(*
This file is part of libmicrohttpd
Copyright (C) 2007, 2013 Christian Grothoff (and other contributing authors)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(**
* @file benchmark.pp (Original: benchmark.c)
* @brief minimal code to benchmark MHD GET performance
* @author Christian Grothoff / Silvio Clécio
*)
program benchmark;
{$mode objfpc}{$H+}
{$MACRO ON}
{$IF DEFINED(CPU_COUNT) and (CPU_COUNT + 0) < 2}
{$UNDEF CPU_COUNT}
{$ENDIF}
{$IF NOT DEFINED(CPU_COUNT)}
{$DEFINE CPU_COUNT := 2}
{$ENDIF}
uses
{$IFDEF MSWINDOWS}
WinSock2,
{$ELSE}
BaseUnix, Unix,
{$ENDIF}
cmem, sysutils, cutils, libmicrohttpd;
const
PAGE: Pcchar = '<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>';
SMALL = 1024 * 128;
NUMBER_OF_THREADS = CPU_COUNT;
var
small_deltas: array[0..SMALL] of cuint;
response: PMHD_Response;
procedure completed_callback(cls: Pointer; connection: PMHD_Connection;
con_cls: PPointer; toe: MHD_RequestTerminationCode); cdecl;
var
tv: ptimeval;
tve: timeval;
delta: cuint64;
begin
tv := con_cls^;
if nil = tv then
Exit;
fpgettimeofday(@tve, nil);
delta := 0;
if tve.tv_usec >= tv^.tv_usec then
delta += (tve.tv_sec - tv^.tv_sec) * 1000000 +
(tve.tv_usec - tv^.tv_usec)
else
delta += (tve.tv_sec - tv^.tv_sec) * 1000000 -
tv^.tv_usec + tve.tv_usec;
if delta < SMALL then
Inc(small_deltas[delta])
else
WriteLn(stdout, Format('D: %u 1', [delta]));
Free(tv);
end;
function uri_logger_cb(cls: Pointer; uri: Pcchar): Pointer; cdecl;
var
tv: ptimeval;
begin
tv := Malloc(SizeOf(timeval));
if nil <> tv then
fpgettimeofday(tv, nil);
Result := tv;
end;
function ahc_echo(cls: Pointer; connection: PMHD_Connection; url: Pcchar;
method: Pcchar; version: Pcchar; upload_data: Pcchar;
upload_data_size: Psize_t; ptr: PPointer): cint; cdecl;
begin
if 0 <> strcomp(method, 'GET') then
Exit(MHD_NO);
Result := MHD_queue_response(connection, MHD_HTTP_OK, response);
end;
var
d: PMHD_Daemon;
i: cuint;
begin
if argc <> 2 then
begin
WriteLn(argv[0] + ' PORT');
Halt(1);
end;
response := MHD_create_response_from_buffer(Length(PAGE), Pointer(PAGE),
MHD_RESPMEM_PERSISTENT);
{$IF 0}
MHD_add_response_header (response, MHD_HTTP_HEADER_CONNECTION, 'close');
{$ENDIF}
d := MHD_start_daemon(MHD_USE_SELECT_INTERNALLY or MHD_SUPPRESS_DATE_NO_CLOCK
{$IFDEF EPOLL_SUPPORT}
or MHD_USE_EPOLL_LINUX_ONLY or MHD_USE_EPOLL_TURBO
{$ENDIF},
StrToInt(argv[1]), nil, nil, @ahc_echo, nil,
MHD_OPTION_CONNECTION_TIMEOUT, 120,
MHD_OPTION_THREAD_POOL_SIZE, NUMBER_OF_THREADS,
MHD_OPTION_URI_LOG_CALLBACK, @uri_logger_cb, nil,
MHD_OPTION_NOTIFY_COMPLETED, @completed_callback, nil,
MHD_OPTION_CONNECTION_LIMIT, 1000,
MHD_OPTION_END);
if d = nil then
Halt(1);
ReadLn;
MHD_stop_daemon(d);
MHD_destroy_response(response);
for i := 0 to SMALL do
if 0 <> small_deltas[i] then
WriteLn(stdout, Format('D: %d %u', [i, small_deltas[i]]));
end.
