travelmate: update 1.4.8 9331/head
authorDirk Brenken <dev@brenken.org>
Wed, 26 Jun 2019 20:30:36 +0000 (22:30 +0200)
committerDirk Brenken <dev@brenken.org>
Wed, 26 Jun 2019 20:30:36 +0000 (22:30 +0200)
* optimize the main scan/iwinfo call (performance & system load):
  - remove a needless f_trim function call
  - remove a redundant awk call
  - reduce the scan buffer size and
    make it configurable (trm_scanbuffer, default 1024 bytes)
* cosmetics

Signed-off-by: Dirk Brenken <dev@brenken.org>
net/travelmate/Makefile
net/travelmate/files/travelmate.sh

index e1682e17e0d8f7078d2cc69be12385b1e98e2701..1ba32dfc6a76d3615c6d61157627609b741e0e87 100644 (file)
@@ -6,7 +6,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=travelmate
-PKG_VERSION:=1.4.7
+PKG_VERSION:=1.4.8
 PKG_RELEASE:=1
 PKG_LICENSE:=GPL-3.0+
 PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>
index 94d4211db6907823cb140000e9d149575d8e7c29..ed68c7bb465a5baa7c5b3ef813f41c3b5a6483ac 100755 (executable)
@@ -10,7 +10,7 @@
 #
 LC_ALL=C
 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
-trm_ver="1.4.7"
+trm_ver="1.4.8"
 trm_sysver="unknown"
 trm_enabled=0
 trm_debug=0
@@ -19,6 +19,7 @@ trm_captive=1
 trm_proactive=1
 trm_netcheck=0
 trm_captiveurl="http://captive.apple.com"
+trm_scanbuffer=1024
 trm_minquality=35
 trm_maxretry=5
 trm_maxwait=30
@@ -394,7 +395,7 @@ f_log()
 #
 f_main()
 {
-       local IFS cnt dev config scan scan_list scan_essid scan_bssid scan_quality faulty_list
+       local IFS cnt dev config spec scan_list scan_essid scan_bssid scan_quality faulty_list
        local station_id sta sta_essid sta_bssid sta_radio sta_iface active_essid active_bssid active_radio
 
        f_check "initial"
@@ -417,7 +418,7 @@ f_main()
                        f_check "dev"
                fi
                json_get_var faulty_list "faulty_stations"
-               f_log "debug" "f_main ::: iwinfo: ${trm_iwinfo:-"-"}, dev_list: ${trm_devlist:-"-"}, sta_list: ${trm_stalist:0:800}, faulty_list: ${faulty_list:-"-"}"
+               f_log "debug" "f_main ::: iwinfo: ${trm_iwinfo:-"-"}, dev_list: ${trm_devlist:-"-"}, sta_list: ${trm_stalist:0:${trm_scanbuffer}}, faulty_list: ${faulty_list:-"-"}"
                # radio loop
                #
                for dev in ${trm_devlist}
@@ -450,10 +451,11 @@ f_main()
                                f_log "debug" "f_main ::: sta_radio: ${sta_radio}, sta_essid: \"${sta_essid}\", sta_bssid: ${sta_bssid:-"-"}"
                                if [ -z "${scan_list}" ]
                                then
-                                       scan_list="$(f_trim "$("${trm_iwinfo}" "${dev}" scan 2>/dev/null | \
-                                               awk 'BEGIN{FS="[ ]"}/Address:/{var1=$NF}/ESSID:/{var2="";for(i=12;i<=NF;i++)if(var2==""){var2=$i}else{var2=var2" "$i};gsub(/,/,".",var2)}/Quality:/{split($NF,var0,"/");printf "%i,%s,%s\n",(var0[1]*100/var0[2]),var1,var2}' | \
-                                               sort -rn | awk 'BEGIN{ORS=","}{print $0}' | awk '{print substr($0,1,4096)}')")"
-                                       f_log "debug" "f_main ::: scan_list: ${scan_list:0:800}"
+                                       scan_list="$("${trm_iwinfo}" "${dev}" scan 2>/dev/null | \
+                                               awk 'BEGIN{FS="[ ]"}/Address:/{var1=$NF}/ESSID:/{var2="";for(i=12;i<=NF;i++)if(var2==""){var2=$i}else{var2=var2" "$i};
+                                               gsub(/,/,".",var2)}/Quality:/{split($NF,var0,"/");printf "%i,%s,%s\n",(var0[1]*100/var0[2]),var1,var2}' | \
+                                               sort -rn | awk -v buf="${trm_scanbuffer}" 'BEGIN{ORS=","}{print substr($0,1,buf)}')"
+                                       f_log "debug" "f_main ::: scan_buffer: ${trm_scanbuffer}, scan_list: ${scan_list}"
                                        if [ -z "${scan_list}" ]
                                        then
                                                f_log "debug" "f_main ::: no scan results on '${dev}' - continue"
@@ -463,17 +465,17 @@ f_main()
                                # scan loop
                                #
                                IFS=","
-                               for scan in ${scan_list}
+                               for spec in ${scan_list}
                                do
                                        if [ -z "${scan_quality}" ]
                                        then
-                                               scan_quality="${scan}"
+                                               scan_quality="${spec}"
                                        elif [ -z "${scan_bssid}" ]
                                        then
-                                               scan_bssid="${scan}"
+                                               scan_bssid="${spec}"
                                        elif [ -z "${scan_essid}" ]
                                        then
-                                               scan_essid="${scan}"
+                                               scan_essid="${spec}"
                                        fi
                                        if [ -n "${scan_quality}" ] && [ -n "${scan_bssid}" ] && [ -n "${scan_essid}" ]
                                        then