You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@qpid.apache.org by GitBox <gi...@apache.org> on 2020/09/21 15:44:21 UTC

[GitHub] [qpid-dispatch] ganeshmurthy commented on a change in pull request #847: DISPATCH-1751: Rework how AMQP session incoming-window is derived

ganeshmurthy commented on a change in pull request #847:
URL: https://github.com/apache/qpid-dispatch/pull/847#discussion_r492163426



##########
File path: src/connection_manager.c
##########
@@ -438,25 +438,37 @@ static qd_error_t load_server_config(qd_dispatch_t *qd, qd_server_config_t *conf
         config->max_frame_size = QD_AMQP_MIN_MAX_FRAME_SIZE;
 
     //
-    // Given session frame count and max frame size compute session incoming_capacity
+    // Given session frame count and max frame size, compute session incoming_capacity
+    //   On 64-bit systems the capacity has no limit.
+    //   On 32-bit systems the largest capacity is AMQP_MAX_WINDWOW_SIZE.
     //
-    if (ssn_frames == 0)
-        config->incoming_capacity = (sizeof(size_t) < 8) ? 0x7FFFFFFFLL : 0x7FFFFFFFLL * config->max_frame_size;
-    else {
-        uint64_t mfs      = (uint64_t) config->max_frame_size;
-        uint64_t trial_ic = ssn_frames * mfs;
-        uint64_t limit    = (sizeof(size_t) < 8) ? (1ll << 31) - 1 : 0;
-        if (limit == 0 || trial_ic < limit) {
-            // Silently promote incoming capacity of zero to one
-            config->incoming_capacity = 
-                (trial_ic < QD_AMQP_MIN_MAX_FRAME_SIZE ? QD_AMQP_MIN_MAX_FRAME_SIZE : trial_ic);
+    if (ssn_frames == 0) {

Review comment:
       Can we remove this empty if (ssn_frames == 0) check and instead just say if (ssn_frames != 0)




----------------------------------------------------------------
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



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