X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=java%2Fcom%2Fredhat%2Fet%2Flibguestfs%2FGuestFS.java;h=d0b344655a7ffb330312a17396e3574ba871e396;hp=f56ae41577cebe63f4746bf7c474d6a57e916274;hb=e8ecc08f663b44f3d79517affe52f137858dfe00;hpb=24bee20ce4196d45891925332a47a05aa5e40938 diff --git a/java/com/redhat/et/libguestfs/GuestFS.java b/java/com/redhat/et/libguestfs/GuestFS.java index f56ae41..d0b3446 100644 --- a/java/com/redhat/et/libguestfs/GuestFS.java +++ b/java/com/redhat/et/libguestfs/GuestFS.java @@ -316,6 +316,54 @@ public class GuestFS { throws LibGuestFSException; /** + * add options to kernel command line + * + * This function is used to add additional options to the + * guest kernel command line. + * + * The default is "NULL" unless overridden by setting + * "LIBGUESTFS_APPEND" environment variable. + * + * The string "append" is stashed in the libguestfs handle, + * so the caller must make sure it remains valid for the + * lifetime of the handle. + * + * Setting "append" to "NULL" means *no* additional options + * are passed (libguestfs always adds a few of its own). + * + * @throws LibGuestFSException + */ + public void set_append (String append) + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("set_append: handle is closed"); + _set_append (g, append); + } + private native void _set_append (long g, String append) + throws LibGuestFSException; + + /** + * get the additional kernel options + * + * Return the additional kernel options which are added to + * the guest kernel command line. + * + * If "NULL" then no options are added. + * + * @throws LibGuestFSException + */ + public String get_append () + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("get_append: handle is closed"); + return _get_append (g); + } + private native String _get_append (long g) + throws LibGuestFSException; + + /** * set autosync mode * * If "autosync" is true, this enables autosync. Libguestfs @@ -535,6 +583,27 @@ public class GuestFS { throws LibGuestFSException; /** + * leave the busy state + * + * This sets the state to "READY", or if in "CONFIG" then + * it leaves the state as is. This is only used when + * implementing actions using the low-level API. + * + * For more information on states, see guestfs(3). + * + * @throws LibGuestFSException + */ + public void end_busy () + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("end_busy: handle is closed"); + _end_busy (g); + } + private native void _end_busy (long g) + throws LibGuestFSException; + + /** * mount a guest disk at a position in the filesystem * * Mount a guest disk at a position in the filesystem. @@ -1420,7 +1489,7 @@ public class GuestFS { * make a filesystem * * This creates a filesystem on "device" (usually a - * partition of LVM logical volume). The filesystem type is + * partition or LVM logical volume). The filesystem type is * "fstype", for example "ext3". * * @throws LibGuestFSException @@ -1487,6 +1556,11 @@ public class GuestFS { * calculated using "strlen" (so in this case the content * cannot contain embedded ASCII NULs). * + * *NB.* Owing to a bug, writing content containing ASCII + * NUL characters does *not* work, even if the length is + * specified. We hope to resolve this bug in a future + * version. In the meantime use "g.upload". + * * Because of the message protocol, there is a transfer * limit of somewhere between 2MB and 4MB. To transfer * large files you should use FTP. @@ -1620,6 +1694,13 @@ public class GuestFS { * Subsequent elements are parameters. The list must be * non-empty (ie. must contain a program name). * + * The return value is anything printed to *stdout* by the + * command. + * + * If the command returns a non-zero exit status, then this + * function returns an error message. The error message + * string is the content of *stderr* from the command. + * * The $PATH environment variable will contain at least * "/usr/bin" and "/bin". If you require a program from * another location, you should provide the full path in @@ -1631,6 +1712,10 @@ public class GuestFS { * ensure all filesystems that are needed are mounted at * the right locations. * + * Because of the message protocol, there is a transfer + * limit of somewhere between 2MB and 4MB. To transfer + * large files you should use FTP. + * * @throws LibGuestFSException */ public String command (String[] arguments) @@ -1649,6 +1734,10 @@ public class GuestFS { * This is the same as "g.command", but splits the result * into a list of lines. * + * Because of the message protocol, there is a transfer + * limit of somewhere between 2MB and 4MB. To transfer + * large files you should use FTP. + * * @throws LibGuestFSException */ public String[] command_lines (String[] arguments) @@ -2536,4 +2625,120 @@ public class GuestFS { private native String _dmesg (long g) throws LibGuestFSException; + /** + * ping the guest daemon + * + * This is a test probe into the guestfs daemon running + * inside the qemu subprocess. Calling this function checks + * that the daemon responds to the ping message, without + * affecting the daemon or attached block device(s) in any + * other way. + * + * @throws LibGuestFSException + */ + public void ping_daemon () + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("ping_daemon: handle is closed"); + _ping_daemon (g); + } + private native void _ping_daemon (long g) + throws LibGuestFSException; + + /** + * test if two files have equal contents + * + * This compares the two files "file1" and "file2" and + * returns true if their content is exactly equal, or false + * otherwise. + * + * The external cmp(1) program is used for the comparison. + * + * @throws LibGuestFSException + */ + public boolean equal (String file1, String file2) + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("equal: handle is closed"); + return _equal (g, file1, file2); + } + private native boolean _equal (long g, String file1, String file2) + throws LibGuestFSException; + + /** + * print the printable strings in a file + * + * This runs the strings(1) command on a file and returns + * the list of printable strings found. + * + * Because of the message protocol, there is a transfer + * limit of somewhere between 2MB and 4MB. To transfer + * large files you should use FTP. + * + * @throws LibGuestFSException + */ + public String[] strings (String path) + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("strings: handle is closed"); + return _strings (g, path); + } + private native String[] _strings (long g, String path) + throws LibGuestFSException; + + /** + * print the printable strings in a file + * + * This is like the "g.strings" command, but allows you to + * specify the encoding. + * + * See the strings(1) manpage for the full list of + * encodings. + * + * Commonly useful encodings are "l" (lower case L) which + * will show strings inside Windows/x86 files. + * + * The returned strings are transcoded to UTF-8. + * + * Because of the message protocol, there is a transfer + * limit of somewhere between 2MB and 4MB. To transfer + * large files you should use FTP. + * + * @throws LibGuestFSException + */ + public String[] strings_e (String encoding, String path) + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("strings_e: handle is closed"); + return _strings_e (g, encoding, path); + } + private native String[] _strings_e (long g, String encoding, String path) + throws LibGuestFSException; + + /** + * dump a file in hexadecimal + * + * This runs "hexdump -C" on the given "path". The result + * is the human-readable, canonical hex dump of the file. + * + * Because of the message protocol, there is a transfer + * limit of somewhere between 2MB and 4MB. To transfer + * large files you should use FTP. + * + * @throws LibGuestFSException + */ + public String hexdump (String path) + throws LibGuestFSException + { + if (g == 0) + throw new LibGuestFSException ("hexdump: handle is closed"); + return _hexdump (g, path); + } + private native String _hexdump (long g, String path) + throws LibGuestFSException; + }