X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Ftrace-chunk.h;h=9bb4f3708319ea03f46a47532da772315f5f73d3;hp=202a20ae2ebca328b39a859c492dd48a106137cc;hb=7966af5763c4aaca39df9bbfa9277ff15715c720;hpb=343defc2671db532be8a9eed84907fd2e4044f0e diff --git a/src/common/trace-chunk.h b/src/common/trace-chunk.h index 202a20ae2..9bb4f3708 100644 --- a/src/common/trace-chunk.h +++ b/src/common/trace-chunk.h @@ -1,29 +1,24 @@ /* - * Copyright (C) 2019 - Jérémie Galarneau + * Copyright (C) 2019 Jérémie Galarneau * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License, version 2.1 only, - * as published by the Free Software Foundation. + * SPDX-License-Identifier: LGPL-2.1-only * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License - * for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef LTTNG_TRACE_CHUNK_H #define LTTNG_TRACE_CHUNK_H -#include -#include #include +#include +#include +#include +#include #include #include -#include + +#ifdef __cplusplus +extern "C" { +#endif /* * A trace chunk is a group of directories and files forming a (or a set of) @@ -61,9 +56,10 @@ */ struct lttng_trace_chunk; +struct fd_tracker; enum lttng_trace_chunk_status { - LTTNG_TRACE_CHUNK_STATUS_OK, + LTTNG_TRACE_CHUNK_STATUS_OK, LTTNG_TRACE_CHUNK_STATUS_NONE, LTTNG_TRACE_CHUNK_STATUS_INVALID_ARGUMENT, LTTNG_TRACE_CHUNK_STATUS_INVALID_OPERATION, @@ -78,110 +74,120 @@ enum lttng_trace_chunk_command_type { LTTNG_TRACE_CHUNK_COMMAND_TYPE_MAX, }; -LTTNG_HIDDEN struct lttng_trace_chunk *lttng_trace_chunk_create_anonymous(void); -LTTNG_HIDDEN struct lttng_trace_chunk *lttng_trace_chunk_create( uint64_t chunk_id, - time_t chunk_creation_time); + time_t chunk_creation_time, + const char *path); + +void lttng_trace_chunk_set_fd_tracker(struct lttng_trace_chunk *chunk, + struct fd_tracker *fd_tracker); /* * Copy a trace chunk. The copy that is returned is always a _user_ * mode chunk even if the source chunk was an _owner_ as there can never be * two _owners_ of the same trace output. */ -LTTNG_HIDDEN struct lttng_trace_chunk *lttng_trace_chunk_copy( struct lttng_trace_chunk *source_chunk); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_get_id( struct lttng_trace_chunk *chunk, uint64_t *id); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_get_creation_timestamp( struct lttng_trace_chunk *chunk, time_t *creation_ts); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_get_close_timestamp( struct lttng_trace_chunk *chunk, time_t *close_ts); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_close_timestamp( struct lttng_trace_chunk *chunk, time_t close_ts); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_get_name( struct lttng_trace_chunk *chunk, const char **name, bool *name_overridden); -LTTNG_HIDDEN +bool lttng_trace_chunk_get_name_overridden(struct lttng_trace_chunk *chunk); + enum lttng_trace_chunk_status lttng_trace_chunk_override_name( struct lttng_trace_chunk *chunk, const char *name); -LTTNG_HIDDEN +enum lttng_trace_chunk_status lttng_trace_chunk_rename_path( + struct lttng_trace_chunk *chunk, const char *path); + enum lttng_trace_chunk_status lttng_trace_chunk_get_credentials( struct lttng_trace_chunk *chunk, struct lttng_credentials *credentials); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_credentials( struct lttng_trace_chunk *chunk, const struct lttng_credentials *credentials); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_credentials_current_user( struct lttng_trace_chunk *chunk); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_as_owner( struct lttng_trace_chunk *chunk, struct lttng_directory_handle *session_output_directory); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_as_user( struct lttng_trace_chunk *chunk, struct lttng_directory_handle *chunk_directory); -LTTNG_HIDDEN +enum lttng_trace_chunk_status +lttng_trace_chunk_get_session_output_directory_handle( + struct lttng_trace_chunk *chunk, + struct lttng_directory_handle **handle); + enum lttng_trace_chunk_status lttng_trace_chunk_borrow_chunk_directory_handle( struct lttng_trace_chunk *chunk, const struct lttng_directory_handle **handle); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_create_subdirectory( struct lttng_trace_chunk *chunk, const char *subdirectory_path); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_open_file( - struct lttng_trace_chunk *chunk, const char *filename, - int flags, mode_t mode, int *out_fd, bool expect_no_file); + struct lttng_trace_chunk *chunk, + const char *filename, + int flags, + mode_t mode, + int *out_fd, + bool expect_no_file); + +enum lttng_trace_chunk_status lttng_trace_chunk_open_fs_handle( + struct lttng_trace_chunk *chunk, + const char *filename, + int flags, + mode_t mode, + struct fs_handle **out_handle, + bool expect_no_file); -LTTNG_HIDDEN int lttng_trace_chunk_unlink_file(struct lttng_trace_chunk *chunk, const char *filename); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_get_close_command( struct lttng_trace_chunk *chunk, enum lttng_trace_chunk_command_type *command_type); -LTTNG_HIDDEN enum lttng_trace_chunk_status lttng_trace_chunk_set_close_command( struct lttng_trace_chunk *chunk, enum lttng_trace_chunk_command_type command_type); -LTTNG_HIDDEN const char *lttng_trace_chunk_command_type_get_name( enum lttng_trace_chunk_command_type command); +bool lttng_trace_chunk_ids_equal(const struct lttng_trace_chunk *chunk_a, + const struct lttng_trace_chunk *chunk_b); + /* Returns true on success. */ -LTTNG_HIDDEN bool lttng_trace_chunk_get(struct lttng_trace_chunk *chunk); -LTTNG_HIDDEN void lttng_trace_chunk_put(struct lttng_trace_chunk *chunk); +#ifdef __cplusplus +} +#endif + #endif /* LTTNG_TRACE_CHUNK_H */