From 5c27ae1c23c31789612428d7526d315f2747f0d9 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 23 Apr 2021 15:41:24 +0200
Subject: indexamajig: Mercilessly ignore short ZMQ messages

This is a hack to filter out what seems like "keepalive" messages.  It's
nasty, but better than contaminating the stream with spurious chunks.
---
 src/im-sandbox.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/im-sandbox.c b/src/im-sandbox.c
index 3f689a0d..7760693a 100644
--- a/src/im-sandbox.c
+++ b/src/im-sandbox.c
@@ -436,8 +436,10 @@ static int run_work(const struct index_args *iargs, Stream *st,
 
 		} else {
 
-			pargs.zmq_data = im_zmq_fetch(zmqstuff,
-			                              &pargs.zmq_data_size);
+			do {
+				pargs.zmq_data = im_zmq_fetch(zmqstuff,
+				                              &pargs.zmq_data_size);
+			} while ( pargs.zmq_data_size < 15 );
 			pargs.filename = strdup("(from ZMQ)");
 			pargs.event = NULL;
 			ser = 0;  /* FIXME: Serial numbers from ZMQ? */
-- 
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