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API for volset read, burn_disc creation and sync. write.

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Updating of isoburn_start_emulation() to make use of new
isoburn_set_start_byte().
This commit is contained in:
Vreixo Formoso Lopes 2007-09-12 09:25:44 +00:00
parent 77e1d4042a
commit ba0e689ada
2 changed files with 51 additions and 10 deletions
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9
libisoburn/isofs_wrap.c
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@ -134,16 +134,11 @@ int isoburn_start_emulation(struct isoburn *o, int flag)
/* ok, PVM found, set size */
size = (off_t) iso_read_lsb(pvm->vol_space_size, 4);
size *= (off_t) 2048; /* block size in bytes */
// TODO where I get the struct burn_write_opts * from?
// why that function doesn't receive a struct isoburn
isoburn_write_opts_set_start_byte(XXXXXX, size);
isoburn_set_start_byte(o, size, 0);
} else if (!strncmp((char*)pvm->std_identifier, "CDXX1", 5)) {
/* empty image */
// TODO where I get the struct burn_write_opts * from?
// why that function doesn't receive a struct isoburn
isoburn_write_opts_set_start_byte(XXXXXX, (off_t) 0);
isoburn_set_start_byte(o, (off_t) 0, 0);
} else {
// TODO not valid iso image
// should this be an error?

52
libisoburn/libisoburn.h
View File

@ -84,6 +84,28 @@ int isoburn_disc_erasable(struct burn_drive *d);
*/
void isoburn_disc_erase(struct burn_drive *drive, int fast);
/**
* Options for image reading.
*/
struct isoburn_read_opts {
unsigned int norock:1; /*< Do not read Rock Ridge extensions */
unsigned int nojoliet:1; /*< Do not read Joliet extensions */
unsigned int preferjoliet:1;
/*< When both Joliet and RR extensions are present, the RR
* tree is used. If you prefer using Joliet, set this to 1. */
uid_t uid; /**< Default uid when no RR */
gid_t gid; /**< Default uid when no RR */
mode_t mode; /**< Default mode when no RR (only permissions) */
/* modified by the function isoburn_read_volset */
unsigned int hasRR:1; /*< It will be set to 1 if RR extensions are present,
to 0 if not. */
unsigned int hasJoliet:1; /*< It will be set to 1 if Joliet extensions are
present, to 0 if not. */
uint32_t size; /**< Will be filled with the size (in 2048 byte block) of
* the image, as reported in the PVM. */
};
/** Load the ISO filesystem directory tree from the media in the given drive.
This will give libisoburn the base on which it can let libisofs perform
@ -91,10 +113,18 @@ void isoburn_disc_erase(struct burn_drive *drive, int fast);
to the drive object and is not publicly available.
Not a wrapper, but peculiar to libisoburn.
@param d The drive which holds an existing IOS filesystem
@read_opts The read options which can be chosen by the application
>>> data type and attributes not defined yet
@param read_opts The read options which can be chosen by the application
@param volset the volset that represents the image, or NULL if the image is
empty.
<<<<< What about return a volset without file if image is
empty <<<<<<<<<
@return <=0 error , 1 = success
>>>>> error means damaged or unsupported image
error code is stored in ecma119_read_opts in libisofs
also error msgs are enqueued. Any need to pass them to usr? <<<<<<
*/
int isoburn_read_volset(struct burn_drive *d, void *read_opts);
int isoburn_read_volset(struct burn_drive *d, struct isoburn_read_opts *read_opts,
struct iso_volset **volset);
/** Obtain the start block number of the most recent session on media. In
@ -114,6 +144,12 @@ int isoburn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
int trackno, int *lba, int *nwa);
/** Prepare a disc for writting the new session.
@param disc A burn_disc suitable to pass to isoburn_disc_write.
@return <=0 error , 1 = success
*/
int isoburn_prepare_disc(struct burn_drive *d, struct burn_disc **disc);
/** Start writing of the new session.
This call is asynchrounous. I.e. it returns quite soon and the progress has
to be watched by a loop with call burn_drive_get_status() until
@ -130,6 +166,16 @@ void isoburn_disc_write(struct burn_write_opts *o, struct burn_disc *disc);
*/
int isoburn_activate_session(struct burn_drive *drive);
/** Write a new session to a disc.
This is a synchrounous call equivalent to isoburn_prepare_disc +
isoburn_disc_write + isoburn_activate_session
@param pacifier_func If not NULL: a function to produce appeasing messages.
See burn_abort_pacifier() in libburn.h for an example.
*/
int isoburn_perform_write(struct burn_write_opts *o,
int (*pacifier_func)(void *handle, int patience,
int elapsed));
/** Release an aquired drive.
Wrapper for: burn_drive_release()