-#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 {
- /* stream mapped by stream_id */
- struct ctf_stream *stream;
- /* parent is lexical scope conaining the event scope */
- struct declaration_scope *declaration_scope;
-
- /* Declarations only used when parsing */
- struct declaration_struct *context_decl;
- struct declaration_struct *fields_decl;
-
- /* Definitions used afterward */
- struct definition_struct *context;
- struct definition_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;
+#define HEADER_END char end_field
+#define header_sizeof(type) offsetof(typeof(type), end_field)
+
+struct metadata_packet_header {
+ uint32_t magic; /* 0x75D11D57 */
+ uint8_t uuid[16]; /* Unique Universal Identifier */
+ uint32_t checksum; /* 0 if unused */
+ uint32_t content_size; /* in bits */
+ uint32_t packet_size; /* in bits */
+ uint8_t compression_scheme; /* 0 if unused */
+ uint8_t encryption_scheme; /* 0 if unused */
+ uint8_t checksum_scheme; /* 0 if unused */
+ uint8_t major; /* CTF spec major version number */
+ uint8_t minor; /* CTF spec minor version number */
+ HEADER_END;