How to call multiple subvi?

I am creating a menu panel where I can call and control each new sub vi I call. It is only allowing me to call one at a time. How do I go about doing this? I have placed the sub vi and an ok button in an event structure. I am a beginner as you can tell, so any help is appreciated.

I hope the name isn't confusing you. LabVIEW is the server in this case, and is already set up in most cases. VI Server is just a general name for a set of technologies that allow you to automate LabVIEW VIs and LabVIEW as a whole. If you've ever used property nodes before, then you've already used VI Server and didn't know it.
The idea here is that VI Server calls can be used to launch VIs. The VIs in question are located in the Application Control palette. You will want Open VI Reference (input a path to the VI), a few property nodes and invoke nodes, and finally Close Reference to release your resources when you're done, just like you would close a file when you're done.
Here's an example of what I mean. Hope this helps! (This was written in LV 7.1)
Jarrod S.
National Instruments
Attachments:
Main Launcher.llb ‏65 KB

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How to call a subvi to run in background?

i have a timed loop which is gathering data and storing it in an array. when the array reaches a certain size, i would like to store it to a file while continuing to process new data into the array quickly. how can i pass the array to a file storage vi from within the loop without preventing the loop from continuing to iterate until the file access is complete? in other words, i would like to pass the data out of the loop and have the loop continue to run at the same rate while the data is written to a file as a lower priority task.
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Hi Ben,
...well, last-things first...
> if i call a subvi with an invoke node, i can set "wait until done" to false.... but then how do i pass the data?
Once you have a VI reference, you can us the "set Control Value" method to hand your array to the dynamically-called sub-VI, however...
What happens if the sub-vi doesn't finish by the time another 2D array is ready? (I know that's not supposed to happen, but what if?)
I think having a queue to which the entire 2D array is written as a single element would be better, and I doubt that launching a sub-vi and passing an array would be any more efficient than writing to an existing queue. To be honest, I don't know whether the call to the sub-VI will pass the array by value or by reference. If by value, then a copy is being created - why not create it in a queue? If by reference, then you have two sections of code writing to the same buffer at the same time - opening the door for data-over-runs.
In the old days, code took a big performance-hit by using Globals this way - frequent writes/reads. Your application seem to fit a "Producer/Consumer" paradigm - which is routinely implemented using queues.
With that much data, I'd be looking for ways to keep it in binary format for Excel - (LabVIEW uses a conventional binary representation for storing floats) - I'd be surprised if it isn't possible to keep it that way.
If anyone else has ideas to share, I'm happy to step aside.
bs05442 wrote:
here's a little more about my situation, and why i am not using a queue--
i am running two instances of the same dynamometer control application to allow a user to control a pair of dynos for tracked vehicle testing. each instance of this vi is gathering status and measurement data off a CAN bus. i want to log this data as well as (in the future) data from other control VIs running on the same computer. so i set up a global variable to which each vi writes it's measurement data, and i have a logging application periodically (up to 100Hz) capture the status of the entire global as a new row in a 2D floating point array. because i am adding a couple dozen elements each time the logger cycles, i did not want the performance hit of dynamically resizing the data structure to which i was storing the data, so i predfine the 2d array and then use an integer to store the index of the next row i want to write to. the problem comes when i fill up the array (64k lines, the most that excel will process from a csv file)--i would like to store it to a file without inturrupting the logging, but the conversion from float to string plus the file access time takes up too much time to handle inside an iteration of my logging loop. so i'd like to pass the array to another task which would take care of converting and storing it in the background.
i'm afraid if i store the data in a queue, the application might slow down once the queue gets too large, and i don't want to bog down the other control vis that are running on the same machine. if i call a sub vi to write that data, the current loop iteration does not complete until the file write is done and i miss a few periods of data. if i want to use a seperate loop to monitor the array size and perform the file access, i need to make the array available to both loops, which seems to require making it a hidden control on the front panel.... but then i have to access this large data structure via local variables, which will give me a huge memory hit, right? so i think what i would really like to do is pass the entire contents of the array off all at once to another vi, then let that vi store the data in the background while the fast loop continues to begin filling up its array again. if i call a subvi with an invoke node, i can set "wait until done" to false.... but then how do i pass the data?
thanks for any advice...
Ben.
"Inside every large program is a small program struggling to get out." (attributed to Tony Hoare)

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BS__ (Sender business system)
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Hi:
I got a control vi written extensively by front panel events. I want to use it as a subvi, can I fire a event trigger programmably by anyway?
Thanks

菊花烧饼 wrote:
http://forums.ni.com/ni/board/message?board.id=170&message.id=134729&query.id=80280#M134729
I didn't sure waht you means,maybe the link have some help to you
Really, it is ireelevant to this post, but very much needed for me, because I was searching for calling a .VIT dynamically.
Thanks for that.
BTW, what is your name ? It is showing 4 squares.
But, I hope this is not your name.
- Partha
LabVIEW - Wires that catch bugs!

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Message Edité par chilly charly le 10-26-2007 06:42 AM
Chilly Charly (aka CC)
E-List Master - Kudos glutton - Press the yellow button on the left...
Attachments:
open subvi.png ‏9 KB

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Hi Dharani24,
Try if these are helpful,
http://digital.ni.com/public.nsf/allkb/DB92C44E7D4D8A1B862577CB007D9C45
http://zone.ni.com/reference/en-XX/help/371361J-01/lvconcepts/asynchronous_vi_calls/
http://zone.ni.com/reference/en-XX/help/371361J-01/lvconcepts/reentrancy/
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uday,
Please Mark the solution as accepted if your problem is solved and help author by clicking on kudoes
Certified LabVIEW Associate Developer (CLAD) Using LV13

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Hi Guys,
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Thanks,
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Hi,
directories creates basis. If you have task to store data in application server you already should have information into which folder you have to do it. If you don't have this information because it is just for example training for next task then you can use your personal folder into which you have access. To get list of all available folders please look at attached code and form get_directories (you get the list of folders you see in transaction AL11). But don't forget: If you are using open dataset you have to have rights to access application folder!
Here you are code which I use to upload text files from local disc into application folder
Regards,
Karol
*& Report FILE_PC_TO_SAP
REPORT FILE_PC_TO_SAP.
DATA: BEGIN OF searchpoints OCCURS 100,
        DIRNAME(200)     TYPE c, " name of directory.
        sp_name(100)     TYPE c," name of entry. (may end with *)
      END OF searchpoints.
DATA: BEGIN OF isearchpoints OCCURS 10,
        dirname(75) TYPE c,            " name of directory.
        aliass(75) TYPE c,            " alias for directory.
        svrname(75) TYPE c,            " svr where directory is availabl
        sp_name(75) TYPE c,            " name of entry. (may end with *)
        sp_cs(10)   TYPE c,            " ContainsString pattern for name
      END OF isearchpoints.
data: l_file type filetable.
data: l_rc   type i.
data: itab   type TABLE OF string.
data: g_tmp_file_path type rlgrap-filename.
data: wa_itab type string.
data: h_destin(100) type c.
data: dat      type string.
INITIALIZATION.
perform get_directories.
START-OF-SELECTION.
parameters: in_file type string OBLIGATORY LOWER CASE.
parameters: destin(100) type c OBLIGATORY LOWER CASE.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
   FILENAME                      = in_file
   "FILETYPE                      = 'BIN'
   FILETYPE                      = 'ASC'
   HAS_FIELD_SEPARATOR           = ' '
   HEADER_LENGTH                 = 0
   READ_BY_LINE                  = 'X'
   DAT_MODE                      = ' '
TABLES
    DATA_TAB                     = itab
EXCEPTIONS
   FILE_OPEN_ERROR               = 1
   FILE_READ_ERROR               = 2
   NO_BATCH                      = 3
   GUI_REFUSE_FILETRANSFER       = 4
   INVALID_TYPE                  = 5
   NO_AUTHORITY                  = 6
   UNKNOWN_ERROR                 = 7
   BAD_DATA_FORMAT               = 8
   HEADER_NOT_ALLOWED            = 9
   SEPARATOR_NOT_ALLOWED         = 10
   HEADER_TOO_LONG               = 11
   UNKNOWN_DP_ERROR              = 12
   ACCESS_DENIED                 = 13
   DP_OUT_OF_MEMORY              = 14
   DISK_FULL                     = 15
   DP_TIMEOUT                    = 16
   OTHERS                        = 17.
IF sy-SUBRC <> 0.
write: / 'Error during loading input file!'.
ENDIF.
if h_destin is INITIAL.
h_destin = in_file.
endif.
CONCATENATE destin h_destin into dat SEPARATED BY '/'.
*TRANSLATE dat TO UPPER CASE.
OPEN DATASET dat FOR OUTPUT IN TEXT MODE ENCODING DEFAULT.
IF sy-SUBRC = 0.
loop at itab into wa_itab.
     TRANSFER: wa_itab TO dat.
endloop.
CLOSE DATASET dat.
write: / 'File uploaded!'.
ELSE.
write: / 'Not possible to open dataset'.
ENDIF.
at selection-screen on value-request for in_file.
perform select_input_file_name.
loop at l_file into g_tmp_file_path.
    move g_tmp_file_path to in_file.
    h_destin = ''.
    SPLIT g_tmp_file_path at '\' into table itab.
    loop at itab into g_tmp_file_path.
      h_destin = g_tmp_file_path.
    endloop.
endloop.
at selection-screen on value-request for destin.
DATA: lt_dfies    TYPE TABLE OF dfies.
DATA: lwa_dfies   TYPE dfies.
CALL FUNCTION 'DDIF_FIELDINFO_GET'
    EXPORTING
      tabname    = '/BI0/PCO_AREA'
      lfieldname = 'CO_AREA'
    IMPORTING
      dfies_wa   = lwa_dfies.
lwa_dfies-tabname = 'searchpoints'.
lwa_dfies-REPTEXT   = 'Destination directory'.
lwa_dfies-LENG      = 100.
lwa_dfies-INTLEN    = 100.
lwa_dfies-OUTPUTLEN = 100.
lwa_dfies-fieldname = 'SP_NAME'.
APPEND lwa_dfies TO lt_dfies.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
    EXPORTING
      RETFIELD = 'SP_NAME'
      DYNPPROG = SY-REPID
      DYNPNR = SY-DYNNR
      DYNPROFIELD = 'destin'
      VALUE_ORG = 'S'
    TABLES
      VALUE_TAB = searchpoints
      FIELD_TAB = lt_dfies
    EXCEPTIONS
      PARAMETER_ERROR = 1
      NO_VALUES_FOUND = 2
      OTHERS = 3.
*&      Form select_input_file_name
*       text
form select_input_file_name.
* call function 'F4_FILENAME'
*       exporting
*            program_name = sy-repid
*            dynpro_number = sy-dynnr
*            field_name    = 'PATH'
*       importing
*            file_name     = g_tmp_file_path.
CALL METHOD CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG
EXPORTING
WINDOW_TITLE = 'Please choose a file'
"default_extension = '*.TXT'
"default_filename = 'C:\*.txt'
initial_directory = 'C:\'
file_filter = '*.*'
CHANGING
FILE_TABLE = l_file
RC = l_RC
EXCEPTIONS
FILE_OPEN_DIALOG_FAILED = 1
CNTL_ERROR = 2
ERROR_NO_GUI = 3
NOT_SUPPORTED_BY_GUI = 4
OTHERS = 5.
IF SY-SUBRC <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
    WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
endform.                    "select_input_file_name
*&      Form WRITE_DB_HOME
*       Write DB home directory
*       no parameters
FORM write_db_home.
CASE sy-dbsys(3).
    WHEN 'ORA'.
      CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ORAHOME'
                         ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
*      PERFORM flip_flop(rsora000) USING cflag.
*      WRITE: / 'DIR_ORAHOME',       30 searchpoints-dirname.
      MOVE: 'DIR_ORAHOME'        TO searchpoints-sp_name.
      APPEND searchpoints.
*--- C5056155 End   of ALV -------------------------------*
    WHEN 'ADA'.
      CALL 'C_GETENV' ID 'NAME' FIELD 'DBROOT'
                      ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
*      PERFORM flip_flop(rsora000) USING cflag.
*      WRITE: / 'DIR_ADA_DBROOT',    30 searchpoints-dirname.
      MOVE: 'DIR_ADA_DBROOT'     TO searchpoints-sp_name.
      APPEND searchpoints.
*--- C5056155 End   of ALV -------------------------------*
    WHEN 'INF'.
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                      ID 'VALUE' FIELD searchpoints-dirname.
*--- C5056155 Start of ALV -------------------------------*
*      PERFORM flip_flop(rsora000) USING cflag.
*      WRITE: / 'DIR_INF_INFORMIXDIR', 30 searchpoints-dirname.
      MOVE: 'DIR_INF_INFORMIXDIR' TO searchpoints-sp_name.
      APPEND searchpoints..
*--- C5056155 End   of ALV -------------------------------*
    WHEN 'DB6'.
      CALL 'C_GETENV' ID 'NAME' FIELD 'INSTHOME'
                      ID 'VALUE' FIELD searchpoints-dirname.
      IF sy-subrc = 0.
*--- C5056155 Start of ALV -------------------------------*
*        PERFORM flip_flop(rsora000) USING cflag.
*        WRITE: / 'DIR_DB2_HOME',    30 searchpoints-dirname.
        MOVE: 'DIR_DB2_HOME'       TO searchpoints-sp_name.
        APPEND searchpoints.
*--- C5056155 End   of ALV -------------------------------*
      ELSE.
        EXIT.
      ENDIF.
    WHEN OTHERS.
      EXIT.
ENDCASE.
ENDFORM.                    " WRITE_DB_HOME
FORM get_directories.
* get the name and aliases of ALL userdefined directories
SELECT * FROM user_dir INTO isearchpoints
    WHERE svrname = sy-uname.
    MOVE isearchpoints-dirname to searchpoints-dirname.
    MOVE isearchpoints-aliass to searchpoints-sp_name.
    APPEND searchpoints.
ENDSELECT.
SELECT * FROM user_dir INTO isearchpoints
    WHERE svrname = 'all'.
    MOVE isearchpoints-dirname to searchpoints-dirname.
    MOVE isearchpoints-aliass to searchpoints-sp_name.
    APPEND searchpoints.
ENDSELECT.
* Get DB home
IF sy-dbsys(3) = 'ADA'.
    PERFORM write_db_home.
ENDIF.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ATRA'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_ATRA'           TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_BINARY'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_BINARY'         TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory $DIR_CCMS
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CCMS'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CCMS'           TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CT_LOGGING'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CT_LOGGING'     TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_CT_RUN'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_CT_RUN'         TO searchpoints-sp_name.
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CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_DATA'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_DATA'           TO searchpoints-sp_name.
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IF sy-dbsys(3) = 'DB6'.
    PERFORM write_db_home.
ENDIF.
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                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_DBMS'           TO searchpoints-sp_name.
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CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_EXECUTABLE'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_EXECUTABLE'     TO searchpoints-sp_name.
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CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_EXE_ROOT'
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MOVE: 'DIR_EXE_ROOT'       TO searchpoints-sp_name.
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*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GEN'
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MOVE: 'DIR_GEN'            TO searchpoints-sp_name.
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* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GEN_ROOT'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GEN_ROOT'       TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GLOBAL'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GLOBAL'         TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GRAPH_EXE'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GRAPH_EXE'      TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_GRAPH_LIB'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_GRAPH_LIB'      TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_HOME'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_HOME'           TO searchpoints-sp_name.
APPEND searchpoints.
* Get DB home
IF sy-dbsys(3) = 'INF'.
    PERFORM write_db_home.
ENDIF.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_INSTALL'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_INSTALL'        TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_INSTANCE'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_INSTANCE'       TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_LIBRARY'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_LIBRARY'        TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_LOGGING'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_LOGGING'        TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the files written by the memory inspector
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_MEMORY_INSPECTOR'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_MEMORY_INSPECTOR' TO searchpoints-sp_name.
APPEND searchpoints.
* Get DB home
IF sy-dbsys(3) = 'ORA'.
    PERFORM write_db_home.
ENDIF.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PAGING'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PAGING'         TO searchpoints-sp_name.
APPEND searchpoints.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PUT'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PUT'            TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PERF'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PERF'           TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PROFILE'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PROFILE'        TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_PROTOKOLLS'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_PROTOKOLLS'     TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_REORG'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_REORG'          TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_ROLL'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_ROLL'           TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_RSYN'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_RSYN'           TO searchpoints-sp_name.
APPEND searchpoints.
* calculate directory for saphostagent (no sapparam available...)
IF ( sy-opsys(3) = 'WIN' ) OR ( sy-opsys(3) = 'Win' ).
    DATA: windir_path(64), programfiles_path(64).
*   hoping that ProgramFiles is set in service user environment
    CALL 'C_GETENV' ID 'NAME' FIELD 'ProgramFiles'
                    ID 'VALUE' FIELD programfiles_path.
    IF programfiles_path IS INITIAL.
*     %ProgramFiles% not available. guess from windir
      CALL 'C_GETENV' ID 'NAME' FIELD 'windir'
                      ID 'VALUE' FIELD windir_path.
*     e.g. S:\WINDOWS ==> S:\Program Files
      CONCATENATE windir_path(3) 'Program Files' INTO programfiles_path.
    ENDIF.
    CONCATENATE programfiles_path '\SAP\hostctrl'
                                             INTO searchpoints-dirname.
ELSE.
*   on UNIX, the path is hard coded
    searchpoints-dirname = '/usr/sap/hostctrl'.
ENDIF.
MOVE: 'DIR_SAPHOSTAGENT' TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SAPUSERS'
                     ID 'VALUE' FIELD searchpoints-dirname.
IF searchpoints-dirname = '.'.
    IF sy-opsys = 'Windows NT'.
      searchpoints-dirname = '.\'.
    ELSE.
      searchpoints-dirname = './'.
    ENDIF.
ENDIF.
MOVE: 'DIR_SAPUSERS'       TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SETUPS'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SETUPS'         TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SORTTMP'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SORTTMP'        TO searchpoints-sp_name.
APPEND searchpoints.
*get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_SOURCE'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_SOURCE'         TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TEMP'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TEMP'           TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRANS'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRANS'          TO searchpoints-sp_name.
APPEND searchpoints.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRFILES'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRFILES'        TO searchpoints-sp_name.
APPEND searchpoints.
* get name of directory with the error files
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'DIR_TRSUB'
                     ID 'VALUE' FIELD searchpoints-dirname.
MOVE: 'DIR_TRSUB'          TO searchpoints-sp_name.
APPEND searchpoints.
* get the name of the current server.
CALL 'C_SAPGPARAM' ID 'NAME' FIELD 'rdisp/myname'
                     ID 'VALUE' FIELD searchpoints-dirname.
data: h_ind type i.
LOOP AT searchpoints.
    h_ind = sy-tabix.
    IF searchpoints-sp_name IS INITIAL.
      DELETE searchpoints INDEX h_ind.
    ENDIF.
ENDLOOP.
ENDFORM.

How to agregate multiple response messages into one output message

Hello,
My issue is to send a request to a webservice, and as response i got a message with maximum 100 records. Then if there is more records to retrieve i will have to re send a request in order to have the remaining records until there is no records to retrieve.
So how can i send back in the end of the loop only one output messsage with all records retrieved ?
Thank's for all.

Hi Aheriz,
If I understand correctly, you can receive a response from webservice with maximum 100 records in it and if there are more records against the request you sent, then you will have to call the webservice again. How do you decide if there are more records?
Do you get it in some field present in response?
So you can decide based on it whether to make another call/multiple call to webservice (the loop condition depends on number of records left/100). And about sending one output, you have to aggregate and for that you can use send pipeline .
Sample is available in the SDK Folder under Pipelines/Aggregator:https://msdn.microsoft.com/en-us/library/aa561747.aspx
Maheshkumar
S Tiwari|User
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