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 = [
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
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>
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>.");
]
(* 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 */
string error_message<GUESTFS_ERROR_LEN>;
};
-/* For normal requests and replies (not involving any FileIn or
- * FileOut parameters), the protocol is:
- *
- * For requests:
- * total length (header + args, but not including length word itself)
- * header
- * guestfs_foo_args struct
- * For replies:
- * total length (as above)
- * header
- * guestfs_foo_ret struct
- */
-
struct guestfs_message_header {
unsigned prog; /* GUESTFS_PROGRAM */
unsigned vers; /* GUESTFS_PROTOCOL_VERSION */
guestfs_message_status status;
};
-/* Chunked encoding used to transfer files, for FileIn and FileOut
- * parameters.
- *
- * For requests which have >= 1 FileIn parameter:
- * length of header + args (but not length word itself, and not chunks)
- * header
- * guestfs_foo_args struct
- * sequence of chunks for FileIn param #0
- * sequence of chunks for FileIn param #1 etc
- *
- * For replies which have >= 1 FileOut parameter:
- * length of header + ret (but not length word itself, and not chunks)
- * header
- * guestfs_foo_ret struct
- * sequence of chunks for FileOut param #0
- * sequence of chunks for FileOut param #1 etc
- */
const GUESTFS_MAX_CHUNK_SIZE = 8192;
struct guestfs_chunk {
fun (shortname, style, _, _, _, _, _) ->
let name = "guestfs_" ^ shortname in
- (* Generate the state struct which stores the high-level
+ (* Generate the context struct which stores the high-level
* state between callback functions.
*)
- pr "struct %s_state {\n" shortname;
- pr " int cb_state;\n";
+ 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 = send called,\n";
+ pr " * 1001 = reply 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
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 " guestfs_main_loop *ml = guestfs_get_main_loop (g);\n";
- pr " struct %s_state *state = (struct %s_state *) data;\n" shortname shortname;
+ pr " struct %s_ctx *ctx = (struct %s_ctx *) data;\n" shortname shortname;
pr "\n";
- pr " if (!xdr_guestfs_message_header (xdr, &state->hdr)) {\n";
- pr " error (g, \"%s: failed to parse reply header\");\n" name;
+ pr " ml->main_loop_quit (ml, g);\n";
+ pr "\n";
+ 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 (state->hdr.status == GUESTFS_STATUS_ERROR) {\n";
- pr " if (!xdr_guestfs_message_error (xdr, &state->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, &state->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 " state->cb_state = 1;\n";
- pr " ml->main_loop_quit (ml, g);\n";
+ pr " ctx->cb_sequence = 1001;\n";
pr "}\n\n";
(* Generate the action stub. *)
| _ -> pr " struct %s_args args;\n" name
);
- pr " struct %s_state state;\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 (check_state (g, \"%s\") == -1) return %s;\n" name error_code;
+ pr " guestfs_set_busy (g);\n";
pr "\n";
- pr " memset (&state, 0, sizeof state);\n";
+ pr " memset (&ctx, 0, sizeof ctx);\n";
pr "\n";
- (* Dispatch the main header and arguments. *)
+ (* Send the main header and arguments. *)
(match snd style with
| [] ->
- pr " serial = guestfs_send (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
| FileIn _ | FileOut _ -> ()
) args;
- pr " serial = guestfs_send (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";
- (* Send any additional files requested. *)
+ (* Send any additional files (FileIn) requested. *)
+ let need_read_reply_label = ref false in
List.iter (
function
| FileIn n ->
- pr " if (send_file (g, %s) == -1)\n" n;
- pr " return %s;\n" error_code;
+ 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. *)
- pr " state.cb_state = 0;\n";
- pr " guestfs_set_reply_callback (g, %s_cb, &state);\n" shortname;
+ 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 (!state.cb_state) {\n";
- pr " error (g, \"%s failed, see earlier error messages\");\n" name;
+ pr " if (ctx.cb_sequence != 1001) {\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, &state.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 (state.hdr.status == GUESTFS_STATUS_ERROR) {\n";
- pr " error (g, \"%%s\", state.err.error_message);\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";
List.iter (
function
| FileOut n ->
- pr " if (receive_file (g, %s) == -1)\n" 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 state.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 state.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 " state.ret.%s.%s_val =\n" n n;
- pr " safe_realloc (g, state.ret.%s.%s_val,\n" n n;
- pr " sizeof (char *) * (state.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 " state.ret.%s.%s_val[state.ret.%s.%s_len] = NULL;\n" n n n n;
- pr " return state.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, &state.ret, sizeof (state.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, &state.ret.%s, sizeof (state.ret.%s));\n" n n
+ pr " return safe_memdup (g, &ctx.ret.%s, sizeof (ctx.ret.%s));\n" n n
);
pr "}\n\n"
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";
(* 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
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) g;
+}
+
+JNIEXPORT void JNICALL
+Java_com_redhat_et_libguestfs_GuestFS__1close
+ (JNIEnv *env, jobject obj, jlong jg)
+{
+ guestfs_h *g = (guestfs_h *) 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_";
+ 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 *) 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 = 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 ();
git.annexia.org / libguestfs.git / blobdiff