File 2046-esock-test-Add-simple-test-case-for-ioctl-... of Package erlang

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File 2046-esock-test-Add-simple-test-case-for-ioctl-request-gi.patch of Package erlang (Revision 2acc9ef00b7ed8ebf6555724dee420d9)

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From ba965d50ea9492ce963ec1123b6f7d23165732ef Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Thu, 11 Nov 2021 18:05:11 +0100
Subject: [PATCH 46/58] [esock|test] Add (simple) test case for ioctl request
 'gifmtu'

OTP-17528
---
 lib/kernel/test/socket_SUITE.erl | 63 +++++++++++++++++++++++++++++++-
 1 file changed, 62 insertions(+), 1 deletion(-)

diff --git a/lib/kernel/test/socket_SUITE.erl b/lib/kernel/test/socket_SUITE.erl
index b1ef54dedf..54b66a618f 100644
--- a/lib/kernel/test/socket_SUITE.erl
+++ b/lib/kernel/test/socket_SUITE.erl
@@ -306,6 +306,7 @@
          ioctl_get_gifdstaddr/1,
          ioctl_get_gifbrdaddr/1,
          ioctl_get_gifnetmask/1,
+         ioctl_get_gifmtu/1,
          %% ioctl_set_requests/1,
 
          %% *** Traffic ***
@@ -1244,7 +1245,8 @@ ioctl_get_cases() ->
      ioctl_get_gifaddr,
      ioctl_get_gifdstaddr,
      ioctl_get_gifbrdaddr,
-     ioctl_get_gifnetmask
+     ioctl_get_gifnetmask,
+     ioctl_get_gifmtu
     ].
 
 
@@ -35304,6 +35306,62 @@ do_ioctl_get_gifnetmask(_State) ->
 
 
 
+%% --- gifmtu ---
+
+ioctl_get_gifmtu(suite) ->
+    [];
+ioctl_get_gifmtu(doc) ->
+    [];
+ioctl_get_gifmtu(_Config) when is_list(_Config) ->
+    ?TT(?SECS(5)),
+    tc_try(?FUNCTION_NAME,
+           fun() ->
+                   has_support_net_if_names(),
+                   has_support_ioctl_gifmtu()
+           end,
+           fun() ->
+                   InitState = #{},
+                   ok = do_ioctl_get_gifmtu(InitState)
+           end).
+
+
+do_ioctl_get_gifmtu(_State) ->
+    i("create dummy stream:TCP socket"),
+    {ok, Sock} = socket:open(inet, stream, tcp),
+
+    i("get if names"),
+    {ok, IfNames} = net:if_names(),
+
+    i("try ioctl all if indexes: "
+      "~n      ~p", [IfNames]),
+    %% This a *very* simple test...
+    %% ...just to check that we actually get an socket address
+    _ = [case socket:ioctl(Sock, gifmtu, IfName) of
+             {ok, MTU} when is_integer(MTU) ->
+                 i("got (expected) MTU for interface ~p (~w): "
+                   "~n      ~p", [IfName, IfIdx, MTU]),
+                 ok;
+             {ok, Crap} ->
+                 %% Oups?!
+                 i("<ERROR> got unexpected result for interface ~p (~w)"
+                   "~n      ~p", [IfName, IfIdx, Crap]),
+                 socket:close(Sock),
+                 ?FAIL({unexpected_mtu, IfName, IfIdx, Crap});
+             {error, Reason} ->
+                 i("<ERROR> got unexpected error for interface ~p (~w)"
+                   "~n      Reason: ~p", [IfName, IfIdx, Reason]),
+                 socket:close(Sock),
+                 ?FAIL({unexpected_failure, IfName, IfIdx, Reason})
+         end || {IfIdx, IfName} <- IfNames],
+
+    i("close dummy stream:TCP socket"),
+    ok = socket:close(Sock),
+
+    i("done"),
+    ok.
+
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% This test case is intended to (simply) test that the counters
 %% for both read and write.
@@ -49269,6 +49327,9 @@ has_support_ioctl_gifbrdaddr() ->
 has_support_ioctl_gifnetmask() ->
     has_support_ioctl_request(gifnetmask).
 
+has_support_ioctl_gifmtu() ->
+    has_support_ioctl_request(gifmtu).
+
 has_support_ioctl_request(Req) when is_atom(Req) ->
     try socket:is_supported(ioctl_requests, Req) of
         true ->
-- 
2.31.1

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File 2046-esock-test-Add-simple-test-case-for-ioctl-request-gi.patch of Package erlang (Revision 2acc9ef00b7ed8ebf6555724dee420d9)

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