Parser um Medifules erweitert

This commit is contained in:
2026-09-08 15:52:25 +02:00
parent 01f654e63c
commit 5b0fdcc403
+373 -233
View File
@@ -1,246 +1,386 @@
**free
//========================================================================
**FREE
//=====================================================================
//
// Media Definition Parser
//
// Parses TAPE0200 data returned by QSRRTVMD.
//
//
//
//
//==========================================================================
//=====================================================================
ctl-opt
option(*srcstmt:*nodebugio) nomain;
option(*srcstmt:*nodebugio) nomain;
/COPY './meddfn_h.rpgle'
/COPY './meddfnap_h.rpgle'
// /COPY GOSCH1/MEDDFN,MEDDFN_H
// /COPY GOSCH1/MEDDFN,MEDDFNAP_H
//=====================================================================
//
// Prototype
//
//=====================================================================
dcl-pr MD_ParseRetrieveBuffer;
ReceiverBuffer
ReceiverBuffer
char(32767) const
options(*varsize);
MediaDefinition
likeds(MD_MediaDefinition_T);
MediaDefinition
likeds(MD_MediaDefinition_T);
end-pr;
//=====================================================================
//
// MD_ParseRetrieveBuffer
//
// Parses a retrieved TAPE0200 buffer.
//
// Currently supported:
// - TAPE0200 header
// - TAPE0200 device definitions
//
//=====================================================================
//=====================================================================
//
// MD_ParseRetrieveBuffer
//
// Parses a retrieved TAPE0200 buffer.
//
// Supported:
//
// - TAPE0200 Header
// - Device Definitions
// - Media File Definitions
// - Volume Identifier Arrays
//
//=====================================================================
dcl-proc MD_ParseRetrieveBuffer;
dcl-pi *n;
MediaDefinition
likeds(MD_MediaDefinition_T);
end-pi;
dcl-ds Header ReceiverBuffer
char(32767) const
options(*varsize);
likeds(MD_Tape0200Header_T);
dcl-ds Device
likeds(MD_Tape0200DeviceDefinition_T);
dcl-ds MediaFile
likeds(MD_Tape0200MediaFileDefinition_T);
dcl-s MediaOffset int(10);
dcl-s DeviceOffset int(10);
dcl-s DeviceIndex int(10);
//---------------------------------------------------------------
// Initialize result
//---------------------------------------------------------------
clear MediaDefinition;
//---------------------------------------------------------------
// TAPE0200 Header
//---------------------------------------------------------------
Header =
%subst(
ReceiverBuffer :
1 :
%size(Header));
//---------------------------------------------------------------
// Header -> Media Definition
//---------------------------------------------------------------
MediaDefinition.MaximumParallelResources =
Header.MaximumParallelDeviceResources;
MediaDefinition.MinimumParallelResources =
Header.MinimumParallelDeviceResources;
MediaDefinition.NumberOfDevices =
Header.NumberOfDeviceDefinitions;
MediaDefinition.DeviceAllocation =
Header.DeviceAllocation;
MediaDefinition.SaveFormat =
Header.SaveFormat;
//---------------------------------------------------------------
// Device Definitions
//---------------------------------------------------------------
DeviceOffset =
Header.OffsetToFirstDeviceDefinition;
for DeviceIndex = 1
to Header.NumberOfDeviceDefinitions;
Device =
%subst(
ReceiverBuffer :
DeviceOffset + 1 :
%size(Device));
//------------------------------------------------------------
// Device -> Media Definition
//------------------------------------------------------------
MediaDefinition.Device(DeviceIndex).DeviceName =
Device.DeviceName;
MediaDefinition.Device(DeviceIndex).NumberOfMediaFiles =
Device.NumberOfMediaFileDefinitions;
//---------------------------------------------------------------
// First Media File
//---------------------------------------------------------------
if Device.NumberOfMediaFileDefinitions > 0;
MediaOffset =
Device.OffsetToFirstMediaFileDefinition;
MediaFile =
%subst(
ReceiverBuffer :
MediaOffset + 1 :
%size(MediaFile));
//------------------------------------------------------------
// Media File -> Media Definition
//------------------------------------------------------------
MediaDefinition.Device(DeviceIndex)
.MediaFile(1)
.SequenceNumber =
MediaFile.SequenceNumber;
MediaDefinition.Device(DeviceIndex)
.MediaFile(1)
.StartingPositionInFile =
MediaFile.StartingPositionInFile;
MediaDefinition.Device(DeviceIndex)
.MediaFile(1)
.NumberOfVolumeIdentifiers =
MediaFile.NumberOfVolumeIdentifiers;
endif;
//------------------------------------------------------------
// Next device
//------------------------------------------------------------
if Device.OffsetToNextDeviceDefinition > 0;
DeviceOffset +=
Device.OffsetToNextDeviceDefinition;
endif;
endfor;
end-proc;
//=====================================================================
//
// MD_RetrieveMediaDefinition
//
// Retrieves a TAPE0200 media definition from IBM i.
//
//=====================================================================
dcl-proc MD_RetrieveMediaDefinition export;
dcl-pi *n;
dcl-pi *n;
ReceiverBuffer
char(32767) const
options(*varsize);
MediaDefinition
likeds(MD_MediaDefinition_T);
end-pi;
dcl-ds QualifiedObject
likeds(MD_QualifiedObjectName_T);
dcl-ds Receiver
likeds(MD_ApiReceiverBuffer_T);
dcl-ds ApiError
likeds(MD_APIError_T);
dcl-s ReceiverLength int(10);
//---------------------------------------------------------------
// Qualified media definition name
//---------------------------------------------------------------
QualifiedObject.ObjectName =
MediaDefinition.MediaDefinitionName;
QualifiedObject.LibraryName =
MediaDefinition.LibraryName;
//---------------------------------------------------------------
// Initialize receiver buffer and error structure
//---------------------------------------------------------------
clear Receiver;
clear ApiError;
ApiError.BytesProvided =
%size(ApiError);
ReceiverLength = %size(Receiver.Data);
//---------------------------------------------------------------
// Retrieve TAPE0200 definition
//---------------------------------------------------------------
QSRRTVMD(
QualifiedObject :
Receiver.Data :
ReceiverLength :
'TAPE0200' :
ApiError);
//---------------------------------------------------------------
// Check API error
//---------------------------------------------------------------
if ApiError.BytesAvailable > 0;
// zun�chst nur Fehler zur�ckgeben/anzeigen
endif;
// MD_CheckApiError(ApiError);
end-proc;
likeds(MD_MediaDefinition_T);
end-pi;
//==================================================================
// TAPE0200 structures
//==================================================================
dcl-ds Header
likeds(MD_Tape0200Header_T);
dcl-ds Device
likeds(MD_Tape0200DeviceDefinition_T);
dcl-ds MediaFile
likeds(MD_Tape0200MediaFileDefinition_T);
//==================================================================
// Working variables
//==================================================================
dcl-s DeviceOffset
int(10);
dcl-s MediaOffset
int(10);
dcl-s VolumeOffset
int(10);
dcl-s DeviceIndex
int(10);
dcl-s MediaIndex
int(10);
dcl-s VolumeIndex
int(10);
//==================================================================
// Initialize result
//==================================================================
clear MediaDefinition;
//==================================================================
// TAPE0200 Header
//==================================================================
Header =
%subst(
ReceiverBuffer :
1 :
%size(Header));
//==================================================================
// Header -> Media Definition
//==================================================================
MediaDefinition.MaximumParallelResources =
Header.MaximumParallelDeviceResources;
MediaDefinition.MinimumParallelResources =
Header.MinimumParallelDeviceResources;
MediaDefinition.NumberOfDevices =
Header.NumberOfDeviceDefinitions;
MediaDefinition.DeviceAllocation =
Header.DeviceAllocation;
MediaDefinition.SaveFormat =
Header.SaveFormat;
//==================================================================
// Device Definitions
//==================================================================
DeviceOffset =
Header.OffsetToFirstDeviceDefinition;
for DeviceIndex = 1
to Header.NumberOfDeviceDefinitions;
//---------------------------------------------------------------
// Read Device Definition
//---------------------------------------------------------------
Device =
%subst(
ReceiverBuffer :
DeviceOffset + 1 :
%size(Device));
//---------------------------------------------------------------
// Device -> Media Definition
//---------------------------------------------------------------
MediaDefinition.Device(DeviceIndex).DeviceName =
Device.DeviceName;
MediaDefinition.Device(DeviceIndex).NumberOfMediaFiles =
Device.NumberOfMediaFileDefinitions;
//---------------------------------------------------------------
// Media Files
//---------------------------------------------------------------
if Device.NumberOfMediaFileDefinitions > 0;
// OffsetToFirstMediaFileDefinition is relative
// to the Device Definition.
MediaOffset =
DeviceOffset
+ Device.OffsetToFirstMediaFileDefinition;
for MediaIndex = 1
to Device.NumberOfMediaFileDefinitions;
//----------------------------------------------------------
// Read Media File Definition
//----------------------------------------------------------
MediaFile =
%subst(
ReceiverBuffer :
MediaOffset + 1 :
%size(MediaFile));
//----------------------------------------------------------
// Media File -> Media Definition
//----------------------------------------------------------
MediaDefinition.Device(DeviceIndex)
.MediaFile(MediaIndex)
.SequenceNumber =
MediaFile.SequenceNumber;
MediaDefinition.Device(DeviceIndex)
.MediaFile(MediaIndex)
.StartingPositionInFile =
MediaFile.StartingPositionInFile;
MediaDefinition.Device(DeviceIndex)
.MediaFile(MediaIndex)
.NumberOfVolumeIdentifiers =
MediaFile.NumberOfVolumeIdentifiers;
//----------------------------------------------------------
// Volume Identifier Array
//----------------------------------------------------------
if MediaFile.NumberOfVolumeIdentifiers > 0;
VolumeOffset =
MediaFile.OffsetToVolumeIdentifierArray;
for VolumeIndex = 1
to MediaFile.NumberOfVolumeIdentifiers;
MediaDefinition.Device(DeviceIndex)
.MediaFile(MediaIndex)
.VolumeIdentifier(VolumeIndex)
.VolumeIdentifier =
%subst(
ReceiverBuffer :
VolumeOffset
+ ((VolumeIndex - 1)
* MediaFile.LengthOfVolumeIdentifier)
+ 1 :
MediaFile.LengthOfVolumeIdentifier);
endfor;
endif;
//----------------------------------------------------------
// Next Media File
//----------------------------------------------------------
if MediaIndex
< Device.NumberOfMediaFileDefinitions;
if MediaFile.OffsetToNextMediaFileDefinition > 0;
MediaOffset =
MediaFile.OffsetToNextMediaFileDefinition;
endif;
endif;
endfor;
endif;
//================================================================
// Next Device
//================================================================
if Device.OffsetToNextDeviceDefinition > 0;
DeviceOffset +=
Device.OffsetToNextDeviceDefinition;
endif;
endfor;
end-proc;
//=====================================================================
//
// MD_RetrieveMediaDefinition
//
// Retrieves a TAPE0200 media definition from IBM i.
//
//=====================================================================
dcl-proc MD_RetrieveMediaDefinition export;
dcl-pi *n;
MediaDefinition
likeds(MD_MediaDefinition_T);
end-pi;
dcl-ds QualifiedObject
likeds(MD_QualifiedObjectName_T);
dcl-ds Receiver
likeds(MD_ApiReceiverBuffer_T);
dcl-ds ApiError
likeds(MD_APIError_T);
dcl-s ReceiverLength
int(10);
//==================================================================
// Qualified media definition name
//==================================================================
QualifiedObject.ObjectName =
MediaDefinition.MediaDefinitionName;
QualifiedObject.LibraryName =
MediaDefinition.LibraryName;
//==================================================================
// Initialize receiver buffer and error structure
//==================================================================
clear Receiver;
clear ApiError;
ApiError.BytesProvided =
%size(ApiError);
ReceiverLength =
%size(Receiver.Data);
//==================================================================
// Retrieve TAPE0200 definition
//==================================================================
QSRRTVMD(
QualifiedObject :
Receiver.Data :
ReceiverLength :
'TAPE0200' :
ApiError);
//==================================================================
// Check API error
//==================================================================
if ApiError.BytesAvailable > 0;
// API error handling will be completed separately.
endif;
//==================================================================
// Parse retrieved buffer
//==================================================================
MD_ParseRetrieveBuffer(
Receiver.Data :
MediaDefinition);
end-proc;