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This commit adds a flag (once_had_no_optargs) which can be used to add
optargs to functions that currently don't have any.
The idea is that if 'func' currently has no optargs, we can safely add
optargs provided we are backwards compatible for existing callers.
In C that means we leave 'guestfs_func' alone and provide an extra
function 'guestfs_func_opts' that takes the optargs ('guestfs_func'
becomes a wrapper that calls 'guestfs_func_opts').
In the C generator this means there are two names for each function
(although the two names are normally identical). 'c_name' is the name
that we export publicly (eg. [guestfs_] 'func_opts'). 'name' is the
internal name of the function (eg. 'func') which is used for
everything apart from the public interface, and also to generate the
no-optargs compat function.
In other languages that can add optional arguments safely, we simply
add the arguments to the existing 'func', so for example in Perl:
$g->func (required_args)
$g->func (required_args, optional_args)
can be used.
Note that this commit does not cause any change to the output of the
generator. I verified this by diffing the output before and after.
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This is just code motion. I verified this by comparing the
generator output before and after this commit.
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For example the existing method:
public void mkfs_opts (String fstype, String device, Map<..> optargs);
is now accompanied by this overloaded method which is a simple wrapper:
public void mkfs_opts (String fstype, String device)
throws LibGuestFSException
{
mkfs_opts (fstype, device, null);
}
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This updates commit 9286f556c6a9e6967fcac8aacdae3660821c4c7a.
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This field, which is generated internally by the generator, is the
name of the C function corresponding to each action.
For actions that have NO optional arguments, it's just "guestfs_<name>".
For actions that have any optional arguments, it is
"guestfs_<name>_argv" (since any binding has to construct the optional
argument struct explicitly).
In a future commit, this mapping may become more complex.
This commit also "fixes" the C# bindings which didn't handle optional
arguments properly at all. In fact, it doesn't fix this, it just
changes it enough that it probably now compiles. We should either
compile and test the bindings routinely with Mono, or drop them, since
they are starting to bit-rot.
In the GObject bindings, I have added a space between the C function
name and the first paren.
Apart from the C# and GObject changes, this is just code motion. It
was verified by diffing the output of the generator before and after.
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Store the camel-case name directly in the struct instead
of generating it on the fly in only the GObject bindings.
This is just code motion. Tested by verifying that the generator
output is identical.
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The internal_* prefix is reserved for internal functions
such as these tests.
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Each action changes from a tuple like this:
("cat", (RString "content", [Pathname "path"], []), 4,
[ProtocolLimitWarning],
[InitISOFS, Always, TestOutput (
[["cat"; "/known-2"]], "abcdef\n")],
"list the contents of a file",
"[...]");
to a slightly longer but more readable struct:
{ defaults with
name = "cat";
style = RString "content", [Pathname "path"], [];
proc_nr = Some 4;
protocol_limit_warning = true;
tests = [
InitISOFS, Always, TestOutput (
[["cat"; "/known-2"]], "abcdef\n")
];
shortdesc = "list the contents of a file";
longdesc = "[...]" };
["defaults" is a struct which contains the defaults for every field,
allowing us to use the "{ defaults with ... }" syntax to just update
the fields we want to be different from the defaults.]
This is a mechanical change and there is no change to the output of
the generator. I checked the output before and after with diff to
verify this. There are no changes in the output apart from UUIDs
which are expected to change with each run.
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The new API splits orderly close into a two-step process:
if (guestfs_shutdown (g) == -1) {
/* handle the error, eg. qemu error */
}
guestfs_close (g);
Note that the explicit shutdown step is only necessary in the case
where you have made changes to the disk image and want to handle write
errors. Read the documentation for further information.
This change also:
- deprecates guestfs_kill_subprocess
- turns guestfs_kill_subprocess into the same as guestfs_shutdown
- changes guestfish and other tools to call shutdown + close
where necessary (not for read-only tools)
- updates documentation
- updates examples
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This returns the number of whole block devices added. It is usually
simpler to call this than to list the devices and count them, which
is what we do in some places in the current codebase.
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On RHEL 5, because _GNU_SOURCE was not defined, open_memstream was not
being declared, resulting in miscompilation and a segfault in the
trace code whenever open_memstream returned a pointer >= 0x80000000
(which would be truncated to a 32 bit int and then sign-extended).
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Old KVM can't add /dev/null readonly. Treat /dev/null as a special
case.
We also fix a few tests where /dev/null was being used with
format=qcow2. This was always incorrect behaviour, but qemu appears
to tolerate it.
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This function was first added to Ruby in 1.8.7.
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This returns the index of the device, eg. /dev/sdb => 1.
Or you can think of it as the order that the device was
added, or the index of the device in guestfs_list_devices.
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This API makes device names canonical, eg. /dev/vda1 -> /dev/sda1.
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Returns the maximum number of disks that may be added to a handle.
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The output of this test depends on page size, so on ppc64
it returns 64K.
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This also creates an internal filesystem_available function within the
daemon.
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Add the new API btrfs-fsck to check the btrfs filesystem.
Btrfs is currently under heavy development, and not suitable for
any uses other than benchmarking and review. But it'll be useful
in the near future.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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Add the new API btrfs-set-seeding to support the seeding-device
feature for btrfs.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
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For example:
><fs> glob echo /dev/*
/dev/vda
/dev/vda1
/dev/vda2
/dev/vda3
><fs> glob echo /dev/v*/*
/dev/vg_f16x64/lv_root
/dev/vg_f16x64/lv_swap
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gettextize provides a local file called "gettext.h". Remove this and
use <libintl.h> from glibc headers instead.
Most of this change is mechanical: #include <libintl.h> in every C
file which uses any gettext function. But also we remove the
gettext.h file, and adjust the "_" macros.
Note that this effectively removes the ./configure --disable-nls
option, although we don't know if that ever worked.
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Originally this state was intended so that in some way you could find
out if the appliance was running a command. However there was never a
thread-safe way to access the state of the handle, so in effect you
could never do anything useful safely with this information.
This commit completely removes the BUSY state.
The only visible change is to the guestfs_is_busy API. Previously you
could never call this safely from another thread. If you called it
from the same thread it would always return false (since the current
thread can't be running a libguestfs command at that point by
definition). Now it always returns false.
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properly.
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The gobject bindings generate a large number of header files, which pollute
/usr/include when installed. This patch moves them all into a guestfs-gobject/
subdirectory. guestfs-gobject.h remains in the same place.
This change also moves generated source files into src/, because it makes the
gobject directory a bit tidier.
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This fixes commit 87ea7a04094d5ed40f3f047ff2b7a613d4d530d4.
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Implement libguestfs events as GObject signals. Callback arguments are passed in
a boxed object.
Note that this patch fixes the length of the uint64_t array in the callback
arguments at 16, whereas it is actually arbitrary length. This is to make it
introspectable. There is currently no way to pass an arbitrary length array to a
callback, and have its type introspected.
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Bind the easy parts of the 'btrfs' program.
The new APIs are:
btrfs-device-add: add devices to a btrfs filesystem
btrfs-device-delete: remove devices from a btrfs filesystem
btrfs-filesystem-sync: sync a btrfs filesystem
btrfs-filesystem-balance: balance a btrfs filesystem
btrfs-subvolume-create: create a btrfs snapshot
btrfs-subvolume-delete: delete a btrfs snapshot
btrfs-subvolume-list: list btrfs snapshots and subvolumes
btrfs-subvolume-set-default: set default btrfs subvolume
btrfs-subvolume-snapshot: create a writable btrfs snapshot
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btrfs filesystems can span multiple filesystems.
Note this changes the API, but this API has not yet been released in a
stable version of libguestfs.
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This is just code motion.
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The new APIs are:
get-e2attrs: List ext2 file attributes of a file.
set-e2attrs: Set or clear ext2 file attributes of a file.
get-e2generation: Get ext2 file generation of a file.
set-e2generation: Set ext2 file generation of a file.
These are implemented using the lsattr and chattr programs from
e2fsprogs.
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This allows all parameters from btrfs to be accessed.
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Add FUSE support directly to the API. Instead of needing to use the
external 'guestmount' command, you can mount the libguestfs filesystem
space on a local mountpoint using an API call from any language.
Note that although mount-local-run is marked as Cancellable, the
current implementation does not support it, but it would be relatively
simple to add it.
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Don't escape < and > in verbatim sections.
This partially reverts commit 09a4e7664b59789f90b6674f640f9d688e4f8b43.
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This greatly improves the usability of the generated gtk-doc.
Although there is a lot of churn in generator_gobject.ml, this is almost
exclusively code motion.
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Produce better gtk-doc for:
* URLs
* RHBZ# references
* CVE references
* API cross-references
* Parameter references
* Escaped characters
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