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New API calls iso_write_opts_attach_jte() and iso_write_opts_detach_jte()

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This commit is contained in:
Thomas Schmitt 2010-09-28 12:12:33 +02:00
parent 8725baa55f
commit b0c79a9a1e
4 changed files with 152 additions and 171 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
bzr branch lp:libisofs/for-libisoburn (to become libisofs-0.6.38.tar.gz)
===============================================================================
* New API calls iso_write_opts_attach_jte() and iso_write_opts_detach_jte().
libisofs-0.6.36.tar.gz Wed Sep 15 2010
===============================================================================
* New API function iso_write_opts_set_part_offset() controls creation of

253
libisofs/ecma119.c
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@ -107,8 +107,7 @@ static int show_chunk_to_jte(Ecma119Image *target, char *buf, int count)
/* >>> What is the meaning of libjte_show_data_chunk(islast) ? */
ret = libjte_show_data_chunk(target->libjte_handle, buf, BLOCK_SIZE,
count / BLOCK_SIZE, 0,
ret = libjte_show_data_chunk(target->libjte_handle, buf, count, 1, 0,
target->bytes_written + (off_t) count == target->total_size);
if (ret <= 0)
return ISO_LIBJTE_FILE_FAILED;
@ -1357,6 +1356,99 @@ int ecma119_image_new(IsoImage *src, IsoWriteOpts *opts, Ecma119Image **img)
char *system_area = NULL;
int write_count = 0, write_count_mem;
/* ts B00927 : Provisory hardcoded test of libjte
*/
#define Libisofs_hardcoded_test_libjtE yes
#ifdef Libisofs_hardcoded_test_libjtE
/* Example: xorriso/genisoimage -J -r -o /home/steve/test1.iso \
-jigdo-jigdo /home/steve/test1.jigdo \
-jigdo-template /home/steve/test1.template \
-jigdo-min-file-size 16384 \
-jigdo-exclude "README*" \
-jigdo-force-md5 "/pool/" \
-jigdo-map Debian=/mirror/debian \
-md5-list /home/steve/md5.list \
/mirror/jigdo-test
*/
/* >>> ??? How to perform
-jigdo-force-md5 "/pool/"
*/
/* For iso_write_opts_set_jte_files() */
char *iso_path = "/home/steve/test1.iso";
char *template_path = "/home/steve/test1.template";
char *jigdo_path = "/home/steve/test1.jigdo";
char *md5_list_path = "/home/steve/md5.list";
/* For iso_write_opts_set_jte_params() */
int verbose = 0;
int min_size = 16384;
char *template_compression = "-not-yet-interpreted-";
char *template_checksums = "-not-yet-interpreted-";
char *jigdo_checksums = "-not-yet-interpreted-";
/* For iso_write_opts_add_jte_exclude() */
char *exclude_pattern = "README*";
/* For iso_write_opts_add_jte_mapping() */
char *mapping = "Debian=/mirror/debian";
struct libjte_env *jte_handle = NULL;
/* My own setup uses different file names :
The mapping is for: xorriso -map /u/test/cdrskin-0.7.2 /
*/
iso_path = "/home/test/test_jte.iso";
template_path = "/home/test/test_jte.template";
jigdo_path = "/home/test/test_jte.jigdo";
mapping = "Debian=/home/test/cdrskin-0.7.2";
/* >>> ??? Where to get the md5 list ? */
md5_list_path = NULL;
/* This is quite some memory leak:
- Throwing away eventual jte_handle of opts
- Not taking care of destroying the new one
*/
ret = libjte_new(&jte_handle, 0);
if (ret <= 0 || jte_handle == NULL)
return ISO_OUT_OF_MEM;
iso_write_opts_attach_jte(opts, jte_handle);
if (libjte_set_outfile(jte_handle, iso_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_template_out(jte_handle, template_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_jjigdo_out(jte_handle, jigdo_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_jmd5_list(jte_handle, md5_list_path) <= 0)
return ISO_OUT_OF_MEM;
libjte_set_verbose(jte_handle, verbose);
libjte_set_jte_min_size(jte_handle, min_size);
if (libjte_set_checksum_algo_iso(jte_handle, jigdo_checksums) <= 0)
return ISO_LIBJTE_START_FAILED;
if (libjte_set_checksum_algo_tmpl(jte_handle, template_checksums) <= 0)
return ISO_LIBJTE_START_FAILED;
if (libjte_set_jte_template_compression(jte_handle, template_compression)
<= 0)
return ISO_LIBJTE_START_FAILED;
if (libjte_add_exclude(jte_handle, exclude_pattern) <= 0)
return ISO_LIBJTE_START_FAILED;
if (libjte_add_mapping(jte_handle, mapping) <= 0)
return ISO_LIBJTE_START_FAILED;
#endif /* Libisofs_hardcoded_test_libjtE */
/* 1. Allocate target and copy opts there */
target = calloc(1, sizeof(Ecma119Image));
if (target == NULL) {
@ -1499,9 +1591,19 @@ int ecma119_image_new(IsoImage *src, IsoWriteOpts *opts, Ecma119Image **img)
target->opts_overwrite = NULL;
#ifdef Libisofs_with_libjtE
target->libjte_handle = opts->libjte_handle;
#endif /* Libisofs_with_libjtE */
/* Eventually start Jigdo Template Extraction */
target->libjte_handle = NULL;
if (opts->libjte_handle != NULL) {
target->libjte_handle = opts->libjte_handle;
ret = libjte_write_header(target->libjte_handle);
if (ret <= 0) {
ret = ISO_LIBJTE_START_FAILED;
goto target_cleanup;
}
}
#endif /* Libisofs_with_libjtE */
/*
* 2. Based on those options, create needed writers: iso, joliet...
@ -1783,20 +1885,6 @@ int ecma119_image_new(IsoImage *src, IsoWriteOpts *opts, Ecma119Image **img)
target->total_size = (off_t) target->vol_space_size * BLOCK_SIZE;
#ifdef Libisofs_with_libjtE
/* Eventually start Jigdo Template Extraction */
if (target->libjte_handle != NULL) {
ret = libjte_write_header(target->libjte_handle);
if (ret <= 0) {
ret = ISO_LIBJTE_START_FAILED;
goto target_cleanup;
}
}
#endif /* Libisofs_with_libjtE */
/* 4. Create and start writing thread */
if (target->md5_session_checksum) {
/* After any fake writes are done: Initialize image checksum context */
@ -2081,11 +2169,6 @@ void iso_write_opts_free(IsoWriteOpts *opts)
if (opts->system_area_data != NULL)
free(opts->system_area_data);
#ifdef Libisofs_with_libjtE
if (opts->libjte_handle != NULL)
libjte_destroy(&(opts->libjte_handle));
#endif /* Libisofs_with_libjtE */
free(opts);
}
@ -2511,137 +2594,33 @@ int iso_write_opts_set_part_offset(IsoWriteOpts *opts,
return ISO_SUCCESS;
}
static int iso_write_opts_assert_jte_handle(IsoWriteOpts *opts)
int iso_write_opts_attach_jte(IsoWriteOpts *opts, void *libjte_handle)
{
#ifdef Libisofs_with_libjtE
int ret;
if (opts->libjte_handle == NULL) {
ret = libjte_new(&(opts->libjte_handle), 0);
if (ret <= 0 || opts->libjte_handle == NULL)
return ISO_OUT_OF_MEM;
}
opts->libjte_handle = libjte_handle;
return ISO_SUCCESS;
#else
return ISO_LIBJTE_NOT_ENABLED;
#endif /* ! Libisofs_with_libjtE */
}
/* >>> documentation: mandatory are iso_path, template_path, jigdo_path
*/
int iso_write_opts_set_jte_files(IsoWriteOpts *opts, char *iso_path,
char *template_path, char *jigdo_path,
char *md5_list_path)
{
int ret;
ret = iso_write_opts_assert_jte_handle(opts);
if (ret != ISO_SUCCESS)
return ret;
#ifdef Libisofs_with_libjtE
if (libjte_set_outfile(opts->libjte_handle, iso_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_template_out(opts->libjte_handle, template_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_jjigdo_out(opts->libjte_handle, jigdo_path) <= 0)
return ISO_OUT_OF_MEM;
if (libjte_set_jmd5_list(opts->libjte_handle, md5_list_path) <= 0)
return ISO_OUT_OF_MEM;
#endif /* Libisofs_with_libjtE */
return ISO_SUCCESS;
}
/* >>> documentation : this call is not mandatory
>>> need representations for algorithm macros of libjte
*/
int iso_write_opts_set_jte_params(IsoWriteOpts *opts,
int verbose, int min_size,
char *template_compression,
char *template_checksums,
char *jigdo_checksums)
int iso_write_opts_detach_jte(IsoWriteOpts *opts, void **libjte_handle)
{
int ret;
ret = iso_write_opts_assert_jte_handle(opts);
if (ret != ISO_SUCCESS)
return ret;
#ifdef Libisofs_with_libjtE
libjte_set_verbose(opts->libjte_handle, verbose);
libjte_set_jte_min_size(opts->libjte_handle, min_size);
/* >>> Interpret template_compression , template_checksums ,
jigdo_checksums
*/;
#endif /* Libisofs_with_libjtE */
return ISO_SUCCESS;
}
int iso_write_opts_add_jte_exclude(IsoWriteOpts *opts, char *pattern)
{
int ret;
ret = iso_write_opts_assert_jte_handle(opts);
if (ret != ISO_SUCCESS)
return ret;
#ifdef Libisofs_with_libjtE
ret = libjte_add_exclude(opts->libjte_handle, pattern);
if (ret <= 0)
return ISO_OUT_OF_MEM;
*libjte_handle = opts->libjte_handle;
opts->libjte_handle = NULL;
return ISO_SUCCESS;
#else
return ISO_LIBJTE_NOT_ENABLED;
#endif /* Libisofs_with_libjtE */
return ISO_SUCCESS;
}
int iso_write_opts_add_jte_include(IsoWriteOpts *opts, char *pattern)
{
int ret;
ret = iso_write_opts_assert_jte_handle(opts);
if (ret != ISO_SUCCESS)
return ret;
#ifdef Libisofs_with_libjtE
ret = libjte_add_include(opts->libjte_handle, pattern);
if (ret <= 0)
return ISO_OUT_OF_MEM;
#endif /* Libisofs_with_libjtE */
return ISO_SUCCESS;
}
int iso_write_opts_add_jte_mapping(IsoWriteOpts *opts, char *arg)
{
int ret;
ret = iso_write_opts_assert_jte_handle(opts);
if (ret != ISO_SUCCESS)
return ret;
#ifdef Libisofs_with_libjtE
ret = libjte_add_mapping(opts->libjte_handle, arg);
if (ret <= 0)
return ISO_OUT_OF_MEM;
#endif /* Libisofs_with_libjtE */
return ISO_SUCCESS;
}

62
libisofs/libisofs.h
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@ -1848,46 +1848,42 @@ int iso_write_opts_set_part_offset(IsoWriteOpts *opts,
int secs_512_per_head, int heads_per_cyl);
/** >>> ts B00927
/**
* Associate a libjte environment object to the upcomming write run.
* libjte implements Jigdo Template Extraction as of Steve McIntyre and
* Richard Atterer.
* The call will fail if no libjte support was enabled at compile time.
* @param opts
* The option set to be manipulated.
* @param libjte_handle
* Pointer to a struct libjte_env e.g. created by libjte_new().
* It must stay existent from the start of image writing by
* iso_image_create_burn_source() until the write thread has ended.
* Mandatory are iso_path, template_path, jigdo_path.
* md5_list_path is allowed to be NULL.
* >>> ts B00928 Need a way to inquire run status independent of libburn.
* In order to keep the libisofs API identical with and without
* libjte support the parameter type is (void *).
* @return
* ISO_SUCCESS or error
*
* @since 0.6.38
*/
int iso_write_opts_set_jte_files(IsoWriteOpts *opts, char *iso_path,
char *template_path, char *jigdo_path,
char *md5_list_path);
/** >>> ts B00927
>>> need representations for algorithm macros of libjte
int iso_write_opts_attach_jte(IsoWriteOpts *opts, void *libjte_handle);
/**
* Remove eventual association to a libjte environment handle.
* The call will fail if no libjte support was enabled at compile time.
* @param opts
* The option set to be manipulated.
* @param libjte_handle
* Returns the previously set libjte handle
* @return
* ISO_SUCCESS or error
*
* @since 0.6.38
*/
int iso_write_opts_set_jte_params(IsoWriteOpts *opts,
int verbose, int min_size,
char *template_compression,
char *template_checksums,
char *jigdo_checksums);
/** >>> ts B00927
* @since 0.6.38
*/
int iso_write_opts_add_jte_exclude(IsoWriteOpts *opts, char *pattern);
/** >>> ts B00927
* @since 0.6.38
*/
int iso_write_opts_add_jte_include(IsoWriteOpts *opts, char *pattern);
/** >>> ts B00927
* @since 0.6.38
*/
int iso_write_opts_add_jte_mapping(IsoWriteOpts *opts, char *arg);
int iso_write_opts_detach_jte(IsoWriteOpts *opts, void **libjte_handle);
/**

2
libisofs/libisofs.ver
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@ -243,6 +243,8 @@ iso_tree_set_ignore_special;
iso_tree_set_replace_mode;
iso_tree_set_report_callback;
iso_util_decode_md5_tag;
iso_write_opts_attach_jte;
iso_write_opts_detach_jte;
iso_write_opts_free;
iso_write_opts_get_data_start;
iso_write_opts_new;