*** empty log message ***

svn path=/trunk/boinc/; revision=1028

sched/watch_tcp

@@ -0,0 +1,119 @@
+#! /bin/csh 
+# 
+# by jeffc 
+# 
+# Usage :
+# tcpstat [-t | -i interval] -w
+#
+# Options:
+#	-t	given current counter totals
+#	-i interval	sample at interval seconds and give counter rate
+#   -w watch_mode
+# Default is -i 5
+#
+#
+
+set usage = "usage: watch_tcp [-t | -i interval] -w"
+set get_current_totals = 0
+set get_current_rates  = 1
+set interval = 5
+set watch_mode = 0
+set drop_limit = 3
+
+while ($#argv)
+    if ("$argv[1]" == "-t") then
+        set get_current_totals = 1
+        set get_current_rates = 0
+    else if ("$argv[1]" == "-i") then
+        set get_current_rates = 1
+        set get_current_totals = 0
+        shift
+        set interval = $argv[1]
+    else if ("$argv[1]" == "-w") then
+        set watch_mode = 1
+    endif
+
+    shift
+end
+
+set now = `date '+%y:%m:%d:%H:%M:%S'`
+set TMPFILE = /tmp/tcpstat.tmp.${now}.$$
+set DFILE = /tmp/tcpstat.tmp.delta.${now}.$$
+set DROPFILE = /tmp/DROPS
+
+if($get_current_totals) then
+	netstat -i -s -P tcp | sed -g s/=/\ / > $TMPFILE
+
+	echo ""
+	echo "handshake queue max     " `/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q0`
+	echo "ESTABLISHED queue max   " `/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q`
+	echo ""
+	awk '{if($1 == "tcpOutDataSegs") print $1"	"$2}' $TMPFILE
+	awk '{if($3 == "tcpOutDataBytes") print $3"	"$4}' $TMPFILE
+	awk '{if($3 == "tcpPassiveOpens") print $3"	"$4}' $TMPFILE
+	awk '{if($1 == "tcpListenDrop") print $1"	"$2}' $TMPFILE
+	awk '{if($3 == "tcpListenDropQ0") print $3"	"$4}' $TMPFILE
+	awk '{if($1 == "tcpHalfOpenDrop") print $1"	"$2}' $TMPFILE
+
+	\rm $TMPFILE
+
+else 
+
+	netstat -i -s -P tcp | sed -g s/=/\ / > $TMPFILE
+	sleep $interval
+	netstat -i -s -P tcp | sed -g s/=/\ / > $DFILE
+
+	set ODS = `awk '{if($1 == "tcpOutDataSegs") print $2}' $TMPFILE`
+	set ODS5 = `awk '{if($1 == "tcpOutDataSegs") print $2}' $DFILE`
+	set ODB = `awk '{if($3 == "tcpOutDataBytes") print $4}' $TMPFILE`
+	set ODB5 = `awk '{if($3 == "tcpOutDataBytes") print $4}' $DFILE`
+	set PO  = `awk '{if($3 == "tcpPassiveOpens") print $4}' $TMPFILE`
+	set PO5  = `awk '{if($3 == "tcpPassiveOpens") print $4}' $DFILE`
+	set LD = `awk '{if($1 == "tcpListenDrop") print $2}' $TMPFILE`
+	set LD5 = `awk '{if($1 == "tcpListenDrop") print $2}' $DFILE`
+	set LDQ0 = `awk '{if($3 == "tcpListenDropQ0") print $4}' $TMPFILE`
+	set LDQ05 = `awk '{if($3 == "tcpListenDropQ0") print $4}' $DFILE`
+	set HOD = `awk '{if($1 == "tcpHalfOpenDrop") print $2}' $TMPFILE`
+	set HOD5 = `awk '{if($1 == "tcpHalfOpenDrop") print $2}' $DFILE`
+
+    @ ODS_rate = ($ODS5 - $ODS)  / $interval
+    @ ODB_rate = ($ODB5 - $ODB)    / $interval
+    @ PO_rate  = ($PO5 - $PO)    / $interval
+    @ LD_rate  = ($LD5 - $LD)    / $interval 
+    @ LDQ0_rate = ($LDQ05 - $LDQ0)  / $interval
+    @ HOD_rate  = ($HOD5 - $HOD)    / $interval
+
+    if($watch_mode) then
+        echo INFO $now TCP Out B/s : $ODB_rate  Listen drops/s : $LD_rate
+        if($LD_rate) then
+            if(-f $DROPFILE) then
+                set drop_count = `cat $DROPFILE`
+                @ drop_count++
+                if($drop_count > $drop_limit) then
+                    echo CRITICAL $now TCP dropping connections for $drop_count checks
+                endif
+                echo $drop_count > $DROPFILE
+            else
+                echo 1 > $DROPFILE
+            endif
+        else
+            if(-f $DROPFILE) then
+                rm $DROPFILE
+        endif
+    else
+        echo ""
+        echo "handshake queue max     " `/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q0`
+        echo "ESTABLISHED queue max   " `/usr/sbin/ndd -get /dev/tcp tcp_conn_req_max_q`
+        echo ""
+        echo tcpOutDataSegs"	"$ODS_rate  per second 
+        echo tcpOutDataBytes" "$ODB_rate  per second 
+        echo tcpPassiveOpens"	"$PO_rate  per second
+        echo tcpListenDrop"   "$LD_rate  per second
+        echo tcpListenDropQ0"	"$LDQ0_rate  per second
+        echo tcpHalfOpenDrop"	"$HOD_rate  per second
+    endif
+
+	\rm $TMPFILE
+	\rm $DFILE
+endif
+