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DpdlClient.md

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Dpdl

			www.dpdl.io

by SEE Solutions ©

DpdlClient

The 'DpdlClient' is a console application that allows to execute certain functionalities of Dpdl via a command line. The same functionalities can be accessed also programmatically via the Dpdl API.

The following commands are currently available:

 -l  List DpdlPackets installed
 -i  Install DpdlPacket
 -d  Uninstall DpdlPacket
 -la List DpdlPackets allocated
 -a  Allocate DpdlPacket
 -da Deallocate DpdlPacket
 -qp Query DpdlPacket (needs to be allocated first)
 -c Create DpdlPacket
 -libs  List Dpdl libraries
 -slib  Show library
 -api   List Dpdl API functions
 -exec  Type && Execute a Dpdl script, between <script>...  </script>
 -load  Load && Execute a Dpdl script file (relative path to./DpdlLibs/ eg. arraylistExample.h)
 -bench  Run a query benchmark test (on DpdlPacket dpdl_PHONEBOOK)
 -lc List the classes of a given java jar file
 -h  Help
 -q  quit

To run to DpdlClient console application you need Java JRE >= 1.5 and run the following command:

java -jar DpdlEngine_V1.0_release.jar

To execute a Dpdl code directly use the '-load' parameter at DpdlEngine startup:

java -jar DpdlEngine_V1.0_release.jar -load yourScript.h

If you need to run the DpdlClient on the latest version of Java, use the following command and add the modules you want to access via Dpdl code:

java --add-opens java.base/sun.net.www.protocol.http=ALL-UNNAMED --add-opens java.base/sun.net.www.protocol.https=ALL-UNNAMED -cp ./lib/mjcoap.jar -jar DpdlEngine_V1.0_release.jar

Run Dpdl scripts

You can execute Dpdl code in the following ways:

  1. Programmatically by using the Dpdl API
  2. Load and execute the Dpdl script file with the '-load' command
  3. Load and execute the Dpdl script file with the '-load' command at DpdlClient startup
  4. Input the script directly in the DpdlClient command console by using the '-exec' command ( with closing </script> tag)

1) Programmatically by using the Dpdl API

int status = DPDLAPI_execScript("sample.h", null)

You can also embed the code directly in Dpdl

int status = DPDLAPI_execCode("println('Hello from Dpdl')", null)

2) Load and execute the Dpdl scripts with the '-load' command:

-load
enter the Dpdl script file to execute:
arraylistExample.h

3) Load and execute the Dpdl scripts with the '-load' command at DpdlClient startup:

example:

java -jar DpdlEngine_V1.0_release.jar -load yourScript.h

Note: see also 'run_SampleApp_java17.sh'

4) Input the Dpdl script directly in the DpdlClient command console by using '-exec' command:

-exec
<script>
string str = "this is a test"
println(str)
</script>