#load "unix.cma";;
#load "str.cma";;
+open Unix
open Printf
type style = ret * args
(* Generate a random UUID (used in tests). *)
let uuidgen () =
- let chan = Unix.open_process_in "uuidgen" in
+ let chan = open_process_in "uuidgen" in
let uuid = input_line chan in
- (match Unix.close_process_in chan with
- | Unix.WEXITED 0 -> ()
- | Unix.WEXITED _ ->
+ (match close_process_in chan with
+ | WEXITED 0 -> ()
+ | WEXITED _ ->
failwith "uuidgen: process exited with non-zero status"
- | Unix.WSIGNALED _ | Unix.WSTOPPED _ ->
+ | WSIGNALED _ | WSTOPPED _ ->
failwith "uuidgen: process signalled or stopped by signal"
);
uuid
C<$major.$minor.$release$extra>
I<Note:> Don't use this call to test for availability
-of features. Distro backports makes this unreliable.");
+of features. Distro backports makes this unreliable. Use
+C<guestfs_available> instead.");
("set_selinux", (RErr, [Bool "selinux"]), -1, [FishAlias "selinux"],
[InitNone, Always, TestOutputTrue (
"\
Return the direct appliance mode flag.");
+ ("set_recovery_proc", (RErr, [Bool "recoveryproc"]), -1, [FishAlias "recovery-proc"],
+ [InitNone, Always, TestOutputTrue (
+ [["set_recovery_proc"; "true"];
+ ["get_recovery_proc"]])],
+ "enable or disable the recovery process",
+ "\
+If this is called with the parameter C<false> then
+C<guestfs_launch> does not create a recovery process. The
+purpose of the recovery process is to stop runaway qemu
+processes in the case where the main program aborts abruptly.
+
+This only has any effect if called before C<guestfs_launch>,
+and the default is true.
+
+About the only time when you would want to disable this is
+if the main process will fork itself into the background
+(\"daemonize\" itself). In this case the recovery process
+thinks that the main program has disappeared and so kills
+qemu, which is not very helpful.");
+
+ ("get_recovery_proc", (RBool "recoveryproc", []), -1, [],
+ [],
+ "get recovery process enabled flag",
+ "\
+Return the recovery process enabled flag.");
+
]
(* daemon_functions are any functions which cause some action
let daemon_functions = [
("mount", (RErr, [Device "device"; String "mountpoint"]), 1, [],
[InitEmpty, Always, TestOutput (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["write_file"; "/new"; "new file contents"; "0"];
("mkfs", (RErr, [String "fstype"; Device "device"]), 42, [],
[InitEmpty, Always, TestOutput (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["write_file"; "/new"; "new file contents"; "0"];
pass C<lines> as a single element list, when the single element being
the string C<,> (comma).
-See also: C<guestfs_sfdisk_l>, C<guestfs_sfdisk_N>");
+See also: C<guestfs_sfdisk_l>, C<guestfs_sfdisk_N>,
+C<guestfs_part_init>");
("write_file", (RErr, [Pathname "path"; String "content"; Int "size"]), 44, [ProtocolLimitWarning],
[InitBasicFS, Always, TestOutput (
("umount", (RErr, [String "pathordevice"]), 45, [FishAlias "unmount"],
[InitEmpty, Always, TestOutputListOfDevices (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["mounts"]], ["/dev/sda1"]);
InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["umount"; "/"];
("lvremove", (RErr, [Device "device"]), 77, [],
[InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
["lvremove"; "/dev/VG/LV1"];
["lvs"]], ["/dev/VG/LV2"]);
InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
["lvremove"; "/dev/VG"];
["lvs"]], []);
InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
("vgremove", (RErr, [String "vgname"]), 78, [],
[InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
["vgremove"; "VG"];
["lvs"]], []);
InitEmpty, Always, TestOutputList (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
("pvremove", (RErr, [Device "device"]), 79, [],
[InitEmpty, Always, TestOutputListOfDevices (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
["pvremove"; "/dev/sda1"];
["lvs"]], []);
InitEmpty, Always, TestOutputListOfDevices (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
["pvremove"; "/dev/sda1"];
["vgs"]], []);
InitEmpty, Always, TestOutputListOfDevices (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV1"; "VG"; "50"];
("zerofree", (RErr, [Device "device"]), 97, [],
[InitNone, Always, TestOutput (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext3"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["write_file"; "/new"; "test file"; "0"];
partition C<n> (note: C<n> counts from 1).
For other parameters, see C<guestfs_sfdisk>. You should usually
-pass C<0> for the cyls/heads/sectors parameters.");
+pass C<0> for the cyls/heads/sectors parameters.
+
+See also: C<guestfs_part_add>");
("sfdisk_l", (RString "partitions", [Device "device"]), 100, [],
[],
"\
This displays the partition table on C<device>, in the
human-readable output of the L<sfdisk(8)> command. It is
-not intended to be parsed.");
+not intended to be parsed.
+
+See also: C<guestfs_part_list>");
("sfdisk_kernel_geometry", (RString "partitions", [Device "device"]), 101, [],
[],
("lvresize", (RErr, [Device "device"; Int "mbytes"]), 105, [],
[InitNone, Always, TestOutput (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV"; "VG"; "10"];
("ntfs_3g_probe", (RInt "status", [Bool "rw"; Device "device"]), 110, [],
[InitNone, Always, TestOutputInt (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ntfs"; "/dev/sda1"];
["ntfs_3g_probe"; "true"; "/dev/sda1"]], 0);
InitNone, Always, TestOutputInt (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["ntfs_3g_probe"; "true"; "/dev/sda1"]], 12)],
"probe NTFS volume",
("mkswap", (RErr, [Device "device"]), 130, [],
[InitEmpty, Always, TestRun (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkswap"; "/dev/sda1"]])],
"create a swap partition",
"\
("mkswap_L", (RErr, [String "label"; Device "device"]), 131, [],
[InitEmpty, Always, TestRun (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkswap_L"; "hello"; "/dev/sda1"]])],
"create a swap partition with a label",
"\
("mkswap_U", (RErr, [String "uuid"; Device "device"]), 132, [],
(let uuid = uuidgen () in
[InitEmpty, Always, TestRun (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkswap_U"; uuid; "/dev/sda1"]])]),
"create a swap partition with an explicit UUID",
"\
to specify the cyls, heads and sectors parameters which
were rarely if ever used anyway.
-See also C<guestfs_sfdisk> and the L<sfdisk(8)> manpage.");
+See also: C<guestfs_sfdisk>, the L<sfdisk(8)> manpage
+and C<guestfs_part_disk>");
("zfile", (RString "description", [String "meth"; Pathname "path"]), 140, [DeprecatedBy "file"],
[],
("swapon_label", (RErr, [String "label"]), 174, [],
[InitEmpty, Always, TestRun (
- [["sfdiskM"; "/dev/sdb"; ","];
+ [["part_disk"; "/dev/sdb"; "mbr"];
["mkswap_L"; "swapit"; "/dev/sdb1"];
["swapon_label"; "swapit"];
["swapoff_label"; "swapit"];
("mkfs_b", (RErr, [String "fstype"; Int "blocksize"; Device "device"]), 187, [],
[InitEmpty, Always, TestOutput (
- [["sfdiskM"; "/dev/sda"; ","];
+ [["part_disk"; "/dev/sda"; "mbr"];
["mkfs_b"; "ext2"; "4096"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"];
["write_file"; "/new"; "new file contents"; "0"];
names, you will need to locate and parse the password file
yourself (Augeas support makes this relatively easy).");
+ ("lstatlist", (RStructList ("statbufs", "stat"), [Pathname "path"; StringList "names"]), 204, [],
+ [], (* XXX *)
+ "lstat on multiple files",
+ "\
+This call allows you to perform the C<guestfs_lstat> operation
+on multiple files, where all files are in the directory C<path>.
+C<names> is the list of files from this directory.
+
+On return you get a list of stat structs, with a one-to-one
+correspondence to the C<names> list. If any name did not exist
+or could not be lstat'd, then the C<ino> field of that structure
+is set to C<-1>.
+
+This call is intended for programs that want to efficiently
+list a directory contents without making many round-trips.
+See also C<guestfs_lxattrlist> for a similarly efficient call
+for getting extended attributes. Very long directory listings
+might cause the protocol message size to be exceeded, causing
+this call to fail. The caller must split up such requests
+into smaller groups of names.");
+
+ ("lxattrlist", (RStructList ("xattrs", "xattr"), [Pathname "path"; StringList "names"]), 205, [],
+ [], (* XXX *)
+ "lgetxattr on multiple files",
+ "\
+This call allows you to get the extended attributes
+of multiple files, where all files are in the directory C<path>.
+C<names> is the list of files from this directory.
+
+On return you get a flat list of xattr structs which must be
+interpreted sequentially. The first xattr struct always has a zero-length
+C<attrname>. C<attrval> in this struct is zero-length
+to indicate there was an error doing C<lgetxattr> for this
+file, I<or> is a C string which is a decimal number
+(the number of following attributes for this file, which could
+be C<\"0\">). Then after the first xattr struct are the
+zero or more attributes for the first named file.
+This repeats for the second and subsequent files.
+
+This call is intended for programs that want to efficiently
+list a directory contents without making many round-trips.
+See also C<guestfs_lstatlist> for a similarly efficient call
+for getting standard stats. Very long directory listings
+might cause the protocol message size to be exceeded, causing
+this call to fail. The caller must split up such requests
+into smaller groups of names.");
+
+ ("readlinklist", (RStringList "links", [Pathname "path"; StringList "names"]), 206, [],
+ [], (* XXX *)
+ "readlink on multiple files",
+ "\
+This call allows you to do a C<readlink> operation
+on multiple files, where all files are in the directory C<path>.
+C<names> is the list of files from this directory.
+
+On return you get a list of strings, with a one-to-one
+correspondence to the C<names> list. Each string is the
+value of the symbol link.
+
+If the C<readlink(2)> operation fails on any name, then
+the corresponding result string is the empty string C<\"\">.
+However the whole operation is completed even if there
+were C<readlink(2)> errors, and so you can call this
+function with names where you don't know if they are
+symbolic links already (albeit slightly less efficient).
+
+This call is intended for programs that want to efficiently
+list a directory contents without making many round-trips.
+Very long directory listings might cause the protocol
+message size to be exceeded, causing
+this call to fail. The caller must split up such requests
+into smaller groups of names.");
+
+ ("pread", (RBufferOut "content", [Pathname "path"; Int "count"; Int64 "offset"]), 207, [ProtocolLimitWarning],
+ [InitISOFS, Always, TestOutputBuffer (
+ [["pread"; "/known-4"; "1"; "3"]], "\n");
+ InitISOFS, Always, TestOutputBuffer (
+ [["pread"; "/empty"; "0"; "100"]], "")],
+ "read part of a file",
+ "\
+This command lets you read part of a file. It reads C<count>
+bytes of the file, starting at C<offset>, from file C<path>.
+
+This may read fewer bytes than requested. For further details
+see the L<pread(2)> system call.");
+
+ ("part_init", (RErr, [Device "device"; String "parttype"]), 208, [],
+ [InitEmpty, Always, TestRun (
+ [["part_init"; "/dev/sda"; "gpt"]])],
+ "create an empty partition table",
+ "\
+This creates an empty partition table on C<device> of one of the
+partition types listed below. Usually C<parttype> should be
+either C<msdos> or C<gpt> (for large disks).
+
+Initially there are no partitions. Following this, you should
+call C<guestfs_part_add> for each partition required.
+
+Possible values for C<parttype> are:
+
+=over 4
+
+=item B<efi> | B<gpt>
+
+Intel EFI / GPT partition table.
+
+This is recommended for >= 2 TB partitions that will be accessed
+from Linux and Intel-based Mac OS X. It also has limited backwards
+compatibility with the C<mbr> format.
+
+=item B<mbr> | B<msdos>
+
+The standard PC \"Master Boot Record\" (MBR) format used
+by MS-DOS and Windows. This partition type will B<only> work
+for device sizes up to 2 TB. For large disks we recommend
+using C<gpt>.
+
+=back
+
+Other partition table types that may work but are not
+supported include:
+
+=over 4
+
+=item B<aix>
+
+AIX disk labels.
+
+=item B<amiga> | B<rdb>
+
+Amiga \"Rigid Disk Block\" format.
+
+=item B<bsd>
+
+BSD disk labels.
+
+=item B<dasd>
+
+DASD, used on IBM mainframes.
+
+=item B<dvh>
+
+MIPS/SGI volumes.
+
+=item B<mac>
+
+Old Mac partition format. Modern Macs use C<gpt>.
+
+=item B<pc98>
+
+NEC PC-98 format, common in Japan apparently.
+
+=item B<sun>
+
+Sun disk labels.
+
+=back");
+
+ ("part_add", (RErr, [Device "device"; String "prlogex"; Int64 "startsect"; Int64 "endsect"]), 209, [],
+ [InitEmpty, Always, TestRun (
+ [["part_init"; "/dev/sda"; "mbr"];
+ ["part_add"; "/dev/sda"; "primary"; "1"; "-1"]]);
+ InitEmpty, Always, TestRun (
+ [["part_init"; "/dev/sda"; "gpt"];
+ ["part_add"; "/dev/sda"; "primary"; "34"; "127"];
+ ["part_add"; "/dev/sda"; "primary"; "128"; "-34"]]);
+ InitEmpty, Always, TestRun (
+ [["part_init"; "/dev/sda"; "mbr"];
+ ["part_add"; "/dev/sda"; "primary"; "32"; "127"];
+ ["part_add"; "/dev/sda"; "primary"; "128"; "255"];
+ ["part_add"; "/dev/sda"; "primary"; "256"; "511"];
+ ["part_add"; "/dev/sda"; "primary"; "512"; "-1"]])],
+ "add a partition to the device",
+ "\
+This command adds a partition to C<device>. If there is no partition
+table on the device, call C<guestfs_part_init> first.
+
+The C<prlogex> parameter is the type of partition. Normally you
+should pass C<p> or C<primary> here, but MBR partition tables also
+support C<l> (or C<logical>) and C<e> (or C<extended>) partition
+types.
+
+C<startsect> and C<endsect> are the start and end of the partition
+in I<sectors>. C<endsect> may be negative, which means it counts
+backwards from the end of the disk (C<-1> is the last sector).
+
+Creating a partition which covers the whole disk is not so easy.
+Use C<guestfs_part_disk> to do that.");
+
+ ("part_disk", (RErr, [Device "device"; String "parttype"]), 210, [DangerWillRobinson],
+ [InitEmpty, Always, TestRun (
+ [["part_disk"; "/dev/sda"; "mbr"]]);
+ InitEmpty, Always, TestRun (
+ [["part_disk"; "/dev/sda"; "gpt"]])],
+ "partition whole disk with a single primary partition",
+ "\
+This command is simply a combination of C<guestfs_part_init>
+followed by C<guestfs_part_add> to create a single primary partition
+covering the whole disk.
+
+C<parttype> is the partition table type, usually C<mbr> or C<gpt>,
+but other possible values are described in C<guestfs_part_init>.");
+
+ ("part_set_bootable", (RErr, [Device "device"; Int "partnum"; Bool "bootable"]), 211, [],
+ [InitEmpty, Always, TestRun (
+ [["part_disk"; "/dev/sda"; "mbr"];
+ ["part_set_bootable"; "/dev/sda"; "1"; "true"]])],
+ "make a partition bootable",
+ "\
+This sets the bootable flag on partition numbered C<partnum> on
+device C<device>. Note that partitions are numbered from 1.
+
+The bootable flag is used by some PC BIOSes to determine which
+partition to boot from. It is by no means universally recognized,
+and in any case if your operating system installed a boot
+sector on the device itself, then that takes precedence.");
+
+ ("part_set_name", (RErr, [Device "device"; Int "partnum"; String "name"]), 212, [],
+ [InitEmpty, Always, TestRun (
+ [["part_disk"; "/dev/sda"; "gpt"];
+ ["part_set_name"; "/dev/sda"; "1"; "thepartname"]])],
+ "set partition name",
+ "\
+This sets the partition name on partition numbered C<partnum> on
+device C<device>. Note that partitions are numbered from 1.
+
+The partition name can only be set on certain types of partition
+table. This works on C<gpt> but not on C<mbr> partitions.");
+
+ ("part_list", (RStructList ("partitions", "partition"), [Device "device"]), 213, [],
+ [], (* XXX Add a regression test for this. *)
+ "list partitions on a device",
+ "\
+This command parses the partition table on C<device> and
+returns the list of partitions found.
+
+The fields in the returned structure are:
+
+=over 4
+
+=item B<part_num>
+
+Partition number, counting from 1.
+
+=item B<part_start>
+
+Start of the partition I<in bytes>. To get sectors you have to
+divide by the device's sector size, see C<guestfs_blockdev_getss>.
+
+=item B<part_end>
+
+End of the partition in bytes.
+
+=item B<part_size>
+
+Size of the partition in bytes.
+
+=back");
+
+ ("part_get_parttype", (RString "parttype", [Device "device"]), 214, [],
+ [InitEmpty, Always, TestOutput (
+ [["part_disk"; "/dev/sda"; "gpt"];
+ ["part_get_parttype"; "/dev/sda"]], "gpt")],
+ "get the partition table type",
+ "\
+This command examines the partition table on C<device> and
+returns the partition table type (format) being used.
+
+Common return values include: C<msdos> (a DOS/Windows style MBR
+partition table), C<gpt> (a GPT/EFI-style partition table). Other
+values are possible, although unusual. See C<guestfs_part_init>
+for a full list.");
+
+ ("fill", (RErr, [Int "c"; Int "len"; Pathname "path"]), 215, [],
+ [InitBasicFS, Always, TestOutputBuffer (
+ [["fill"; "0x63"; "10"; "/test"];
+ ["read_file"; "/test"]], "cccccccccc")],
+ "fill a file with octets",
+ "\
+This command creates a new file called C<path>. The initial
+content of the file is C<len> octets of C<c>, where C<c>
+must be a number in the range C<[0..255]>.
+
+To fill a file with zero bytes (sparsely), it is
+much more efficient to use C<guestfs_truncate_size>.");
+
+ ("available", (RErr, [StringList "groups"]), 216, [],
+ [],
+ "test availability of some parts of the API",
+ "\
+This command is used to check the availability of some
+groups of libguestfs functions which not all builds of
+libguestfs will be able to provide.
+
+The precise libguestfs function groups that may be checked by this
+command are listed in L<guestfs(3)/AVAILABILITY>.
+
+The argument C<groups> is a list of API group names, eg:
+C<[\"inotify\", \"part\"]> would check for the availability of
+the C<guestfs_inotify_*> functions and C<guestfs_part_*>
+(partition editing) functions.
+
+The command returns no error if I<all> requested groups are available.
+
+It returns an error if one or more of the requested
+groups is unavailable.
+
+If an unknown group name is included in the
+list of C<groups> then an error is always returned.
+
+I<Notes:>
+
+=over 4
+
+=item *
+
+You must call C<guestfs_launch> before calling this function.
+The reason is because we don't know what function groups are
+supported by the appliance/daemon until it is running and can
+be queried.
+
+=item *
+
+If a group of functions is available, this does not necessarily
+mean that they will work. You still have to check for errors
+when calling individual API functions even if they are
+available.
+
+=item *
+
+It is usually the job of distro packagers to build
+complete functionality into the libguestfs appliance.
+Upstream libguestfs, if built from source with all
+requirements satisfied, will support everything.
+
+=item *
+
+This call was added in version C<1.0.80>. In previous
+versions of libguestfs all you could do would be to speculatively
+execute a command to find out if the daemon implemented it.
+See also C<guestfs_version>.
+
+=back");
+
]
let all_functions = non_daemon_functions @ daemon_functions
"in_cookie", FUInt32;
"in_name", FString;
];
+
+ (* Partition table entry. *)
+ "partition", [
+ "part_num", FInt32;
+ "part_start", FBytes;
+ "part_end", FBytes;
+ "part_size", FBytes;
+ ];
] (* end of structs *)
(* Ugh, Java has to be different ..
"version", "Version";
"xattr", "XAttr";
"inotify_event", "INotifyEvent";
+ "partition", "Partition";
]
(* What structs are actually returned. *)
) all_functions
(* 'pr' prints to the current output file. *)
-let chan = ref stdout
+let chan = ref Pervasives.stdout
let pr fs = ksprintf (output_string !chan) fs
(* Generate a header block in a number of standard styles. *)
List.iter (
function
| Pathname n | Device n | Dev_or_Path n | String n ->
- pr " string %s<>;\n" n
+ pr " string %s<>;\n" n
| OptString n -> pr " str *%s;\n" n
| StringList n | DeviceList n -> pr " str %s<>;\n" n
| Bool n -> pr " bool %s;\n" n
#include <inttypes.h>
#include \"guestfs.h\"
+#include \"guestfs-internal.h\"
#include \"guestfs-internal-actions.h\"
#include \"guestfs_protocol.h\"
#define error guestfs_error
//#define perrorf guestfs_perrorf
-//#define safe_malloc guestfs_safe_malloc
+#define safe_malloc guestfs_safe_malloc
#define safe_realloc guestfs_safe_realloc
//#define safe_strdup guestfs_safe_strdup
#define safe_memdup guestfs_safe_memdup
pr " /* caller will free this */\n";
pr " return safe_memdup (g, &ret.%s, sizeof (ret.%s));\n" n n
| RBufferOut n ->
- pr " *size_r = ret.%s.%s_len;\n" n n;
- pr " return ret.%s.%s_val; /* caller will free */\n" n n
+ pr " /* RBufferOut is tricky: If the buffer is zero-length, then\n";
+ pr " * _val might be NULL here. To make the API saner for\n";
+ pr " * callers, we turn this case into a unique pointer (using\n";
+ pr " * malloc(1)).\n";
+ pr " */\n";
+ pr " if (ret.%s.%s_len > 0) {\n" n n;
+ pr " *size_r = ret.%s.%s_len;\n" n n;
+ pr " return ret.%s.%s_val; /* caller will free */\n" n n;
+ pr " } else {\n";
+ pr " free (ret.%s.%s_val);\n" n n;
+ pr " char *p = safe_malloc (g, 1);\n";
+ pr " *size_r = ret.%s.%s_len;\n" n n;
+ pr " return p;\n";
+ pr " }\n";
);
pr "}\n\n"
| RStruct (_, typ) -> pr " guestfs_int_%s *r;\n" typ; "NULL"
| RStructList (_, typ) -> pr " guestfs_int_%s_list *r;\n" typ; "NULL"
| RBufferOut _ ->
- pr " size_t size;\n";
+ pr " size_t size = 1;\n";
pr " char *r;\n";
"NULL" in
generate_c_call_args (fst style, args');
pr ";\n";
- pr " if (r == %s)\n" error_code;
- pr " /* do_%s has already called reply_with_error */\n" name;
- pr " goto done;\n";
- pr "\n";
+ (match fst style with
+ | RErr | RInt _ | RInt64 _ | RBool _
+ | RConstString _ | RConstOptString _
+ | RString _ | RStringList _ | RHashtable _
+ | RStruct (_, _) | RStructList (_, _) ->
+ pr " if (r == %s)\n" error_code;
+ pr " /* do_%s has already called reply_with_error */\n" name;
+ pr " goto done;\n";
+ pr "\n"
+ | RBufferOut _ ->
+ pr " /* size == 0 && r == NULL could be a non-error case (just\n";
+ pr " * an ordinary zero-length buffer), so be careful ...\n";
+ pr " */\n";
+ pr " if (size == 1 && r == %s)\n" error_code;
+ pr " /* do_%s has already called reply_with_error */\n" name;
+ pr " goto done;\n";
+ pr "\n"
+ );
(* If there are any FileOut parameters, then the impl must
* send its own reply.
#include <fcntl.h>
#include \"guestfs.h\"
+#include \"guestfs-internal.h\"
static guestfs_h *g;
static int suppress_error = 0;
g = guestfs_create ();
if (g == NULL) {
printf (\"guestfs_create FAILED\\n\");
- exit (1);
+ exit (EXIT_FAILURE);
}
guestfs_set_error_handler (g, print_error, NULL);
fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
perror (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (close (fd) == -1) {
perror (filename);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (guestfs_add_drive (g, filename) == -1) {
printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
filename = \"test2.img\";
fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
perror (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (close (fd) == -1) {
perror (filename);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (guestfs_add_drive (g, filename) == -1) {
printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
filename = \"test3.img\";
fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
perror (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (close (fd) == -1) {
perror (filename);
unlink (filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (guestfs_add_drive (g, filename) == -1) {
printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
- exit (1);
+ exit (EXIT_FAILURE);
}
if (guestfs_add_drive_ro (g, \"../images/test.iso\") == -1) {
printf (\"guestfs_add_drive_ro ../images/test.iso FAILED\\n\");
- exit (1);
+ exit (EXIT_FAILURE);
}
if (guestfs_launch (g) == -1) {
printf (\"guestfs_launch FAILED\\n\");
- exit (1);
+ exit (EXIT_FAILURE);
}
/* Set a timeout in case qemu hangs during launch (RHBZ#505329). */
pr " if (n_failed > 0) {\n";
pr " printf (\"***** %%lu / %%d tests FAILED *****\\n\", n_failed, nr_tests);\n";
- pr " exit (1);\n";
+ pr " exit (EXIT_FAILURE);\n";
pr " }\n";
pr "\n";
- pr " exit (0);\n";
+ pr " exit (EXIT_SUCCESS);\n";
pr "}\n"
and generate_one_test name i (init, prereq, test) =
if (str)
return strstr (str, \"%s\") == NULL;
str = getenv (\"SKIP_%s\");
- if (str && strcmp (str, \"1\") == 0) return 1;
+ if (str && STREQ (str, \"1\")) return 1;
str = getenv (\"SKIP_TEST_%s\");
- if (str && strcmp (str, \"1\") == 0) return 1;
+ if (str && STREQ (str, \"1\")) return 1;
return 0;
}
[["blockdev_setrw"; "/dev/sda"];
["umount_all"];
["lvm_remove_all"];
- ["sfdiskM"; "/dev/sda"; ","]]
+ ["part_disk"; "/dev/sda"; "mbr"]]
| InitBasicFS ->
pr " /* InitBasicFS for %s: create ext2 on /dev/sda1 */\n" test_name;
List.iter (generate_test_command_call test_name)
[["blockdev_setrw"; "/dev/sda"];
["umount_all"];
["lvm_remove_all"];
- ["sfdiskM"; "/dev/sda"; ","];
+ ["part_disk"; "/dev/sda"; "mbr"];
["mkfs"; "ext2"; "/dev/sda1"];
["mount"; "/dev/sda1"; "/"]]
| InitBasicFSonLVM ->
[["blockdev_setrw"; "/dev/sda"];
["umount_all"];
["lvm_remove_all"];
- ["sfdiskM"; "/dev/sda"; ","];
+ ["part_disk"; "/dev/sda"; "mbr"];
["pvcreate"; "/dev/sda1"];
["vgcreate"; "VG"; "/dev/sda1"];
["lvcreate"; "LV"; "VG"; "8"];
pr " const char *expected = \"%s\";\n" (c_quote expected);
let seq, last = get_seq_last seq in
let test () =
- pr " if (strcmp (r, expected) != 0) {\n";
+ pr " if (STRNEQ (r, expected)) {\n";
pr " fprintf (stderr, \"%s: expected \\\"%%s\\\" but got \\\"%%s\\\"\\n\", expected, r);\n" test_name;
pr " return -1;\n";
pr " }\n"
pr " }\n";
pr " {\n";
pr " const char *expected = \"%s\";\n" (c_quote str);
- pr " if (strcmp (r[%d], expected) != 0) {\n" i;
+ pr " if (STRNEQ (r[%d], expected)) {\n" i;
pr " fprintf (stderr, \"%s: expected \\\"%%s\\\" but got \\\"%%s\\\"\\n\", expected, r[%d]);\n" test_name i;
pr " return -1;\n";
pr " }\n";
pr " {\n";
pr " const char *expected = \"%s\";\n" (c_quote str);
pr " r[%d][5] = 's';\n" i;
- pr " if (strcmp (r[%d], expected) != 0) {\n" i;
+ pr " if (STRNEQ (r[%d], expected)) {\n" i;
pr " fprintf (stderr, \"%s: expected \\\"%%s\\\" but got \\\"%%s\\\"\\n\", expected, r[%d]);\n" test_name i;
pr " return -1;\n";
pr " }\n";
pr " fprintf (stderr, \"%s: returned size of buffer wrong, expected %d but got %%zu\\n\", size);\n" test_name len;
pr " return -1;\n";
pr " }\n";
- pr " if (strncmp (r, expected, size) != 0) {\n";
+ pr " if (STRNEQLEN (r, expected, size)) {\n";
pr " fprintf (stderr, \"%s: expected \\\"%%s\\\" but got \\\"%%s\\\"\\n\", expected, r);\n" test_name;
pr " return -1;\n";
pr " }\n"
pr " return -1;\n";
pr " }\n"
| CompareWithString (field, expected) ->
- pr " if (strcmp (r->%s, \"%s\") != 0) {\n" field expected;
+ pr " if (STRNEQ (r->%s, \"%s\")) {\n" field expected;
pr " fprintf (stderr, \"%s: %s was \"%%s\", expected \"%s\"\\n\",\n"
test_name field expected;
pr " r->%s);\n" field;
pr " return -1;\n";
pr " }\n"
| CompareFieldsStrEq (field1, field2) ->
- pr " if (strcmp (r->%s, r->%s) != 0) {\n" field1 field2;
+ pr " if (STRNEQ (r->%s, r->%s)) {\n" field1 field2;
pr " fprintf (stderr, \"%s: %s (\"%%s\") <> %s (\"%%s\")\\n\",\n"
test_name field1 field2;
pr " r->%s, r->%s);\n" field1 field2;
match snd style with
| [] -> name2
| args ->
- sprintf "%s <%s>"
- name2 (String.concat "> <" (List.map name_of_argt args)) in
+ sprintf "%s %s"
+ name2 (String.concat " " (List.map name_of_argt args)) in
let warnings =
if List.mem ProtocolLimitWarning flags then
else "" in
pr " if (";
- pr "strcasecmp (cmd, \"%s\") == 0" name;
+ pr "STRCASEEQ (cmd, \"%s\")" name;
if name <> name2 then
- pr " || strcasecmp (cmd, \"%s\") == 0" name2;
+ pr " || STRCASEEQ (cmd, \"%s\")" name2;
if name <> alias then
- pr " || strcasecmp (cmd, \"%s\") == 0" alias;
+ pr " || STRCASEEQ (cmd, \"%s\")" alias;
pr ")\n";
pr " pod2text (\"%s\", _(\"%s\"), %S);\n"
name2 shortdesc
- (" " ^ synopsis ^ "\n\n" ^ longdesc ^ warnings ^ describe_alias);
+ ("=head1 SYNOPSIS\n\n " ^ synopsis ^ "\n\n" ^
+ "=head1 DESCRIPTION\n\n" ^
+ longdesc ^ warnings ^ describe_alias);
pr " else\n"
) all_functions;
pr " display_builtin_command (cmd);\n";
function
| Device name
| String name ->
- pr " %s = argv[%d];\n" name i
+ pr " %s = argv[%d];\n" name i
| Pathname name
| Dev_or_Path name ->
- pr " %s = resolve_win_path (argv[%d]);\n" name i;
- pr " if (%s == NULL) return -1;\n" name
+ pr " %s = resolve_win_path (argv[%d]);\n" name i;
+ pr " if (%s == NULL) return -1;\n" name
| OptString name ->
- pr " %s = strcmp (argv[%d], \"\") != 0 ? argv[%d] : NULL;\n"
+ pr " %s = STRNEQ (argv[%d], \"\") ? argv[%d] : NULL;\n"
name i i
| FileIn name ->
- pr " %s = strcmp (argv[%d], \"-\") != 0 ? argv[%d] : \"/dev/stdin\";\n"
+ pr " %s = STRNEQ (argv[%d], \"-\") ? argv[%d] : \"/dev/stdin\";\n"
name i i
| FileOut name ->
- pr " %s = strcmp (argv[%d], \"-\") != 0 ? argv[%d] : \"/dev/stdout\";\n"
+ pr " %s = STRNEQ (argv[%d], \"-\") ? argv[%d] : \"/dev/stdout\";\n"
name i i
| StringList name | DeviceList name ->
pr " %s = parse_string_list (argv[%d]);\n" name i;
try find_map (function FishAlias n -> Some n | _ -> None) flags
with Not_found -> name in
pr " if (";
- pr "strcasecmp (cmd, \"%s\") == 0" name;
+ pr "STRCASEEQ (cmd, \"%s\")" name;
if name <> name2 then
- pr " || strcasecmp (cmd, \"%s\") == 0" name2;
+ pr " || STRCASEEQ (cmd, \"%s\")" name2;
if name <> alias then
- pr " || strcasecmp (cmd, \"%s\") == 0" alias;
+ pr " || STRCASEEQ (cmd, \"%s\")" alias;
pr ")\n";
pr " return run_%s (cmd, argc, argv);\n" name;
pr " else\n";
while ((name = commands[index]) != NULL) {
index++;
- if (strncasecmp (name, text, len) == 0)
+ if (STRCASEEQLEN (name, text, len))
return strdup (name);
}
exception Error of string
(** This exception is raised when there is an error. *)
+exception Handle_closed of string
+(** This exception is raised if you use a {!Guestfs.t} handle
+ after calling {!close} on it. The string is the name of
+ the function. *)
+
val create : unit -> t
+(** Create a {!Guestfs.t} handle. *)
val close : t -> unit
-(** Handles are closed by the garbage collector when they become
- unreferenced, but callers can also call this in order to
- provide predictable cleanup. *)
+(** Close the {!Guestfs.t} handle and free up all resources used
+ by it immediately.
+
+ Handles are closed by the garbage collector when they become
+ unreferenced, but callers can call this in order to provide
+ predictable cleanup. *)
";
generate_ocaml_structure_decls ();
generate_ocaml_prototype name style;
pr "(** %s *)\n" shortdesc;
pr "\n"
- ) all_functions
+ ) all_functions_sorted
(* Generate the OCaml bindings implementation. *)
and generate_ocaml_ml () =
pr "\
type t
+
exception Error of string
+exception Handle_closed of string
+
external create : unit -> t = \"ocaml_guestfs_create\"
external close : t -> unit = \"ocaml_guestfs_close\"
+(* Give the exceptions names, so they can be raised from the C code. *)
let () =
- Callback.register_exception \"ocaml_guestfs_error\" (Error \"\")
+ Callback.register_exception \"ocaml_guestfs_error\" (Error \"\");
+ Callback.register_exception \"ocaml_guestfs_closed\" (Handle_closed \"\")
";
List.iter (
fun (name, style, _, _, _, shortdesc, _) ->
generate_ocaml_prototype ~is_external:true name style;
- ) all_functions
+ ) all_functions_sorted
(* Generate the OCaml bindings C implementation. *)
and generate_ocaml_c () =
(* The wrappers. *)
List.iter (
fun (name, style, _, _, _, _, _) ->
+ pr "/* Automatically generated wrapper for function\n";
+ pr " * ";
+ generate_ocaml_prototype name style;
+ pr " */\n";
+ pr "\n";
+
let params =
"gv" :: List.map (fun arg -> name_of_argt arg ^ "v") (snd style) in
pr "/* Emit prototype to appease gcc's -Wmissing-prototypes. */\n";
pr "CAMLprim value ocaml_guestfs_%s (value %s" name (List.hd params);
List.iter (pr ", value %s") (List.tl params); pr ");\n";
+ pr "\n";
pr "CAMLprim value\n";
pr "ocaml_guestfs_%s (value %s" name (List.hd params);
pr " guestfs_h *g = Guestfs_val (gv);\n";
pr " if (g == NULL)\n";
- pr " caml_failwith (\"%s: used handle after closing it\");\n" name;
+ pr " ocaml_guestfs_raise_closed (\"%s\");\n" name;
pr "\n";
List.iter (
| StringList n | DeviceList n ->
pr " ocaml_guestfs_free_strings (%s);\n" n;
| Pathname _ | Device _ | Dev_or_Path _ | String _ | OptString _
- | Bool _ | Int _ | Int64 _
+ | Bool _ | Int _ | Int64 _
| FileIn _ | FileOut _ -> ()
) (snd style);
pr "}\n";
pr "\n"
)
- ) all_functions
+ ) all_functions_sorted
and generate_ocaml_structure_decls () =
List.iter (
List.iter (
function
| Pathname _ | Device _ | Dev_or_Path _ | String _ | OptString _
- | Bool _ | Int _ | Int64 _
+ | Bool _ | Int _ | Int64 _
| FileIn _ | FileOut _ -> ()
| StringList n | DeviceList n -> pr " free (%s);\n" n
) (snd style)
| Bool _ -> pr "i" (* XXX Python has booleans? *)
| Int _ -> pr "i"
| Int64 _ -> pr "L" (* XXX Whoever thought it was a good idea to
- * emulate C's int/long/long long in Python?
- *)
+ * emulate C's int/long/long long in Python?
+ *)
) (snd style);
pr ":guestfs_%s\",\n" name;
pr " &py_g";
fprintf chan "=head1 %s\n\n%s\n" name longdesc;
close_out chan;
let cmd = sprintf "pod2text -w %d %s" width (Filename.quote filename) in
- let chan = Unix.open_process_in cmd in
+ let chan = open_process_in cmd in
let lines = ref [] in
let rec loop i =
let line = input_line chan in
loop (i+1)
) in
let lines = try loop 1 with End_of_file -> List.rev !lines in
- Unix.unlink filename;
- (match Unix.close_process_in chan with
- | Unix.WEXITED 0 -> ()
- | Unix.WEXITED i ->
+ unlink filename;
+ (match close_process_in chan with
+ | WEXITED 0 -> ()
+ | WEXITED i ->
failwithf "pod2text: process exited with non-zero status (%d)" i
- | Unix.WSIGNALED i | Unix.WSTOPPED i ->
+ | WSIGNALED i | WSTOPPED i ->
failwithf "pod2text: process signalled or stopped by signal %d" i
);
Hashtbl.add pod2text_memo key lines;
pr " free (%s);\n" n
| Bool n
| Int n
- | Int64 n -> ()
+ | Int64 n -> ()
) (snd style);
(* Check for errors. *)
pr "
) where
+
+-- Unfortunately some symbols duplicate ones already present
+-- in Prelude. We don't know which, so we hard-code a list
+-- here.
+import Prelude hiding (truncate)
+
import Foreign
import Foreign.C
import Foreign.C.Types
#include <string.h>
#include \"guestfs.h\"
+#include \"guestfs-internal.h\"
#include \"guestfs-internal-actions.h\"
#include \"guestfs_protocol.h\"
pr " sscanf (val, \"%%\" SCNi64, &r);\n";
pr " return r;\n"
| RBool _ ->
- pr " return strcmp (val, \"true\") == 0;\n"
+ pr " return STREQ (val, \"true\");\n"
| RConstString _
| RConstOptString _ ->
(* Can't return the input string here. Return a static
chan := open_out filename_new;
let close () =
close_out !chan;
- chan := stdout;
+ chan := Pervasives.stdout;
(* Is the new file different from the current file? *)
if Sys.file_exists filename && files_equal filename filename_new then
- Unix.unlink filename_new (* same, so skip it *)
+ unlink filename_new (* same, so skip it *)
else (
(* different, overwrite old one *)
- (try Unix.chmod filename 0o644 with Unix.Unix_error _ -> ());
- Unix.rename filename_new filename;
- Unix.chmod filename 0o444;
+ (try chmod filename 0o644 with Unix_error _ -> ());
+ rename filename_new filename;
+ chmod filename 0o444;
printf "written %s\n%!" filename;
)
in
close
+let perror msg = function
+ | Unix_error (err, _, _) ->
+ eprintf "%s: %s\n" msg (error_message err)
+ | exn ->
+ eprintf "%s: %s\n" msg (Printexc.to_string exn)
+
(* Main program. *)
let () =
- check_functions ();
-
- if not (Sys.file_exists "HACKING") then (
- eprintf "\
+ let lock_fd =
+ try openfile "HACKING" [O_RDWR] 0
+ with
+ | Unix_error (ENOENT, _, _) ->
+ eprintf "\
You are probably running this from the wrong directory.
Run it from the top source directory using the command
src/generator.ml
";
- exit 1
- );
+ exit 1
+ | exn ->
+ perror "open: HACKING" exn;
+ exit 1 in
+
+ (* Acquire a lock so parallel builds won't try to run the generator
+ * twice at the same time. Subsequent builds will wait for the first
+ * one to finish. Note the lock is released implicitly when the
+ * program exits.
+ *)
+ (try lockf lock_fd F_LOCK 1
+ with exn ->
+ perror "lock: HACKING" exn;
+ exit 1);
+
+ check_functions ();
let close = output_to "src/guestfs_protocol.x" in
generate_xdr ();
git.annexia.org / libguestfs.git / blobdiff