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-rw-r--r--lib/kernel/test/gen_sctp_SUITE.erl53
1 files changed, 50 insertions, 3 deletions
diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl
index f422ffe442..9d12c629de 100644
--- a/lib/kernel/test/gen_sctp_SUITE.erl
+++ b/lib/kernel/test/gen_sctp_SUITE.erl
@@ -31,14 +31,14 @@
[basic/1,
api_open_close/1,api_listen/1,api_connect_init/1,api_opts/1,
xfer_min/1,xfer_active/1,def_sndrcvinfo/1,implicit_inet6/1,
- basic_stream/1, xfer_stream_min/1, peeloff/1]).
+ basic_stream/1, xfer_stream_min/1, peeloff/1, buffers/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[basic, api_open_close, api_listen, api_connect_init,
api_opts, xfer_min, xfer_active, def_sndrcvinfo, implicit_inet6,
- basic_stream, xfer_stream_min, peeloff].
+ basic_stream, xfer_stream_min, peeloff, buffers].
groups() ->
[].
@@ -826,6 +826,49 @@ peeloff(Config) when is_list(Config) ->
ok(socket_stop(S3)),
ok.
+
+
+buffers(doc) ->
+ ["Check sndbuf and recbuf behaviour"];
+buffers(suite) ->
+ [];
+buffers(Config) when is_list(Config) ->
+ ?line Limit = 8192,
+ ?line Data = mk_data(Limit),
+ ?line Addr = {127,0,0,1},
+ ?line Stream = 1,
+ ?line Timeout = 333,
+ ?line S1 = socket_start(Addr, Timeout),
+ ?line P1 = socket_call(S1, port),
+ ?line ok = socket_call(S1, {listen,true}),
+ ?line S2 = socket_start(Addr, Timeout),
+ ?line P2 = socket_call(S2, port),
+ %%
+ ?line H_a = socket_req(S1, recv_assoc),
+ ?line {S2Ai,Sa,Sb} = socket_call(S2, {connect,Addr,P1,[]}),
+ ?line {S1Ai,Sb,Sa,Addr,P2} = socket_resp(H_a),
+ %%
+ ?line ok = socket_call(S1, {setopts,[{recbuf,Limit}]}),
+ ?line case socket_call(S1, {getopts,[recbuf]}) of
+ {ok,[{recbuf,RB1}]} when RB1 >= Limit -> ok
+ end,
+ ?line H_b = socket_req(S1, recv),
+ ?line ok = socket_call(S2, {send,S2Ai,Stream,Data}),
+ ?line {Addr,P2,S1Ai,Stream,Data} = socket_resp(H_b),
+ %%
+ ?line ok = socket_stop(S1),
+ ?line {Addr,P1,[],#sctp_shutdown_event{assoc_id=S2Ai}} =
+ ok(socket_stop(S2)),
+ ok.
+
+mk_data(Words) ->
+ mk_data(0, Words, <<>>).
+%%
+mk_data(Words, Words, Bin) ->
+ Bin;
+mk_data(N, Words, Bin) ->
+ mk_data(N+1, Words, <<Bin/binary,N:32>>).
+
%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% socket gen_server ultra light
@@ -937,7 +980,11 @@ socket_handler(Socket, Timeout) ->
{Addr,Port,
[#sctp_sndrcvinfo{stream=Stream,assoc_id=AssocId}],Data} =
ok(gen_sctp:recv(S, infinity)),
- {Addr,Port,AssocId,Stream,Data}
+ {Addr,Port,AssocId,Stream,Data};
+ ({setopts,Opts}) ->
+ inet:setopts(Socket, Opts);
+ ({getopts,Optnames}) ->
+ inet:getopts(Socket, Optnames)
end.
socket_stop(Handler) ->