[trafficserver] branch 9.0.x updated: Fix a bug that current_active_client_connections doesn't decrease

[zw...@apache.org]

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zwoop pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/9.0.x by this push:
     new 32eec91  Fix a bug that current_active_client_connections doesn't decrease
32eec91 is described below

commit 32eec91bb38450612140047f18a113d48e18f0fe
Author: Masakazu Kitajo <ma...@apache.org>
AuthorDate: Fri May 1 16:43:47 2020 +0900

    Fix a bug that current_active_client_connections doesn't decrease
    
    The metric was not decremented when a connection is closed by graceful
    shutdown (GOAWAY frame with stream ID 2^31-1).
    
    (cherry picked from commit 81f750ec3988f7a862ac5b66846530aa9f02d363)
---
 proxy/http2/Http2ConnectionState.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/proxy/http2/Http2ConnectionState.cc b/proxy/http2/Http2ConnectionState.cc
index 5386e5a..e8d59a7 100644
--- a/proxy/http2/Http2ConnectionState.cc
+++ b/proxy/http2/Http2ConnectionState.cc
@@ -1406,6 +1406,7 @@ Http2ConnectionState::release_stream()
         // or we can use a local variable to do it.
         // ua_session = nullptr;
       } else if (shutdown_state == HTTP2_SHUTDOWN_IN_PROGRESS && fini_event == nullptr) {
+        ua_session->clear_session_active();
         fini_event = this_ethread()->schedule_imm_local((Continuation *)this, HTTP2_SESSION_EVENT_FINI);
       } else if (ua_session->is_active()) {
         // If the number of clients is 0, HTTP2_SESSION_EVENT_FINI is not received or sent, and ua_session is active,