Packages
glisten
1.0.0
9.0.1
9.0.0
9.0.0-rc1
8.0.3
8.0.2
8.0.1
8.0.0
8.0.0-rc1
7.0.1
7.0.0
6.0.0
5.0.0
4.0.0
3.0.0
2.0.0
1.0.0
0.11.0
0.10.2
0.10.1
0.10.0
0.9.3
0.9.2
0.9.1
0.9.0
0.8.2
0.8.1
0.8.0
0.7.0
0.6.9
0.6.8
0.6.7
0.6.6
0.6.5
0.6.4
0.6.3
0.6.2
0.6.1
0.6.0
0.5.1
0.5.0
0.4.0
0.3.2
0.3.1
0.3.0
0.2.2
0.2.1
0.2.0
0.1.3
0.1.2
0.1.1
0.1.0
a shiny Gleam TCP/TLS server
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Files
src/glisten.erl
-module(glisten).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).
-export([send/2, handler/2, with_close/2, with_pool_size/2, serve/2, serve_ssl/4]).
-export_type([start_error/0, message/1, connection/1, handler/2]).
-type start_error() :: listener_closed |
listener_timeout |
acceptor_timeout |
{acceptor_failed, gleam@erlang@process:exit_reason()} |
{acceptor_crashed, gleam@dynamic:dynamic_()} |
{system_error, glisten@socket:socket_reason()}.
-type message(HUG) :: {packet, bitstring()} | {user, HUG}.
-type connection(HUH) :: {connection,
{ok, {{integer(), integer(), integer(), integer()}, integer()}} |
{error, nil},
glisten@socket:socket(),
glisten@transport:transport(),
gleam@erlang@process:subject(glisten@internal@handler:message(HUH))}.
-opaque handler(HUI, HUJ) :: {handler,
fun(() -> {HUJ, gleam@option:option(gleam@erlang@process:selector(HUI))}),
fun((message(HUI), HUJ, connection(HUI)) -> gleam@otp@actor:next(message(HUI), HUJ)),
gleam@option:option(fun((HUJ) -> nil)),
integer()}.
-spec send(connection(any()), gleam@bytes_builder:bytes_builder()) -> {ok, nil} |
{error, glisten@socket:socket_reason()}.
send(Conn, Msg) ->
glisten@transport:send(
erlang:element(4, Conn),
erlang:element(3, Conn),
Msg
).
-spec handler(
fun(() -> {HVG, gleam@option:option(gleam@erlang@process:selector(HVH))}),
fun((message(HVH), HVG, connection(HVH)) -> gleam@otp@actor:next(message(HVH), HVG))
) -> handler(HVH, HVG).
handler(On_init, Loop) ->
{handler, On_init, Loop, none, 10}.
-spec map_user_selector(gleam@erlang@process:selector(message(HUV))) -> gleam@erlang@process:selector(glisten@internal@handler:loop_message(HUV)).
map_user_selector(Selector) ->
gleam_erlang_ffi:map_selector(Selector, fun(Value) -> case Value of
{packet, Msg} ->
{packet, Msg};
{user, Msg@1} ->
{custom, Msg@1}
end end).
-spec convert_loop(
fun((message(HVA), HVB, connection(HVA)) -> gleam@otp@actor:next(message(HVA), HVB))
) -> fun((glisten@internal@handler:loop_message(HVA), HVB, glisten@internal@handler:connection(HVA)) -> gleam@otp@actor:next(glisten@internal@handler:loop_message(HVA), HVB)).
convert_loop(Loop) ->
fun(Msg, Data, Conn) ->
Conn@1 = {connection,
erlang:element(2, Conn),
erlang:element(3, Conn),
erlang:element(4, Conn),
erlang:element(5, Conn)},
case Msg of
{packet, Msg@1} ->
case Loop({packet, Msg@1}, Data, Conn@1) of
{continue, Data@1, Selector} ->
{continue,
Data@1,
gleam@option:map(Selector, fun map_user_selector/1)};
{stop, Reason} ->
{stop, Reason}
end;
{custom, Msg@2} ->
case Loop({user, Msg@2}, Data, Conn@1) of
{continue, Data@2, Selector@1} ->
{continue,
Data@2,
gleam@option:map(
Selector@1,
fun map_user_selector/1
)};
{stop, Reason@1} ->
{stop, Reason@1}
end
end
end.
-spec with_close(handler(HVO, HVP), fun((HVP) -> nil)) -> handler(HVO, HVP).
with_close(Handler, On_close) ->
erlang:setelement(4, Handler, {some, On_close}).
-spec with_pool_size(handler(HVU, HVV), integer()) -> handler(HVU, HVV).
with_pool_size(Handler, Size) ->
erlang:setelement(5, Handler, Size).
-spec serve(handler(any(), any()), integer()) -> {ok,
gleam@erlang@process:subject(gleam@otp@supervisor:message())} |
{error, start_error()}.
serve(Handler, Port) ->
_pipe = Port,
_pipe@1 = glisten@tcp:listen(_pipe, []),
_pipe@2 = gleam@result:map_error(_pipe@1, fun(Err) -> case Err of
closed ->
listener_closed;
timeout ->
listener_timeout;
Err@1 ->
{system_error, Err@1}
end end),
gleam@result:then(
_pipe@2,
fun(Socket) ->
_pipe@3 = {pool,
Socket,
convert_loop(erlang:element(3, Handler)),
erlang:element(5, Handler),
erlang:element(2, Handler),
erlang:element(4, Handler),
tcp},
_pipe@4 = glisten@internal@acceptor:start_pool(_pipe@3),
gleam@result:map_error(_pipe@4, fun(Err@2) -> case Err@2 of
init_timeout ->
acceptor_timeout;
{init_failed, Reason} ->
{acceptor_failed, Reason};
{init_crashed, Reason@1} ->
{acceptor_crashed, Reason@1}
end end)
end
).
-spec serve_ssl(handler(any(), any()), integer(), binary(), binary()) -> {ok,
gleam@erlang@process:subject(gleam@otp@supervisor:message())} |
{error, start_error()}.
serve_ssl(Handler, Port, Certfile, Keyfile) ->
_assert_subject = glisten_ssl_ffi:start_ssl(),
{ok, _} = case _assert_subject of
{ok, _} -> _assert_subject;
_assert_fail ->
erlang:error(#{gleam_error => let_assert,
message => <<"Assertion pattern match failed"/utf8>>,
value => _assert_fail,
module => <<"glisten"/utf8>>,
function => <<"serve_ssl"/utf8>>,
line => 187})
end,
_pipe = Port,
_pipe@1 = glisten@ssl:listen(
_pipe,
[{certfile, Certfile}, {keyfile, Keyfile}]
),
_pipe@2 = gleam@result:map_error(_pipe@1, fun(Err) -> case Err of
closed ->
listener_closed;
timeout ->
listener_timeout;
Err@1 ->
{system_error, Err@1}
end end),
gleam@result:then(
_pipe@2,
fun(Socket) ->
_pipe@3 = {pool,
Socket,
convert_loop(erlang:element(3, Handler)),
erlang:element(5, Handler),
erlang:element(2, Handler),
erlang:element(4, Handler),
ssl},
_pipe@4 = glisten@internal@acceptor:start_pool(_pipe@3),
gleam@result:map_error(_pipe@4, fun(Err@2) -> case Err@2 of
init_timeout ->
acceptor_timeout;
{init_failed, Reason} ->
{acceptor_failed, Reason};
{init_crashed, Reason@1} ->
{acceptor_crashed, Reason@1}
end end)
end
).