With the logging infrastructure in place this patch add a new user: file type of stream backed-up by a std file descriptor. Signed-off-by: Marius Vlad <marius.vlad@collabora.com>dev
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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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