X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=plugins%2Fctf%2Ffs-src%2Ffs.h;h=9e9ee84d86fa91fcaac3e267a29b632d2743e42a;hb=68b66a256a54d32992dfefeaad11eea88b7df234;hp=56fe4891931ceccfbda0879a0fe284b880457e43;hpb=416937235b48b55387c6074adc6a0dd59a5c76f4;p=babeltrace.git diff --git a/plugins/ctf/fs-src/fs.h b/plugins/ctf/fs-src/fs.h index 56fe4891..9e9ee84d 100644 --- a/plugins/ctf/fs-src/fs.h +++ b/plugins/ctf/fs-src/fs.h @@ -29,8 +29,8 @@ */ #include -#include -#include +#include +#include #include "data-stream-file.h" #include "metadata.h" #include "../common/metadata/decoder.h" @@ -63,8 +63,6 @@ struct ctf_fs_metadata { /* Owned by this */ char *text; - uint8_t uuid[16]; - bool is_uuid_set; int bo; }; @@ -101,6 +99,31 @@ struct ctf_fs_trace { uint64_t next_stream_id; }; +struct ctf_fs_ds_index_entry { + /* Position, in bytes, of the packet from the beginning of the file. */ + uint64_t offset; + + /* Size of the packet, in bytes. */ + uint64_t packet_size; + + /* + * Extracted from the packet context, relative to the respective fields' + * mapped clock classes (in cycles). + */ + uint64_t timestamp_begin, timestamp_end; + + /* + * Converted from the packet context, relative to the trace's EPOCH + * (in ns since EPOCH). + */ + int64_t timestamp_begin_ns, timestamp_end_ns; +}; + +struct ctf_fs_ds_index { + /* Array of pointer to struct ctf_fs_fd_index_entry. */ + GPtrArray *entries; +}; + struct ctf_fs_ds_file_group { /* * Array of struct ctf_fs_ds_file_info, owned by this. @@ -114,7 +137,7 @@ struct ctf_fs_ds_file_group { GPtrArray *ds_file_infos; /* Owned by this */ - bt_stream_class *stream_class; + struct ctf_stream_class *sc; /* Owned by this */ bt_stream *stream; @@ -124,6 +147,16 @@ struct ctf_fs_ds_file_group { /* Weak, belongs to component */ struct ctf_fs_trace *ctf_fs_trace; + + /* + * Owned by this. May be NULL. + * + * A stream cannot be assumed to be indexed as the indexing might have + * been skipped. Moreover, the index's fields may not all be available + * depending on the producer (e.g. timestamp_begin/end are not + * mandatory). + */ + struct ctf_fs_ds_index *index; }; struct ctf_fs_port_data { @@ -149,9 +182,6 @@ struct ctf_fs_msg_iter_data { /* Owned by this */ struct bt_msg_iter *msg_iter; - - /* True to skip BT_MESSAGE_TYPE_STREAM_BEGINNING messages */ - bool skip_stream_begin_msgs; }; BT_HIDDEN @@ -169,20 +199,6 @@ bt_query_status ctf_fs_query( const char *object, const bt_value *params, const bt_value **result); -BT_HIDDEN -struct ctf_fs_trace *ctf_fs_trace_create(bt_self_component_source *self_comp, - const char *path, const char *name, - struct ctf_fs_metadata_config *config); - -BT_HIDDEN -void ctf_fs_trace_destroy(struct ctf_fs_trace *trace); - -BT_HIDDEN -int ctf_fs_find_traces(GList **trace_paths, const char *start_path); - -BT_HIDDEN -GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path); - BT_HIDDEN bt_self_message_iterator_status ctf_fs_iterator_init( bt_self_message_iterator *self_msg_iter, @@ -198,4 +214,52 @@ bt_self_message_iterator_status ctf_fs_iterator_next( bt_message_array_const msgs, uint64_t capacity, uint64_t *count); +BT_HIDDEN +bt_self_message_iterator_status ctf_fs_iterator_seek_beginning( + bt_self_message_iterator *message_iterator); + +/* Create and initialize a new, empty ctf_fs_component. */ + +BT_HIDDEN +struct ctf_fs_component *ctf_fs_component_create(void); + +/* + * Search recursively under all paths in `paths_value` (an array of strings), + * for CTF traces. For each CTF trace found, create a ctf_fs_trace in + * `ctf_fs` representing that trace. + */ + +BT_HIDDEN +int ctf_fs_component_create_ctf_fs_traces(bt_self_component_source *self_comp, + struct ctf_fs_component *ctf_fs, + const bt_value *paths_value); + +/* Free `ctf_fs` and everything it owns. */ + +BT_HIDDEN +void ctf_fs_destroy(struct ctf_fs_component *ctf_fs); + +/* + * Read and validate parameters taken by the src.ctf.fs plugin. + * + * - The mandatory `paths` parameter is returned in `*paths`. + * - The optional `clock-class-offset-s` and `clock-class-offset-ns`, if + * present, are recorded in the `ctf_fs` structure. + * + * Return true on success, false if any parameter didn't pass validation. + */ + +BT_HIDDEN +bool read_src_fs_parameters(const bt_value *params, + const bt_value **paths, struct ctf_fs_component *ctf_fs); + +/* + * Generate the port name to be used for a given data stream file group. + * + * The result must be freed using g_free by the caller. + */ + +BT_HIDDEN +gchar *ctf_fs_make_port_name(struct ctf_fs_ds_file_group *ds_file_group); + #endif /* BABELTRACE_PLUGIN_CTF_FS_H */