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authorDaniel Stenberg <daniel@haxx.se>2017-12-05 08:39:31 +0100
committerDaniel Stenberg <daniel@haxx.se>2017-12-05 23:36:08 +0100
commitea3a5d07dc5d71306c60ad4fd2b8c2a3ccb57d6a (patch)
tree855dd3ce856d02c92a1b2c06ef6d6d642149dd60 /lib
parent415b8dff8e4b887f7479f16cb415ba8b2d9c20f9 (diff)
conncache: only allow multiplexing within same multi handle
Connections that are used for HTTP/1.1 Pipelining or HTTP/2 multiplexing only get additional transfers added to them if the existing connection is held by the same multi or easy handle. libcurl does not support doing HTTP/2 streams in different threads using a shared connection. Closes #2152
Diffstat (limited to 'lib')
-rw-r--r--lib/url.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/url.c b/lib/url.c
index b38e88eec..be2105e3b 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1264,6 +1264,11 @@ ConnectionExists(struct Curl_easy *data,
already in use so we skip it */
continue;
+ if((check->inuse) && (check->data->multi != needle->data->multi))
+ /* this could be subject for pipeline/multiplex use, but only
+ if they belong to the same multi handle */
+ continue;
+
if(needle->localdev || needle->localport) {
/* If we are bound to a specific local end (IP+port), we must not
re-use a random other one, although if we didn't ask for a