Split generator into separate source files.

[libguestfs.git] / generator / generator_structs.ml

diff --git a/generator/generator_structs.ml b/generator/generator_structs.ml
new file mode 100644 (file)
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--- /dev/null
+++ b/generator/generator_structs.ml
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+(* libguestfs
+ * Copyright (C) 2009-2010 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *)
+
+(* Please read generator/README first. *)
+
+open Generator_types
+open Generator_utils
+
+type cols = (string * field) list
+
+(* Because we generate extra parsing code for LVM command line tools,
+ * we have to pull out the LVM columns separately here.
+ *)
+let lvm_pv_cols = [
+  "pv_name", FString;
+  "pv_uuid", FUUID;
+  "pv_fmt", FString;
+  "pv_size", FBytes;
+  "dev_size", FBytes;
+  "pv_free", FBytes;
+  "pv_used", FBytes;
+  "pv_attr", FString (* XXX *);
+  "pv_pe_count", FInt64;
+  "pv_pe_alloc_count", FInt64;
+  "pv_tags", FString;
+  "pe_start", FBytes;
+  "pv_mda_count", FInt64;
+  "pv_mda_free", FBytes;
+  (* Not in Fedora 10:
+     "pv_mda_size", FBytes;
+  *)
+]
+let lvm_vg_cols = [
+  "vg_name", FString;
+  "vg_uuid", FUUID;
+  "vg_fmt", FString;
+  "vg_attr", FString (* XXX *);
+  "vg_size", FBytes;
+  "vg_free", FBytes;
+  "vg_sysid", FString;
+  "vg_extent_size", FBytes;
+  "vg_extent_count", FInt64;
+  "vg_free_count", FInt64;
+  "max_lv", FInt64;
+  "max_pv", FInt64;
+  "pv_count", FInt64;
+  "lv_count", FInt64;
+  "snap_count", FInt64;
+  "vg_seqno", FInt64;
+  "vg_tags", FString;
+  "vg_mda_count", FInt64;
+  "vg_mda_free", FBytes;
+  (* Not in Fedora 10:
+     "vg_mda_size", FBytes;
+  *)
+]
+let lvm_lv_cols = [
+  "lv_name", FString;
+  "lv_uuid", FUUID;
+  "lv_attr", FString (* XXX *);
+  "lv_major", FInt64;
+  "lv_minor", FInt64;
+  "lv_kernel_major", FInt64;
+  "lv_kernel_minor", FInt64;
+  "lv_size", FBytes;
+  "seg_count", FInt64;
+  "origin", FString;
+  "snap_percent", FOptPercent;
+  "copy_percent", FOptPercent;
+  "move_pv", FString;
+  "lv_tags", FString;
+  "mirror_log", FString;
+  "modules", FString;
+]
+
+(* Names and fields in all structures (in RStruct and RStructList)
+ * that we support.
+ *)
+let structs = [
+  (* The old RIntBool return type, only ever used for aug_defnode.  Do
+   * not use this struct in any new code.
+   *)
+  "int_bool", [
+    "i", FInt32;               (* for historical compatibility *)
+    "b", FInt32;               (* for historical compatibility *)
+  ];
+
+  (* LVM PVs, VGs, LVs. *)
+  "lvm_pv", lvm_pv_cols;
+  "lvm_vg", lvm_vg_cols;
+  "lvm_lv", lvm_lv_cols;
+
+  (* Column names and types from stat structures.
+   * NB. Can't use things like 'st_atime' because glibc header files
+   * define some of these as macros.  Ugh.
+   *)
+  "stat", [
+    "dev", FInt64;
+    "ino", FInt64;
+    "mode", FInt64;
+    "nlink", FInt64;
+    "uid", FInt64;
+    "gid", FInt64;
+    "rdev", FInt64;
+    "size", FInt64;
+    "blksize", FInt64;
+    "blocks", FInt64;
+    "atime", FInt64;
+    "mtime", FInt64;
+    "ctime", FInt64;
+  ];
+  "statvfs", [
+    "bsize", FInt64;
+    "frsize", FInt64;
+    "blocks", FInt64;
+    "bfree", FInt64;
+    "bavail", FInt64;
+    "files", FInt64;
+    "ffree", FInt64;
+    "favail", FInt64;
+    "fsid", FInt64;
+    "flag", FInt64;
+    "namemax", FInt64;
+  ];
+
+  (* Column names in dirent structure. *)
+  "dirent", [
+    "ino", FInt64;
+    (* 'b' 'c' 'd' 'f' (FIFO) 'l' 'r' (regular file) 's' 'u' '?' *)
+    "ftyp", FChar;
+    "name", FString;
+  ];
+
+  (* Version numbers. *)
+  "version", [
+    "major", FInt64;
+    "minor", FInt64;
+    "release", FInt64;
+    "extra", FString;
+  ];
+
+  (* Extended attribute. *)
+  "xattr", [
+    "attrname", FString;
+    "attrval", FBuffer;
+  ];
+
+  (* Inotify events. *)
+  "inotify_event", [
+    "in_wd", FInt64;
+    "in_mask", FUInt32;
+    "in_cookie", FUInt32;
+    "in_name", FString;
+  ];
+
+  (* Partition table entry. *)
+  "partition", [
+    "part_num", FInt32;
+    "part_start", FBytes;
+    "part_end", FBytes;
+    "part_size", FBytes;
+  ];
+] (* end of structs *)
+
+(* Ugh, Java has to be different ..
+ * These names are also used by the Haskell bindings.
+ *)
+let java_structs = [
+  "int_bool", "IntBool";
+  "lvm_pv", "PV";
+  "lvm_vg", "VG";
+  "lvm_lv", "LV";
+  "stat", "Stat";
+  "statvfs", "StatVFS";
+  "dirent", "Dirent";
+  "version", "Version";
+  "xattr", "XAttr";
+  "inotify_event", "INotifyEvent";
+  "partition", "Partition";
+]
+
+let java_name_of_struct typ =
+  try List.assoc typ java_structs
+  with Not_found ->
+    failwithf
+      "java_name_of_struct: no java_structs entry corresponding to %s" typ
+
+let cols_of_struct typ =
+  try List.assoc typ structs
+  with Not_found ->
+    failwithf "cols_of_struct: unknown struct %s" typ