connection_reuse patch

connection_reuse.patch

diff -urNp curl-7.67.0/lib/url.c curl-7.67.0/lib/url.c
--- curl-7.67.0/lib/url.c	2020-01-02 03:46:39.358670000 -0500
+++ curl-7.67.0/lib/url.c	2020-01-03 01:25:53.847411000 -0500
@@ -1072,6 +1072,8 @@ ConnectionExists(struct Curl_easy *data,
     while(curr) {
       bool match = FALSE;
       size_t multiplexed;
+      size_t multiplexed_cnt;
+      multiplexed_cnt = CONN_INUSE(check);

       /*
        * Note that if we use a HTTP proxy in normal mode (no tunneling), we
@@ -1345,9 +1347,9 @@ ConnectionExists(struct Curl_easy *data,
           if(check->bits.multiplex) {
             /* Multiplexed connections can only be HTTP/2 for now */
             struct http_conn *httpc = &check->proto.httpc;
-            if(multiplexed >= httpc->settings.max_concurrent_streams) {
+            if(multiplexed_cnt >= httpc->settings.max_concurrent_streams) {
               infof(data, "MAX_CONCURRENT_STREAMS reached, skip (%zu)\n",
-                    multiplexed);
+                    multiplexed_cnt);
               continue;
             }
           }
@@ -3593,25 +3595,6 @@ static CURLcode create_conn(struct Curl_
   else
     reuse = ConnectionExists(data, conn, &conn_temp, &force_reuse, &waitpipe);

-  /* If we found a reusable connection that is now marked as in use, we may
-     still want to open a new connection if we are multiplexing. */
-  if(reuse && !force_reuse && IsMultiplexingPossible(data, conn_temp)) {
-    size_t multiplexed = CONN_INUSE(conn_temp);
-    if(multiplexed > 0) {
-      infof(data, "Found connection %ld, with %zu requests on it\n",
-            conn_temp->connection_id, multiplexed);
-
-      if(Curl_conncache_bundle_size(conn_temp) < max_host_connections &&
-         Curl_conncache_size(data) < max_total_connections) {
-        /* We want a new connection anyway */
-        reuse = FALSE;
-
-        infof(data, "We can reuse, but we want a new connection anyway\n");
-        Curl_conncache_return_conn(conn_temp);
-      }
-    }
-  }
-
   if(reuse) {
     /*
      * We already have a connection for this, we got the former connection