static int ptpfs_open(struct inode *ino, struct file *filp)
{
//printk(KERN_INFO "%s flags: %X\n", __FUNCTION__, filp->f_flags);
struct ptp_data_buffer *data=(struct ptp_data_buffer*)kmalloc(sizeof(struct ptp_data_buffer), GFP_KERNEL);
int retval;
memset(data,0,sizeof(struct ptp_data_buffer));
switch (filp->f_flags & O_ACCMODE)
{
case O_RDWR:
return -EFAULT;
case O_RDONLY:
retval = ptp_getobject(PTPFSSB(ino->i_sb),ino->i_ino,data);
if (retval == PTP_RC_OK)
{
filp->private_data = data;
return 0;
}
break;
case O_WRONLY:
filp->private_data = data;
return 0;
}
kfree(data);
return -EFAULT;
}
/**
* Gets a MTP object from the device.
*
* @param device a pointer to the device.
* @param handle the handle of the object.
* @param p_meta a metadata structure to create for the object.
* Dynamically allocated.
* @param p_data a pointer to the data to recieve.
* Dynamically allocated.
*/
void VitaMTP_GetObject(LIBMTP_mtpdevice_t *device, uint32_t handle, metadata_t** p_meta, unsigned char** p_data){
MTPProperties* props = NULL;
int nProps = 0;
int i = 0;
unsigned char* data = NULL;
metadata_t* meta = NULL;
VitaMTP_GetObjectPropList(device, handle, &props, &nProps);
ptp_getobject((PTPParams*)device->params, handle, &data);
meta = (metadata_t*)malloc(sizeof(metadata_t));
memset(meta, 0x0, sizeof(metadata_t));
for(i=0; i<nProps; i++){
// [u16]property [u16]datatype [u32]handle data
if(props[i].property == PTP_OPC_ObjectFormat){
if(props[i].propval.u16 == PTP_OFC_Association){
meta->dataType = Folder;
}else{
meta->dataType = File;
}
}
if(meta->dataType == File){
if(props[i].property == PTP_OPC_ObjectSize){
meta->size = props[i].propval.u64;
}
}
if(props[i].property == PTP_OPC_ObjectFileName){
meta->title = malloc(strlen(props[i].propval.str)+1);
meta->data.file.name = malloc(strlen(props[i].propval.str)+1);
strcpy(meta->title, props[i].propval.str);
strcpy(meta->data.file.name, props[i].propval.str);
if(strchr(meta->title, '.')){
strchr(meta->title, '.')[0] = 0x0;
}
}
if(props[i].property == PTP_OPC_DateModified){
meta->dateTimeCreated = ptp_unpack_MTPTime(props[i].propval.str);
}
}
free(props);
*p_meta = meta;
*p_data = data;
}
