mirror of
https://gitlab.freedesktop.org/wayland/weston
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4bc7bd73d7
This adds three new helpers: one to iterate over all debug scopes created/added and other two are for simpler getters for the scope name and the description. Included with this change is also a simple test to retrieve them. This is an alternative to using the debug scope list advertised when using the weston-debug private extension. libweston users can use this directly to know which scopes they can subscribe to, and there's no need to have a client implementation for the weston-debug protocol. Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
154 lines
4.4 KiB
C
154 lines
4.4 KiB
C
/*
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* Copyright © 2017 Pekka Paalanen <pq@iki.fi>
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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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#ifndef WESTON_LOG_H
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#define WESTON_LOG_H
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct weston_compositor;
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struct weston_log_context;
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struct wl_display;
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struct weston_log_subscriber;
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struct weston_log_subscription;
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void
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weston_compositor_enable_debug_protocol(struct weston_compositor *);
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bool
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weston_compositor_is_debug_protocol_enabled(struct weston_compositor *);
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struct weston_log_scope;
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struct weston_debug_stream;
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/** weston_log_scope callback
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*
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* @param sub The subscription.
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* @param user_data The \c user_data argument given to
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* weston_log_ctx_add_log_scope() or weston_compositor_add_log_scope().
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*
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* @memberof weston_log_scope
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*/
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typedef void (*weston_log_scope_cb)(struct weston_log_subscription *sub,
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void *user_data);
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struct weston_log_scope *
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weston_log_ctx_add_log_scope(struct weston_log_context *log_ctx,
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const char *name,
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const char *description,
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weston_log_scope_cb new_subscription,
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weston_log_scope_cb destroy_subscription,
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void *user_data);
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struct weston_log_scope *
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weston_compositor_add_log_scope(struct weston_compositor *compositor,
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const char *name,
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const char *description,
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weston_log_scope_cb new_subscription,
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weston_log_scope_cb destroy_subscription,
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void *user_data);
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void
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weston_log_scope_destroy(struct weston_log_scope *scope);
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bool
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weston_log_scope_is_enabled(struct weston_log_scope *scope);
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void
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weston_log_scope_write(struct weston_log_scope *scope,
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const char *data, size_t len);
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int
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weston_log_scope_vprintf(struct weston_log_scope *scope,
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const char *fmt, va_list ap);
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int
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weston_log_scope_printf(struct weston_log_scope *scope,
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const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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void
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weston_log_subscription_printf(struct weston_log_subscription *sub,
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const char *fmt, ...)
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__attribute__ ((format (printf, 2, 3)));
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void
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weston_log_scope_complete(struct weston_log_scope *scope);
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void
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weston_log_subscription_complete(struct weston_log_subscription *sub);
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char *
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weston_log_scope_timestamp(struct weston_log_scope *scope,
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char *buf, size_t len);
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char *
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weston_log_timestamp(char *buf, size_t len, int *cached_tm_mday);
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void
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weston_log_subscriber_destroy(struct weston_log_subscriber *subscriber);
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void
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weston_log_subscribe(struct weston_log_context *log_ctx,
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struct weston_log_subscriber *subscriber,
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const char *scope_name);
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struct weston_log_subscriber *
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weston_log_subscriber_create_log(FILE *dump_to);
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struct weston_log_subscriber *
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weston_log_subscriber_create_flight_rec(size_t size);
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void
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weston_log_subscriber_display_flight_rec(struct weston_log_subscriber *sub);
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struct weston_log_subscription *
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weston_log_subscription_iterate(struct weston_log_scope *scope,
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struct weston_log_subscription *sub_iter);
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void
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weston_log_flight_recorder_display_buffer(FILE *file);
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const char *
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weston_log_scope_get_description(struct weston_log_scope *scope);
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const char *
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weston_log_scope_get_name(struct weston_log_scope *scope);
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struct weston_log_scope *
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weston_log_scopes_iterate(struct weston_log_context *log_ctx,
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struct weston_log_scope *nscope);
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#ifdef __cplusplus
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}
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#endif
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#endif /* WESTON_LOG_H */
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