diff options
Diffstat (limited to 'lib/diameter/src/transport')
| -rw-r--r-- | lib/diameter/src/transport/diameter_sctp.erl | 42 |
1 files changed, 4 insertions, 38 deletions
diff --git a/lib/diameter/src/transport/diameter_sctp.erl b/lib/diameter/src/transport/diameter_sctp.erl index 41f5ea7ce8..0fe25106cc 100644 --- a/lib/diameter/src/transport/diameter_sctp.erl +++ b/lib/diameter/src/transport/diameter_sctp.erl @@ -121,8 +121,7 @@ %% queue or spawned and placed in the first queue. Thus, there are %% only elements in one queue at a time, so share an ets table queue %% and tag it with a positive length if it contains the first queue, a -%% negative length if it contains the second queue. The case -1 is -%% handled differently for backwards compatibility reasons. +%% negative length if it contains the second queue. %% --------------------------------------------------------------------------- %% # start/3 @@ -369,17 +368,13 @@ type(T) -> %% # handle_call/3 %% --------------------------------------------------------------------------- -handle_call(T, From, #listener{pending = L} = S) - when is_list(L) -> - handle_call(T, From, upgrade(S)); - handle_call({{accept, Ref}, Pid}, _, #listener{ref = Ref, pending = {N,Q}, count = K} = S) -> TPid = accept(Ref, Pid, S), - {reply, {ok, TPid}, downgrade(S#listener{pending = {N-1,Q}, - count = K+1})}; + {reply, {ok, TPid}, S#listener{pending = {N-1,Q}, + count = K+1}}; handle_call(_, _, State) -> {reply, nok, State}. @@ -398,18 +393,9 @@ handle_cast(_, State) -> handle_info(T, #transport{} = S) -> {noreply, #transport{} = t(T,S)}; -handle_info(T, #listener{pending = L} = S) - when is_list(L) -> - handle_info(T, upgrade(S)); - handle_info(T, #listener{} = S) -> - {noreply, downgrade(#listener{} = l(T,S))}. - -%% upgrade/1 + {noreply, #listener{} = l(T,S)}. -upgrade(#listener{pending = [TPid | {0,Q}]} = S) -> - ets:insert(Q, {TPid, now()}), - S#listener{pending = {-1,Q}}. %% Prior to the possiblity of setting pool_size on in transport %% configuration, a new accepting transport was only started following %% the death of a predecessor, so that there was only at most one @@ -418,26 +404,6 @@ upgrade(#listener{pending = [TPid | {0,Q}]} = S) -> %% several accepting transports are started concurrently. Deal with %% this by placing the started transports in a new queue of transport %% processes waiting for an association. -%% -%% Since only one of this queue and the existing queue of controlling -%% processes waiting for a transport to be started can be non-empty at -%% any given time, implement both queues in the same ets table. The -%% absolute value of the first element of the 2-tuple is the queue -%% length, the sign says which queue it is. - -%% downgrade/1 -%% -%% Revert to the pre-pool_size representation when possible, for -%% backwards compatibility in the case that the pool_size option -%% hasn't been used. - -downgrade(#listener{pending = {-1,Q}} = S) -> - TPid = ets:first(Q), - ets:delete(Q, TPid), - S#listener{pending = [TPid | {0,Q}]}; - -downgrade(S) -> - S. %% --------------------------------------------------------------------------- %% # code_change/3 |