abapGit/src/objects/core/zcl_abapgit_serialize.clas.abap
abap-weasel 30674e1e69
Release serialization resources (fixes #4774) (#4775)
* Release serialization resources (fixes #4774) 

Release serialization resources to prevent dump #4774 for export of large packages

* Free files after parallelization

* transfer files one by one

* Update src/objects/core/zcl_abapgit_serialize.clas.abap

Co-authored-by: abaplint[bot] <24845621+abaplint[bot]@users.noreply.github.com>

* fix lint, missing fs declaration

* index access on delete lt_found

* Update src/objects/core/zcl_abapgit_serialize.clas.abap

Co-authored-by: abaplint[bot] <24845621+abaplint[bot]@users.noreply.github.com>

* cleanup: index variable not required

* rollback to original APPEND LINES

Co-authored-by: abaplint[bot] <24845621+abaplint[bot]@users.noreply.github.com>
Co-authored-by: Lars Hvam <larshp@hotmail.com>
2021-05-20 11:33:41 +02:00

566 lines
17 KiB
ABAP

CLASS zcl_abapgit_serialize DEFINITION
PUBLIC
CREATE PUBLIC .
PUBLIC SECTION.
METHODS constructor
IMPORTING
!iv_serialize_master_lang_only TYPE abap_bool DEFAULT abap_false
!it_translation_langs TYPE zif_abapgit_definitions=>ty_languages OPTIONAL.
METHODS on_end_of_task
IMPORTING
!p_task TYPE clike .
METHODS serialize
IMPORTING
!it_tadir TYPE zif_abapgit_definitions=>ty_tadir_tt
!iv_language TYPE langu DEFAULT sy-langu
!ii_log TYPE REF TO zif_abapgit_log OPTIONAL
!iv_force_sequential TYPE abap_bool DEFAULT abap_false
RETURNING
VALUE(rt_files) TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
METHODS files_local
IMPORTING
!iv_package TYPE devclass
!io_dot_abapgit TYPE REF TO zcl_abapgit_dot_abapgit
!is_local_settings TYPE zif_abapgit_persistence=>ty_repo-local_settings
!ii_log TYPE REF TO zif_abapgit_log
!it_filter TYPE zif_abapgit_definitions=>ty_tadir_tt OPTIONAL
!ii_data_config TYPE REF TO zif_abapgit_data_config OPTIONAL
RETURNING
VALUE(rt_files) TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
PROTECTED SECTION.
TYPES:
BEGIN OF ty_unsupported_count,
obj_type TYPE tadir-object,
obj_name TYPE tadir-obj_name,
count TYPE i,
END OF ty_unsupported_count .
TYPES:
ty_unsupported_count_tt TYPE HASHED TABLE OF ty_unsupported_count WITH UNIQUE KEY obj_type .
TYPES:
ty_char32 TYPE c LENGTH 32 .
CLASS-DATA gv_max_threads TYPE i .
DATA mt_files TYPE zif_abapgit_definitions=>ty_files_item_tt .
DATA mv_free TYPE i .
DATA mi_log TYPE REF TO zif_abapgit_log .
DATA mv_group TYPE rzlli_apcl .
DATA mv_serialize_master_lang_only TYPE abap_bool .
DATA mt_translation_langs TYPE zif_abapgit_definitions=>ty_languages .
METHODS add_apack
IMPORTING
!iv_package TYPE devclass
CHANGING
!ct_files TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
METHODS add_data
IMPORTING
!ii_data_config TYPE REF TO zif_abapgit_data_config
!io_dot_abapgit TYPE REF TO zcl_abapgit_dot_abapgit
CHANGING
!ct_files TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
METHODS add_dot_abapgit
IMPORTING
!io_dot_abapgit TYPE REF TO zcl_abapgit_dot_abapgit
CHANGING
!ct_files TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
METHODS add_to_return
IMPORTING
!iv_path TYPE string
!is_file_item TYPE zif_abapgit_objects=>ty_serialization .
METHODS run_parallel
IMPORTING
!is_tadir TYPE zif_abapgit_definitions=>ty_tadir
!iv_language TYPE langu
!iv_task TYPE ty_char32
RAISING
zcx_abapgit_exception .
METHODS run_sequential
IMPORTING
!is_tadir TYPE zif_abapgit_definitions=>ty_tadir
!iv_language TYPE langu
RAISING
zcx_abapgit_exception .
METHODS add_objects
IMPORTING
!iv_package TYPE devclass
!io_dot_abapgit TYPE REF TO zcl_abapgit_dot_abapgit
!is_local_settings TYPE zif_abapgit_persistence=>ty_repo-local_settings
!ii_log TYPE REF TO zif_abapgit_log
!it_filter TYPE zif_abapgit_definitions=>ty_tadir_tt OPTIONAL
CHANGING
VALUE(ct_files) TYPE zif_abapgit_definitions=>ty_files_item_tt
RAISING
zcx_abapgit_exception .
METHODS determine_max_threads
IMPORTING
!iv_force_sequential TYPE abap_bool DEFAULT abap_false
RETURNING
VALUE(rv_threads) TYPE i
RAISING
zcx_abapgit_exception .
METHODS filter_unsupported_objects
CHANGING
!ct_tadir TYPE zif_abapgit_definitions=>ty_tadir_tt .
PRIVATE SECTION.
ENDCLASS.
CLASS zcl_abapgit_serialize IMPLEMENTATION.
METHOD add_apack.
DATA ls_apack_file TYPE zif_abapgit_definitions=>ty_file.
FIELD-SYMBOLS <ls_file> LIKE LINE OF ct_files.
ls_apack_file = zcl_abapgit_apack_helper=>to_file( iv_package ).
IF ls_apack_file IS NOT INITIAL.
APPEND INITIAL LINE TO ct_files ASSIGNING <ls_file>.
<ls_file>-file = ls_apack_file.
ENDIF.
ENDMETHOD.
METHOD add_data.
DATA lt_files TYPE zif_abapgit_definitions=>ty_files_tt.
DATA ls_file LIKE LINE OF lt_files.
FIELD-SYMBOLS <ls_return> LIKE LINE OF ct_files.
IF ii_data_config IS INITIAL.
RETURN.
ENDIF.
lt_files = ii_data_config->to_json( ).
LOOP AT lt_files INTO ls_file.
APPEND INITIAL LINE TO ct_files ASSIGNING <ls_return>.
<ls_return>-file = ls_file.
" Derive object from config filename (namespace + escaping)
zcl_abapgit_filename_logic=>file_to_object(
EXPORTING
iv_filename = <ls_return>-file-filename
iv_path = <ls_return>-file-path
io_dot = io_dot_abapgit
IMPORTING
es_item = <ls_return>-item ).
<ls_return>-item-obj_type = 'TABU'.
ENDLOOP.
lt_files = zcl_abapgit_data_factory=>get_serializer( )->serialize( ii_data_config ).
LOOP AT lt_files INTO ls_file.
APPEND INITIAL LINE TO ct_files ASSIGNING <ls_return>.
<ls_return>-file = ls_file.
" Derive object from data filename (namespace + escaping)
zcl_abapgit_filename_logic=>file_to_object(
EXPORTING
iv_filename = <ls_return>-file-filename
iv_path = <ls_return>-file-path
io_dot = io_dot_abapgit
IMPORTING
es_item = <ls_return>-item ).
ENDLOOP.
ENDMETHOD.
METHOD add_dot_abapgit.
FIELD-SYMBOLS: <ls_file> LIKE LINE OF ct_files.
APPEND INITIAL LINE TO ct_files ASSIGNING <ls_file>.
<ls_file>-file = io_dot_abapgit->to_file( ).
ENDMETHOD.
METHOD add_objects.
DATA: lo_filter TYPE REF TO zcl_abapgit_repo_filter,
lv_force TYPE abap_bool,
lt_found LIKE ct_files,
lt_tadir TYPE zif_abapgit_definitions=>ty_tadir_tt.
lt_tadir = zcl_abapgit_factory=>get_tadir( )->read(
iv_package = iv_package
iv_ignore_subpackages = is_local_settings-ignore_subpackages
iv_only_local_objects = is_local_settings-only_local_objects
io_dot = io_dot_abapgit
ii_log = ii_log ).
CREATE OBJECT lo_filter.
lo_filter->apply( EXPORTING it_filter = it_filter
CHANGING ct_tadir = lt_tadir ).
* if there are less than 10 objects run in single thread
* this helps a lot when debugging, plus performance gain
* with low number of objects does not matter much
lv_force = boolc( lines( lt_tadir ) < 10 ).
lt_found = serialize(
it_tadir = lt_tadir
iv_language = io_dot_abapgit->get_main_language( )
ii_log = ii_log
iv_force_sequential = lv_force ).
APPEND LINES OF lt_found TO ct_files.
ENDMETHOD.
METHOD add_to_return.
FIELD-SYMBOLS: <ls_file> LIKE LINE OF is_file_item-files,
<ls_return> LIKE LINE OF mt_files.
LOOP AT is_file_item-files ASSIGNING <ls_file>.
APPEND INITIAL LINE TO mt_files ASSIGNING <ls_return>.
<ls_return>-file = <ls_file>.
<ls_return>-file-path = iv_path.
<ls_return>-item = is_file_item-item.
ENDLOOP.
ENDMETHOD.
METHOD constructor.
DATA lo_settings TYPE REF TO zcl_abapgit_settings.
lo_settings = zcl_abapgit_persist_settings=>get_instance( )->read( ).
IF zcl_abapgit_factory=>get_environment( )->is_merged( ) = abap_true
OR lo_settings->get_parallel_proc_disabled( ) = abap_true.
gv_max_threads = 1.
ENDIF.
mv_group = 'parallel_generators'.
mv_serialize_master_lang_only = iv_serialize_master_lang_only.
mt_translation_langs = it_translation_langs.
ENDMETHOD.
METHOD determine_max_threads.
IF iv_force_sequential = abap_true.
rv_threads = 1.
RETURN.
ENDIF.
IF gv_max_threads >= 1.
* SPBT_INITIALIZE gives error PBT_ENV_ALREADY_INITIALIZED if called
* multiple times in same session
rv_threads = gv_max_threads.
RETURN.
ENDIF.
CALL FUNCTION 'FUNCTION_EXISTS'
EXPORTING
funcname = 'Z_ABAPGIT_SERIALIZE_PARALLEL'
EXCEPTIONS
function_not_exist = 1
OTHERS = 2.
IF sy-subrc <> 0.
gv_max_threads = 1.
ELSE.
* todo, add possibility to set group name in user exit
CALL FUNCTION 'SPBT_INITIALIZE'
EXPORTING
group_name = mv_group
IMPORTING
free_pbt_wps = gv_max_threads
EXCEPTIONS
invalid_group_name = 1
internal_error = 2
pbt_env_already_initialized = 3
currently_no_resources_avail = 4
no_pbt_resources_found = 5
cant_init_different_pbt_groups = 6
OTHERS = 7.
IF sy-subrc <> 0.
* fallback to running sequentially. If SPBT_INITIALIZE fails, check transactions
* RZ12, SM50, SM21, SARFC
gv_max_threads = 1.
ENDIF.
ENDIF.
IF gv_max_threads > 1.
gv_max_threads = gv_max_threads - 1.
ENDIF.
ASSERT gv_max_threads >= 1.
IF gv_max_threads > 32.
* https://en.wikipedia.org/wiki/Amdahl%27s_law
gv_max_threads = 32.
ENDIF.
rv_threads = gv_max_threads.
ENDMETHOD.
METHOD files_local.
* serializes objects, including .abapgit.xml, apack, and takes into account local settings
add_dot_abapgit(
EXPORTING
io_dot_abapgit = io_dot_abapgit
CHANGING
ct_files = rt_files ).
add_apack(
EXPORTING
iv_package = iv_package
CHANGING
ct_files = rt_files ).
add_data(
EXPORTING
ii_data_config = ii_data_config
io_dot_abapgit = io_dot_abapgit
CHANGING
ct_files = rt_files ).
add_objects(
EXPORTING
iv_package = iv_package
io_dot_abapgit = io_dot_abapgit
is_local_settings = is_local_settings
ii_log = ii_log
it_filter = it_filter
CHANGING
ct_files = rt_files ).
ENDMETHOD.
METHOD filter_unsupported_objects.
DATA: ls_unsupported_count TYPE ty_unsupported_count,
lt_supported_types TYPE zcl_abapgit_objects=>ty_types_tt,
lt_unsupported_count TYPE ty_unsupported_count_tt.
FIELD-SYMBOLS: <ls_tadir> LIKE LINE OF ct_tadir,
<ls_unsupported_count> TYPE ty_unsupported_count.
lt_supported_types = zcl_abapgit_objects=>supported_list( ).
LOOP AT ct_tadir ASSIGNING <ls_tadir>.
CLEAR: ls_unsupported_count.
READ TABLE lt_supported_types WITH KEY table_line = <ls_tadir>-object TRANSPORTING NO FIELDS.
IF sy-subrc = 0.
CONTINUE.
ENDIF.
READ TABLE lt_unsupported_count ASSIGNING <ls_unsupported_count>
WITH TABLE KEY obj_type = <ls_tadir>-object.
IF sy-subrc <> 0.
ls_unsupported_count-obj_type = <ls_tadir>-object.
ls_unsupported_count-count = 1.
ls_unsupported_count-obj_name = <ls_tadir>-obj_name.
INSERT ls_unsupported_count INTO TABLE lt_unsupported_count ASSIGNING <ls_unsupported_count>.
ELSE.
CLEAR: <ls_unsupported_count>-obj_name.
<ls_unsupported_count>-count = <ls_unsupported_count>-count + 1.
ENDIF.
CLEAR: <ls_tadir>-object.
ENDLOOP.
IF lt_unsupported_count IS INITIAL.
RETURN.
ENDIF.
DELETE ct_tadir WHERE object IS INITIAL.
IF mi_log IS BOUND.
LOOP AT lt_unsupported_count ASSIGNING <ls_unsupported_count>.
IF <ls_unsupported_count>-count = 1.
mi_log->add_error( iv_msg = |Object type { <ls_unsupported_count>-obj_type } not supported, {
<ls_unsupported_count>-obj_name } ignored| ).
ELSE.
mi_log->add_error( iv_msg = |Object type { <ls_unsupported_count>-obj_type } not supported, {
<ls_unsupported_count>-count } objects ignored| ).
ENDIF.
ENDLOOP.
ENDIF.
ENDMETHOD.
METHOD on_end_of_task.
* this method will be called from the parallel processing, thus it must be public
DATA: lv_result TYPE xstring,
lv_path TYPE string,
lv_mess TYPE c LENGTH 200,
ls_file_item TYPE zif_abapgit_objects=>ty_serialization.
RECEIVE RESULTS FROM FUNCTION 'Z_ABAPGIT_SERIALIZE_PARALLEL'
IMPORTING
ev_result = lv_result
ev_path = lv_path
EXCEPTIONS
error = 1
system_failure = 2 MESSAGE lv_mess
communication_failure = 3 MESSAGE lv_mess
OTHERS = 4.
IF sy-subrc <> 0.
IF NOT mi_log IS INITIAL.
IF NOT lv_mess IS INITIAL.
mi_log->add_error( lv_mess ).
ELSE.
mi_log->add_error( |{ sy-msgv1 }{ sy-msgv2 }{ sy-msgv3 }{ sy-msgv3 }| ).
ENDIF.
ENDIF.
ELSE.
IMPORT data = ls_file_item FROM DATA BUFFER lv_result. "#EC CI_SUBRC
ASSERT sy-subrc = 0.
add_to_return( is_file_item = ls_file_item
iv_path = lv_path ).
ENDIF.
mv_free = mv_free + 1.
ENDMETHOD.
METHOD run_parallel.
DATA: lv_msg TYPE c LENGTH 100,
lv_free LIKE mv_free.
ASSERT mv_free > 0.
DO.
CALL FUNCTION 'Z_ABAPGIT_SERIALIZE_PARALLEL'
STARTING NEW TASK iv_task
DESTINATION IN GROUP mv_group
CALLING on_end_of_task ON END OF TASK
EXPORTING
iv_obj_type = is_tadir-object
iv_obj_name = is_tadir-obj_name
iv_devclass = is_tadir-devclass
iv_language = iv_language
iv_path = is_tadir-path
iv_serialize_master_lang_only = mv_serialize_master_lang_only
EXCEPTIONS
system_failure = 1 MESSAGE lv_msg
communication_failure = 2 MESSAGE lv_msg
resource_failure = 3
OTHERS = 4.
IF sy-subrc = 3.
lv_free = mv_free.
WAIT UNTIL mv_free <> lv_free UP TO 1 SECONDS.
CONTINUE.
ELSEIF sy-subrc <> 0.
ASSERT lv_msg = '' AND 0 = 1.
ENDIF.
EXIT.
ENDDO.
mv_free = mv_free - 1.
ENDMETHOD.
METHOD run_sequential.
DATA: lx_error TYPE REF TO zcx_abapgit_exception,
ls_file_item TYPE zif_abapgit_objects=>ty_serialization.
ls_file_item-item-obj_type = is_tadir-object.
ls_file_item-item-obj_name = is_tadir-obj_name.
ls_file_item-item-devclass = is_tadir-devclass.
TRY.
ls_file_item = zcl_abapgit_objects=>serialize(
is_item = ls_file_item-item
iv_serialize_master_lang_only = mv_serialize_master_lang_only
it_translation_langs = mt_translation_langs
iv_language = iv_language ).
add_to_return( is_file_item = ls_file_item
iv_path = is_tadir-path ).
CATCH zcx_abapgit_exception INTO lx_error.
IF NOT mi_log IS INITIAL.
mi_log->add_exception(
ix_exc = lx_error
is_item = ls_file_item-item ).
ENDIF.
ENDTRY.
ENDMETHOD.
METHOD serialize.
* serializes only objects
DATA: lv_max TYPE i,
li_progress TYPE REF TO zif_abapgit_progress,
lt_tadir TYPE zif_abapgit_definitions=>ty_tadir_tt.
FIELD-SYMBOLS: <ls_tadir> LIKE LINE OF it_tadir.
CLEAR mt_files.
lv_max = determine_max_threads( iv_force_sequential ).
mv_free = lv_max.
mi_log = ii_log.
lt_tadir = it_tadir.
filter_unsupported_objects( CHANGING ct_tadir = lt_tadir ).
li_progress = zcl_abapgit_progress=>get_instance( lines( lt_tadir ) ).
LOOP AT lt_tadir ASSIGNING <ls_tadir>.
li_progress->show(
iv_current = sy-tabix
iv_text = |Serialize { <ls_tadir>-obj_name }, { lv_max } threads| ).
IF lv_max = 1.
run_sequential(
is_tadir = <ls_tadir>
iv_language = iv_language ).
ELSE.
run_parallel(
is_tadir = <ls_tadir>
iv_task = |{ sy-tabix }|
iv_language = iv_language ).
WAIT UNTIL mv_free > 0 UP TO 120 SECONDS.
ENDIF.
ENDLOOP.
WAIT UNTIL mv_free = lv_max UP TO 120 SECONDS.
rt_files = mt_files.
FREE mt_files.
ENDMETHOD.
ENDCLASS.