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357808f4ad
Add infrastructure to colled and dispatch notifications for transfers and the multi handle in general. Applications can register a callback and en-/disable notification type the are interested in. Without a callback installed, notifications are not collected. Same when a notification type has not been enabled. Memory allocation failures on adding notifications lead to a general multi failure state and result in CURLM_OUT_OF_MEMORY returned from curl_multi_perform() and curl_multi_socket*() invocations. Closes #18432
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
#ifndef HEADER_CURL_MULTI_NTFY_H
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#define HEADER_CURL_MULTI_NTFY_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 "uint-bset.h"
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struct Curl_easy;
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struct Curl_multi;
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struct curl_multi_ntfy {
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curl_notify_callback ntfy_cb;
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void *ntfy_cb_data;
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struct uint_bset enabled;
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CURLMcode failure;
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struct mntfy_chunk *head;
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struct mntfy_chunk *tail;
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};
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void Curl_mntfy_init(struct Curl_multi *multi);
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CURLMcode Curl_mntfy_resize(struct Curl_multi *multi);
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void Curl_mntfy_cleanup(struct Curl_multi *multi);
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CURLMcode Curl_mntfy_enable(struct Curl_multi *multi, unsigned int type);
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CURLMcode Curl_mntfy_disable(struct Curl_multi *multi, unsigned int type);
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void Curl_mntfy_add(struct Curl_easy *data, unsigned int type);
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#define CURLM_NTFY(d,t) \
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do { if((d) && (d)->multi && (d)->multi->ntfy.ntfy_cb) \
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Curl_mntfy_add((d), (t)); } while(0)
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CURLMcode Curl_mntfy_dispatch_all(struct Curl_multi *multi);
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#endif /* HEADER_CURL_MULTI_NTFY_H */
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