[Mldonkey-commits] Changes to mldonkey/src/config/unix/mlUnix.ml

[mldonkey-commits]

Index: mldonkey/src/config/unix/mlUnix.ml
diff -u mldonkey/src/config/unix/mlUnix.ml:1.7 
mldonkey/src/config/unix/mlUnix.ml:1.8
--- mldonkey/src/config/unix/mlUnix.ml:1.7      Sat May 28 10:20:33 2005
+++ mldonkey/src/config/unix/mlUnix.ml  Tue Jul 26 21:35:10 2005
@@ -89,3 +89,179 @@
 let write = Unix.write
 
 let set_nonblock = Unix.set_nonblock
+
+type statfs = {
+  f_type : int64;   (* type of filesystem *)
+  f_bsize : int64;  (* optimal transfer block size *)
+  f_blocks : int64; (* total data blocks in file system *)
+  f_bfree : int64;  (* free blocks in fs *)
+  f_bavail : int64; (* free blocks avail to non-superuser *)
+  f_files : int64;  (* total file nodes in file system *)
+  f_ffree : int64;  (* free file nodes in fs *)
+  f_fsid : unit;  (* See note in statfs(2) *)
+  f_fnamelen : int64; (* maximum length of filenames *)
+  f_basetype : string; (* type of filesystem - Solaris, (-1) on other systems, 
use f_type there *)
+  f_frsize : int64;  (* Fundamental file system block size, (-1) if not 
provided by system *)
+}
+
+exception Not_supported
+exception Error
+
+let _ = Callback.register_exception "not supported" Not_supported
+let _ = Callback.register_exception "error" Error
+
+external statfs : string -> statfs = "statfs_statfs"
+external fstatfs : Unix.file_descr -> statfs = "statfs_fstatfs"
+
+let ( ** ) x y = Int64.mul x y
+let ( ++ ) x y = Int64.add x y
+let ( -- ) x y = Int64.sub x y
+let ( // ) x y = Int64.div x y
+
+let bsize dir =
+  begin
+    try
+  let s = statfs dir in
+    if s.f_frsize = Int64.zero || s.f_frsize = Int64.of_int (-1) then
+      s.f_bsize
+    else
+      s.f_frsize
+    with e -> Int64.of_int (-1)
+  end
+
+let blocks dir =
+  begin
+    try
+  let s = statfs dir in
+    s.f_blocks
+    with e -> Int64.of_int (-1)
+  end
+
+let bfree dir =
+  begin
+    try
+  let s = statfs dir in
+    s.f_bfree
+    with e -> Int64.of_int (-1)
+  end
+
+let bavail dir =
+  begin
+    try
+  let s = statfs dir in
+    s.f_bavail
+    with e -> Int64.of_int (-1)
+  end
+
+let fnamelen dir =
+  begin
+    try
+  let s = statfs dir in
+    s.f_fnamelen
+    with e -> Int64.of_int (-1)
+  end
+
+let disktotal dir =
+(* total disk space in bytes *)
+  begin
+    try
+  let s = statfs dir in
+    ((bsize dir) ** s.f_blocks)
+    with e -> Int64.of_int (-1)
+  end
+
+let diskfree dir =
+(* free disk space in bytes *)
+  begin
+    try
+  let s = statfs dir in
+    ((bsize dir) ** s.f_bavail)
+    with e -> Int64.of_int (-1)
+  end
+
+let diskused dir =
+(* used disk space in bytes *)
+  begin
+    try
+  let s = statfs dir in
+    ((bsize dir) ** (s.f_blocks -- s.f_bavail))
+    with e -> Int64.of_int (-1)
+  end
+
+let percentused dir =
+(* percentage of used disk space *)
+  if (diskfree dir) = Int64.of_int (-1) then
+    (-1)
+  else
+    Int64.to_int (100L -- ((diskfree dir) ** 100L // (disktotal dir)))
+
+let percentfree dir =
+(* percentage of free disk space *)
+  if (diskfree dir) = Int64.of_int (-1) then
+    (-1)
+  else
+    Int64.to_int ((diskfree dir) ** 100L // (disktotal dir))
+
+let filesystem dir =
+  begin
+    try
+  let s = statfs dir in
+    match s.f_type with
+(* values copied from statfs(2) manpage *)
+    | 0xadf5L -> "ADFS_SUPER_MAGIC"
+    | 0xADFFL -> "AFFS_SUPER_MAGIC"
+    | 0x42465331L -> "BEFS_SUPER_MAGIC"
+    | 0x1BADFACEL -> "BFS_MAGIC"
+    | 0xFF534D42L -> "CIFS_MAGIC_NUMBER"
+    | 0x73757245L -> "CODA_SUPER_MAGIC"
+    | 0x012FF7B7L -> "COH_SUPER_MAGIC"
+    | 0x28cd3d45L -> "CRAMFS_MAGIC"
+    | 0x1373L -> "DEVFS_SUPER_MAGIC"
+    | 0x00414A53L -> "EFS_SUPER_MAGIC"
+    | 0x137DL -> "EXT_SUPER_MAGIC"
+    | 0xEF51L -> "ext2" (* EXT2_OLD_SUPER_MAGIC *)
+    | 0xEF53L -> "ext2/3" (* EXT2/3_SUPER_MAGIC *)
+    | 0x4244L -> "HFS_SUPER_MAGIC"
+    | 0xF995E849L -> "HPFS_SUPER_MAGIC"
+    | 0x958458f6L -> "HUGETLBFS_MAGIC"
+    | 0x9660L -> "ISOFS_SUPER_MAGIC"
+    | 0x4000L -> "ISOFS_SUPER_MAGIC_WIN" (* from coreutils-5.2.1, stat.c *)
+    | 0x4004L -> "ISOFS_SUPER_MAGIC_R_WIN" (* from coreutils-5.2.1, stat.c *)
+    | 0x72b6L -> "JFFS2_SUPER_MAGIC"
+    | 0x3153464aL -> "JFS_SUPER_MAGIC"
+    | 0x137FL -> "MINIX_SUPER_MAGIC"
+    | 0x138FL -> "MINIX_SUPER_MAGIC2"
+    | 0x2468L -> "MINIX2_SUPER_MAGIC"
+    | 0x2478L -> "MINIX2_SUPER_MAGIC2"
+    | 0x4d44L -> "msdos" (* MSDOS_SUPER_MAGIC *)
+    | 0x4006L -> "fat" (* from coreutils-5.2.1, stat.c *)
+    | 0x564cL -> "NCP_SUPER_MAGIC"
+    | 0x6969L -> "NFS_SUPER_MAGIC"
+    | 0x5346544eL -> "ntfs" (* NTFS_SB_MAGIC *)
+    | 0x9fa1L -> "OPENPROM_SUPER_MAGIC"
+    | 0x9fa0L -> "PROC_SUPER_MAGIC"
+    | 0x002fL -> "QNX4_SUPER_MAGIC"
+    | 0x52654973L -> "reiserfs" (* REISERFS_SUPER_MAGIC *)
+    | 0x52345362L -> "reiser4"
+    | 0x7275L -> "ROMFS_MAGIC"
+    | 0x517BL -> "smb" (* SMB_SUPER_MAGIC *)
+    | 0x012FF7B6L -> "SYSV2_SUPER_MAGIC"
+    | 0x012FF7B5L -> "SYSV4_SUPER_MAGIC"
+    | 0x01021994L -> "tmpfs" (* TMPFS_MAGIC *)
+    | 0x15013346L -> "UDF_SUPER_MAGIC"
+    | 0x00011954L -> "UFS_MAGIC"
+    | 0x9fa2L -> "USBDEVICE_SUPER_MAGIC"
+    | 0xa501FCF5L -> "VXFS_SUPER_MAGIC"
+    | 0x012FF7B4L -> "XENIX_SUPER_MAGIC"
+    | 0x58465342L -> "XFS_SUPER_MAGIC"
+    | 0x012FD16DL -> "_XIAFS_SUPER_MAGIC"
+    | 5L -> "iso9660" (* Cygwin *)
+    | 6L -> "fat" (* Cygwin *)
+    | 0x700FFL -> "ntfs" (* Cygwin *)
+    | 0xC3L -> "ext2/3" (* Cygwin *)
+    | _ -> if s.f_basetype <> "-1" then
+            s.f_basetype
+          else
+            Printf.sprintf "unknown (%Ld)" s.f_type
+    with e -> "not supported"
+  end