X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fformat.h;h=4ace0b04563067a56187063299a3bc3679995a93;hp=c97d1987fd9e14c05f440223308d41c5d1c9b39c;hb=03798a93f959f6c694fe98f5647481947607c604;hpb=5901aa79610cd8703f6a21c00bcdc00cb6e66da1 diff --git a/include/babeltrace/format.h b/include/babeltrace/format.h index c97d1987..4ace0b04 100644 --- a/include/babeltrace/format.h +++ b/include/babeltrace/format.h @@ -6,7 +6,9 @@ * * Trace Format Header * - * Copyright 2010, 2011 - Mathieu Desnoyers + * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation + * + * Author: Mathieu Desnoyers * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -19,23 +21,56 @@ * all copies or substantial portions of the Software. */ -#include +#include +#include #include #include -#include + +typedef int bt_intern_str; + +/* forward declaration */ +struct stream_pos; +struct bt_context; +struct bt_trace_handle; /* Parent trace descriptor */ struct trace_descriptor { }; +struct mmap_stream { + int fd; + struct bt_list_head list; +}; + +struct mmap_stream_list { + struct bt_list_head head; +}; + struct format { - GQuark name; + bt_intern_str name; - struct trace_descriptor *(*open_trace)(const char *path, int flags); + struct trace_descriptor *(*open_trace)(const char *path, int flags, + void (*packet_seek)(struct stream_pos *pos, + size_t index, int whence), + FILE *metadata_fp); + struct trace_descriptor *(*open_mmap_trace)( + struct mmap_stream_list *mmap_list, + void (*packet_seek)(struct stream_pos *pos, + size_t index, int whence), + FILE *metadata_fp); void (*close_trace)(struct trace_descriptor *descriptor); + void (*set_context)(struct trace_descriptor *descriptor, + struct bt_context *ctx); + void (*set_handle)(struct trace_descriptor *descriptor, + struct bt_trace_handle *handle); + uint64_t (*timestamp_begin)(struct trace_descriptor *descriptor, + struct bt_trace_handle *handle, enum bt_clock_type type); + uint64_t (*timestamp_end)(struct trace_descriptor *descriptor, + struct bt_trace_handle *handle, enum bt_clock_type type); + int (*convert_index_timestamp)(struct trace_descriptor *descriptor); }; -extern struct format *bt_lookup_format(GQuark qname); +extern struct format *bt_lookup_format(bt_intern_str qname); extern void bt_fprintf_format_list(FILE *fp); extern int bt_register_format(struct format *format);