X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Findex%2Findex.c;h=f7e4e9054258a1febfacb8b161386e4942c7124d;hp=694e3d18698dd3dfe142bc9e199026a9a8f6c9b4;hb=348a81dcf7b6944b10a813d93dcaf86fdb5194f6;hpb=d295668767ac8234e83984e1812d342d03293d88 diff --git a/src/common/index/index.c b/src/common/index/index.c index 694e3d186..f7e4e9054 100644 --- a/src/common/index/index.c +++ b/src/common/index/index.c @@ -31,91 +31,6 @@ #include "index.h" -/* - * Create the index file associated with a trace file. - * - * Return allocated struct lttng_index_file, NULL on error. - */ -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 *index_file; - int ret, fd = -1; - ssize_t size_ret; - struct ctf_packet_index_file_hdr hdr; - char fullpath[PATH_MAX]; - uint32_t element_len = ctf_packet_index_len(major, minor); - - index_file = zmalloc(sizeof(*index_file)); - if (!index_file) { - PERROR("allocating lttng_index_file"); - goto error; - } - - ret = snprintf(fullpath, sizeof(fullpath), "%s/" DEFAULT_INDEX_DIR, - path_name); - if (ret < 0) { - PERROR("snprintf index path"); - goto error; - } - - /* Create index directory if necessary. */ - ret = utils_mkdir(fullpath, S_IRWXU | S_IRWXG, uid, gid); - if (ret < 0) { - if (errno != EEXIST) { - PERROR("Index trace directory creation error"); - goto error; - } - } - - /* - * For tracefile rotation. We need to unlink the old - * file if present to synchronize with the tail of the - * live viewer which could be working on this same file. - * By doing so, any reference to the old index file - * stays valid even if we re-create a new file with the - * same name afterwards. - */ - ret = utils_unlink_stream_file(fullpath, stream_name, size, count, uid, - gid, DEFAULT_INDEX_FILE_SUFFIX); - if (ret < 0 && errno != ENOENT) { - goto error; - } - ret = utils_create_stream_file(fullpath, stream_name, size, count, uid, - gid, DEFAULT_INDEX_FILE_SUFFIX); - if (ret < 0) { - goto error; - } - fd = ret; - - ctf_packet_index_file_hdr_init(&hdr, major, minor); - size_ret = lttng_write(fd, &hdr, sizeof(hdr)); - if (size_ret < sizeof(hdr)) { - PERROR("write index header"); - goto error; - } - index_file->fd = fd; - index_file->major = major; - index_file->minor = minor; - index_file->element_len = element_len; - urcu_ref_init(&index_file->ref); - - return index_file; - -error: - if (fd >= 0) { - int close_ret; - - close_ret = close(fd); - if (close_ret < 0) { - PERROR("close index fd"); - } - } - free(index_file); - return NULL; -} - struct lttng_index_file *lttng_index_file_create_from_trace_chunk( struct lttng_trace_chunk *chunk, const char *channel_path, char *stream_name, @@ -165,12 +80,14 @@ struct lttng_index_file *lttng_index_file_create_from_trace_chunk( * stays valid even if we re-create a new file with the * same name afterwards. */ - chunk_status = lttng_trace_chunk_unlink_file(chunk, - index_file_path); - if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) { + chunk_status = lttng_trace_chunk_unlink_file( + chunk, index_file_path); + if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK && + !(chunk_status == LTTNG_TRACE_CHUNK_STATUS_ERROR && + errno == ENOENT)) { goto error; } - } + } chunk_status = lttng_trace_chunk_open_file(chunk, index_file_path, flags, mode, &fd);