demo.c

This package contains the following source code files: - demo.c Demo application sourc

//
// DL ISO8583 library demo
//

#include "dl_iso8583.h"
#include "dl_iso8583_defs_1993.h"
#include "dl_output.h" // for 'DL_OUTPUT_Hex'



int main ( void )
{
	DL_ISO8583_HANDLER isoHandler;
	DL_ISO8583_MSG     isoMsg;
	DL_UINT8           packBuf[1000];
	DL_UINT16          packedSize;

	/* get ISO-8583 1993 handler */
	DL_ISO8583_DEFS_1993_GetHandler(&isoHandler);

    //
    // Populate/Pack message
    //

	/* initialise ISO message */
	DL_ISO8583_MSG_Init(NULL,0,&isoMsg); 

	/* set ISO message fields */
	(void)DL_ISO8583_MSG_SetField_Str(0,"1234",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(2,"1234567890123456",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(4,"5699",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(11,"234",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(39,"4",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(41,"12345",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(42,"678901234",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(125,"BLAH BLAH",&isoMsg);
	(void)DL_ISO8583_MSG_SetField_Str(126,"BAR",&isoMsg);

	/* output ISO message content */
	DL_ISO8583_MSG_Dump(stdout,NULL,&isoHandler,&isoMsg);

	/* pack ISO message */
	(void)DL_ISO8583_MSG_Pack(&isoHandler,&isoMsg,packBuf,&packedSize);

	/* free ISO message */
	DL_ISO8583_MSG_Free(&isoMsg);

	/* output packed message (in hex) */
	DL_OUTPUT_Hex(stdout,NULL,packBuf,packedSize);

	//
	// Unpack message
	//

	/* initialise ISO message */
	DL_ISO8583_MSG_Init(NULL,0,&isoMsg);

	/* unpack ISO message */
	(void)DL_ISO8583_MSG_Unpack(&isoHandler,packBuf,packedSize,&isoMsg);

	/* output ISO message content */
	DL_ISO8583_MSG_Dump(stdout,NULL,&isoHandler,&isoMsg);

	/* free ISO message */
	DL_ISO8583_MSG_Free(&isoMsg);

	return 0;
}