Inbound Processing: Technical Background (SAP Library - IDoc Interface / Electronic Data Interchange (BC-SRV-EDI))

Inbound Processing: Technical Background

The IDocs are received by various function modules or reports, depending on the inbound port. The table below provides an overview and shows the interface (reference fields or structures, import parameters). Table parameters (call by reference) are marked separately.

The function module IDOC_INBOUND_WRITE_TO_DB is responsible for saving the data to the database. The function module also uses the process code to determine whether processing by ALE services is to take place.

The IDocs are then transferred to the application function module by IDOC_START_INBOUND. In all cases, except those in which the IDocs are transferred via the tRFC port, a workflow event is triggered which, in turn, triggers standard task TS30200090.

IDOC_START_INBOUND starts a workflow or a function module. This decision is also controlled via the inbound process code.

Table: Inbound function modules depending on port type

Port type: Function module/ report	Formal parameters: Import, export (e), int. table (iT)	Reference field/ Structure	Comments
File: EDI_DATA_INCOMING	path name port	EDI_PATH-PTHNAM EDIPO-PORT
tRFC: INBOUND_IDOC_PROCESS	idoc_control (iT) idoc_data (iT)	EDI_DC EDI_DD	Function module for short names (before Release 4.0)
tRFC: IDOC_INBOUND_ASYNCHRONOUS	idoc_control_rec_40 idoc_data_rec_40	EDI_DC40 EDI_DD40	Function module, Rel. 4.0 (long names)
CPI-C (R/2 System): RSEINB10	p_myport (Port in R/3 Sys.)	EDIIO-PORT	Report to be scheduled as job
Internet: SX_OBJECT_RECEIVE (SAPconnect)	receive_info document_data system_data receivers (iT) packing_list (iT) object_header (iT) contents_bin (iT) contents_txt (iT) object_para (iT) object_parb (iT)	SXRECINFI1 SXDOCCHGI1 SXSYSDATI1 SXEXTRECI1 SXPCKLSTI1 SOLISTI1 SXLISTI1 SOLISTI1 SOPARAI1 SOPARBI2	Info about sender Document properties Recipient Info about data tables Special header Binary document content ASCII document content (Set/get parameters) (Fields, values for processing)
Synchronous RFC: IDOC_INBOUND_SYNCHRONOUS	int_edidc online docnum error_before_call_application int_edidd (iT)	EDI_DC EDI_HELP-ONL_OPTION EDIDC-DOCNUM EDI_HELP-ERROR_FLAG EDI_DD		Function module for short names (before Release 4.0)
IDOC_INBOUND_SINGLE	pi_idoc_control_rec_40 pi_do_commit pe_idoc_number (e) pe_error_prior_to_application pt_idoc_data_records_40 (iT)	EDI_DC40 EDI_HELP-DO_COMMIT EDIDC-DOCNUM EDI_HELP-ERROR_FLAG EDI_DD40		Function module for Release 4.0 (long names)