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/************************************************************************/
/* */
/* Simple io streams: Duplicate the stream to another one: Usually */
/* for debugging purposes. */
/* */
/************************************************************************/
# include "appUtilConfig.h"
# include <stdlib.h>
# include "sioDebug.h"
# include <appDebugon.h>
/************************************************************************/
/* */
/* Duplicate input to logging. */
/* */
/************************************************************************/
static int sioDebugClose( void * voids )
{
if ( voids )
{ free( voids ); }
return 0;
}
typedef struct DebugedInputStream
{
SimpleInputStream * disSisIn;
int disExhausted;
} DebugedInputStream;
static int sioInDebugReadBytes( void * voiddis,
unsigned char * buffer,
int count )
{
DebugedInputStream * dis= (DebugedInputStream *)voiddis;
int done= 0;
if ( dis->disExhausted )
{ LDEB(dis->disExhausted); return -1; }
while( done < count )
{
int got;
got= sioInReadBytes( dis->disSisIn, buffer, count- done );
if ( got <= 0 )
{ dis->disExhausted= 1; break; }
appDebug( "%*s", got, buffer );
done += got;
buffer += got;
}
return done;
}
SimpleInputStream * sioInDebugOpen( SimpleInputStream * sisIn )
{
SimpleInputStream * sis;
DebugedInputStream * dis;
dis= malloc( sizeof(DebugedInputStream) );
if ( ! dis )
{ XDEB(dis); return (SimpleInputStream *)0; }
dis->disSisIn= sisIn;
dis->disExhausted= 0;
sis= sioInOpen( (void *)dis, sioInDebugReadBytes, sioDebugClose );
if ( ! sis )
{ XDEB(sis); free( dis ); return (SimpleInputStream *)0; }
return sis;
}
/************************************************************************/
/* */
/************************************************************************/
typedef struct DebuggingOutputStream
{
SimpleOutputStream * dosSosOut;
} DebuggingOutputStream;
static int sioOutDebugWriteBytes( void * voiddos,
const unsigned char * buffer,
int count )
{
DebuggingOutputStream * dos= (DebuggingOutputStream *)voiddos;
int i;
for ( i= 0; i < count; i++ )
{ appDebug( "%c", buffer[i] ); }
if ( dos->dosSosOut )
{ return sioOutWriteBytes( dos->dosSosOut, buffer, count ); }
else{ return count; }
}
SimpleOutputStream * sioOutDebugOpen( SimpleOutputStream * sosOut )
{
SimpleOutputStream * sos;
DebuggingOutputStream * dos;
dos= malloc( sizeof(DebugedInputStream) );
if ( ! dos )
{ XDEB(dos); return (SimpleOutputStream *)0; }
dos->dosSosOut= sosOut;
sos= sioOutOpen( (void *)dos, sioOutDebugWriteBytes,
(SIOoutSEEK)0, sioDebugClose );
if ( ! sos )
{ XDEB(sos); free( dos ); return (SimpleOutputStream *)0; }
return sos;
}
/************************************************************************/
/* */
/* Return a simple output stream to the debug log. */
/* */
/************************************************************************/
SimpleOutputStream * sioOutAppDebugOpen()
{
SimpleOutputStream * sos;
DebuggingOutputStream * dos;
dos= malloc( sizeof(DebugedInputStream) );
if ( ! dos )
{ XDEB(dos); return (SimpleOutputStream *)0; }
dos->dosSosOut= (SimpleOutputStream *)0;
sos= sioOutOpen( (void *)dos, sioOutDebugWriteBytes,
(SIOoutSEEK)0, sioDebugClose );
if ( ! sos )
{ XDEB(sos); free( dos ); return (SimpleOutputStream *)0; }
return sos;
}
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