qpid-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] [qpid-dispatch] ganeshmurthy commented on a change in pull request #693: DISPATCH-1579: open dedicated inter-router sessions for data and control links
Date Mon, 09 Mar 2020 15:56:07 GMT
ganeshmurthy commented on a change in pull request #693: DISPATCH-1579: open dedicated inter-router
sessions for data and control links
URL: https://github.com/apache/qpid-dispatch/pull/693#discussion_r389785735
 
 

 ##########
 File path: src/router_node.c
 ##########
 @@ -786,18 +786,47 @@ static int AMQP_link_attach_handler(void* context, qd_link_t *link)
 
 
 /**
- * Handler for flow events on links
+ * Handler for flow events on links.  Flow updates include session window
+ * state, which needs to be checked for unblocking Q3.
  */
 static int AMQP_link_flow_handler(void* context, qd_link_t *link)
 {
-    qd_router_t *router = (qd_router_t*) context;
-    qdr_link_t  *rlink  = (qdr_link_t*) qd_link_get_context(link);
-    pn_link_t   *pnlink = qd_link_pn(link);
-
-    if (!rlink)
-        return 0;
+    qd_router_t *router  = (qd_router_t*) context;
+    pn_link_t   *pnlink  = qd_link_pn(link);
+    pn_session_t *pn_ssn = pn_link_session(pnlink);
+
+    bool link_flowed = false;
+    if (pn_ssn) {
+        qd_session_t *qd_ssn = pn_session_get_context(pn_ssn);
+        if (qd_ssn && qd_session_is_q3_blocked(qd_ssn)) {
+            // Q3 blocked - have we drained enough outgoing bytes?
+            const size_t q3_lower = BUFFER_SIZE * QD_QLIMIT_Q3_LOWER;
 
 Review comment:
   Can we please #define this q3_lower somewhere globally so we don't have to calculate it
every time

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@qpid.apache.org
For additional commands, e-mail: dev-help@qpid.apache.org


Mime
View raw message