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101 lines
2.8 KiB
101 lines
2.8 KiB
6 years ago
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/*
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* Copyright © 2019 Collabora Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <libweston/weston-log.h>
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#include "helpers.h"
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#include <libweston/libweston.h>
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#include "weston-log-internal.h"
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#include <stdio.h>
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/** File type of stream
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*/
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struct weston_debug_log_file {
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struct weston_log_subscriber base;
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FILE *file;
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};
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static struct weston_debug_log_file *
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to_weston_debug_log_file(struct weston_log_subscriber *sub)
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{
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return container_of(sub, struct weston_debug_log_file, base);
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}
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static void
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weston_log_file_write(struct weston_log_subscriber *sub,
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const char *data, size_t len)
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{
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struct weston_debug_log_file *stream = to_weston_debug_log_file(sub);
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fwrite(data, len, 1, stream->file);
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}
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/** Creates a file type of subscriber
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*
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* Should be destroyed using weston_log_subscriber_destroy_log()
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*
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* @param dump_to if specified, used for writing data to
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* @returns a weston_log_subscriber object or NULL in case of failure
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*
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* @sa weston_log_subscriber_destroy_log
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*
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*/
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WL_EXPORT struct weston_log_subscriber *
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weston_log_subscriber_create_log(FILE *dump_to)
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{
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struct weston_debug_log_file *file = zalloc(sizeof(*file));
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if (!file)
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return NULL;
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if (dump_to)
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file->file = dump_to;
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else
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file->file = stderr;
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file->base.write = weston_log_file_write;
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file->base.destroy = NULL;
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file->base.complete = NULL;
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wl_list_init(&file->base.subscription_list);
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return &file->base;
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}
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/** Destroy the subscriber created with weston_log_subscriber_create_log
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*
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* @param subscriber the weston_log_subscriber object to destroy
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*
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*/
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WL_EXPORT void
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weston_log_subscriber_destroy_log(struct weston_log_subscriber *subscriber)
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{
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struct weston_debug_log_file *file = to_weston_debug_log_file(subscriber);
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free(file);
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}
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