this parameter in the configuration file, Charon behaves as follows:

No keys are specified (the parameter is absent)
Charon performs an unqualified search for any suitable key in unspecified order. If no key is found, Charon exits.
One or many keys are specified
Charon performs a qualified search for a regular license key in the specified order. If it is not found, Charon exits (if the keyword "any" is not set).

If the keyword "any" is specified then if no valid license has been found in the keys with specified ID’s all other available keys are examined for valid license as well.

Note
The order in which keys are specified is very important. If a valid license was found in the key which ID was not the first one specified in configuration file, then available keys are periodically re-scanned and if the key with the ID earlier in the list than the current one is found Charon tries to find a valid license there and in case of success switches to that key.

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license_id

Parameter

license_id

Type Text string

Value

A set of license identifiers that specifies the licenses to be used by Charon. This parameter is applicable only to licenses on which Stromasys placed restrictions on what products can be combined on a single license key. Please contact your Stromasys representative or VAR for more information.

Example:

set session license_id = "2718281828,314159265"

If this parameter is set, Charon considers for validation only the available licenses with license ID parameter set and equal to one of the license ID's specified in the configuration. This prioritized list corresponds to the "Product License Number" line in the Product section of the license.

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Key

hw_model

configuration_name

log

log_flush_period

license_key_id

license_id