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{ Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
}
{$ifdef B_SFIO}
#include "sfio.h"
{$endif}
//#include <stdarg.h>
const
{ Reading is buffered }
B_RD = (1);
{ Writing is buffered }
B_WR = (2);
B_RDWR = (3);
{ At end of file, or closed stream; no further input allowed }
B_EOF = (4);
{ No further output possible }
B_EOUT = (8);
{ A read error has occurred }
B_RDERR =(16);
{ A write error has occurred }
B_WRERR =(32);
//#ifdef B_ERROR { in SVR4: sometimes defined in /usr/include/sys/buf.h }
//#undef B_ERROR
//#endif
B_ERROR =(48);
{ Use chunked writing }
B_CHUNK =(64);
{ bflush() if a read would block }
B_SAFEREAD =(128);
{ buffer is a socket }
B_SOCKET =(256);
{$ifdef CHARSET_EBCDIC}
B_ASCII2EBCDIC = $40000000; { Enable conversion for this buffer }
B_EBCDIC2ASCII = $80000000; { Enable conversion for this buffer }
{$endif} {CHARSET_EBCDIC}
type
Pbuff_struct = ^buff_struct;
PBUFF = Pbuff_struct;
PPBUFF = ^PBUFF;
error_t = procedure (fb: PBUFF; op: cint; data: Pointer);
filter_callback_t = procedure (param1: PBUFF; const param2: Pointer; param3: cint);
buff_struct = record
flags: cint; { flags }
inptr: PChar; { pointer to next location to read }
incnt: cint; { number of bytes left to read from input buffer;
* always 0 if had a read error }
outchunk: cint; { location of chunk header when chunking }
outcnt: cint; { number of byte put in output buffer }
inbase: PChar;
outbase: PChar;
bufsiz: cint;
error: error_t;
error_data: PChar;
bytes_sent: clong; { number of bytes actually written }
pool: Pap_pool;
{ could also put pointers to the basic I/O routines here }
fd: cint; { the file descriptor }
fd_in: cint; { input file descriptor, if different }
{$ifdef WINDOWS}
hFH: HANDLE; { Windows filehandle }
{$endif}
{ transport handle, for RPC binding handle or some such }
t_handle: PChar;
{$ifdef B_SFIO}
sf_in: PSfio_t;
sf_out: PSfio_t;
{$endif}
callback_data: Pointer;
filter_callback: filter_callback_t;
end;
{$ifdef B_SFIO}
apache_sfio = record
disc: Sfdisc_t;
buff: PBUFF;
end;
extern Sfdisc_t *bsfio_new(pool *p, BUFF *b);
{$endif}
{ Options to bset/getopt }
const
BO_BYTECT = (1);
{ Stream creation and modification }
function ap_bcreate(p: PPool; flags: cint): PBUFF;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
procedure ap_bpushfd(fb: PBUFF; fd_in, fd_out: cint);
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{$ifdef WINDOWS}
procedure ap_bpushh(fb: PBUFF; hFH: HANDLE);
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{$endif}
function ap_bsetopt(fb: PBUFF; optname: cint; const optval: Pointer): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
function ap_bgetopt(fb: PBUFF; optname: cint; optval: Pointer): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
function ap_bsetflag(fb: PBUFF; flag, value: cint): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
function ap_bclose(fb: PBUFF): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
//#define ap_bgetflag(fb, flag) ((fb)->flags & (flag))
{ Error handling }
procedure ap_bonerror(fb: PBUFF; error: error_t; data: Pointer);
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{ I/O }
function ap_bread(fb: PBUFF; buf: Pointer; nbyte: cint): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{API_EXPORT(int) ap_bgets(char *s, int n, BUFF *fb);
API_EXPORT(int) ap_blookc(char *buff, BUFF *fb);
API_EXPORT(int) ap_bskiplf(BUFF *fb);
API_EXPORT(int) ap_bwrite(BUFF *fb, const void *buf, int nbyte);
API_EXPORT(int) ap_bflush(BUFF *fb);
API_EXPORT(int) ap_bputs(const char *x, BUFF *fb);
API_EXPORT_NONSTD(int) ap_bvputs(BUFF *fb,...);
API_EXPORT_NONSTD(int) ap_bprintf(BUFF *fb, const char *fmt,...)
__attribute__((format(printf,2,3)));
API_EXPORT(int) ap_vbprintf(BUFF *fb, const char *fmt, va_list vlist);
}
{ Internal routines }
{API_EXPORT(int) ap_bflsbuf(int c, BUFF *fb);
API_EXPORT(int) ap_bfilbuf(BUFF *fb);
#ifndef CHARSET_EBCDIC
#define ap_bgetc(fb) ( ((fb)->incnt == 0) ? ap_bfilbuf(fb) : \
((fb)->incnt--, *((fb)->inptr++)) )
#define ap_bputc(c, fb) ((((fb)->flags & (B_EOUT|B_WRERR|B_WR)) != B_WR || \
(fb)->outcnt == (fb)->bufsiz) ? ap_bflsbuf(c, (fb)) : \
((fb)->outbase[(fb)->outcnt++] = (c), 0))
#else} {CHARSET_EBCDIC}
{
#define ap_bgetc(fb) ( ((fb)->incnt == 0) ? ap_bfilbuf(fb) : \
((fb)->incnt--, (fb->flags & B_ASCII2EBCDIC)\
?os_toebcdic[(unsigned char)*((fb)->inptr++)]:*((fb)->inptr++)) )
#define ap_bputc(c, fb) ((((fb)->flags & (B_EOUT|B_WRERR|B_WR)) != B_WR || \
(fb)->outcnt == (fb)->bufsiz) ? ap_bflsbuf(c, (fb)) : \
((fb)->outbase[(fb)->outcnt++] = (fb->flags & B_EBCDIC2ASCII)\
?os_toascii[(unsigned char)c]:(c), 0))
#endif} {CHARSET_EBCDIC}
type
child_info = record
{$ifdef WINDOWS}
{
* These handles are used by ap_call_exec to call
* create process with pipe handles.
}
hPipeInputRead: HANDLE;
hPipeOutputWrite: HANDLE;
hPipeErrorWrite: HANDLE;
{$else}
{
* We need to put a dummy member in here to avoid compilation
* errors under certain Unix compilers, like SGI's and HPUX's,
* which fail to compile a zero-sized struct. Of course
* it would be much nicer if there was actually a use for this
* structure under Unix. Aah the joys of x-platform code.
}
dummy: cint;
{$endif}
end;
Pchild_info = ^child_info;
func_t = function (param1: Pointer; param2: Pchild_info): cint;
function ap_bspawn_child(p: PPool;
func: func_t; data: Pointer; kill_how: kill_conditions; pipe_in, pipe_out, pipe_err: PPBUFF): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{ enable non-blocking operations }
function ap_bnonblock(fb: PBUFF; direction: cint): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{ and get an fd to select() on }
function ap_bfileno(fb: PBUFF; direction: cint): cint;
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{ bflush() if a read now would block, but don't actually read anything }
procedure ap_bhalfduplex(fb: PBUFF);
{$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF} external LibHTTPD;
{$if defined(WINDOWS) or defined(NETWARE) or defined(CYGWIN_WINSOCK)}
{ ap_recvwithtimeout/ap_sendwithtimeout socket primitives for WinSock }
//API_EXPORT(int) ap_sendwithtimeout(int sock, const char *buf, int len, int flags);
//API_EXPORT(int) ap_recvwithtimeout(int sock, char *buf, int len, int flags);
{$endif}
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