X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Findex%2Findex.h;h=7020936b646b33142f3d2021d5f540bac08f29dd;hb=a3461e94de72e04fd6040c0fad5fb6d3615a2de4;hp=58f2ac70add96ac8eb5be5195bff1773683c8a2c;hpb=309167d2a6f59d0c8cbf64eb23ba912cdea76a34;p=lttng-tools.git diff --git a/src/common/index/index.h b/src/common/index/index.h index 58f2ac70a..7020936b6 100644 --- a/src/common/index/index.h +++ b/src/common/index/index.h @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 - Julien Desfossez * David Goulet + * 2016 - Mathieu Desnoyers * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License, version 2 only, as @@ -20,11 +21,34 @@ #define _INDEX_H #include +#include -#include "lttng-index.h" +#include "ctf-index.h" -int index_create_file(char *path_name, char *stream_name, int uid, int gid, - uint64_t size, uint64_t count); -int index_write(int fd, struct lttng_packet_index *index, size_t len); +struct lttng_index_file { + int fd; + uint32_t major; + uint32_t minor; + uint32_t element_len; + struct urcu_ref ref; +}; + +/* + * create and open have refcount of 1. Use put to decrement the + * refcount. Destroys when reaching 0. Use "get" to increment refcount. + */ +struct lttng_index_file *lttng_index_file_create(char *path_name, + char *stream_name, int uid, int gid, uint64_t size, + uint64_t count, uint32_t major, uint32_t minor); +struct lttng_index_file *lttng_index_file_open(const char *path_name, + const char *channel_name, uint64_t tracefile_count, + uint64_t tracefile_count_current); +int lttng_index_file_write(const struct lttng_index_file *index_file, + const struct ctf_packet_index *element); +int lttng_index_file_read(const struct lttng_index_file *index_file, + struct ctf_packet_index *element); + +void lttng_index_file_get(struct lttng_index_file *index_file); +void lttng_index_file_put(struct lttng_index_file *index_file); #endif /* _INDEX_H */