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libwebsockets/lib/roles/cgi/private.h

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
*
* 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:
* version 2.1 of the License.
*
* 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
*
* This is included from core/private.h if LWS_ROLE_WS
*/
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#if defined(LWS_WITH_ZLIB)
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#if defined(LWS_WITH_MINIZ)
#include <miniz.h>
#else
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#include <zlib.h>
#endif
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#endif
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extern struct lws_role_ops role_ops_cgi;
#define lwsi_role_cgi(wsi) (wsi->role_ops == &role_ops_cgi)
#define LWS_HTTP_CHUNK_HDR_SIZE 16
enum {
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SIGNIFICANT_HDR_CONTENT_LENGTH, /* numeric */
SIGNIFICANT_HDR_LOCATION,
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SIGNIFICANT_HDR_STATUS, /* numeric */
SIGNIFICANT_HDR_TRANSFER_ENCODING,
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SIGNIFICANT_HDR_CONTENT_ENCODING_GZIP,
SIGNIFICANT_HDR_COUNT
};
struct lws;
/* wsi who is master of the cgi points to an lws_cgi */
struct lws_cgi {
struct lws_cgi *cgi_list;
struct lws *stdwsi[3]; /* points to the associated stdin/out/err wsis */
struct lws *wsi; /* owner */
unsigned char *headers_buf;
unsigned char *headers_start;
unsigned char *headers_pos;
unsigned char *headers_dumped;
unsigned char *headers_end;
char summary[128];
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#if defined(LWS_WITH_ZLIB)
z_stream inflate;
uint8_t inflate_buf[1024];
#endif
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lws_filepos_t post_in_expected;
lws_filepos_t content_length;
lws_filepos_t content_length_seen;
int pipe_fds[3][2];
int match[SIGNIFICANT_HDR_COUNT];
char l[12];
int pid;
int response_code;
int lp;
unsigned char being_closed:1;
unsigned char explicitly_chunked:1;
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unsigned char cgi_transaction_over:1;
unsigned char implied_chunked:1;
unsigned char gzip_inflate:1;
unsigned char gzip_init:1;
unsigned char chunked_grace;
};