111 lines
4.5 KiB
C
111 lines
4.5 KiB
C
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#ifndef HEADER_CURL_SENDF_H
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#define HEADER_CURL_SENDF_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include "curl_trc.h"
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/**
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* Type of data that is being written to the client (application)
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* - data written can be either BODY or META data
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* - META data is either INFO or HEADER
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* - INFO is meta information, e.g. not BODY, that cannot be interpreted
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* as headers of a response. Example FTP/IMAP pingpong answers.
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* - HEADER can have additional bits set (more than one)
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* - STATUS special "header", e.g. response status line in HTTP
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* - CONNECT header was received during proxying the connection
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* - 1XX header is part of an intermediate response, e.g. HTTP 1xx code
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* - TRAILER header is trailing response data, e.g. HTTP trailers
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* BODY, INFO and HEADER should not be mixed, as this would lead to
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* confusion on how to interpret/format/convert the data.
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*/
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#define CLIENTWRITE_BODY (1<<0) /* non-meta information, BODY */
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#define CLIENTWRITE_INFO (1<<1) /* meta information, not a HEADER */
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#define CLIENTWRITE_HEADER (1<<2) /* meta information, HEADER */
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#define CLIENTWRITE_STATUS (1<<3) /* a special status HEADER */
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#define CLIENTWRITE_CONNECT (1<<4) /* a CONNECT related HEADER */
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#define CLIENTWRITE_1XX (1<<5) /* a 1xx response related HEADER */
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#define CLIENTWRITE_TRAILER (1<<6) /* a trailer HEADER */
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CURLcode Curl_client_write(struct Curl_easy *data, int type, char *ptr,
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size_t len) WARN_UNUSED_RESULT;
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CURLcode Curl_client_unpause(struct Curl_easy *data);
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void Curl_client_cleanup(struct Curl_easy *data);
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struct contenc_writer {
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const struct content_encoding *handler; /* Encoding handler. */
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struct contenc_writer *downstream; /* Downstream writer. */
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unsigned int order; /* Ordering within writer stack. */
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};
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/* Content encoding writer. */
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struct content_encoding {
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const char *name; /* Encoding name. */
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const char *alias; /* Encoding name alias. */
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CURLcode (*init_writer)(struct Curl_easy *data,
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struct contenc_writer *writer);
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CURLcode (*unencode_write)(struct Curl_easy *data,
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struct contenc_writer *writer,
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const char *buf, size_t nbytes);
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void (*close_writer)(struct Curl_easy *data,
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struct contenc_writer *writer);
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size_t writersize;
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};
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CURLcode Curl_client_create_writer(struct contenc_writer **pwriter,
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struct Curl_easy *data,
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const struct content_encoding *ce_handler,
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int order);
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void Curl_client_free_writer(struct Curl_easy *data,
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struct contenc_writer *writer);
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CURLcode Curl_client_add_writer(struct Curl_easy *data,
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struct contenc_writer *writer);
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/* internal read-function, does plain socket, SSL and krb4 */
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CURLcode Curl_read(struct Curl_easy *data, curl_socket_t sockfd,
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char *buf, size_t buffersize,
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ssize_t *n);
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/* internal write-function, does plain socket, SSL, SCP, SFTP and krb4 */
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CURLcode Curl_write(struct Curl_easy *data,
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curl_socket_t sockfd,
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const void *mem, size_t len,
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ssize_t *written);
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/* internal write-function, using sockindex for connection destination */
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CURLcode Curl_nwrite(struct Curl_easy *data,
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int sockindex,
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const void *buf,
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size_t blen,
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ssize_t *pnwritten);
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#endif /* HEADER_CURL_SENDF_H */
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