Fix race condition, fix doc ...stable

- Remove use of named pipe which was a bad design in the first place
- Fix rare case where netcat's error slipping processing the last AS
- Doc: fix factual errors, add some more info

5 files changed, 29 insertions, 26 deletions

diff --git a/Makefile b/Makefile
index 7f4427c..d854e5a 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ README.md: table.md table6.md
 clean:
 	rm -f \
 		*.tmp \
+		asmap \
 		aslist \
 		routelist \
 		route6list \
@@ -20,16 +21,20 @@ clean:
 		result6.csv \
 		README.md
 
-aslist:
+asmap:
 	curl -sS 'https://krnic.kisa.or.kr/jsp/business/management/asList.jsp' | \
-		./get-kisa-as-list > aslist.tmp
+		./get-kisa-asmap > asmap.tmp
+	mv asmap.tmp asmap
+
+aslist: asmap
+	grep -Eoi 'AS[0-9]+' asmap > aslist.tmp
 	mv aslist.tmp aslist
 
 routelist: aslist
-	./query-prefixes < aslist > routelist.tmp
+	./query-prefixes < aslist 3< aslist > routelist.tmp
 	mv routelist.tmp routelist
 route6list: aslist
-	./query-prefixes -6 < aslist > route6list.tmp
+	./query-prefixes -6 < aslist 3< aslist > route6list.tmp
 	mv route6list.tmp route6list
 
 rpki-enabled: routelist
@@ -39,16 +44,16 @@ rpki6-enabled: route6list
 	./query-rpki-prefixes < route6list > rpki6-enabled.tmp
 	mv rpki6-enabled.tmp rpki6-enabled
 
-table.md: aslist routelist rpki-enabled
-	./produce-table aslist routelist rpki-enabled > table.md.tmp
+table.md: asmap routelist rpki-enabled
+	./produce-table asmap routelist rpki-enabled > table.md.tmp
 	mv table.md.tmp table.md
-table6.md: aslist route6list rpki6-enabled
-	./produce-table aslist route6list rpki6-enabled > table6.md.tmp
+table6.md: asmap route6list rpki6-enabled
+	./produce-table asmap route6list rpki6-enabled > table6.md.tmp
 	mv table6.md.tmp table6.md
 
-result.csv: aslist routelist rpki-enabled
-	./produce-table -c aslist routelist rpki-enabled > result.csv.tmp
+result.csv: asmap routelist rpki-enabled
+	./produce-table -c asmap routelist rpki-enabled > result.csv.tmp
 	mv result.csv.tmp result.csv
-result6.csv: aslist route6list rpki6-enabled
-	./produce-table -c aslist route6list rpki6-enabled > result6.csv.tmp
+result6.csv: asmap route6list rpki6-enabled
+	./produce-table -c asmap route6list rpki6-enabled > result6.csv.tmp
 	mv result6.csv.tmp result6.csv
diff --git a/README.skel.md b/README.skel.md
index 9bfd86a..69813ab 100644
--- a/README.skel.md
+++ b/README.skel.md
@@ -19,7 +19,11 @@ https://stat.ripe.net/ui2013/widget/rpki-by-country#w.resource=kr%2Cus%2Cjp%2Cau
 RPKI가 BGP 설정 오류로 인한 장애 예방에 좋으면 빨리 적용해야겠죠? 각 사업자의
 RPKI 적용률을 여기서 확인하세요.
 
-UTC+9 기준 매주 월요일 자정에 업데이트 자동 업데이트 중(Github Actions).
+UTC 기준 매주 월요일 자정에 업데이트 자동 업데이트 중([Github
+Actions](https://github.com/dxdxdt/rpki-tracker-kr/actions)). 데이터는
+`master`에 자동으로 커밋됨. 개발 편의를 위해 `dev`와 `stable` 브랜치에서는
+데이터 파일이 트래킹되지 않음. 소스코드 수정은 해당 브랜치에서 진행, CD/CI에
+적용 필요 시 `master`와 머지.
 
 ## 스크립트 실행 절차
 [Makefile 레시피](Makefile) 설명.
@@ -70,14 +74,14 @@ validation을 할 필요가 없기 때문에, 보급률이 100%가 될 필요는
 ## Usage
 ### INSTALL
 ```sh
-dnf install make python3
+dnf install curl netcat make python3
+git clone https://github.com/dxdxdt/rpki-tracker-kr
 ```
 
 ### Generate
 실행 시간 5분 내외. 메모리 사용량(RSS): 약 50MB
 
 ```sh
-git clone https://github.com/dxdxdt/rpki-tracker-kr
 make clean
 make
 ```
diff --git a/get-kisa-as-list b/get-kisa-asmap
index b4b1c10..b4b1c10 100755
--- a/get-kisa-as-list
+++ b/get-kisa-asmap
diff --git a/query-prefixes b/query-prefixes
index dc1bff6..746dc01 100755
--- a/query-prefixes
+++ b/query-prefixes
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 . common.sh
 
 PIPE_NAME="$$.fifo.tmp"
@@ -14,7 +15,6 @@ read_aslist () {
 
 	while read asn
 	do
-		echo ${asn} >&3
 		echo ${Q_PREFIX}${asn}
 	done
 }
@@ -30,13 +30,5 @@ output_filter () {
 }
 
 
-mkfifo "$PIPE_NAME" || exit 1
-grep -Eoi 'AS[0-9]+' |
-	read_aslist 3> "$PIPE_NAME" |
-	open_db |
-	extract_answer |
-	output_filter \
-		3< "$PIPE_NAME" &
-rm "$PIPE_NAME"
-
-wait
+set -o pipefail
+read_aslist | open_db | extract_answer | output_filter
diff --git a/query-rpki-prefixes b/query-rpki-prefixes
index 34c365a..5ed7815 100755
--- a/query-rpki-prefixes
+++ b/query-rpki-prefixes
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 . common.sh
 
 read_prefixes () {
@@ -25,4 +26,5 @@ process_result () {
 }
 
 
+set -o pipefail
 read_prefixes | open_db | extract_answer | process_result