*)
#load "unix.cma";;
+#load "str.cma";;
open Printf
| StringList of string(* list of strings (each string cannot be NULL) *)
| Bool of string (* boolean *)
| Int of string (* int (smallish ints, signed, <= 31 bits) *)
+ (* These are treated as filenames (simple string parameters) in
+ * the C API and bindings. But in the RPC protocol, we transfer
+ * the actual file content up to or down from the daemon.
+ * FileIn: local machine -> daemon (in request)
+ * FileOut: daemon -> local machine (in reply)
+ * In guestfish (only), the special name "-" means read from
+ * stdin or write to stdout.
+ *)
+ | FileIn of string
+ | FileOut of string
type flags =
| ProtocolLimitWarning (* display warning about protocol size limits *)
C<value> can be NULL.");
+ ("set_qemu", (RErr, [String "qemu"]), -1, [FishAlias "qemu"],
+ [],
+ "set the qemu binary",
+ "\
+Set the qemu binary that we will use.
+
+The default is chosen when the library was compiled by the
+configure script.
+
+You can also override this by setting the C<LIBGUESTFS_QEMU>
+environment variable.
+
+The string C<qemu> is stashed in the libguestfs handle, so the caller
+must make sure it remains valid for the lifetime of the handle.
+
+Setting C<qemu> to C<NULL> restores the default qemu binary.");
+
+ ("get_qemu", (RConstString "qemu", []), -1, [],
+ [],
+ "get the qemu binary",
+ "\
+Return the current qemu binary.
+
+This is always non-NULL. If it wasn't set already, then this will
+return the default qemu binary name.");
+
("set_path", (RErr, [String "path"]), -1, [FishAlias "path"],
[],
"set the search path",
[],
"get verbose mode",
"\
-This returns the verbose messages flag.")
+This returns the verbose messages flag.");
+
+ ("is_ready", (RBool "ready", []), -1, [],
+ [],
+ "is ready to accept commands",
+ "\
+This returns true iff this handle is ready to accept commands
+(in the C<READY> state).
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("is_config", (RBool "config", []), -1, [],
+ [],
+ "is in configuration state",
+ "\
+This returns true iff this handle is being configured
+(in the C<CONFIG> state).
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("is_launching", (RBool "launching", []), -1, [],
+ [],
+ "is launching subprocess",
+ "\
+This returns true iff this handle is launching the subprocess
+(in the C<LAUNCHING> state).
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("is_busy", (RBool "busy", []), -1, [],
+ [],
+ "is busy processing a command",
+ "\
+This returns true iff this handle is busy processing a command
+(in the C<BUSY> state).
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("get_state", (RInt "state", []), -1, [],
+ [],
+ "get the current state",
+ "\
+This returns the current state as an opaque integer. This is
+only useful for printing debug and internal error messages.
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("set_busy", (RErr, []), -1, [NotInFish],
+ [],
+ "set state to busy",
+ "\
+This sets the state to C<BUSY>. This is only used when implementing
+actions using the low-level API.
+
+For more information on states, see L<guestfs(3)>.");
+
+ ("set_ready", (RErr, []), -1, [NotInFish],
+ [],
+ "set state to ready",
+ "\
+This sets the state to C<READY>. This is only used when implementing
+actions using the low-level API.
+
+For more information on states, see L<guestfs(3)>.");
+
]
let daemon_functions = [
Note that this function cannot correctly handle binary files
(specifically, files containing C<\\0> character which is treated
-as end of string). For those you need to use the C<guestfs_read_file>
+as end of string). For those you need to use the C<guestfs_download>
function which has a more complex interface.");
("ll", (RString "listing", [String "directory"]), 5, [],
("tune2fs_l", (RHashtable "superblock", [String "device"]), 55, [],
[], (* XXX test *)
- "get ext2/ext3 superblock details",
+ "get ext2/ext3/ext4 superblock details",
"\
-This returns the contents of the ext2 or ext3 filesystem superblock
-on C<device>.
+This returns the contents of the ext2, ext3 or ext4 filesystem
+superblock on C<device>.
It is the same as running C<tune2fs -l device>. See L<tune2fs(8)>
manpage for more details. The list of fields returned isn't
This uses the L<blockdev(8)> command.");
+ ("upload", (RErr, [FileIn "filename"; String "remotefilename"]), 66, [],
+ [InitBasicFS, TestOutput (
+ (* Pick a file from cwd which isn't likely to change. *)
+ [["upload"; "COPYING.LIB"; "/COPYING.LIB"];
+ ["checksum"; "md5"; "/COPYING.LIB"]], "e3eda01d9815f8d24aae2dbd89b68b06")],
+ "upload a file from the local machine",
+ "\
+Upload local file C<filename> to C<remotefilename> on the
+filesystem.
+
+C<filename> can also be a named pipe.
+
+See also C<guestfs_download>.");
+
+ ("download", (RErr, [String "remotefilename"; FileOut "filename"]), 67, [],
+ [InitBasicFS, TestOutput (
+ (* Pick a file from cwd which isn't likely to change. *)
+ [["upload"; "COPYING.LIB"; "/COPYING.LIB"];
+ ["download"; "/COPYING.LIB"; "testdownload.tmp"];
+ ["upload"; "testdownload.tmp"; "/upload"];
+ ["checksum"; "md5"; "/upload"]], "e3eda01d9815f8d24aae2dbd89b68b06")],
+ "download a file to the local machine",
+ "\
+Download file C<remotefilename> and save it as C<filename>
+on the local machine.
+
+C<filename> can also be a named pipe.
+
+See also C<guestfs_upload>, C<guestfs_cat>.");
+
+ ("checksum", (RString "checksum", [String "csumtype"; String "path"]), 68, [],
+ [InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "crc"; "/new"]], "935282863");
+ InitBasicFS, TestLastFail (
+ [["checksum"; "crc"; "/new"]]);
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "md5"; "/new"]], "d8e8fca2dc0f896fd7cb4cb0031ba249");
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "sha1"; "/new"]], "4e1243bd22c66e76c2ba9eddc1f91394e57f9f83");
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "sha224"; "/new"]], "52f1bf093f4b7588726035c176c0cdb4376cfea53819f1395ac9e6ec");
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "sha256"; "/new"]], "f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2");
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "sha384"; "/new"]], "109bb6b5b6d5547c1ce03c7a8bd7d8f80c1cb0957f50c4f7fda04692079917e4f9cad52b878f3d8234e1a170b154b72d");
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "test\n"; "0"];
+ ["checksum"; "sha512"; "/new"]], "0e3e75234abc68f4378a86b3f4b32a198ba301845b0cd6e50106e874345700cc6663a86c1ea125dc5e92be17c98f9a0f85ca9d5f595db2012f7cc3571945c123")],
+ "compute MD5, SHAx or CRC checksum of file",
+ "\
+This call computes the MD5, SHAx or CRC checksum of the
+file named C<path>.
+
+The type of checksum to compute is given by the C<csumtype>
+parameter which must have one of the following values:
+
+=over 4
+
+=item C<crc>
+
+Compute the cyclic redundancy check (CRC) specified by POSIX
+for the C<cksum> command.
+
+=item C<md5>
+
+Compute the MD5 hash (using the C<md5sum> program).
+
+=item C<sha1>
+
+Compute the SHA1 hash (using the C<sha1sum> program).
+
+=item C<sha224>
+
+Compute the SHA224 hash (using the C<sha224sum> program).
+
+=item C<sha256>
+
+Compute the SHA256 hash (using the C<sha256sum> program).
+
+=item C<sha384>
+
+Compute the SHA384 hash (using the C<sha384sum> program).
+
+=item C<sha512>
+
+Compute the SHA512 hash (using the C<sha512sum> program).
+
+=back
+
+The checksum is returned as a printable string.");
+
+ ("tar_in", (RErr, [FileIn "tarfile"; String "directory"]), 69, [],
+ [InitBasicFS, TestOutput (
+ [["tar_in"; "images/helloworld.tar"; "/"];
+ ["cat"; "/hello"]], "hello\n")],
+ "unpack tarfile to directory",
+ "\
+This command uploads and unpacks local file C<tarfile> (an
+I<uncompressed> tar file) into C<directory>.
+
+To upload a compressed tarball, use C<guestfs_tgz_in>.");
+
+ ("tar_out", (RErr, [String "directory"; FileOut "tarfile"]), 70, [],
+ [],
+ "pack directory into tarfile",
+ "\
+This command packs the contents of C<directory> and downloads
+it to local file C<tarfile>.
+
+To download a compressed tarball, use C<guestfs_tgz_out>.");
+
+ ("tgz_in", (RErr, [FileIn "tarball"; String "directory"]), 71, [],
+ [InitBasicFS, TestOutput (
+ [["tgz_in"; "images/helloworld.tar.gz"; "/"];
+ ["cat"; "/hello"]], "hello\n")],
+ "unpack compressed tarball to directory",
+ "\
+This command uploads and unpacks local file C<tarball> (a
+I<gzip compressed> tar file) into C<directory>.
+
+To upload an uncompressed tarball, use C<guestfs_tar_in>.");
+
+ ("tgz_out", (RErr, [String "directory"; FileOut "tarball"]), 72, [],
+ [],
+ "pack directory into compressed tarball",
+ "\
+This command packs the contents of C<directory> and downloads
+it to local file C<tarball>.
+
+To download an uncompressed tarball, use C<guestfs_tar_out>.");
+
+ ("mount_ro", (RErr, [String "device"; String "mountpoint"]), 73, [],
+ [InitBasicFS, TestLastFail (
+ [["umount"; "/"];
+ ["mount_ro"; "/dev/sda1"; "/"];
+ ["touch"; "/new"]]);
+ InitBasicFS, TestOutput (
+ [["write_file"; "/new"; "data"; "0"];
+ ["umount"; "/"];
+ ["mount_ro"; "/dev/sda1"; "/"];
+ ["cat"; "/new"]], "data")],
+ "mount a guest disk, read-only",
+ "\
+This is the same as the C<guestfs_mount> command, but it
+mounts the filesystem with the read-only (I<-o ro>) flag.");
+
+ ("mount_options", (RErr, [String "options"; String "device"; String "mountpoint"]), 74, [],
+ [],
+ "mount a guest disk with mount options",
+ "\
+This is the same as the C<guestfs_mount> command, but it
+allows you to set the mount options as for the
+L<mount(8)> I<-o> flag.");
+
+ ("mount_vfs", (RErr, [String "options"; String "vfstype"; String "device"; String "mountpoint"]), 75, [],
+ [],
+ "mount a guest disk with mount options and vfstype",
+ "\
+This is the same as the C<guestfs_mount> command, but it
+allows you to set both the mount options and the vfstype
+as for the L<mount(8)> I<-o> and I<-t> flags.");
+
+ ("debug", (RString "result", [String "subcmd"; StringList "extraargs"]), 76, [],
+ [],
+ "debugging and internals",
+ "\
+The C<guestfs_debug> command exposes some internals of
+C<guestfsd> (the guestfs daemon) that runs inside the
+qemu subprocess.
+
+There is no comprehensive help for this command. You have
+to look at the file C<daemon/debug.c> in the libguestfs source
+to find out what you can do.");
+
+ ("lvremove", (RErr, [String "device"]), 77, [],
+ [InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["lvremove"; "/dev/VG/LV1"];
+ ["lvs"]], ["/dev/VG/LV2"]);
+ InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["lvremove"; "/dev/VG"];
+ ["lvs"]], []);
+ InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["lvremove"; "/dev/VG"];
+ ["vgs"]], ["VG"])],
+ "remove an LVM logical volume",
+ "\
+Remove an LVM logical volume C<device>, where C<device> is
+the path to the LV, such as C</dev/VG/LV>.
+
+You can also remove all LVs in a volume group by specifying
+the VG name, C</dev/VG>.");
+
+ ("vgremove", (RErr, [String "vgname"]), 78, [],
+ [InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["vgremove"; "VG"];
+ ["lvs"]], []);
+ InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["vgremove"; "VG"];
+ ["vgs"]], [])],
+ "remove an LVM volume group",
+ "\
+Remove an LVM volume group C<vgname>, (for example C<VG>).
+
+This also forcibly removes all logical volumes in the volume
+group (if any).");
+
+ ("pvremove", (RErr, [String "device"]), 79, [],
+ [InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["vgremove"; "VG"];
+ ["pvremove"; "/dev/sda"];
+ ["lvs"]], []);
+ InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["vgremove"; "VG"];
+ ["pvremove"; "/dev/sda"];
+ ["vgs"]], []);
+ InitEmpty, TestOutputList (
+ [["pvcreate"; "/dev/sda"];
+ ["vgcreate"; "VG"; "/dev/sda"];
+ ["lvcreate"; "LV1"; "VG"; "50"];
+ ["lvcreate"; "LV2"; "VG"; "50"];
+ ["vgremove"; "VG"];
+ ["pvremove"; "/dev/sda"];
+ ["pvs"]], [])],
+ "remove an LVM physical volume",
+ "\
+This wipes a physical volume C<device> so that LVM will no longer
+recognise it.
+
+The implementation uses the C<pvremove> command which refuses to
+wipe physical volumes that contain any volume groups, so you have
+to remove those first.");
+
+ ("set_e2label", (RErr, [String "device"; String "label"]), 80, [],
+ [InitBasicFS, TestOutput (
+ [["set_e2label"; "/dev/sda1"; "testlabel"];
+ ["get_e2label"; "/dev/sda1"]], "testlabel")],
+ "set the ext2/3/4 filesystem label",
+ "\
+This sets the ext2/3/4 filesystem label of the filesystem on
+C<device> to C<label>. Filesystem labels are limited to
+16 characters.
+
+You can use either C<guestfs_tune2fs_l> or C<guestfs_get_e2label>
+to return the existing label on a filesystem.");
+
+ ("get_e2label", (RString "label", [String "device"]), 81, [],
+ [],
+ "get the ext2/3/4 filesystem label",
+ "\
+This returns the ext2/3/4 filesystem label of the filesystem on
+C<device>.");
+
+ ("set_e2uuid", (RErr, [String "device"; String "uuid"]), 82, [],
+ [InitBasicFS, TestOutput (
+ [["set_e2uuid"; "/dev/sda1"; "a3a61220-882b-4f61-89f4-cf24dcc7297d"];
+ ["get_e2uuid"; "/dev/sda1"]], "a3a61220-882b-4f61-89f4-cf24dcc7297d");
+ InitBasicFS, TestOutput (
+ [["set_e2uuid"; "/dev/sda1"; "clear"];
+ ["get_e2uuid"; "/dev/sda1"]], "");
+ (* We can't predict what UUIDs will be, so just check the commands run. *)
+ InitBasicFS, TestRun (
+ [["set_e2uuid"; "/dev/sda1"; "random"]]);
+ InitBasicFS, TestRun (
+ [["set_e2uuid"; "/dev/sda1"; "time"]])],
+ "set the ext2/3/4 filesystem UUID",
+ "\
+This sets the ext2/3/4 filesystem UUID of the filesystem on
+C<device> to C<uuid>. The format of the UUID and alternatives
+such as C<clear>, C<random> and C<time> are described in the
+L<tune2fs(8)> manpage.
+
+You can use either C<guestfs_tune2fs_l> or C<guestfs_get_e2uuid>
+to return the existing UUID of a filesystem.");
+
+ ("get_e2uuid", (RString "uuid", [String "device"]), 83, [],
+ [],
+ "get the ext2/3/4 filesystem UUID",
+ "\
+This returns the ext2/3/4 filesystem UUID of the filesystem on
+C<device>.");
+
]
let all_functions = non_daemon_functions @ daemon_functions
loop 0 xs
let name_of_argt = function
- | String n | OptString n | StringList n | Bool n | Int n -> n
+ | String n | OptString n | StringList n | Bool n | Int n
+ | FileIn n | FileOut n -> n
let seq_of_test = function
| TestRun s | TestOutput (s, _) | TestOutputList (s, _)
| StringList n -> pr " str %s<>;\n" n
| Bool n -> pr " bool %s;\n" n
| Int n -> pr " int %s;\n" n
+ | FileIn _ | FileOut _ -> ()
) args;
pr "};\n\n"
);
fun (shortname, _, proc_nr, _, _, _, _) ->
pr " GUESTFS_PROC_%s = %d,\n" (String.uppercase shortname) proc_nr
) daemon_functions;
- pr " GUESTFS_PROC_dummy\n"; (* so we don't have a "hanging comma" *)
+ pr " GUESTFS_PROC_NR_PROCS\n";
pr "};\n";
pr "\n";
(* Message header, etc. *)
pr "\
+/* The communication protocol is now documented in the guestfs(3)
+ * manpage.
+ */
+
const GUESTFS_PROGRAM = 0x2000F5F5;
const GUESTFS_PROTOCOL_VERSION = 1;
+/* These constants must be larger than any possible message length. */
+const GUESTFS_LAUNCH_FLAG = 0xf5f55ff5;
+const GUESTFS_CANCEL_FLAG = 0xffffeeee;
+
enum guestfs_message_direction {
GUESTFS_DIRECTION_CALL = 0, /* client -> daemon */
GUESTFS_DIRECTION_REPLY = 1 /* daemon -> client */
const GUESTFS_ERROR_LEN = 256;
struct guestfs_message_error {
- string error<GUESTFS_ERROR_LEN>; /* error message */
+ string error_message<GUESTFS_ERROR_LEN>;
};
struct guestfs_message_header {
unsigned serial; /* message serial number */
guestfs_message_status status;
};
+
+const GUESTFS_MAX_CHUNK_SIZE = 8192;
+
+struct guestfs_chunk {
+ int cancel; /* if non-zero, transfer is cancelled */
+ /* data size is 0 bytes if the transfer has finished successfully */
+ opaque data<GUESTFS_MAX_CHUNK_SIZE>;
+};
"
(* Generate the guestfs-structs.h file. *)
and generate_client_actions () =
generate_header CStyle LGPLv2;
+ pr "\
+#include <stdio.h>
+#include <stdlib.h>
+
+#include \"guestfs.h\"
+#include \"guestfs_protocol.h\"
+
+#define error guestfs_error
+#define perrorf guestfs_perrorf
+#define safe_malloc guestfs_safe_malloc
+#define safe_realloc guestfs_safe_realloc
+#define safe_strdup guestfs_safe_strdup
+#define safe_memdup guestfs_safe_memdup
+
+/* Check the return message from a call for validity. */
+static int
+check_reply_header (guestfs_h *g,
+ const struct guestfs_message_header *hdr,
+ int proc_nr, int serial)
+{
+ if (hdr->prog != GUESTFS_PROGRAM) {
+ error (g, \"wrong program (%%d/%%d)\", hdr->prog, GUESTFS_PROGRAM);
+ return -1;
+ }
+ if (hdr->vers != GUESTFS_PROTOCOL_VERSION) {
+ error (g, \"wrong protocol version (%%d/%%d)\",
+ hdr->vers, GUESTFS_PROTOCOL_VERSION);
+ return -1;
+ }
+ if (hdr->direction != GUESTFS_DIRECTION_REPLY) {
+ error (g, \"unexpected message direction (%%d/%%d)\",
+ hdr->direction, GUESTFS_DIRECTION_REPLY);
+ return -1;
+ }
+ if (hdr->proc != proc_nr) {
+ error (g, \"unexpected procedure number (%%d/%%d)\", hdr->proc, proc_nr);
+ return -1;
+ }
+ if (hdr->serial != serial) {
+ error (g, \"unexpected serial (%%d/%%d)\", hdr->serial, serial);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Check we are in the right state to run a high-level action. */
+static int
+check_state (guestfs_h *g, const char *caller)
+{
+ if (!guestfs_is_ready (g)) {
+ if (guestfs_is_config (g))
+ error (g, \"%%s: call launch() before using this function\",
+ caller);
+ else if (guestfs_is_launching (g))
+ error (g, \"%%s: call wait_ready() before using this function\",
+ caller);
+ else
+ error (g, \"%%s called from the wrong state, %%d != READY\",
+ caller, guestfs_get_state (g));
+ return -1;
+ }
+ return 0;
+}
+
+";
+
(* Client-side stubs for each function. *)
List.iter (
fun (shortname, style, _, _, _, _, _) ->
let name = "guestfs_" ^ shortname in
- (* Generate the return value struct. *)
- pr "struct %s_rv {\n" shortname;
- pr " int cb_done; /* flag to indicate callback was called */\n";
+ (* Generate the context struct which stores the high-level
+ * state between callback functions.
+ *)
+ pr "struct %s_ctx {\n" shortname;
+ pr " /* This flag is set by the callbacks, so we know we've done\n";
+ pr " * the callbacks as expected, and in the right sequence.\n";
+ pr " * 0 = not called, 1 = reply_cb called.\n";
+ pr " */\n";
+ pr " int cb_sequence;\n";
pr " struct guestfs_message_header hdr;\n";
pr " struct guestfs_message_error err;\n";
(match fst style with
| RHashtable _ ->
pr " struct %s_ret ret;\n" name
);
- pr "};\n\n";
+ pr "};\n";
+ pr "\n";
- (* Generate the callback function. *)
- pr "static void %s_cb (guestfs_h *g, void *data, XDR *xdr)\n" shortname;
+ (* Generate the reply callback function. *)
+ pr "static void %s_reply_cb (guestfs_h *g, void *data, XDR *xdr)\n" shortname;
pr "{\n";
- pr " struct %s_rv *rv = (struct %s_rv *) data;\n" shortname shortname;
+ pr " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n";
+ pr " struct %s_ctx *ctx = (struct %s_ctx *) data;\n" shortname shortname;
+ pr "\n";
+ pr " /* This should definitely not happen. */\n";
+ pr " if (ctx->cb_sequence != 0) {\n";
+ pr " ctx->cb_sequence = 9999;\n";
+ pr " error (g, \"%%s: internal error: reply callback called twice\", \"%s\");\n" name;
+ pr " return;\n";
+ pr " }\n";
+ pr "\n";
+ pr " ml->main_loop_quit (ml, g);\n";
pr "\n";
- pr " if (!xdr_guestfs_message_header (xdr, &rv->hdr)) {\n";
- pr " error (g, \"%s: failed to parse reply header\");\n" name;
+ pr " if (!xdr_guestfs_message_header (xdr, &ctx->hdr)) {\n";
+ pr " error (g, \"%%s: failed to parse reply header\", \"%s\");\n" name;
pr " return;\n";
pr " }\n";
- pr " if (rv->hdr.status == GUESTFS_STATUS_ERROR) {\n";
- pr " if (!xdr_guestfs_message_error (xdr, &rv->err)) {\n";
- pr " error (g, \"%s: failed to parse reply error\");\n" name;
+ pr " if (ctx->hdr.status == GUESTFS_STATUS_ERROR) {\n";
+ pr " if (!xdr_guestfs_message_error (xdr, &ctx->err)) {\n";
+ pr " error (g, \"%%s: failed to parse reply error\", \"%s\");\n"
+ name;
pr " return;\n";
pr " }\n";
pr " goto done;\n";
| RPVList _ | RVGList _ | RLVList _
| RStat _ | RStatVFS _
| RHashtable _ ->
- pr " if (!xdr_%s_ret (xdr, &rv->ret)) {\n" name;
- pr " error (g, \"%s: failed to parse reply\");\n" name;
+ pr " if (!xdr_%s_ret (xdr, &ctx->ret)) {\n" name;
+ pr " error (g, \"%%s: failed to parse reply\", \"%s\");\n" name;
pr " return;\n";
pr " }\n";
);
pr " done:\n";
- pr " rv->cb_done = 1;\n";
- pr " main_loop.main_loop_quit (g);\n";
+ pr " ctx->cb_sequence = 1;\n";
pr "}\n\n";
(* Generate the action stub. *)
| _ -> pr " struct %s_args args;\n" name
);
- pr " struct %s_rv rv;\n" shortname;
+ pr " struct %s_ctx ctx;\n" shortname;
+ pr " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n";
pr " int serial;\n";
pr "\n";
- pr " if (g->state != READY) {\n";
- pr " error (g, \"%s called from the wrong state, %%d != READY\",\n"
- name;
- pr " g->state);\n";
- pr " return %s;\n" error_code;
- pr " }\n";
+ pr " if (check_state (g, \"%s\") == -1) return %s;\n" name error_code;
+ pr " guestfs_set_busy (g);\n";
pr "\n";
- pr " memset (&rv, 0, sizeof rv);\n";
+ pr " memset (&ctx, 0, sizeof ctx);\n";
pr "\n";
+ (* Send the main header and arguments. *)
(match snd style with
| [] ->
- pr " serial = dispatch (g, GUESTFS_PROC_%s, NULL, NULL);\n"
+ pr " serial = guestfs__send_sync (g, GUESTFS_PROC_%s, NULL, NULL);\n"
(String.uppercase shortname)
| args ->
List.iter (
pr " args.%s = %s;\n" n n
| Int n ->
pr " args.%s = %s;\n" n n
+ | FileIn _ | FileOut _ -> ()
) args;
- pr " serial = dispatch (g, GUESTFS_PROC_%s,\n"
+ pr " serial = guestfs__send_sync (g, GUESTFS_PROC_%s,\n"
(String.uppercase shortname);
- pr " (xdrproc_t) xdr_%s_args, (char *) &args);\n"
+ pr " (xdrproc_t) xdr_%s_args, (char *) &args);\n"
name;
);
- pr " if (serial == -1)\n";
+ pr " if (serial == -1) {\n";
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
+ pr " }\n";
pr "\n";
- pr " rv.cb_done = 0;\n";
- pr " g->reply_cb_internal = %s_cb;\n" shortname;
- pr " g->reply_cb_internal_data = &rv;\n";
- pr " main_loop.main_loop_run (g);\n";
- pr " g->reply_cb_internal = NULL;\n";
- pr " g->reply_cb_internal_data = NULL;\n";
- pr " if (!rv.cb_done) {\n";
- pr " error (g, \"%s failed, see earlier error messages\");\n" name;
+ (* Send any additional files (FileIn) requested. *)
+ let need_read_reply_label = ref false in
+ List.iter (
+ function
+ | FileIn n ->
+ pr " {\n";
+ pr " int r;\n";
+ pr "\n";
+ pr " r = guestfs__send_file_sync (g, %s);\n" n;
+ pr " if (r == -1) {\n";
+ pr " guestfs_set_ready (g);\n";
+ pr " return %s;\n" error_code;
+ pr " }\n";
+ pr " if (r == -2) /* daemon cancelled */\n";
+ pr " goto read_reply;\n";
+ need_read_reply_label := true;
+ pr " }\n";
+ pr "\n";
+ | _ -> ()
+ ) (snd style);
+
+ (* Wait for the reply from the remote end. *)
+ if !need_read_reply_label then pr " read_reply:\n";
+ pr " guestfs__switch_to_receiving (g);\n";
+ pr " ctx.cb_sequence = 0;\n";
+ pr " guestfs_set_reply_callback (g, %s_reply_cb, &ctx);\n" shortname;
+ pr " (void) ml->main_loop_run (ml, g);\n";
+ pr " guestfs_set_reply_callback (g, NULL, NULL);\n";
+ pr " if (ctx.cb_sequence != 1) {\n";
+ pr " error (g, \"%%s reply failed, see earlier error messages\", \"%s\");\n" name;
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
pr " }\n";
pr "\n";
- pr " if (check_reply_header (g, &rv.hdr, GUESTFS_PROC_%s, serial) == -1)\n"
+ pr " if (check_reply_header (g, &ctx.hdr, GUESTFS_PROC_%s, serial) == -1) {\n"
(String.uppercase shortname);
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
+ pr " }\n";
pr "\n";
- pr " if (rv.hdr.status == GUESTFS_STATUS_ERROR) {\n";
- pr " error (g, \"%%s\", rv.err.error);\n";
+ pr " if (ctx.hdr.status == GUESTFS_STATUS_ERROR) {\n";
+ pr " error (g, \"%%s\", ctx.err.error_message);\n";
+ pr " guestfs_set_ready (g);\n";
pr " return %s;\n" error_code;
pr " }\n";
pr "\n";
+ (* Expecting to receive further files (FileOut)? *)
+ List.iter (
+ function
+ | FileOut n ->
+ pr " if (guestfs__receive_file_sync (g, %s) == -1) {\n" n;
+ pr " guestfs_set_ready (g);\n";
+ pr " return %s;\n" error_code;
+ pr " }\n";
+ pr "\n";
+ | _ -> ()
+ ) (snd style);
+
+ pr " guestfs_set_ready (g);\n";
+
(match fst style with
| RErr -> pr " return 0;\n"
| RInt n | RInt64 n | RBool n ->
- pr " return rv.ret.%s;\n" n
+ pr " return ctx.ret.%s;\n" n
| RConstString _ ->
failwithf "RConstString cannot be returned from a daemon function"
| RString n ->
- pr " return rv.ret.%s; /* caller will free */\n" n
+ pr " return ctx.ret.%s; /* caller will free */\n" n
| RStringList n | RHashtable n ->
pr " /* caller will free this, but we need to add a NULL entry */\n";
- pr " rv.ret.%s.%s_val =" n n;
- pr " safe_realloc (g, rv.ret.%s.%s_val,\n" n n;
- pr " sizeof (char *) * (rv.ret.%s.%s_len + 1));\n"
+ pr " ctx.ret.%s.%s_val =\n" n n;
+ pr " safe_realloc (g, ctx.ret.%s.%s_val,\n" n n;
+ pr " sizeof (char *) * (ctx.ret.%s.%s_len + 1));\n"
n n;
- pr " rv.ret.%s.%s_val[rv.ret.%s.%s_len] = NULL;\n" n n n n;
- pr " return rv.ret.%s.%s_val;\n" n n
+ pr " ctx.ret.%s.%s_val[ctx.ret.%s.%s_len] = NULL;\n" n n n n;
+ pr " return ctx.ret.%s.%s_val;\n" n n
| RIntBool _ ->
pr " /* caller with free this */\n";
- pr " return safe_memdup (g, &rv.ret, sizeof (rv.ret));\n"
+ pr " return safe_memdup (g, &ctx.ret, sizeof (ctx.ret));\n"
| RPVList n | RVGList n | RLVList n
| RStat n | RStatVFS n ->
pr " /* caller will free this */\n";
- pr " return safe_memdup (g, &rv.ret.%s, sizeof (rv.ret.%s));\n" n n
+ pr " return safe_memdup (g, &ctx.ret.%s, sizeof (ctx.ret.%s));\n" n n
);
pr "}\n\n"
and generate_daemon_actions () =
generate_header CStyle GPLv2;
- pr "#define _GNU_SOURCE // for strchrnul\n";
+ pr "#include <config.h>\n";
pr "\n";
pr "#include <stdio.h>\n";
pr "#include <stdlib.h>\n";
| StringList n -> pr " char **%s;\n" n
| Bool n -> pr " int %s;\n" n
| Int n -> pr " int %s;\n" n
+ | FileIn _ | FileOut _ -> ()
) args
);
pr "\n";
pr " %s = args.%s.%s_val;\n" n n n
| Bool n -> pr " %s = args.%s;\n" n n
| Int n -> pr " %s = args.%s;\n" n n
+ | FileIn _ | FileOut _ -> ()
) args;
pr "\n"
);
+ (* Don't want to call the impl with any FileIn or FileOut
+ * parameters, since these go "outside" the RPC protocol.
+ *)
+ let argsnofile =
+ List.filter (function FileIn _ | FileOut _ -> false | _ -> true)
+ (snd style) in
pr " r = do_%s " name;
- generate_call_args style;
+ generate_call_args argsnofile;
pr ";\n";
pr " if (r == %s)\n" error_code;
pr " goto done;\n";
pr "\n";
- (match fst style with
- | RErr -> pr " reply (NULL, NULL);\n"
- | RInt n | RInt64 n | RBool n ->
- pr " struct guestfs_%s_ret ret;\n" name;
- pr " ret.%s = r;\n" n;
- pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n" name
- | RConstString _ ->
- failwithf "RConstString cannot be returned from a daemon function"
- | RString n ->
- pr " struct guestfs_%s_ret ret;\n" name;
- pr " ret.%s = r;\n" n;
- pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n" name;
- pr " free (r);\n"
- | RStringList n | RHashtable n ->
- pr " struct guestfs_%s_ret ret;\n" name;
- pr " ret.%s.%s_len = count_strings (r);\n" n n;
- pr " ret.%s.%s_val = r;\n" n n;
- pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n" name;
- pr " free_strings (r);\n"
- | RIntBool _ ->
- pr " reply ((xdrproc_t) xdr_guestfs_%s_ret, (char *) r);\n" name;
- pr " xdr_free ((xdrproc_t) xdr_guestfs_%s_ret, (char *) r);\n" name
- | RPVList n | RVGList n | RLVList n
- | RStat n | RStatVFS n ->
- pr " struct guestfs_%s_ret ret;\n" name;
- pr " ret.%s = *r;\n" n;
- pr " reply ((xdrproc_t) xdr_guestfs_%s_ret, (char *) &ret);\n" name;
- pr " xdr_free ((xdrproc_t) xdr_guestfs_%s_ret, (char *) &ret);\n" name
+ (* If there are any FileOut parameters, then the impl must
+ * send its own reply.
+ *)
+ let no_reply =
+ List.exists (function FileOut _ -> true | _ -> false) (snd style) in
+ if no_reply then
+ pr " /* do_%s has already sent a reply */\n" name
+ else (
+ match fst style with
+ | RErr -> pr " reply (NULL, NULL);\n"
+ | RInt n | RInt64 n | RBool n ->
+ pr " struct guestfs_%s_ret ret;\n" name;
+ pr " ret.%s = r;\n" n;
+ pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n"
+ name
+ | RConstString _ ->
+ failwithf "RConstString cannot be returned from a daemon function"
+ | RString n ->
+ pr " struct guestfs_%s_ret ret;\n" name;
+ pr " ret.%s = r;\n" n;
+ pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n"
+ name;
+ pr " free (r);\n"
+ | RStringList n | RHashtable n ->
+ pr " struct guestfs_%s_ret ret;\n" name;
+ pr " ret.%s.%s_len = count_strings (r);\n" n n;
+ pr " ret.%s.%s_val = r;\n" n n;
+ pr " reply ((xdrproc_t) &xdr_guestfs_%s_ret, (char *) &ret);\n"
+ name;
+ pr " free_strings (r);\n"
+ | RIntBool _ ->
+ pr " reply ((xdrproc_t) xdr_guestfs_%s_ret, (char *) r);\n"
+ name;
+ pr " xdr_free ((xdrproc_t) xdr_guestfs_%s_ret, (char *) r);\n" name
+ | RPVList n | RVGList n | RLVList n
+ | RStat n | RStatVFS n ->
+ pr " struct guestfs_%s_ret ret;\n" name;
+ pr " ret.%s = *r;\n" n;
+ pr " reply ((xdrproc_t) xdr_guestfs_%s_ret, (char *) &ret);\n"
+ name;
+ pr " xdr_free ((xdrproc_t) xdr_guestfs_%s_ret, (char *) &ret);\n"
+ name
);
(* Free the args. *)
char c = 0;
int failed = 0;
const char *srcdir;
+ const char *filename;
int fd;
- char buf[256];
int nr_tests, test_num = 0;
no_test_warnings ();
srcdir = getenv (\"srcdir\");
if (!srcdir) srcdir = \".\";
- guestfs_set_path (g, srcdir);
+ chdir (srcdir);
+ guestfs_set_path (g, \".\");
- snprintf (buf, sizeof buf, \"%%s/test1.img\", srcdir);
- fd = open (buf, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
+ filename = \"test1.img\";
+ fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
- perror (buf);
+ perror (filename);
exit (1);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (close (fd) == -1) {
- perror (buf);
- unlink (buf);
+ perror (filename);
+ unlink (filename);
exit (1);
}
- if (guestfs_add_drive (g, buf) == -1) {
- printf (\"guestfs_add_drive %%s FAILED\\n\", buf);
+ if (guestfs_add_drive (g, filename) == -1) {
+ printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
exit (1);
}
- snprintf (buf, sizeof buf, \"%%s/test2.img\", srcdir);
- fd = open (buf, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
+ filename = \"test2.img\";
+ fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
- perror (buf);
+ perror (filename);
exit (1);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (close (fd) == -1) {
- perror (buf);
- unlink (buf);
+ perror (filename);
+ unlink (filename);
exit (1);
}
- if (guestfs_add_drive (g, buf) == -1) {
- printf (\"guestfs_add_drive %%s FAILED\\n\", buf);
+ if (guestfs_add_drive (g, filename) == -1) {
+ printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
exit (1);
}
- snprintf (buf, sizeof buf, \"%%s/test3.img\", srcdir);
- fd = open (buf, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
+ filename = \"test3.img\";
+ fd = open (filename, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK|O_TRUNC, 0666);
if (fd == -1) {
- perror (buf);
+ perror (filename);
exit (1);
}
if (lseek (fd, %d, SEEK_SET) == -1) {
perror (\"lseek\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (write (fd, &c, 1) == -1) {
perror (\"write\");
close (fd);
- unlink (buf);
+ unlink (filename);
exit (1);
}
if (close (fd) == -1) {
- perror (buf);
- unlink (buf);
+ perror (filename);
+ unlink (filename);
exit (1);
}
- if (guestfs_add_drive (g, buf) == -1) {
- printf (\"guestfs_add_drive %%s FAILED\\n\", buf);
+ if (guestfs_add_drive (g, filename) == -1) {
+ printf (\"guestfs_add_drive %%s FAILED\\n\", filename);
exit (1);
}
pr "\n";
pr " guestfs_close (g);\n";
- pr " snprintf (buf, sizeof buf, \"%%s/test1.img\", srcdir);\n";
- pr " unlink (buf);\n";
- pr " snprintf (buf, sizeof buf, \"%%s/test2.img\", srcdir);\n";
- pr " unlink (buf);\n";
- pr " snprintf (buf, sizeof buf, \"%%s/test3.img\", srcdir);\n";
- pr " unlink (buf);\n";
+ pr " unlink (\"test1.img\");\n";
+ pr " unlink (\"test2.img\");\n";
+ pr " unlink (\"test3.img\");\n";
pr "\n";
pr " if (failed > 0) {\n";
| OptString _, _
| Int _, _
| Bool _, _ -> ()
+ | FileIn _, _ | FileOut _, _ -> ()
| StringList n, arg ->
pr " char *%s[] = {\n" n;
let strs = string_split " " arg in
(* Generate the parameters. *)
List.iter (
function
- | String _, arg -> pr ", \"%s\"" (c_quote arg)
+ | String _, arg
+ | FileIn _, arg | FileOut _, arg ->
+ pr ", \"%s\"" (c_quote arg)
| OptString _, arg ->
if arg = "NULL" then pr ", NULL" else pr ", \"%s\"" (c_quote arg)
| StringList n, _ ->
List.iter (
function
| String n
- | OptString n -> pr " const char *%s;\n" n
+ | OptString n
+ | FileIn n
+ | FileOut n -> pr " const char *%s;\n" n
| StringList n -> pr " char **%s;\n" n
| Bool n -> pr " int %s;\n" n
| Int n -> pr " int %s;\n" n
| OptString name ->
pr " %s = strcmp (argv[%d], \"\") != 0 ? argv[%d] : NULL;\n"
name i i
+ | FileIn name ->
+ pr " %s = strcmp (argv[%d], \"-\") != 0 ? argv[%d] : \"/dev/stdin\";\n"
+ name i i
+ | FileOut name ->
+ pr " %s = strcmp (argv[%d], \"-\") != 0 ? argv[%d] : \"/dev/stdout\";\n"
+ name i i
| StringList name ->
pr " %s = parse_string_list (argv[%d]);\n" name i
| Bool name ->
try find_map (function FishAction n -> Some n | _ -> None) flags
with Not_found -> sprintf "guestfs_%s" name in
pr " r = %s " fn;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
(* Check return value for errors and display command results. *)
fun (_, _, _, flags, _, _, _) -> not (List.mem NotInFish flags)
) all_functions_sorted in
+ let rex = Str.regexp "C<guestfs_\\([^>]+\\)>" in
+
List.iter (
fun (name, style, _, flags, _, _, longdesc) ->
- let longdesc = replace_str longdesc "C<guestfs_" "C<" in
+ let longdesc =
+ Str.global_substitute rex (
+ fun s ->
+ let sub =
+ try Str.matched_group 1 s
+ with Not_found ->
+ failwithf "error substituting C<guestfs_...> in longdesc of function %s" name in
+ "C<" ^ replace_char sub '_' '-' ^ ">"
+ ) longdesc in
let name = replace_char name '_' '-' in
let alias =
try find_map (function FishAlias n -> Some n | _ -> None) flags
function
| String n -> pr " %s" n
| OptString n -> pr " %s" n
- | StringList n -> pr " %s,..." n
+ | StringList n -> pr " '%s ...'" n
| Bool _ -> pr " true|false"
| Int n -> pr " %s" n
+ | FileIn n | FileOut n -> pr " (%s|-)" n
) (snd style);
pr "\n";
pr "\n";
pr "%s\n\n" longdesc;
+ if List.exists (function FileIn _ | FileOut _ -> true
+ | _ -> false) (snd style) then
+ pr "Use C<-> instead of a filename to read/write from stdin/stdout.\n\n";
+
if List.mem ProtocolLimitWarning flags then
pr "%s\n\n" protocol_limit_warning;
in
List.iter (
function
- | String n -> next (); pr "const char *%s" n
+ | String n
| OptString n -> next (); pr "const char *%s" n
| StringList n -> next (); pr "char * const* const %s" n
| Bool n -> next (); pr "int %s" n
| Int n -> next (); pr "int %s" n
+ | FileIn n
+ | FileOut n ->
+ if not in_daemon then (next (); pr "const char *%s" n)
) (snd style);
);
pr ")";
if newline then pr "\n"
(* Generate C call arguments, eg "(handle, foo, bar)" *)
-and generate_call_args ?handle style =
+and generate_call_args ?handle args =
pr "(";
let comma = ref false in
(match handle with
fun arg ->
if !comma then pr ", ";
comma := true;
- match arg with
- | String n
- | OptString n
- | StringList n
- | Bool n
- | Int n -> pr "%s" n
- ) (snd style);
+ pr "%s" (name_of_argt arg)
+ ) args;
pr ")"
(* Generate the OCaml bindings interface. *)
pr "{\n";
(match params with
+ | [p1; p2; p3; p4; p5] ->
+ pr " CAMLparam5 (%s);\n" (String.concat ", " params)
| p1 :: p2 :: p3 :: p4 :: p5 :: rest ->
pr " CAMLparam5 (%s);\n" (String.concat ", " [p1; p2; p3; p4; p5]);
pr " CAMLxparam%d (%s);\n"
List.iter (
function
- | String n ->
+ | String n
+ | FileIn n
+ | FileOut n ->
pr " const char *%s = String_val (%sv);\n" n n
| OptString n ->
pr " const char *%s =\n" n;
pr " caml_enter_blocking_section ();\n";
pr " r = guestfs_%s " name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
pr " caml_leave_blocking_section ();\n";
function
| StringList n ->
pr " ocaml_guestfs_free_strings (%s);\n" n;
- | String _ | OptString _ | Bool _ | Int _ -> ()
+ | String _ | OptString _ | Bool _ | Int _ | FileIn _ | FileOut _ -> ()
) (snd style);
pr " if (r == %s)\n" error_code;
pr "%s : t -> " name;
List.iter (
function
- | String _ -> pr "string -> "
+ | String _ | FileIn _ | FileOut _ -> pr "string -> "
| OptString _ -> pr "string option -> "
| StringList _ -> pr "string array -> "
| Bool _ -> pr "bool -> "
);
(* Call and arguments. *)
pr "%s " name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr "\n";
pr " guestfs_h *g;\n";
List.iter (
function
- | String n -> pr " char *%s;\n" n
+ | String n | FileIn n | FileOut n -> pr " char *%s;\n" n
| OptString n -> pr " char *%s;\n" n
| StringList n -> pr " char **%s;\n" n
| Bool n -> pr " int %s;\n" n
let do_cleanups () =
List.iter (
function
- | String _
- | OptString _
- | Bool _
- | Int _ -> ()
+ | String _ | OptString _ | Bool _ | Int _
+ | FileIn _ | FileOut _ -> ()
| StringList n -> pr " free (%s);\n" n
) (snd style)
in
pr " int r;\n";
pr " PPCODE:\n";
pr " r = guestfs_%s " name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (r == -1)\n";
pr " int %s;\n" n;
pr " CODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == -1)\n" n;
pr " int64_t %s;\n" n;
pr " CODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == -1)\n" n;
pr " const char *%s;\n" n;
pr " CODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == NULL)\n" n;
pr " char *%s;\n" n;
pr " CODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == NULL)\n" n;
pr " int i, n;\n";
pr " PPCODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == NULL)\n" n;
pr " struct guestfs_int_bool *r;\n";
pr " PPCODE:\n";
pr " r = guestfs_%s " name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (r == NULL)\n";
pr " HV *hv;\n";
pr " PPCODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == NULL)\n" n;
pr " struct guestfs_%s *%s;\n" typ n;
pr " PPCODE:\n";
pr " %s = guestfs_%s " n name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
do_cleanups ();
pr " if (%s == NULL)\n" n;
if !comma then pr ", ";
comma := true;
match arg with
- | String n | OptString n | Bool n | Int n ->
+ | String n | OptString n | Bool n | Int n | FileIn n | FileOut n ->
pr "$%s" n
| StringList n ->
pr "\\@%s" n
list = PyList_New (argc >> 1);
for (i = 0; i < argc; i += 2) {
- PyObject *item;
item = PyTuple_New (2);
PyTuple_SetItem (item, 0, PyString_FromString (argv[i]));
PyTuple_SetItem (item, 1, PyString_FromString (argv[i+1]));
List.iter (
function
- | String n -> pr " const char *%s;\n" n
+ | String n | FileIn n | FileOut n -> pr " const char *%s;\n" n
| OptString n -> pr " const char *%s;\n" n
| StringList n ->
pr " PyObject *py_%s;\n" n;
pr " if (!PyArg_ParseTuple (args, (char *) \"O";
List.iter (
function
- | String _ -> pr "s"
+ | String _ | FileIn _ | FileOut _ -> pr "s"
| OptString _ -> pr "z"
| StringList _ -> pr "O"
| Bool _ -> pr "i" (* XXX Python has booleans? *)
pr " &py_g";
List.iter (
function
- | String n -> pr ", &%s" n
+ | String n | FileIn n | FileOut n -> pr ", &%s" n
| OptString n -> pr ", &%s" n
| StringList n -> pr ", &py_%s" n
| Bool n -> pr ", &%s" n
pr " g = get_handle (py_g);\n";
List.iter (
function
- | String _ | OptString _ | Bool _ | Int _ -> ()
+ | String _ | FileIn _ | FileOut _ | OptString _ | Bool _ | Int _ -> ()
| StringList n ->
pr " %s = get_string_list (py_%s);\n" n n;
pr " if (!%s) return NULL;\n" n
pr "\n";
pr " r = guestfs_%s " name;
- generate_call_args ~handle:"g" style;
+ generate_call_args ~handle:"g" (snd style);
pr ";\n";
List.iter (
function
- | String _ | OptString _ | Bool _ | Int _ -> ()
+ | String _ | FileIn _ | FileOut _ | OptString _ | Bool _ | Int _ -> ()
| StringList n ->
pr " free (%s);\n" n
) (snd style);
let doc = String.concat "\n " doc in
pr " def %s " name;
- generate_call_args ~handle:"self" style;
+ generate_call_args ~handle:"self" (snd style);
pr ":\n";
pr " u\"\"\"%s\"\"\"\n" doc;
pr " return libguestfsmod.%s " name;
- generate_call_args ~handle:"self._o" style;
+ generate_call_args ~handle:"self._o" (snd style);
pr "\n";
pr "\n";
) all_functions
(* Useful if you need the longdesc POD text as plain text. Returns a
* list of lines.
+ *
+ * This is the slowest thing about autogeneration.
*)
and pod2text ~width name longdesc =
let filename, chan = Filename.open_temp_file "gen" ".tmp" in
| Unix.WSIGNALED i | Unix.WSTOPPED i ->
failwithf "pod2text: process signalled or stopped by signal %d" i
-let output_to filename =
- let filename_new = filename ^ ".new" in
- chan := open_out filename_new;
- let close () =
- close_out !chan;
- chan := stdout;
- Unix.rename filename_new filename;
- printf "written %s\n%!" filename;
- in
- close
+(* Generate ruby bindings. *)
+and generate_ruby_c () =
+ generate_header CStyle LGPLv2;
-(* Main program. *)
-let () =
- check_functions ();
+ pr "\
+#include <stdio.h>
+#include <stdlib.h>
- if not (Sys.file_exists "configure.ac") then (
- 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
- );
+#include <ruby.h>
- let close = output_to "src/guestfs_protocol.x" in
- generate_xdr ();
- close ();
+#include \"guestfs.h\"
- let close = output_to "src/guestfs-structs.h" in
+#include \"extconf.h\"
+
+static VALUE m_guestfs; /* guestfs module */
+static VALUE c_guestfs; /* guestfs_h handle */
+static VALUE e_Error; /* used for all errors */
+
+static void ruby_guestfs_free (void *p)
+{
+ if (!p) return;
+ guestfs_close ((guestfs_h *) p);
+}
+
+static VALUE ruby_guestfs_create (VALUE m)
+{
+ guestfs_h *g;
+
+ g = guestfs_create ();
+ if (!g)
+ rb_raise (e_Error, \"failed to create guestfs handle\");
+
+ /* Don't print error messages to stderr by default. */
+ guestfs_set_error_handler (g, NULL, NULL);
+
+ /* Wrap it, and make sure the close function is called when the
+ * handle goes away.
+ */
+ return Data_Wrap_Struct (c_guestfs, NULL, ruby_guestfs_free, g);
+}
+
+static VALUE ruby_guestfs_close (VALUE gv)
+{
+ guestfs_h *g;
+ Data_Get_Struct (gv, guestfs_h, g);
+
+ ruby_guestfs_free (g);
+ DATA_PTR (gv) = NULL;
+
+ return Qnil;
+}
+
+";
+
+ List.iter (
+ fun (name, style, _, _, _, _, _) ->
+ pr "static VALUE ruby_guestfs_%s (VALUE gv" name;
+ List.iter (fun arg -> pr ", VALUE %sv" (name_of_argt arg)) (snd style);
+ pr ")\n";
+ pr "{\n";
+ pr " guestfs_h *g;\n";
+ pr " Data_Get_Struct (gv, guestfs_h, g);\n";
+ pr " if (!g)\n";
+ pr " rb_raise (rb_eArgError, \"%%s: used handle after closing it\", \"%s\");\n"
+ name;
+ pr "\n";
+
+ List.iter (
+ function
+ | String n | FileIn n | FileOut n ->
+ pr " const char *%s = StringValueCStr (%sv);\n" n n;
+ pr " if (!%s)\n" n;
+ pr " rb_raise (rb_eTypeError, \"expected string for parameter %%s of %%s\",\n";
+ pr " \"%s\", \"%s\");\n" n name
+ | OptString n ->
+ pr " const char *%s = StringValueCStr (%sv);\n" n n
+ | StringList n ->
+ pr " char **%s;" n;
+ pr " {\n";
+ pr " int i, len;\n";
+ pr " len = RARRAY_LEN (%sv);\n" n;
+ pr " %s = malloc (sizeof (char *) * (len+1));\n" n;
+ pr " for (i = 0; i < len; ++i) {\n";
+ pr " VALUE v = rb_ary_entry (%sv, i);\n" n;
+ pr " %s[i] = StringValueCStr (v);\n" n;
+ pr " }\n";
+ pr " %s[len] = NULL;\n" n;
+ pr " }\n";
+ | Bool n
+ | Int n ->
+ pr " int %s = NUM2INT (%sv);\n" n n
+ ) (snd style);
+ pr "\n";
+
+ let error_code =
+ match fst style with
+ | RErr | RInt _ | RBool _ -> pr " int r;\n"; "-1"
+ | RInt64 _ -> pr " int64_t r;\n"; "-1"
+ | RConstString _ -> pr " const char *r;\n"; "NULL"
+ | RString _ -> pr " char *r;\n"; "NULL"
+ | RStringList _ | RHashtable _ -> pr " char **r;\n"; "NULL"
+ | RIntBool _ -> pr " struct guestfs_int_bool *r;\n"; "NULL"
+ | RPVList n -> pr " struct guestfs_lvm_pv_list *r;\n"; "NULL"
+ | RVGList n -> pr " struct guestfs_lvm_vg_list *r;\n"; "NULL"
+ | RLVList n -> pr " struct guestfs_lvm_lv_list *r;\n"; "NULL"
+ | RStat n -> pr " struct guestfs_stat *r;\n"; "NULL"
+ | RStatVFS n -> pr " struct guestfs_statvfs *r;\n"; "NULL" in
+ pr "\n";
+
+ pr " r = guestfs_%s " name;
+ generate_call_args ~handle:"g" (snd style);
+ pr ";\n";
+
+ List.iter (
+ function
+ | String _ | FileIn _ | FileOut _ | OptString _ | Bool _ | Int _ -> ()
+ | StringList n ->
+ pr " free (%s);\n" n
+ ) (snd style);
+
+ pr " if (r == %s)\n" error_code;
+ pr " rb_raise (e_Error, \"%%s\", guestfs_last_error (g));\n";
+ pr "\n";
+
+ (match fst style with
+ | RErr ->
+ pr " return Qnil;\n"
+ | RInt _ | RBool _ ->
+ pr " return INT2NUM (r);\n"
+ | RInt64 _ ->
+ pr " return ULL2NUM (r);\n"
+ | RConstString _ ->
+ pr " return rb_str_new2 (r);\n";
+ | RString _ ->
+ pr " VALUE rv = rb_str_new2 (r);\n";
+ pr " free (r);\n";
+ pr " return rv;\n";
+ | RStringList _ ->
+ pr " int i, len = 0;\n";
+ pr " for (i = 0; r[i] != NULL; ++i) len++;\n";
+ pr " VALUE rv = rb_ary_new2 (len);\n";
+ pr " for (i = 0; r[i] != NULL; ++i) {\n";
+ pr " rb_ary_push (rv, rb_str_new2 (r[i]));\n";
+ pr " free (r[i]);\n";
+ pr " }\n";
+ pr " free (r);\n";
+ pr " return rv;\n"
+ | RIntBool _ ->
+ pr " VALUE rv = rb_ary_new2 (2);\n";
+ pr " rb_ary_push (rv, INT2NUM (r->i));\n";
+ pr " rb_ary_push (rv, INT2NUM (r->b));\n";
+ pr " guestfs_free_int_bool (r);\n";
+ pr " return rv;\n"
+ | RPVList n ->
+ generate_ruby_lvm_code "pv" pv_cols
+ | RVGList n ->
+ generate_ruby_lvm_code "vg" vg_cols
+ | RLVList n ->
+ generate_ruby_lvm_code "lv" lv_cols
+ | RStat n ->
+ pr " VALUE rv = rb_hash_new ();\n";
+ List.iter (
+ function
+ | name, `Int ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), ULL2NUM (r->%s));\n" name name
+ ) stat_cols;
+ pr " free (r);\n";
+ pr " return rv;\n"
+ | RStatVFS n ->
+ pr " VALUE rv = rb_hash_new ();\n";
+ List.iter (
+ function
+ | name, `Int ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), ULL2NUM (r->%s));\n" name name
+ ) statvfs_cols;
+ pr " free (r);\n";
+ pr " return rv;\n"
+ | RHashtable _ ->
+ pr " VALUE rv = rb_hash_new ();\n";
+ pr " int i;\n";
+ pr " for (i = 0; r[i] != NULL; i+=2) {\n";
+ pr " rb_hash_aset (rv, rb_str_new2 (r[i]), rb_str_new2 (r[i+1]));\n";
+ pr " free (r[i]);\n";
+ pr " free (r[i+1]);\n";
+ pr " }\n";
+ pr " free (r);\n";
+ pr " return rv;\n"
+ );
+
+ pr "}\n";
+ pr "\n"
+ ) all_functions;
+
+ pr "\
+/* Initialize the module. */
+void Init__guestfs ()
+{
+ m_guestfs = rb_define_module (\"Guestfs\");
+ c_guestfs = rb_define_class_under (m_guestfs, \"Guestfs\", rb_cObject);
+ e_Error = rb_define_class_under (m_guestfs, \"Error\", rb_eStandardError);
+
+ rb_define_module_function (m_guestfs, \"create\", ruby_guestfs_create, 0);
+ rb_define_method (c_guestfs, \"close\", ruby_guestfs_close, 0);
+
+";
+ (* Define the rest of the methods. *)
+ List.iter (
+ fun (name, style, _, _, _, _, _) ->
+ pr " rb_define_method (c_guestfs, \"%s\",\n" name;
+ pr " ruby_guestfs_%s, %d);\n" name (List.length (snd style))
+ ) all_functions;
+
+ pr "}\n"
+
+(* Ruby code to return an LVM struct list. *)
+and generate_ruby_lvm_code typ cols =
+ pr " VALUE rv = rb_ary_new2 (r->len);\n";
+ pr " int i;\n";
+ pr " for (i = 0; i < r->len; ++i) {\n";
+ pr " VALUE hv = rb_hash_new ();\n";
+ List.iter (
+ function
+ | name, `String ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), rb_str_new2 (r->val[i].%s));\n" name name
+ | name, `UUID ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), rb_str_new (r->val[i].%s, 32));\n" name name
+ | name, `Bytes
+ | name, `Int ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), ULL2NUM (r->val[i].%s));\n" name name
+ | name, `OptPercent ->
+ pr " rb_hash_aset (rv, rb_str_new2 (\"%s\"), rb_dbl2big (r->val[i].%s));\n" name name
+ ) cols;
+ pr " rb_ary_push (rv, hv);\n";
+ pr " }\n";
+ pr " guestfs_free_lvm_%s_list (r);\n" typ;
+ pr " return rv;\n"
+
+(* Generate Java bindings GuestFS.java file. *)
+and generate_java_java () =
+ generate_header CStyle LGPLv2;
+
+ pr "\
+package com.redhat.et.libguestfs;
+
+import java.util.HashMap;
+import com.redhat.et.libguestfs.LibGuestFSException;
+import com.redhat.et.libguestfs.PV;
+import com.redhat.et.libguestfs.VG;
+import com.redhat.et.libguestfs.LV;
+import com.redhat.et.libguestfs.Stat;
+import com.redhat.et.libguestfs.StatVFS;
+import com.redhat.et.libguestfs.IntBool;
+
+/**
+ * The GuestFS object is a libguestfs handle.
+ *
+ * @author rjones
+ */
+public class GuestFS {
+ // Load the native code.
+ static {
+ System.loadLibrary (\"guestfs_jni\");
+ }
+
+ /**
+ * The native guestfs_h pointer.
+ */
+ long g;
+
+ /**
+ * Create a libguestfs handle.
+ *
+ * @throws LibGuestFSException
+ */
+ public GuestFS () throws LibGuestFSException
+ {
+ g = _create ();
+ }
+ private native long _create () throws LibGuestFSException;
+
+ /**
+ * Close a libguestfs handle.
+ *
+ * You can also leave handles to be collected by the garbage
+ * collector, but this method ensures that the resources used
+ * by the handle are freed up immediately. If you call any
+ * other methods after closing the handle, you will get an
+ * exception.
+ *
+ * @throws LibGuestFSException
+ */
+ public void close () throws LibGuestFSException
+ {
+ if (g != 0)
+ _close (g);
+ g = 0;
+ }
+ private native void _close (long g) throws LibGuestFSException;
+
+ public void finalize () throws LibGuestFSException
+ {
+ close ();
+ }
+
+";
+
+ List.iter (
+ fun (name, style, _, flags, _, shortdesc, longdesc) ->
+ let doc = replace_str longdesc "C<guestfs_" "C<g." in
+ let doc =
+ if List.mem ProtocolLimitWarning flags then
+ doc ^ "\n\n" ^ protocol_limit_warning
+ else doc in
+ let doc =
+ if List.mem DangerWillRobinson flags then
+ doc ^ "\n\n" ^ danger_will_robinson
+ else doc in
+ let doc = pod2text ~width:60 name doc in
+ let doc = String.concat "\n * " doc in
+
+ pr " /**\n";
+ pr " * %s\n" shortdesc;
+ pr " *\n";
+ pr " * %s\n" doc;
+ pr " * @throws LibGuestFSException\n";
+ pr " */\n";
+ pr " ";
+ generate_java_prototype ~public:true ~semicolon:false name style;
+ pr "\n";
+ pr " {\n";
+ pr " if (g == 0)\n";
+ pr " throw new LibGuestFSException (\"%s: handle is closed\");\n"
+ name;
+ pr " ";
+ if fst style <> RErr then pr "return ";
+ pr "_%s " name;
+ generate_call_args ~handle:"g" (snd style);
+ pr ";\n";
+ pr " }\n";
+ pr " ";
+ generate_java_prototype ~privat:true ~native:true name style;
+ pr "\n";
+ pr "\n";
+ ) all_functions;
+
+ pr "}\n"
+
+and generate_java_prototype ?(public=false) ?(privat=false) ?(native=false)
+ ?(semicolon=true) name style =
+ if privat then pr "private ";
+ if public then pr "public ";
+ if native then pr "native ";
+
+ (* return type *)
+ (match fst style with
+ | RErr -> pr "void ";
+ | RInt _ -> pr "int ";
+ | RInt64 _ -> pr "long ";
+ | RBool _ -> pr "boolean ";
+ | RConstString _ | RString _ -> pr "String ";
+ | RStringList _ -> pr "String[] ";
+ | RIntBool _ -> pr "IntBool ";
+ | RPVList _ -> pr "PV[] ";
+ | RVGList _ -> pr "VG[] ";
+ | RLVList _ -> pr "LV[] ";
+ | RStat _ -> pr "Stat ";
+ | RStatVFS _ -> pr "StatVFS ";
+ | RHashtable _ -> pr "HashMap<String,String> ";
+ );
+
+ if native then pr "_%s " name else pr "%s " name;
+ pr "(";
+ let needs_comma = ref false in
+ if native then (
+ pr "long g";
+ needs_comma := true
+ );
+
+ (* args *)
+ List.iter (
+ fun arg ->
+ if !needs_comma then pr ", ";
+ needs_comma := true;
+
+ match arg with
+ | String n
+ | OptString n
+ | FileIn n
+ | FileOut n ->
+ pr "String %s" n
+ | StringList n ->
+ pr "String[] %s" n
+ | Bool n ->
+ pr "boolean %s" n
+ | Int n ->
+ pr "int %s" n
+ ) (snd style);
+
+ pr ")\n";
+ pr " throws LibGuestFSException";
+ if semicolon then pr ";"
+
+and generate_java_struct typ cols =
+ generate_header CStyle LGPLv2;
+
+ pr "\
+package com.redhat.et.libguestfs;
+
+/**
+ * Libguestfs %s structure.
+ *
+ * @author rjones
+ * @see GuestFS
+ */
+public class %s {
+" typ typ;
+
+ List.iter (
+ function
+ | name, `String
+ | name, `UUID -> pr " public String %s;\n" name
+ | name, `Bytes
+ | name, `Int -> pr " public long %s;\n" name
+ | name, `OptPercent ->
+ pr " /* The next field is [0..100] or -1 meaning 'not present': */\n";
+ pr " public float %s;\n" name
+ ) cols;
+
+ pr "}\n"
+
+and generate_java_c () =
+ generate_header CStyle LGPLv2;
+
+ pr "\
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include \"com_redhat_et_libguestfs_GuestFS.h\"
+#include \"guestfs.h\"
+
+/* Note that this function returns. The exception is not thrown
+ * until after the wrapper function returns.
+ */
+static void
+throw_exception (JNIEnv *env, const char *msg)
+{
+ jclass cl;
+ cl = (*env)->FindClass (env,
+ \"com/redhat/et/libguestfs/LibGuestFSException\");
+ (*env)->ThrowNew (env, cl, msg);
+}
+
+JNIEXPORT jlong JNICALL
+Java_com_redhat_et_libguestfs_GuestFS__1create
+ (JNIEnv *env, jobject obj)
+{
+ guestfs_h *g;
+
+ g = guestfs_create ();
+ if (g == NULL) {
+ throw_exception (env, \"GuestFS.create: failed to allocate handle\");
+ return 0;
+ }
+ guestfs_set_error_handler (g, NULL, NULL);
+ return (jlong) (long) g;
+}
+
+JNIEXPORT void JNICALL
+Java_com_redhat_et_libguestfs_GuestFS__1close
+ (JNIEnv *env, jobject obj, jlong jg)
+{
+ guestfs_h *g = (guestfs_h *) (long) jg;
+ guestfs_close (g);
+}
+
+";
+
+ List.iter (
+ fun (name, style, _, _, _, _, _) ->
+ pr "JNIEXPORT ";
+ (match fst style with
+ | RErr -> pr "void ";
+ | RInt _ -> pr "jint ";
+ | RInt64 _ -> pr "jlong ";
+ | RBool _ -> pr "jboolean ";
+ | RConstString _ | RString _ -> pr "jstring ";
+ | RIntBool _ | RStat _ | RStatVFS _ | RHashtable _ ->
+ pr "jobject ";
+ | RStringList _ | RPVList _ | RVGList _ | RLVList _ ->
+ pr "jobjectArray ";
+ );
+ pr "JNICALL\n";
+ pr "Java_com_redhat_et_libguestfs_GuestFS_";
+ pr "%s" (replace_str ("_" ^ name) "_" "_1");
+ pr "\n";
+ pr " (JNIEnv *env, jobject obj, jlong jg";
+ List.iter (
+ function
+ | String n
+ | OptString n
+ | FileIn n
+ | FileOut n ->
+ pr ", jstring j%s" n
+ | StringList n ->
+ pr ", jobjectArray j%s" n
+ | Bool n ->
+ pr ", jboolean j%s" n
+ | Int n ->
+ pr ", jint j%s" n
+ ) (snd style);
+ pr ")\n";
+ pr "{\n";
+ pr " guestfs_h *g = (guestfs_h *) (long) jg;\n";
+ let error_code, no_ret =
+ match fst style with
+ | RErr -> pr " int r;\n"; "-1", ""
+ | RBool _
+ | RInt _ -> pr " int r;\n"; "-1", "0"
+ | RInt64 _ -> pr " int64_t r;\n"; "-1", "0"
+ | RConstString _ -> pr " const char *r;\n"; "NULL", "NULL"
+ | RString _ ->
+ pr " jstring jr;\n";
+ pr " char *r;\n"; "NULL", "NULL"
+ | RStringList _ ->
+ pr " jobjectArray jr;\n";
+ pr " int r_len;\n";
+ pr " jclass cl;\n";
+ pr " jstring jstr;\n";
+ pr " char **r;\n"; "NULL", "NULL"
+ | RIntBool _ ->
+ pr " jobject jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " struct guestfs_int_bool *r;\n"; "NULL", "NULL"
+ | RStat _ ->
+ pr " jobject jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " struct guestfs_stat *r;\n"; "NULL", "NULL"
+ | RStatVFS _ ->
+ pr " jobject jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " struct guestfs_statvfs *r;\n"; "NULL", "NULL"
+ | RPVList _ ->
+ pr " jobjectArray jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " jobject jfl;\n";
+ pr " struct guestfs_lvm_pv_list *r;\n"; "NULL", "NULL"
+ | RVGList _ ->
+ pr " jobjectArray jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " jobject jfl;\n";
+ pr " struct guestfs_lvm_vg_list *r;\n"; "NULL", "NULL"
+ | RLVList _ ->
+ pr " jobjectArray jr;\n";
+ pr " jclass cl;\n";
+ pr " jfieldID fl;\n";
+ pr " jobject jfl;\n";
+ pr " struct guestfs_lvm_lv_list *r;\n"; "NULL", "NULL"
+ | RHashtable _ -> pr " char **r;\n"; "NULL", "NULL" in
+ List.iter (
+ function
+ | String n
+ | OptString n
+ | FileIn n
+ | FileOut n ->
+ pr " const char *%s;\n" n
+ | StringList n ->
+ pr " int %s_len;\n" n;
+ pr " const char **%s;\n" n
+ | Bool n
+ | Int n ->
+ pr " int %s;\n" n
+ ) (snd style);
+
+ let needs_i =
+ (match fst style with
+ | RStringList _ | RPVList _ | RVGList _ | RLVList _ -> true
+ | RErr _ | RBool _ | RInt _ | RInt64 _ | RConstString _
+ | RString _ | RIntBool _ | RStat _ | RStatVFS _
+ | RHashtable _ -> false) ||
+ List.exists (function StringList _ -> true | _ -> false) (snd style) in
+ if needs_i then
+ pr " int i;\n";
+
+ pr "\n";
+
+ (* Get the parameters. *)
+ List.iter (
+ function
+ | String n
+ | OptString n
+ | FileIn n
+ | FileOut n ->
+ pr " %s = (*env)->GetStringUTFChars (env, j%s, NULL);\n" n n
+ | StringList n ->
+ pr " %s_len = (*env)->GetArrayLength (env, j%s);\n" n n;
+ pr " %s = malloc (sizeof (char *) * (%s_len+1));\n" n n;
+ pr " for (i = 0; i < %s_len; ++i) {\n" n;
+ pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
+ n;
+ pr " %s[i] = (*env)->GetStringUTFChars (env, o, NULL);\n" n;
+ pr " }\n";
+ pr " %s[%s_len] = NULL;\n" n n;
+ | Bool n
+ | Int n ->
+ pr " %s = j%s;\n" n n
+ ) (snd style);
+
+ (* Make the call. *)
+ pr " r = guestfs_%s " name;
+ generate_call_args ~handle:"g" (snd style);
+ pr ";\n";
+
+ (* Release the parameters. *)
+ List.iter (
+ function
+ | String n
+ | OptString n
+ | FileIn n
+ | FileOut n ->
+ pr " (*env)->ReleaseStringUTFChars (env, j%s, %s);\n" n n
+ | StringList n ->
+ pr " for (i = 0; i < %s_len; ++i) {\n" n;
+ pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
+ n;
+ pr " (*env)->ReleaseStringUTFChars (env, o, %s[i]);\n" n;
+ pr " }\n";
+ pr " free (%s);\n" n
+ | Bool n
+ | Int n -> ()
+ ) (snd style);
+
+ (* Check for errors. *)
+ pr " if (r == %s) {\n" error_code;
+ pr " throw_exception (env, guestfs_last_error (g));\n";
+ pr " return %s;\n" no_ret;
+ pr " }\n";
+
+ (* Return value. *)
+ (match fst style with
+ | RErr -> ()
+ | RInt _ -> pr " return (jint) r;\n"
+ | RBool _ -> pr " return (jboolean) r;\n"
+ | RInt64 _ -> pr " return (jlong) r;\n"
+ | RConstString _ -> pr " return (*env)->NewStringUTF (env, r);\n"
+ | RString _ ->
+ pr " jr = (*env)->NewStringUTF (env, r);\n";
+ pr " free (r);\n";
+ pr " return jr;\n"
+ | RStringList _ ->
+ pr " for (r_len = 0; r[r_len] != NULL; ++r_len) ;\n";
+ pr " cl = (*env)->FindClass (env, \"java/lang/String\");\n";
+ pr " jstr = (*env)->NewStringUTF (env, \"\");\n";
+ pr " jr = (*env)->NewObjectArray (env, r_len, cl, jstr);\n";
+ pr " for (i = 0; i < r_len; ++i) {\n";
+ pr " jstr = (*env)->NewStringUTF (env, r[i]);\n";
+ pr " (*env)->SetObjectArrayElement (env, jr, i, jstr);\n";
+ pr " free (r[i]);\n";
+ pr " }\n";
+ pr " free (r);\n";
+ pr " return jr;\n"
+ | RIntBool _ ->
+ pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/IntBool\");\n";
+ pr " jr = (*env)->AllocObject (env, cl);\n";
+ pr " fl = (*env)->GetFieldID (env, cl, \"i\", \"I\");\n";
+ pr " (*env)->SetIntField (env, jr, fl, r->i);\n";
+ pr " fl = (*env)->GetFieldID (env, cl, \"i\", \"Z\");\n";
+ pr " (*env)->SetBooleanField (env, jr, fl, r->b);\n";
+ pr " guestfs_free_int_bool (r);\n";
+ pr " return jr;\n"
+ | RStat _ ->
+ pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/Stat\");\n";
+ pr " jr = (*env)->AllocObject (env, cl);\n";
+ List.iter (
+ function
+ | name, `Int ->
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"J\");\n"
+ name;
+ pr " (*env)->SetLongField (env, jr, fl, r->%s);\n" name;
+ ) stat_cols;
+ pr " free (r);\n";
+ pr " return jr;\n"
+ | RStatVFS _ ->
+ pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/StatVFS\");\n";
+ pr " jr = (*env)->AllocObject (env, cl);\n";
+ List.iter (
+ function
+ | name, `Int ->
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"J\");\n"
+ name;
+ pr " (*env)->SetLongField (env, jr, fl, r->%s);\n" name;
+ ) statvfs_cols;
+ pr " free (r);\n";
+ pr " return jr;\n"
+ | RPVList _ ->
+ generate_java_lvm_return "pv" "PV" pv_cols
+ | RVGList _ ->
+ generate_java_lvm_return "vg" "VG" vg_cols
+ | RLVList _ ->
+ generate_java_lvm_return "lv" "LV" lv_cols
+ | RHashtable _ ->
+ (* XXX *)
+ pr " throw_exception (env, \"%s: internal error: please let us know how to make a Java HashMap from JNI bindings!\");\n" name;
+ pr " return NULL;\n"
+ );
+
+ pr "}\n";
+ pr "\n"
+ ) all_functions
+
+and generate_java_lvm_return typ jtyp cols =
+ pr " cl = (*env)->FindClass (env, \"com/redhat/et/libguestfs/%s\");\n" jtyp;
+ pr " jr = (*env)->NewObjectArray (env, r->len, cl, NULL);\n";
+ pr " for (i = 0; i < r->len; ++i) {\n";
+ pr " jfl = (*env)->AllocObject (env, cl);\n";
+ List.iter (
+ function
+ | name, `String ->
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
+ pr " (*env)->SetObjectField (env, jfl, fl, (*env)->NewStringUTF (env, r->val[i].%s));\n" name;
+ | name, `UUID ->
+ pr " {\n";
+ pr " char s[33];\n";
+ pr " memcpy (s, r->val[i].%s, 32);\n" name;
+ pr " s[32] = 0;\n";
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"Ljava/lang/String;\");\n" name;
+ pr " (*env)->SetObjectField (env, jfl, fl, (*env)->NewStringUTF (env, s));\n";
+ pr " }\n";
+ | name, (`Bytes|`Int) ->
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"J\");\n" name;
+ pr " (*env)->SetLongField (env, jfl, fl, r->val[i].%s);\n" name;
+ | name, `OptPercent ->
+ pr " fl = (*env)->GetFieldID (env, cl, \"%s\", \"F\");\n" name;
+ pr " (*env)->SetFloatField (env, jfl, fl, r->val[i].%s);\n" name;
+ ) cols;
+ pr " (*env)->SetObjectArrayElement (env, jfl, i, jfl);\n";
+ pr " }\n";
+ pr " guestfs_free_lvm_%s_list (r);\n" typ;
+ pr " return jr;\n"
+
+let output_to filename =
+ let filename_new = filename ^ ".new" in
+ chan := open_out filename_new;
+ let close () =
+ close_out !chan;
+ chan := stdout;
+ Unix.rename filename_new filename;
+ printf "written %s\n%!" filename;
+ in
+ close
+
+(* Main program. *)
+let () =
+ check_functions ();
+
+ if not (Sys.file_exists "configure.ac") then (
+ 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
+ );
+
+ let close = output_to "src/guestfs_protocol.x" in
+ generate_xdr ();
+ close ();
+
+ let close = output_to "src/guestfs-structs.h" in
generate_structs_h ();
close ();
let close = output_to "python/guestfs.py" in
generate_python_py ();
close ();
+
+ let close = output_to "ruby/ext/guestfs/_guestfs.c" in
+ generate_ruby_c ();
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/GuestFS.java" in
+ generate_java_java ();
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/PV.java" in
+ generate_java_struct "PV" pv_cols;
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/VG.java" in
+ generate_java_struct "VG" vg_cols;
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/LV.java" in
+ generate_java_struct "LV" lv_cols;
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/Stat.java" in
+ generate_java_struct "Stat" stat_cols;
+ close ();
+
+ let close = output_to "java/com/redhat/et/libguestfs/StatVFS.java" in
+ generate_java_struct "StatVFS" statvfs_cols;
+ close ();
+
+ let close = output_to "java/com_redhat_et_libguestfs_GuestFS.c" in
+ generate_java_c ();
+ close ();