--- /dev/null
+#ifndef _BABELTRACE_CTF_IR_METADATA_H
+#define _BABELTRACE_CTF_IR_METADATA_H
+
+/*
+ * BabelTrace
+ *
+ * CTF Intermediate Representation Metadata Header
+ *
+ * Copyright 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <babeltrace/types.h>
+#include <babeltrace/format.h>
+#include <babeltrace/format-internal.h>
+#include <babeltrace/ctf/types.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <babeltrace/compat/uuid.h>
+#include <assert.h>
+#include <glib.h>
+
+struct ctf_trace;
+struct ctf_stream_declaration;
+struct ctf_event_declaration;
+struct ctf_clock;
+struct ctf_callsite;
+
+struct ctf_stream_definition {
+ struct ctf_stream_declaration *stream_class;
+ uint64_t real_timestamp; /* Current timestamp, in ns */
+ uint64_t cycles_timestamp; /* Current timestamp, in cycles */
+ uint64_t event_id; /* Current event ID */
+ int has_timestamp;
+ uint64_t stream_id;
+
+ struct definition_struct *trace_packet_header;
+ struct definition_struct *stream_packet_context;
+ struct definition_struct *stream_event_header;
+ struct definition_struct *stream_event_context;
+ GPtrArray *events_by_id; /* Array of struct ctf_event_definition pointers indexed by id */
+ struct definition_scope *parent_def_scope; /* for initialization */
+ int stream_definitions_created;
+
+ struct ctf_clock *current_clock;
+
+ /* Event discarded information */
+ uint64_t events_discarded;
+ uint64_t prev_real_timestamp; /* Start-of-last-packet timestamp in ns */
+ uint64_t prev_real_timestamp_end; /* End-of-last-packet timestamp in ns */
+ uint64_t prev_cycles_timestamp; /* Start-of-last-packet timestamp in cycles */
+ uint64_t prev_cycles_timestamp_end; /* End-of-last-packet timestamp in cycles */
+ char path[PATH_MAX]; /* Path to stream. '\0' for mmap traces */
+};
+
+struct ctf_event_definition {
+ struct ctf_stream_definition *stream;
+ struct definition_struct *event_context;
+ struct definition_struct *event_fields;
+};
+
+#define CTF_CLOCK_SET_FIELD(ctf_clock, field) \
+ do { \
+ (ctf_clock)->field_mask |= CTF_CLOCK_ ## field; \
+ } while (0)
+
+#define CTF_CLOCK_FIELD_IS_SET(ctf_clock, field) \
+ ((ctf_clock)->field_mask & CTF_CLOCK_ ## field)
+
+#define CTF_CLOCK_GET_FIELD(ctf_clock, field) \
+ ({ \
+ assert(CTF_CLOCK_FIELD_IS_SET(ctf_clock, field)); \
+ (ctf_clock)->(field); \
+ })
+
+struct ctf_clock {
+ GQuark name;
+ GQuark uuid;
+ char *description;
+ uint64_t freq; /* frequency, in HZ */
+ /* precision in seconds is: precision * (1/freq) */
+ uint64_t precision;
+ /*
+ * The offset from Epoch is: offset_s + (offset * (1/freq))
+ * Coarse clock offset from Epoch (in seconds).
+ */
+ uint64_t offset_s;
+ /* Fine clock offset from Epoch, in (1/freq) units. */
+ uint64_t offset;
+ int absolute;
+
+ enum { /* Fields populated mask */
+ CTF_CLOCK_name = (1U << 0),
+ CTF_CLOCK_freq = (1U << 1),
+ } field_mask;
+};
+
+#define CTF_CALLSITE_SET_FIELD(ctf_callsite, field) \
+ do { \
+ (ctf_callsite)->field_mask |= CTF_CALLSITE_ ## field; \
+ } while (0)
+
+#define CTF_CALLSITE_FIELD_IS_SET(ctf_callsite, field) \
+ ((ctf_callsite)->field_mask & CTF_CALLSITE_ ## field)
+
+#define CTF_CALLSITE_GET_FIELD(ctf_callsite, field) \
+ ({ \
+ assert(CTF_CALLSITE_FIELD_IS_SET(ctf_callsite, field)); \
+ (ctf_callsite)->(field); \
+ })
+
+struct ctf_callsite {
+ GQuark name; /* event name associated with callsite */
+ char *func;
+ char *file;
+ uint64_t line;
+ uint64_t ip;
+ struct bt_list_head node;
+ enum { /* Fields populated mask */
+ CTF_CALLSITE_name = (1U << 0),
+ CTF_CALLSITE_func = (1U << 1),
+ CTF_CALLSITE_file = (1U << 2),
+ CTF_CALLSITE_line = (1U << 3),
+ CTF_CALLSITE_ip = (1U << 4),
+ } field_mask;
+};
+
+struct ctf_callsite_dups {
+ struct bt_list_head head;
+};
+
+#define CTF_TRACE_SET_FIELD(ctf_trace, field) \
+ do { \
+ (ctf_trace)->field_mask |= CTF_TRACE_ ## field; \
+ } while (0)
+
+#define CTF_TRACE_FIELD_IS_SET(ctf_trace, field) \
+ ((ctf_trace)->field_mask & CTF_TRACE_ ## field)
+
+#define CTF_TRACE_GET_FIELD(ctf_trace, field) \
+ ({ \
+ assert(CTF_TRACE_FIELD_IS_SET(ctf_trace, field)); \
+ (ctf_trace)->(field); \
+ })
+
+#define TRACER_ENV_LEN 128
+
+/* tracer-specific environment */
+struct ctf_tracer_env {
+ int vpid; /* negative if unset */
+
+ /* All strings below: "" if unset. */
+ char procname[TRACER_ENV_LEN];
+ char hostname[TRACER_ENV_LEN];
+ char domain[TRACER_ENV_LEN];
+ char sysname[TRACER_ENV_LEN];
+ char release[TRACER_ENV_LEN];
+ char version[TRACER_ENV_LEN];
+};
+
+struct ctf_trace {
+ struct bt_trace_descriptor parent;
+
+ /* root scope */
+ struct declaration_scope *root_declaration_scope;
+
+ struct declaration_scope *declaration_scope;
+ /* innermost definition scope. to be used as parent of stream. */
+ struct definition_scope *definition_scope;
+ GPtrArray *streams; /* Array of struct ctf_stream_declaration pointers */
+ struct ctf_stream_definition *metadata;
+ char *metadata_string;
+ int metadata_packetized;
+ GHashTable *callsites;
+ GPtrArray *event_declarations; /* Array of all the struct bt_ctf_event_decl */
+
+ struct declaration_struct *packet_header_decl;
+
+ uint64_t major;
+ uint64_t minor;
+ unsigned char uuid[BABELTRACE_UUID_LEN];
+ int byte_order; /* trace BYTE_ORDER. 0 if unset. */
+ struct ctf_tracer_env env;
+
+ enum { /* Fields populated mask */
+ CTF_TRACE_major = (1U << 0),
+ CTF_TRACE_minor = (1U << 1),
+ CTF_TRACE_uuid = (1U << 2),
+ CTF_TRACE_byte_order = (1U << 3),
+ CTF_TRACE_packet_header = (1U << 4),
+ } field_mask;
+
+ /* Information about trace backing directory and files */
+ DIR *dir;
+ int dirfd;
+ int flags; /* open flags */
+};
+
+#define CTF_STREAM_SET_FIELD(ctf_stream, field) \
+ do { \
+ (ctf_stream)->field_mask |= CTF_STREAM_ ## field; \
+ } while (0)
+
+#define CTF_STREAM_FIELD_IS_SET(ctf_stream, field) \
+ ((ctf_stream)->field_mask & CTF_STREAM_ ## field)
+
+#define CTF_STREAM_GET_FIELD(ctf_stream, field) \
+ ({ \
+ assert(CTF_STREAM_FIELD_IS_SET(ctf_stream, field)); \
+ (ctf_stream)->(field); \
+ })
+
+struct ctf_stream_declaration {
+ struct ctf_trace *trace;
+ /* parent is lexical scope containing the stream scope */
+ struct declaration_scope *declaration_scope;
+ /* innermost definition scope. to be used as parent of event. */
+ struct definition_scope *definition_scope;
+ GPtrArray *events_by_id; /* Array of struct ctf_event_declaration pointers indexed by id */
+ GHashTable *event_quark_to_id; /* GQuark to numeric id */
+
+ struct declaration_struct *packet_context_decl;
+ struct declaration_struct *event_header_decl;
+ struct declaration_struct *event_context_decl;
+
+ uint64_t stream_id;
+
+ enum { /* Fields populated mask */
+ CTF_STREAM_stream_id = (1 << 0),
+ } field_mask;
+
+ GPtrArray *streams; /* Array of struct ctf_stream_definition pointers */
+};
+
+#define CTF_EVENT_SET_FIELD(ctf_event, field) \
+ do { \
+ (ctf_event)->field_mask |= CTF_EVENT_ ## field; \
+ } while (0)
+
+#define CTF_EVENT_FIELD_IS_SET(ctf_event, field) \
+ ((ctf_event)->field_mask & CTF_EVENT_ ## field)
+
+#define CTF_EVENT_GET_FIELD(ctf_event, field) \
+ ({ \
+ assert(CTF_EVENT_FIELD_IS_SET(ctf_event, field)); \
+ (ctf_event)->(field); \
+ })
+
+struct ctf_event_declaration {
+ /* stream mapped by stream_id */
+ struct ctf_stream_declaration *stream;
+ /* parent is lexical scope containing the event scope */
+ struct declaration_scope *declaration_scope;
+
+ struct declaration_struct *context_decl;
+ struct declaration_struct *fields_decl;
+
+ GQuark name;
+ uint64_t id; /* Numeric identifier within the stream */
+ uint64_t stream_id;
+ int loglevel;
+ GQuark model_emf_uri;
+
+ enum { /* Fields populated mask */
+ CTF_EVENT_name = (1 << 0),
+ CTF_EVENT_id = (1 << 1),
+ CTF_EVENT_stream_id = (1 << 2),
+ CTF_EVENT_loglevel = (1 << 4),
+ CTF_EVENT_model_emf_uri = (1 << 5),
+ } field_mask;
+};
+
+#endif /* _BABELTRACE_CTF_IR_METADATA_H */
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