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1ebd92d0fd
Adds a "meta_hash" to each easy handle for keeping special data during operations. All meta data set needs to add its destructor callback, so that meta data gets destroyed properly when the easy handle is cleaned up or reset. Add data->master_mid for "sub" transfers that belong to a "master" easy handle. When a "sub" transfer is done, the corresponding "master" can add a callback to be invoked. Used in DoH name resolution. DoH: use easy meta hash to add internal structs for DoH name resolution. One in each in each probe easy handle. When probes are done, response data is copied from the probe to the initiating easy. This allows DoH using transfers and their probes to be cleaned up in any sequence correctly. Fold DoH cleanup into the Curl_async_shutdown() and Curl_async_destroy() functions. Closes #16384
110 lines
4.4 KiB
C
110 lines
4.4 KiB
C
#ifndef HEADER_CURL_URL_H
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#define HEADER_CURL_URL_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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/*
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* Prototypes for library-wide functions provided by url.c
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*/
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CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn);
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CURLcode Curl_open(struct Curl_easy **curl);
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CURLcode Curl_init_userdefined(struct Curl_easy *data);
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void Curl_freeset(struct Curl_easy *data);
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CURLcode Curl_uc_to_curlcode(CURLUcode uc);
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CURLcode Curl_close(struct Curl_easy **datap); /* opposite of curl_open() */
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CURLcode Curl_connect(struct Curl_easy *, bool *async, bool *protocol_connect);
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CURLcode Curl_setup_conn(struct Curl_easy *data,
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bool *protocol_done);
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void Curl_conn_free(struct Curl_easy *data, struct connectdata *conn);
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CURLcode Curl_parse_login_details(const char *login, const size_t len,
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char **userptr, char **passwdptr,
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char **optionsptr);
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/* Attach/Clear/Get meta data for an easy handle. Needs to provide
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* a destructor, will be automatically called when the easy handle
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* is reset or closed. */
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typedef void Curl_meta_dtor(void *key, size_t key_len, void *meta_data);
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/* Set the transfer meta data for the key. Any existing entry for that
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* key will be destroyed.
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* Takes ownership of `meta_data` and destroys it when the call fails. */
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CURLcode Curl_meta_set(struct Curl_easy *data, const char *key,
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void *meta_data, Curl_meta_dtor *meta_dtor);
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void Curl_meta_clear(struct Curl_easy *data, const char *key);
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void *Curl_meta_get(struct Curl_easy *data, const char *key);
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void Curl_meta_reset(struct Curl_easy *data);
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/* Get protocol handler for a URI scheme
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* @param scheme URI scheme, case-insensitive
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* @return NULL of handler not found
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*/
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const struct Curl_handler *Curl_get_scheme_handler(const char *scheme);
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const struct Curl_handler *Curl_getn_scheme_handler(const char *scheme,
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size_t len);
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#define CURL_DEFAULT_PROXY_PORT 1080 /* default proxy port unless specified */
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#define CURL_DEFAULT_HTTPS_PROXY_PORT 443 /* default https proxy port unless
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specified */
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#ifdef CURL_DISABLE_VERBOSE_STRINGS
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#define Curl_verboseconnect(x,y,z) Curl_nop_stmt
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#else
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void Curl_verboseconnect(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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#endif
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/**
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* Return TRUE iff the given connection is considered dead.
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* @param nowp NULL or pointer to time being checked against.
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*/
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bool Curl_conn_seems_dead(struct connectdata *conn,
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struct Curl_easy *data,
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struct curltime *nowp);
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/**
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* Perform upkeep operations on the connection.
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*/
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CURLcode Curl_conn_upkeep(struct Curl_easy *data,
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struct connectdata *conn,
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struct curltime *now);
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#if defined(USE_HTTP2) || defined(USE_HTTP3)
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void Curl_data_priority_clear_state(struct Curl_easy *data);
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#else
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#define Curl_data_priority_clear_state(x)
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#endif /* !(defined(USE_HTTP2) || defined(USE_HTTP3)) */
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#ifdef USE_NGHTTP2
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CURLcode Curl_data_priority_add_child(struct Curl_easy *parent,
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struct Curl_easy *child,
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bool exclusive);
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#else
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#define Curl_data_priority_add_child(x, y, z) CURLE_NOT_BUILT_IN
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#endif
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#endif /* HEADER_CURL_URL_H */
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