From: Stefan Bund <stefan@j32.de>
Date: Sat, 7 Nov 2009 09:05:22 +0000 (+0100)
Subject: Fix/finish modularization
X-Git-Url: http://g0dil.de/git?p=mapsector.git;a=commitdiff_plain;h=a289841fd09d35ec7d9db3a740170500212e0f36

Fix/finish modularization
---

diff --git a/debian/changelog b/debian/changelog
index d9607b9..3c4fc18 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,8 +6,9 @@ mapsector (0.0.1~1.gbpc67543) UNRELEASED; urgency=low
   * [63c6e663] Add version variable
   * [9b845b7a] Add --version/-V command line option
   * [c6754307] add updateversion.sh script
+  * [cd564bd2] debianize
 
- -- Stefan Bund <stefan@j32.de>  Fri, 06 Nov 2009 14:38:29 +0100
+ -- Stefan Bund <stefan@j32.de>  Fri, 06 Nov 2009 15:04:36 +0100
 
 mapsector (0.0.0) unstable; urgency=low
 
diff --git a/lib/10_map_raid.sh b/lib/10_map_raid.sh
index 7c1b462..919817c 100644
--- a/lib/10_map_raid.sh
+++ b/lib/10_map_raid.sh
@@ -8,11 +8,13 @@ describe_raid()
     echo "    RAID level 1"
 }
 
-map_raid()
+do_raid()
 {
     local mddevice
     local mdlevel
 
+    echo "# $device: RAID detected" 1>&2
+
     mddevice="`mdadm -Q $device | sed -ne 's/.*\(raid[0-9] \/dev\/[^.]*\).*/\1/' -eT -ep`"
 
     if [ -z "$mddevice" ]; then
@@ -28,6 +30,8 @@ map_raid()
     echo "sector $sector"
 
     device="$mddevice"
+
+    return 1
 }
 
 register_mapper "raid"
diff --git a/lib/10_scan_mountpoint.sh b/lib/10_scan_mountpoint.sh
index e020fb9..fc6a549 100644
--- a/lib/10_scan_mountpoint.sh
+++ b/lib/10_scan_mountpoint.sh
@@ -24,6 +24,8 @@ do_mountpoint()
 		;;
 	esac
     done < /proc/mounts
+    
+    return 1
 }
 
 register_scanner "mountpoint"
diff --git a/lib/50_map_crtypt.sh b/lib/50_map_crtypt.sh
index 4ec0ec0..927633b 100644
--- a/lib/50_map_crtypt.sh
+++ b/lib/50_map_crtypt.sh
@@ -8,7 +8,7 @@ describe_crypt()
     echo "    cryptsetup (luks and dmcrypt)"
 }
 
-map_crypt()
+do_crypt()
 {
     # Step 2: Find the crypted volume defined for this partition
 
@@ -18,6 +18,8 @@ map_crypt()
     local cryptsector
     local type
 
+    echo "# $device: cryptsetup detected" 1>&2
+
     offset="`cryptsetup luksDump $device 2>/dev/null | awk '/^Payload offset/{print $3}'`"
 
     if [ -z "$offset" ]; then
@@ -44,6 +46,8 @@ map_crypt()
     
     device="$cryptdev"
     sector="$cryptsector"
+
+    return 1
 }
 
 register_mapper "crypt"
diff --git a/lib/50_map_lvm.sh b/lib/50_map_lvm.sh
index 51fbffc..8bd5b02 100644
--- a/lib/50_map_lvm.sh
+++ b/lib/50_map_lvm.sh
@@ -8,7 +8,7 @@ describe_lvm()
     echo "    LVM (linear allocation scheme)"
 }
 
-map_lvm()
+do_lvm()
 {
     local pvname
     local pesize
@@ -21,6 +21,8 @@ map_lvm()
     local lenum
     local fsdev
     local fssector
+
+    echo "# $device: LVM detected" 1>&2
     
     # Step 3: Get pysical extent number
 
@@ -81,6 +83,8 @@ map_lvm()
 
     device="$fsdev"
     sector="$fssector"
+
+    return 1
 }
 
 register_mapper "lvm"
diff --git a/lib/50_map_partition.sh b/lib/50_map_partition.sh
index 1e16873..c3d5886 100644
--- a/lib/50_map_partition.sh
+++ b/lib/50_map_partition.sh
@@ -8,7 +8,7 @@ describe_partition()
     echo "    partition tables"
 }
 
-map_partition()
+do_partition()
 {
     # Step 1: Find partition to which this sector belongs
 
@@ -16,6 +16,8 @@ map_partition()
     local partstart
     local partsector
 
+    echo "# $device: partition table detected" 1>&2
+
     partdev="`fdisk -ul $device | awk -v sector="$sector" -F '[ *]+' '/^\// && !/Extended$/ && $2<=sector && $3>=sector {print $1,$2}'`" #`"
 
     if [ -z "$partdev" ]; then
@@ -33,6 +35,8 @@ map_partition()
 
     device="$partdev"
     sector="$partsector"
+
+    return 1
 }
 
 register_mapper "partition"
diff --git a/lib/50_scan_extfs.sh b/lib/50_scan_extfs.sh
index cccf7f7..f2004f1 100644
--- a/lib/50_scan_extfs.sh
+++ b/lib/50_scan_extfs.sh
@@ -8,7 +8,7 @@ describe_extfs()
     echo "    ext2-4"
 }
 
-scan_extfs()
+do_extfs()
 {
     local fsblocksize
     local fsblock
@@ -16,6 +16,8 @@ scan_extfs()
     local fstype
     local inode
 
+    echo "$device: ext2-4 filesystem detected" 1>&2
+
     fstype="`file -s $device | sed -e 's/.*\(ext[0-9]\).*/\1/'`"
     echo "fstype $fstype"
 
@@ -75,6 +77,8 @@ scan_extfs()
 	    echo "blocktype journal?"
 	fi
     ) 3>&1
+
+    return 0
 }
 
 register_scanner "extfs"
diff --git a/lib/50_scan_reiserfs.sh b/lib/50_scan_reiserfs.sh
index 6d44cf3..9c91d31 100644
--- a/lib/50_scan_reiserfs.sh
+++ b/lib/50_scan_reiserfs.sh
@@ -8,11 +8,13 @@ describe_reiserfs()
     echo "    reiserfs"
 }
 
-scan_reiserfs()
+do_reiserfs()
 {
     local blocksize
     local block
     local subsector
+    
+    echo "# $device: reiserfs filesystem detected" 1>&2
 
     echo "fstype reiserfs"
 
@@ -169,6 +171,7 @@ for path in scan_path(blockid):
         sys.stdout.write("name %s\n" % path)
 EOF
 
+    return 0
 }
 
 register_scanner "reiserfs"
diff --git a/mapsector b/mapsector
index 353c6de..9eb97c6 100755
--- a/mapsector
+++ b/mapsector
@@ -25,13 +25,13 @@ load()
 
 # Map device/sector through blockdevice mappings (e.g. lvm)
 
-run()
+map()
 {
     local found
-    foundm=1
+    found=1
     while [ -n "$found" ]; do
 	found=""
-	for name in "$@"; do
+	for name in $mappers; do
 	    if detect_$name; then
 		found=1
 		if do_$name; then
@@ -43,6 +43,17 @@ run()
     done
 }
 
+scan()
+{
+    for name in $scanners; do
+	if detect_$name; then
+	    if do_$name; then
+		return
+	    fi
+	fi
+    done
+}
+
 ###########################################################################
 
 unset LANG
@@ -134,7 +145,7 @@ sector="$2"
 echo "device $device"
 echo "sector $sector"
 
-run $mappers
+map
 if [ -z "$noscan" ]; then
-    run $scanners
+    scan
 fi