| Commit message (Collapse) | Author | Age | Files | Lines |
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The methods $h->set_progress_callback and $h->clear_progress_callback
have been removed, and replaced with a complete mechanism for setting
and deleting general-purpose events.
This also updates virt-resize to use the new API.
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The functions set_progress_callback and clear_progress_callback have
been removed, and replaced with a complete mechanism for setting and
deleting general-purpose events.
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This API allows more than one callback to be registered for each
event, makes it possible to call the API from other languages, and
allows [nearly all] log, debug and trace messages to be rerouted from
stderr.
An older version of this API was discussed on the mailing list here:
https://www.redhat.com/archives/libguestfs/2010-December/msg00081.html
https://www.redhat.com/archives/libguestfs/2011-January/msg00012.html
This also updates guestfish to use the new API for its progress bars.
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the private data area.
This commit adds new APIs for walking over the keys and pointers in
the private data area associated with each handle (note this is only
applicable to the C API).
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There was a lot of repeated code to map return types (eg. RErr)
to error cases (eg. -1 or NULL).
This commit introduces an error code type and two functions to
map return types to error codes and error codes to strings.
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Previously we expanded the code for 'trace_return' unconditionally for
all non-daemon functions. However this code was not prepared to
handle all error conditions, and in fact would segfault if it tried to
print RStringList or RHashtable where r == NULL.
We need to make the code conditional on the return value, calling
either 'trace_return' or 'trace_return_error' as appropriate.
Note the difficult case for RConstOptString which returns NULL in
non-error cases.
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Creating a HashMap directly from JNI is possible but very tedious
(see: http://java.sun.com/docs/books/jni/html/fldmeth.html#26254)
Instead we use the existing code to return hashes from JNI as plain
String[], then add some code in the Java wrapper to convert these to
HashMap<String,String>.
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There's no point returning the specific HashMap type here.
Return the generic interface type instead.
Note that no users are actually calling these functions yet,
since at present they always fail.
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In functions that don't have javadoc, the function prototype wasn't
being indented correctly.
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This optional flag controls whether this API call will try to connect
to a running virtual machine 'guestfsd' process.
If the flag is given and the virtual machine is running, then the
libvirt XML is parsed looking for a suitable <channel> element, and
'guestfs_set_attach_method' is called with the corresponding
virtio-serial socket path.
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These allow you to get and set the attach method. The format
is one of:
* appliance
* unix:<path>
It's stored broken out into an enum and a string in the handle.
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Instead of explicitly calling umount-all; sync, we add a daemon
function called internal-autosync which does the same.
Apart from slightly simplifying the process of closing the handle, the
main advantage is we can modify the daemon for the standalone case so
that internal-autosync does not do the umount-all operation.
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Also separate the call and return lines so that everything can be
easily 'grepped' from debug output. The trace output now looks like
this:
$ guestfish -x -N fs exit
libguestfs: trace: is_config
libguestfs: trace: is_config = 1
libguestfs: trace: add_drive "test1.img"
libguestfs: trace: add_drive = 0
libguestfs: trace: is_config
libguestfs: trace: is_config = 1
libguestfs: trace: launch
libguestfs: trace: launch = 0
libguestfs: trace: part_disk "/dev/sda" "mbr"
libguestfs: trace: part_disk = 0
&c.
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This allows the -O parameter to be added to the mkfs command line.
This is used to select filesystem features.
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For examples of the virt-inspector output, see the additional
inspector/example-*.xml files in this commit.
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Fix guestfish (and other C tools) so that they ignore errors
when /etc/fstab contains bogus entries.
Update the documentation for inspect-get-mountpoints to emphasize
that callers must be aware of this when mounting the returned
values.
Add a regression test.
Update the example code ("inspect_vm") to reflect the way this
API ought to be called.
For more detail see:
https://bugzilla.redhat.com/show_bug.cgi?id=668574
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Add a new section called "EXTENDING LIBGUESTFS" to the
guestfs manual page which contains all the information
previously in "HACKING".
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These APIs are essentially required to work around a problem
with ntfs-3g. This filesystem (or FUSE?) does not list all
extended attributes of a file when you call listxattr(2). However
if you know the name of an extended attribute, you can retrieve
it directly using getxattr(2).
The current APIs (getxattrs etc) are simple to use, but they
don't work if we can't list out the extended attributes (ie.
by calling listxattr(2)).
Example using the new APIs on an ntfs-3g filesystem:
><fs> lgetxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C
00000000 16 24 00 00 |.$..|
00000004
><fs> lgetxattr "/Documents and Settings" system.ntfs_reparse_data | hexdump -C
00000000 03 00 00 a0 34 00 00 00 00 00 18 00 1a 00 10 00 |....4...........|
00000010 5c 00 3f 00 3f 00 5c 00 43 00 3a 00 5c 00 55 00 |\.?.?.\.C.:.\.U.|
00000020 73 00 65 00 72 00 73 00 00 00 43 00 3a 00 5c 00 |s.e.r.s...C.:.\.|
00000030 55 00 73 00 65 00 72 00 73 00 00 00 |U.s.e.r.s...|
0000003c
><fs> getxattr "/Documents and Settings" system.ntfs_reparse_data | hexdump -C
libguestfs: error: getxattr: getxattr: No such file or directory
><fs> getxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C
libguestfs: error: getxattr: getxattr: No such file or directory
><fs> lgetxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C
00000000 16 24 00 00 |.$..|
00000004
><fs> getxattr "/Users" system.ntfs_attrib | hexdump -C
00000000 11 00 00 00 |....|
00000004
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This is an extensible version of 'mkfs' which supports optional
arguments. There is now no need for 'mkfs_b' since you should
use 'mkfs_opts' with the optional 'blocksize' argument instead.
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Previously we only supported optional arguments for library
functions (commit 14490c3e1aac61c6ac90f28828896683f64f0dc9).
This extends that work so that optional arguments can also be
passed through to the daemon.
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For actions that have FileIn arguments, count the size of all
the input files and send that in the progress_hint field of the
request header.
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Two unrelated changes to the protocol to support progress
messages during uploads, and optional arguments.
Note that this makes an incompatible change to the protocol,
and this is reflected in the protocol version field (3 -> 4).
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These tests run much more quickly if you don't have to run
'mkfs' and (particularly) partitioning/LV commands between each
test.
The total time for running 'make -C capitests check' on my laptop
has gone from 413 seconds down to 221 seconds.
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This should allow us to perform filesystem-based write
tests much more quickly, because we don't need to recreate
the filesystem from scratch each time.
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This change means that /dev/sdb is not being used during
the tests (except passively, eg. in listings of devices).
This allows us (in a forthcoming commit) to use /dev/sdb as a
quick scratch filesystem for testing writes.
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This removes the dependency from guestfish to the external
pod2text program (and hence the final dependency on perl for
guestfish). This is done by storing the formatted pod2text
output in guestfish as the help text.
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Allow extra width, and trimming options.
This necessitates a change in the memoized format. To avoid
causing crashes if a new generator loads the old format, also
change the filename of the memo file.
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This private function (not part of the API) allows us to
iterate over disks from a guest, avoiding the business of
writing all the XPath code yet again.
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This is just code motion.
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This is just code motion.
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This returns the hostname of the guest. Tested on RHEL, Fedora,
Debian 5, Ubuntu 10.10, FreeBSD 8, Windows 7.
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This converts the current Perl code in virt-inspector for
listing applications, into C, making it a part of the core API.
This is also capable of fetching the list of Windows applications
from the registry.
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Linux Mint is derived from Ubuntu.
Mandriva has a release file, but it also has /etc/lsb-release and
the same parsing code can be reused. Mandriva has a package manager
called urpmi.
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This adds inspection support for FreeBSD.
However this is not quite enough to allow guestfish -i freebsd.img
to work, because guestfish will try to mount the filesystems,
which cannot be done because Linux requires special mount options
for the Universal Filesystem (UFS) used by *BSD. Nevertheless
you can manually run the same commands.
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