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%%
%% %CopyrightBegin%
%%
%% SPDX-License-Identifier: Apache-2.0
%%
%% Copyright Ericsson AB 2005-2025. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%% Description: Example ssh server
-module(ssh_bench_dev_null).
-behaviour(ssh_server_channel).
-record(state, {
cm,
chid,
n,
sum = 0
}).
-export([init/1, handle_msg/2, handle_ssh_msg/2, terminate/2]).
init([N]) -> {ok, #state{n=N}}.
handle_msg({ssh_channel_up, ChId, CM}, S) ->
{ok, S#state{cm = CM,
chid = ChId}}.
handle_ssh_msg({ssh_cm, CM, {data,ChId,0,Data}}, #state{n=N, sum=Sum0, cm=CM, chid=ChId} = S) ->
Sum = Sum0 + size(Data),
if Sum == N ->
%% Got all
ssh_connection:send(CM, ChId, <<"READY">>),
{ok, S#state{sum=Sum}};
Sum < N ->
%% Expects more
{ok, S#state{sum=Sum}}
end;
handle_ssh_msg({ssh_cm, _, {exit_signal,ChId,_,_,_}}, S) -> {stop, ChId, S};
handle_ssh_msg({ssh_cm, _, {exit_status,ChId,_} }, S) -> {stop, ChId, S};
handle_ssh_msg({ssh_cm, _, _ }, S) -> {ok, S}.
terminate(_, _) -> ok.
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