i vibe coded itHEADmaster

1 files changed, 151 insertions, 0 deletions

diff --git a/server/_build/default/lib/ranch/src/ranch_transport.erl b/server/_build/default/lib/ranch/src/ranch_transport.erl
new file mode 100644
index 0000000..486c6d6
--- /dev/null
+++ b/server/_build/default/lib/ranch/src/ranch_transport.erl
@@ -0,0 +1,151 @@
+%% Copyright (c) 2012-2018, Loïc Hoguin <essen@ninenines.eu>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(ranch_transport).
+
+-export([sendfile/6]).
+
+-type socket() :: any().
+-export_type([socket/0]).
+
+-type opts() :: any().
+-type stats() :: any().
+-type sendfile_opts() :: [{chunk_size, non_neg_integer()}].
+-export_type([sendfile_opts/0]).
+
+-callback name() -> atom().
+-callback secure() -> boolean().
+-callback messages() -> {OK::atom(), Closed::atom(), Error::atom()}.
+-callback listen(opts()) -> {ok, socket()} | {error, atom()}.
+-callback accept(socket(), timeout())
+	-> {ok, socket()} | {error, closed | timeout | atom()}.
+-callback handshake(socket(), opts(), timeout()) -> {ok, socket()} | {error, any()}.
+-callback connect(string(), inet:port_number(), opts())
+	-> {ok, socket()} | {error, atom()}.
+-callback connect(string(), inet:port_number(), opts(), timeout())
+	-> {ok, socket()} | {error, atom()}.
+-callback recv(socket(), non_neg_integer(), timeout())
+	-> {ok, any()} | {error, closed | timeout | atom()}.
+-callback recv_proxy_header(socket(), timeout())
+	-> {ok, ranch_proxy_header:proxy_info()}
+	| {error, closed | atom()}
+	| {error, protocol_error, atom()}.
+-callback send(socket(), iodata()) -> ok | {error, atom()}.
+-callback sendfile(socket(), file:name_all() | file:fd())
+	-> {ok, non_neg_integer()} | {error, atom()}.
+-callback sendfile(socket(), file:name_all() | file:fd(), non_neg_integer(),
+		non_neg_integer()) -> {ok, non_neg_integer()} | {error, atom()}.
+-callback sendfile(socket(), file:name_all() | file:fd(), non_neg_integer(),
+		non_neg_integer(), sendfile_opts())
+	-> {ok, non_neg_integer()} | {error, atom()}.
+-callback setopts(socket(), opts()) -> ok | {error, atom()}.
+-callback getopts(socket(), [atom()]) -> {ok, opts()} | {error, atom()}.
+-callback getstat(socket()) -> {ok, stats()} | {error, atom()}.
+-callback getstat(socket(), [atom()]) -> {ok, stats()} | {error, atom()}.
+-callback controlling_process(socket(), pid())
+	-> ok | {error, closed | not_owner | atom()}.
+-callback peername(socket())
+	-> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
+-callback sockname(socket())
+	-> {ok, {inet:ip_address(), inet:port_number()}} | {error, atom()}.
+-callback shutdown(socket(), read | write | read_write)
+	-> ok | {error, atom()}.
+-callback close(socket()) -> ok.
+
+%% A fallback for transports that don't have a native sendfile implementation.
+%% Note that the ordering of arguments is different from file:sendfile/5 and
+%% that this function accepts either a raw file or a file name.
+-spec sendfile(module(), socket(), file:name_all() | file:fd(),
+		non_neg_integer(), non_neg_integer(), sendfile_opts())
+	-> {ok, non_neg_integer()} | {error, atom()}.
+sendfile(Transport, Socket, Filename, Offset, Bytes, Opts)
+		when is_list(Filename) orelse is_atom(Filename)
+		orelse is_binary(Filename) ->
+	ChunkSize = chunk_size(Opts),
+	case file:open(Filename, [read, raw, binary]) of
+		{ok, RawFile} ->
+			_ = case Offset of
+				0 ->
+					ok;
+				_ ->
+					{ok, _} = file:position(RawFile, {bof, Offset})
+			end,
+			try
+				sendfile_loop(Transport, Socket, RawFile, Bytes, 0, ChunkSize)
+			after
+				ok = file:close(RawFile)
+			end;
+		{error, _Reason} = Error ->
+			Error
+	end;
+sendfile(Transport, Socket, RawFile, Offset, Bytes, Opts) ->
+	ChunkSize = chunk_size(Opts),
+	Initial2 = case file:position(RawFile, {cur, 0}) of
+		{ok, Offset} ->
+			Offset;
+		{ok, Initial} ->
+			{ok, _} = file:position(RawFile, {bof, Offset}),
+			Initial
+		end,
+	case sendfile_loop(Transport, Socket, RawFile, Bytes, 0, ChunkSize) of
+		{ok, _Sent} = Result ->
+			{ok, _} = file:position(RawFile, {bof, Initial2}),
+			Result;
+		{error, _Reason} = Error ->
+			Error
+	end.
+
+-spec chunk_size(sendfile_opts()) -> pos_integer().
+chunk_size(Opts) ->
+	case lists:keyfind(chunk_size, 1, Opts) of
+		{chunk_size, ChunkSize}
+				when is_integer(ChunkSize) andalso ChunkSize > 0 ->
+			ChunkSize;
+		{chunk_size, 0} ->
+			16#1FFF;
+		false ->
+			16#1FFF
+	end.
+
+-spec sendfile_loop(module(), socket(), file:fd(), non_neg_integer(),
+		non_neg_integer(), pos_integer())
+	-> {ok, non_neg_integer()} | {error, any()}.
+sendfile_loop(_Transport, _Socket, _RawFile, Sent, Sent, _ChunkSize)
+		when Sent =/= 0 ->
+	%% All requested data has been read and sent, return number of bytes sent.
+	{ok, Sent};
+sendfile_loop(Transport, Socket, RawFile, Bytes, Sent, ChunkSize) ->
+	ReadSize = read_size(Bytes, Sent, ChunkSize),
+	case file:read(RawFile, ReadSize) of
+		{ok, IoData} ->
+			case Transport:send(Socket, IoData) of
+				ok ->
+					Sent2 = iolist_size(IoData) + Sent,
+					sendfile_loop(Transport, Socket, RawFile, Bytes, Sent2,
+						ChunkSize);
+				{error, _Reason} = Error ->
+					Error
+			end;
+		eof ->
+			{ok, Sent};
+		{error, _Reason} = Error ->
+			Error
+	end.
+
+-spec read_size(non_neg_integer(), non_neg_integer(), non_neg_integer()) ->
+	non_neg_integer().
+read_size(0, _Sent, ChunkSize) ->
+	ChunkSize;
+read_size(Bytes, Sent, ChunkSize) ->
+	min(Bytes - Sent, ChunkSize).