ctf metadata field is set bitmasks
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 21 Mar 2011 20:09:07 +0000 (16:09 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mon, 21 Mar 2011 20:09:07 +0000 (16:09 -0400)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
include/babeltrace/ctf/metadata.h

index 5d1d16d83dc3c664ee7cfe03fbe83dc1c0babeaa..aea04e8c76acbe2ef6c4a97f4a914765d320ea0b 100644 (file)
  */
 
 #include <babeltrace/types.h>
+#include <uuid/uuid.h>
+#include <assert.h>
 #include <glib.h>
 
 struct ctf_trace;
 struct ctf_stream;
 struct ctf_event;
 
+#define CTF_TRACE_SET_FIELD(ctf_trace, field, value)                   \
+       do {                                                            \
+               (ctf_trace)->(field) = (value);                         \
+               (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);                                   \
+       })
+
 struct ctf_trace {
        struct declaration_scope *scope;        /* root scope */
-       GArray *streams;        /* Array of struct ctf_stream */
+       GArray *streams;                        /* Array of struct ctf_stream */
 
        uint64_t major;
        uint64_t minor;
-       uint8_t uuid[16];
+       uuid_t uuid;
        uint64_t word_size;
+
+       enum {                                  /* Fields populated mask */
+               CTF_TRACE_major =       (1U << 0),
+               CTF_TRACE_minor =       (1U << 1),
+               CTF_TRACE_uuid  =       (1U << 2),
+               CTF_TRACE_word_size =   (1U << 3),
+       } field_mask;
 };
 
+#define CTF_STREAM_SET_FIELD(ctf_stream, field, value)                 \
+       do {                                                            \
+               (ctf_stream)->(field) = (value);                        \
+               (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 {
+       struct ctf_trace *trace;
        struct declaration_scope *scope;        /* parent is trace scope */
        GArray *events_by_id;   /* Array of struct ctf_event indexed by id */
-       GHashTable *event_quark_to_id;  /* GQuark to numeric id */
+       GHashTable *event_quark_to_id;          /* GQuark to numeric id */
 
-       uint64_t stream_id;
        struct declaration_struct *event_header;
        struct declaration_struct *event_context;
        struct declaration_struct *packet_context;
+
+       uint64_t stream_id;
+
+       enum {                                  /* Fields populated mask */
+               CTF_STREAM_stream_id =  (1 << 0),
+       } field_mask;
 };
 
+#define CTF_EVENT_SET_FIELD(ctf_event, field, value)                   \
+       do {                                                            \
+               (ctf_event)->(field) = (value);                         \
+               (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 {
+       struct ctf_stream *stream;              /* stream mapped by stream_id */
        struct declaration_scope *scope;        /* parent is stream scope */
-       GQuark name;
-       uint64_t id;    /* Numeric identifier within the stream */
-       uint64_t stream_id;
        struct declaration_struct *context;
        struct declaration_struct *fields;
+
+       GQuark name;
+       uint64_t id;            /* Numeric identifier within the stream */
+       uint64_t stream_id;
+
+       enum {                                  /* Fields populated mask */
+               CTF_EVENT_name  =       (1 << 0),
+               CTF_EVENT_id    =       (1 << 1),
+               CTF_EVENT_stream_id =   (1 << 2),
+       } field_mask;
 };
 
 #endif /* _BABELTRACE_CTF_METADATA_H */
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