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Posted to commits@qpid.apache.org by ac...@apache.org on 2018/01/05 16:35:52 UTC

[28/50] [abbrv] qpid-proton git commit: NO-JIRA: [go] add -prefetch option to receive.go example

NO-JIRA: [go] add -prefetch option to receive.go example


Project: http://git-wip-us.apache.org/repos/asf/qpid-proton/repo
Commit: http://git-wip-us.apache.org/repos/asf/qpid-proton/commit/d6e5360d
Tree: http://git-wip-us.apache.org/repos/asf/qpid-proton/tree/d6e5360d
Diff: http://git-wip-us.apache.org/repos/asf/qpid-proton/diff/d6e5360d

Branch: refs/heads/go1
Commit: d6e5360dcf4ea60633a291dad54040e73174cf57
Parents: cd056f3
Author: Alan Conway <ac...@redhat.com>
Authored: Wed Dec 13 17:13:19 2017 -0500
Committer: Alan Conway <ac...@redhat.com>
Committed: Wed Dec 13 17:13:19 2017 -0500

----------------------------------------------------------------------
 examples/go/electron/receive.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/qpid-proton/blob/d6e5360d/examples/go/electron/receive.go
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diff --git a/examples/go/electron/receive.go b/examples/go/electron/receive.go
index 568fcc9..9cab2eb 100644
--- a/examples/go/electron/receive.go
+++ b/examples/go/electron/receive.go
@@ -40,6 +40,7 @@ URLs are of the form "amqp://<host>:<port>/<amqp-address>"
 }
 
 var count = flag.Uint64("count", 1, "Stop after receiving this many messages in total")
+var prefetch = flag.Int("prefetch", 0, "enable a pre-fetch window to improve throughput")
 var debug = flag.Bool("debug", false, "Print detailed debug output")
 var debugf = func(format string, data ...interface{}) {} // Default no debugging output
 
@@ -78,7 +79,11 @@ func main() {
 			fatalIf(err)
 			connections <- c // Save connection so we can Close() when main() ends
 			addr := strings.TrimPrefix(url.Path, "/")
-			r, err := c.Receiver(electron.Source(addr))
+			opts := []electron.LinkOption{electron.Source(addr)}
+			if *prefetch > 0 {
+				opts = append(opts, electron.Capacity(*prefetch), electron.Prefetch(true))
+			}
+			r, err := c.Receiver(opts...)
 			fatalIf(err)
 			// Loop receiving messages and sending them to the main() goroutine
 			for {


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