[Pkg-voip-commits] [dahdi-tools] 185/285: improved dahdi_span_types dumpconfig

[tzafrir at debian.org]

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tzafrir pushed a commit to branch master
in repository dahdi-tools.

commit f2628eeedd1bf9dc41c56062c9afbe190196232f
Author: Oron Peled <oron.peled at xorcom.com>
Date:   Mon Mar 31 19:48:30 2014 +0300

    improved dahdi_span_types dumpconfig
    
    * Better defaults:
      - A wildcard match:
        - If '--line-mode' option is given, generate a wildcard entry.
          (existing behavior).
    
        - Otherwise, if *all spans* are of the same type (E1/T1),
          generate a wildcard entry for this type.
          This is the most common use-case and now it work without
          any command line flags.
    
        - Otherwise (mixed E1/T1 spans), do not generate a wildcard entry.
          This isn't common case (except from our labs), but regardless
          without '--line-mode' any guess could be wrong.
    
      - Specific device matches:
        - If all spans are of the same type, generate commented out
          specific entries (for manual overrides).
    
        - If spans have mixed E1/T1 types, generate specific entries
          In this case, specific entries MUST NOT be commented out
          otherwise, the configuration file is wrong!
    
    * Generated header with better organization:
      - Shows what is generated:
        - Generating wildcard / Not generating wildcard
        - Generating specific lines / Generating *commented-out* specific lines
    
      - For each decision, show *why* it was taken.
    
    Signed-off-by: Tzafrir Cohen <tzafrir.cohen at xorcom.com>
    Acked-by: Russ Meyerriecks <rmeyerriecks at digium.com>
---
 dahdi_span_types | 61 +++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 45 insertions(+), 16 deletions(-)

diff --git a/dahdi_span_types b/dahdi_span_types
index 85204d8..4154772 100755
--- a/dahdi_span_types
+++ b/dahdi_span_types
@@ -188,28 +188,57 @@ show_spantypes() {
 	done
 }
 
+list_pri_spantypes() {
+	find $DEVICES -follow -maxdepth 1 -name spantype | \
+		xargs cat | \
+		sed -n '/:[ETJ]1$/s/^.*://p' | \
+		sort -u | \
+		tr '\n' ' ' | \
+		sed -e 's/^ *//' -e 's/ *$//'
+}
+
 dump_config() {
+	pri_spantypes=`list_pri_spantypes`
+	num_spantypes=`echo "$pri_spantypes" | wc -w`
+	gen_default=''
 	echo '#'
 	echo "# Autogenerated by $0 on `date`"
 	echo "# Map PRI DAHDI devices to span types for E1/T1/J1"
+	echo "#"
+
+	echo "# Summary:"
 	if [ "$DEFAULT_LINE_MODE" != '' ]; then
-		echo "# Was run with '--line-mode=$DEFAULT_LINE_MODE' -- so will:"
-		echo "#     * Generate default wildcard entry"
-		echo "#     * Generate commented-out device list (for overrides)"
+		gen_default="$DEFAULT_LINE_MODE"
+		echo "#  * Generating wildcard match of $gen_default."
+		echo "#    - Was run with '--line-mode=$DEFAULT_LINE_MODE'"
+	elif [ "$num_spantypes" -eq 1 ]; then
+		gen_default="$pri_spantypes"
+		echo "#  * Generating wildcard match of $gen_default."
+		echo "#    - Spans were $pri_spantypes"
+	else
+		echo "#  * Not generating wildcard match."
+		echo "#    - Was run without '--line-mode' option and span were of mixed types [$pri_spantypes]"
+	fi
+	echo "#"
+	if [ "$num_spantypes" -eq 1 ]; then
+		echo "#  * Generating a list of commented out configurations for spans."
+		echo "#    - Spans were $pri_spantypes"
+		echo "#    - Uncomment for specific overrides"
+	else
+		echo "#  * Generating a list of specific span configurations."
+		echo "#    - Spans were of mixed types: $pri_spantypes"
 	fi
+	echo "#"
 	echo ''
-	fmt="%-65s %s\n"
-	printf "$fmt" '# @location/hardware_id' 'span_type'
 
-	if [ "$DEFAULT_LINE_MODE" != '' ]; then
-		echo ""
-		echo "# Wildcard line-mode $DEFAULT_LINE_MODE".
-		printf "$fmt" "*" "*:$DEFAULT_LINE_MODE"
-		echo ""
-		echo "# A list of commented out configurations for spans."
-		echo "# Each item may be un-commented to provide an override."
+	fmt="%-65s %s"
+	printf "$fmt\n" '# @location/hardware_id' 'span_type'
+
+	if [ "$gen_default" != '' ]; then
+		printf "$fmt\t\t# Wildcard line-mode" "*" "*:$gen_default"
 		echo ""
 	fi
+	echo ""
 	for device in $DEVICES
 	do
 		devpath=`cd "$device" && pwd -P`
@@ -226,10 +255,10 @@ dump_config() {
 		cat "$device/spantype" | while read st; do
 			case "$st" in
 			*:[ETJ]1)
-				if [ "$DEFAULT_LINE_MODE" != '' ]; then
-					printf "#$fmt" "$id" "$st"
+				if [ "$num_spantypes" -eq 1 ]; then
+					printf "#$fmt\n" "$id" "$st"
 				else
-					printf "$fmt" "$id" "$st"
+					printf "$fmt\n" "$id" "$st"
 				fi
 				;;
 			*)
@@ -237,7 +266,7 @@ dump_config() {
 				;;
 			esac
 		done | sort -n
-		#echo ''
+		echo ''
 	done
 }
 

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