X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Findex%2Findex.h;h=469a870abe18312e84c1340d79d17e1317ef1dce;hp=4ffc526598e11d6b65b1b00516d63d0cd2065866;hb=d295668767ac8234e83984e1812d342d03293d88;hpb=6cd525e813795a1d5e38feac8dedf2c73ffb1274 diff --git a/src/common/index/index.h b/src/common/index/index.h index 4ffc52659..469a870ab 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 +21,41 @@ #define _INDEX_H #include +#include -#include "lttng-index.h" +#include +#include "ctf-index.h" -int index_create_file(char *path_name, char *stream_name, int uid, int gid, - uint64_t size, uint64_t count); -ssize_t 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(const 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_create_from_trace_chunk( + struct lttng_trace_chunk *chunk, + const char *channel_path, char *stream_name, + uint64_t stream_file_size, uint64_t stream_count, + uint32_t index_major, uint32_t index_minor, + bool unlink_existing_file); +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 */