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The actions each have a corresponding define, eg:
#define LIBGUESTFS_HAVE_VGUUID 1
extern char *guestfs_vguuid (guestfs_h *g, const char *vgname);
However functions which are for testing, debugging or deprecated do
not have the corresponding define. Also a few functions are so
basic (eg. guestfs_create) that there is no point defining a symbol
for them.
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We inconsistently used 'void *data' or 'void *opaque' all over to
refer to the same thing. Use 'void *opaque' in all places in the
published API and documentation.
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The private data area is a hash table which is associated with
libguestfs handles, that C callers may use to store arbitrary
data for the lifetime of the handle.
Later the OCaml bindings will use this in order to implement
callbacks.
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This implements progress notification messages in the daemon, and
adds a callback in the library to handle them.
No calls are changed so far, so in fact no progress messages can
be generated by this commit.
For more details, see:
https://www.redhat.com/archives/libguestfs/2010-July/msg00003.html
https://www.redhat.com/archives/libguestfs/2010-July/msg00024.html
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Read the note in the man page before using this feature.
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This allows programs to work if they just
#include <guestfs.h>
and no other headers. It's not useful in the general
case, but fixes some configure-time tests, particularly
the one for Ruby on OS X.
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In PortableXDR this is not included automatically so we
have to include it explicitly to get definitions for the
XDR types.
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Functions like guestfs__send were never exported through the public
API (libguestfs.syms prevented that). However they appeared in the
public header. Move them to the internal header.
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There should be no substantive change.
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Move these to private header file(s) and other places as required
since these aren't part of the public API.
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* src/guestfs.h: Define STREQ and company.
* daemon/daemon.h: Likewise.
* hivex/hivex.h: Likewise.
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This commit removes the external main loop, which never worked
and caused a number of bugs. Requests are now done synchronously,
and if the user wants to have requests issued in the background
or to have a responsive GUI, then they'll just have to use threads.
The big change is to push all reads and writes through two
functions called send_to_daemon (for writes) and recv_from_daemon
(for reads) which operate synchronously. These functions
read/write whole messages, and also handle checking for EOF
(ie. daemon died) and asynchronous log message events from
qemu (eg. from debug / dmesg printed by the guest). A more
complete description of how these work can be found in the code.
This code passes a complete run of the tests.
Bugs believed to be fixed by this commit:
https://bugzilla.redhat.com/show_bug.cgi?id=501888
internal error: reply callback called twice
https://bugzilla.redhat.com/show_bug.cgi?id=504418
In virt-inspector: "download: guestfs_download reply failed, see earlier error messages"
I have tried to avoid reintroducing this:
https://bugzilla.redhat.com/show_bug.cgi?id=508713
libguestfs: error: write: Broken pipe (guestfish only)
One other benefit of this is that 'set_busy/end_busy' calls
no longer appear in traces.
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* src/guestfs.h (guestfs_abort_cb): Declare with attribute noreturn.
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This modifies the way that struct and struct lists are generated
(for return values) so that there is no need to add an explicit
new type when adding a new structure.
All tests pass, and the C API should be compatible.
I have also inspected the changes that are made to the generated
code by hand.
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* src/generator.ml (safe_malloc): Define to guestfs_safe_malloc.
(safe_calloc): Define to guestfs_safe_calloc.
[most generated code]: Fail immediately upon failure of otherwise-
unchecked malloc and calloc calls.
* src/guestfs.c: Include <stddef.h>.
(xalloc_oversized): Define.
* src/guestfs.h (guestfs_safe_calloc): Declare.
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This adds a readdir call (mostly intended for programs). The
return value is a list of guestfs_dirent structures.
This adds the new types 'struct guestfs_dirent' and
'struct guestfs_dirent_list', along with all the code to
return these in the different language bindings.
Also includes additional tests for OCaml and Perl bindings
to test this.
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- Split out the high-level API actions so that they are in a
separate file, and use the defined guestfs C API, instead of
fiddling around with internal structures.
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