otter_srv

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-module(otter_srv_sup).
-behaviour(supervisor).

-export([start_link/0]).
-export([init/1]).

-define(SERVER, ?MODULE).

start_link() ->
    supervisor:start_link({local, ?SERVER}, ?MODULE, []).

init([]) ->
    {ok, { {one_for_all, 0, 1}, [cowboy_spec()]} }.


cowboy_spec() ->
    Dispatch = cowboy_router:compile([
        {'_', [
            {"/[...]", otter_srv_zipkin_handler, []}
        ]}
    ]),
    ListenPort = otter_srv_config:read(server_zipkin_port, 9411),
    ranch:child_spec(
        otter_srv_zipkin,
        100,
        ranch_tcp,
        [
            {port, ListenPort},
            {max_connections, 100},
            {backlog, 1024}
        ],
        cowboy_protocol,
        [{env, [{dispatch, Dispatch}]}]
    ).