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Diffstat (limited to 'lib/diameter/examples/code/node.erl')
| -rw-r--r-- | lib/diameter/examples/code/node.erl | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/lib/diameter/examples/code/node.erl b/lib/diameter/examples/code/node.erl deleted file mode 100644 index 77810bf893..0000000000 --- a/lib/diameter/examples/code/node.erl +++ /dev/null @@ -1,202 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2010-2018. 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% -%% - -%% -%% A library module used by the example Diameter nodes. Does little -%% more than provide an alternate/simplified transport configuration. -%% - --module(node). - --export([start/2, - listen/2, - connect/2, - stop/1]). - --export([message/3]). - --type protocol() - :: tcp | sctp. - --type ip_address() - :: default - | inet:ip_address(). - --type server_transport() - :: protocol() - | {protocol(), ip_address(), non_neg_integer()}. - --type server_opts() - :: server_transport() - | {server_transport(), [diameter:transport_opt()]} - | [diameter:transport_opt()]. - --type client_transport() - :: protocol() | any - | {protocol() | any, ip_address(), non_neg_integer()} - | {protocol() | any, ip_address(), ip_address(), non_neg_integer()}. - --type client_opts() - :: client_transport() - | {client_transport(), [diameter:transport_opt()]} - | [diameter:transport_opt()]. - -%% The server_transport() and client_transport() config is just -%% convenience: arbitrary options can be specifed as a -%% [diameter:transport_opt()]. - --define(DEFAULT_PORT, 3868). - -%% --------------------------------------------------------------------------- -%% Interface functions -%% --------------------------------------------------------------------------- - -%% start/2 - --spec start(diameter:service_name(), [diameter:service_opt()]) - -> ok - | {error, term()}. - -start(Name, Opts) - when is_atom(Name), is_list(Opts) -> - diameter:start_service(Name, Opts). - -%% connect/2 - --spec connect(diameter:service_name(), client_opts()) - -> {ok, diameter:transport_ref()} - | {error, term()}. - -connect(Name, Opts) - when is_list(Opts) -> - diameter:add_transport(Name, {connect, Opts}); - -connect(Name, {T, Opts}) -> - connect(Name, Opts ++ client_opts(T)); - -connect(Name, T) -> - connect(Name, [{connect_timer, 5000} | client_opts(T)]). - -%% listen/2 - --spec listen(diameter:service_name(), server_opts()) - -> {ok, diameter:transport_ref()} - | {error, term()}. - -listen(Name, Opts) - when is_list(Opts) -> - diameter:add_transport(Name, {listen, Opts}); - -listen(Name, {T, Opts}) -> - listen(Name, Opts ++ server_opts(T)); - -listen(Name, T) -> - listen(Name, server_opts(T)). - -%% stop/1 - --spec stop(diameter:service_name()) - -> ok - | {error, term()}. - -stop(Name) -> - diameter:stop_service(Name). - -%% --------------------------------------------------------------------------- -%% Internal functions -%% --------------------------------------------------------------------------- - -%% server_opts/1 -%% -%% Return transport options for a listening transport. - -server_opts({T, Addr, Port}) -> - [{transport_module, tmod(T)}, - {transport_config, [{reuseaddr, true}, - {sender, true}, - {message_cb, [fun ?MODULE:message/3, 0]}, - {ip, addr(Addr)}, - {port, Port}]}]; - -server_opts(T) -> - server_opts({T, loopback, ?DEFAULT_PORT}). - -%% client_opts/1 -%% -%% Return transport options for a connecting transport. - -client_opts({T, LA, RA, RP}) - when T == all; %% backwards compatibility - T == any -> - [[S, {C,Os}], T] = [client_opts({P, LA, RA, RP}) || P <- [sctp,tcp]], - [S, {C,Os,2000} | T]; - -client_opts({T, LA, RA, RP}) -> - [{transport_module, tmod(T)}, - {transport_config, [{raddr, addr(RA)}, - {rport, RP}, - {reuseaddr, true} - | ip(LA)]}]; - -client_opts({T, RA, RP}) -> - client_opts({T, default, RA, RP}); - -client_opts(T) -> - client_opts({T, loopback, loopback, ?DEFAULT_PORT}). - -%% --------------------------------------------------------------------------- - -tmod(tcp) -> diameter_tcp; -tmod(sctp) -> diameter_sctp. - -ip(default) -> - []; -ip(loopback) -> - [{ip, {127,0,0,1}}]; -ip(Addr) -> - [{ip, Addr}]. - -addr(loopback) -> - {127,0,0,1}; -addr(A) -> - A. - -%% --------------------------------------------------------------------------- - -%% message/3 -%% -%% Simple message callback that limits the number of concurrent -%% requests on the peer connection in question. - -%% Incoming request. -message(recv, <<_:32, 1:1, _/bits>> = Bin, N) -> - [Bin, N < 32, fun ?MODULE:message/3, N+1]; - -%% Outgoing request. -message(ack, <<_:32, 1:1, _/bits>>, _) -> - []; - -%% Incoming answer or request discarded. -message(ack, _, N) -> - [N =< 32, fun ?MODULE:message/3, N-1]; - -%% Outgoing message or incoming answer. -message(_, Bin, _) -> - [Bin]. |