123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081 |
- (*
- This file is part of libmicrohttpd
- Copyright (C) 2007, 2008 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 minimal_example.pp (original: minimal_example.c)
- * @brief minimal example for how to generate an infinite stream with libmicrohttpd
- * @author Christian Grothoff / Silvio Clécio / Gilson Nunes
- *)
- program minimal_example_comet;
- {$mode objfpc}{$H+}
- uses
- sysutils, cutils, libmicrohttpd;
- function data_generator(cls: Pointer; pos: cuint64; buf: Pcchar;
- max: size_t): ssize_t; cdecl;
- begin
- if max < 80 then
- Exit(0);
- memset(buf, Ord('A'), max - 1);
- buf[79] := #10;
- Exit(80);
- 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;
- const
- aptr: cint = 0;
- var
- response: PMHD_Response;
- ret: cint;
- begin
- if 0 <> strcomp(method, 'GET') then
- Exit(MHD_NO);
- if @aptr <> ptr^ then
- begin
- ptr^ := @aptr;
- Exit(MHD_YES);
- end;
- ptr^ := nil;
- response := MHD_create_response_from_callback(UInt64(MHD_SIZE_UNKNOWN), 80,
- @data_generator, nil, nil);
- ret := MHD_queue_response(connection, MHD_HTTP_OK, response);
- MHD_destroy_response(response);
- Result := ret;
- end;
- var
- d: PMHD_Daemon;
- begin
- if argc <> 2 then
- begin
- WriteLn(argv[0], ' PORT');
- Halt(1);
- end;
- d := MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION or MHD_USE_DEBUG,
- StrToInt(argv[1]), nil, nil, @ahc_echo, nil, MHD_OPTION_END);
- if d = nil then
- Halt(1);
- ReadLn;
- MHD_stop_daemon(d);
- end.
|