From 6993463ee17b2c6b2de65649d535e878e3310827 Mon Sep 17 00:00:00 2001
From: Silvan Jegen <s.jegen@gmail.com>
Date: Fri, 23 Oct 2015 18:34:23 +0200
Subject: Use the workers (WIP)

---
 gwic.go | 39 +++++++++++++++++++++++++++------------
 1 file changed, 27 insertions(+), 12 deletions(-)

(limited to 'gwic.go')

diff --git a/gwic.go b/gwic.go
index c806196..b71a307 100644
--- a/gwic.go
+++ b/gwic.go
@@ -48,18 +48,30 @@ func printWithContext(all []string, ind, ctxlen int) {
 }
 
 func feedworkers(wlist []*work, w string) []*work {
-	var onefinished bool
 	var ret []*work
+	if len(wlist) == 0 {
+		return ret
+	}
+	ret = make([]*work, len(wlist))
+
+	copy(ret, wlist)
+	//fmt.Fprintf(os.Stderr, "wlist not empty: %v ret: %v\n", wlist, ret)
+
 	for _, wc := range wlist {
 		if wc.left == 0 {
 			close(wc.c)
-			onefinished = true
+			//fmt.Fprintf(os.Stderr, "Closed wc: %s\n", wc)
+			// TODO: remove the right one?
+			if len(wlist) >= 1 {
+				ret = wlist[1:]
+			}
+		} else {
+			wc.c <- w
+			wc.left -= 1
+			//fmt.Fprintf(os.Stderr, "diminished wc: %v\n", wc)
 		}
 	}
 
-	if onefinished && len(wlist) > 1 {
-		ret = wlist[1:]
-	}
 	return ret
 }
 
@@ -72,27 +84,30 @@ func print_kwic(sl []string, c chan string) {
 
 func printqueue(q *queue, c chan string, left int) {
 	var hungryhippos []*work
+
 	for w := range c {
 		index := strings.Index(w, kw)
 		if index < 0 {
 			q.insert(w)
-			feedworkers(hungryhippos, w)
+			hungryhippos = feedworkers(hungryhippos, w)
 			continue
 		}
 
 		q.insert(fmt.Sprintf("%q", w))
 
-		fmt.Fprintf(os.Stdout, "%q totally matched %q\n", w, kw)
-		fmt.Fprintf(os.Stdout, "queue was %v\n", q.q)
+		//fmt.Fprintf(os.Stdout, "%q totally matched %q\n", w, kw)
+		//fmt.Fprintf(os.Stdout, "queue was %v\n", q.q)
 
 		wc := &work{c: make(chan string), left: 5}
 
-		feedworkers(hungryhippos, w)
+		hungryhippos = feedworkers(hungryhippos, w)
 
 		sl := make([]string, MAX)
-		n := copy(sl, q.q[6:])
-		fmt.Fprintf(os.Stdout, "copied %d : %v\n", n, sl)
+		//n := copy(sl, q.q[6:])
+		copy(sl, q.q[6:])
+		//fmt.Fprintf(os.Stdout, "copied %d : %v\n", n, sl)
 		hungryhippos = append(hungryhippos, wc)
+		//fmt.Fprintf(os.Stderr, "appended hungryhippos: %v %d\n", hungryhippos, len(hungryhippos))
 		go print_kwic(sl, wc.c)
 	}
 	for _, wc := range hungryhippos {
@@ -137,6 +152,6 @@ func main() {
 	}(sc)
 
 	printqueue(&q, sc, 5)
-	//printWithContext(splline, i, 5)
+	fmt.Printf("Reached end\n")
 	tw.Flush()
 }
-- 
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