int Ge::get_ldhses_cb( void *ctx, ldh_tSesContext *ldhses, int load)
{
#if LDH
Ge *gectx = (Ge *) ctx;
ldh_tWBContext wbctx;
int sts;
pwr_tVolumeId volid = 0;
pwr_tClassId classid;
ldh_tVolContext volctx;
if ( gectx->ldhses) {
*ldhses = gectx->ldhses;
return 1;
}
else if ( !load)
return 0;
else {
// Open workbench and attatch some volume
sts = ldh_OpenWB( &wbctx, 0, 0);
if ( EVEN(sts)) return sts;
// Attach first rootvolume, or if no rootvolume exist some other volume
sts = ldh_GetVolumeList( wbctx, &volid);
while ( ODD(sts)) {
sts = ldh_GetVolumeClass( wbctx, volid, &classid);
if ( EVEN(sts)) return sts;
if ( classid == pwr_eClass_RootVolume)
break;
sts = ldh_GetNextVolume( wbctx, volid, &volid);
}
if ( volid == 0) return sts;
// Open ldh session
sts = ldh_AttachVolume( wbctx, volid, &volctx);
if ( EVEN(sts)) return sts;
sts = ldh_OpenSession( ldhses, volctx, ldh_eAccess_ReadWrite,
ldh_eUtility_Pwr);
if ( EVEN(sts)) return sts;
}
return 1;
#else
return 0;
#endif
}
int Cmd::attach_volume_cb( void *ctx,
pwr_tVolumeId volid,
int pop)
{
Cmd *cmd = (Cmd *) ctx;
int sts;
pwr_tVolumeId vid;
pwr_tClassId classid;
if ( cmd->ldhses)
{
// cmd->wnav->message( 'E', "Other volume is already attached");
return WNAV__VOLATTACHED;
}
if ( !cmd->wbctx)
{
sts = get_wbctx( (void *)cmd, &cmd->wbctx);
if ( EVEN(sts)) return sts;
}
if ( volid == 0)
{
if ( cmd_volume_p != 0) {
// Attach argument volume
sts = ldh_VolumeNameToId( cmd->wbctx, cmd_volume_p, &volid);
}
if ( cmd_volume_p == 0 || EVEN(sts)) {
// Attach first rootvolume, or if no rootvolume exist some other volume
sts = ldh_GetVolumeList( cmd->wbctx, &vid);
while ( ODD(sts)) {
volid = vid;
sts = ldh_GetVolumeClass( cmd->wbctx, vid, &classid);
if ( EVEN(sts)) return sts;
if ( classid == pwr_eClass_RootVolume)
break;
sts = ldh_GetNextVolume( cmd->wbctx, vid, &vid);
}
if ( volid == 0) return sts;
}
}
cmd->volid = volid;
// Open ldh session
sts = ldh_AttachVolume( cmd->wbctx, cmd->volid, &cmd->volctx);
if ( EVEN(sts)) return sts;
sts = ldh_OpenSession( &cmd->ldhses,
cmd->volctx,
ldh_eAccess_ReadWrite,
ldh_eUtility_Pwr);
if ( EVEN(sts)) {
// Try read access
sts = ldh_OpenSession( &cmd->ldhses,
cmd->volctx,
ldh_eAccess_ReadOnly,
ldh_eUtility_Pwr);
if ( EVEN(sts)) return sts;
}
cmd->wnav->volume_attached( cmd->wbctx, cmd->ldhses, pop);
return 1;
}
