wired/moqdg_8h_source.html

#ifndef MOQDG_H

#define MOQDG_H


#include "app/moqt/data/moqdata.h"

#include "common/bytes/span/span.h"

#include "common/platform/sys/syscall.h"


int moqdg_type_valid(u64 type);


typedef struct {

  u64 type;

  u64 track_alias;

  u64 group_id;

  u64 object_id;

  u64 priority;

  u64 status;

  wired_span props;

  wired_span payload;

} moqdg_obj;


#define MOQDG_HDR_MAX 29


int moqdg_take(wired_span buf, usz* off, moqdg_obj* out);


int moqdg_put(wired_mspan buf, usz* off, const moqdg_obj* o);


#endif

moqdata.h
draft-ietf-moq-transport-18/19/22 data-plane (draft-19 sections; the wire is byte-identical in all th...

moqdg_take
int moqdg_take(wired_span buf, usz *off, moqdg_obj *out)
Decodes one OBJECT_DATAGRAM spanning all of buf from *off.

moqdg_put
int moqdg_put(wired_mspan buf, usz *off, const moqdg_obj *o)
Encodes o at *off, minimal varints.

moqdg_type_valid
int moqdg_type_valid(u64 type)
OBJECT_DATAGRAM Type (11.3.1): 0b00X0XXXX, i.e.

span.h
Value-type views that fold the SDK's recurring argument shapes into single parameters,...

moqdg_obj
Decoded OBJECT_DATAGRAM (11.3.1).
Definition moqdg.h:25

moqdg_obj::type
u64 type
Type byte; its bits say which fields below were on the wire.
Definition moqdg.h:27

moqdg_obj::payload
wired_span payload
Object Payload (the rest of the datagram); empty when the STATUS bit is set.
Definition moqdg.h:44

moqdg_obj::object_id
u64 object_id
Object ID; 0 when the ZERO_OBJECT_ID bit (0x04) omits the field.
Definition moqdg.h:33

moqdg_obj::props
wired_span props
Properties bytes after the Properties Length (11.2.1.2); empty when the PROPERTIES bit (0x01) is clea...
Definition moqdg.h:41

moqdg_obj::status
u64 status
Object Status; 0 (Normal) unless the STATUS bit (0x20) is set.
Definition moqdg.h:38

moqdg_obj::group_id
u64 group_id
Group ID.
Definition moqdg.h:31

moqdg_obj::track_alias
u64 track_alias
Track Alias (11.1).
Definition moqdg.h:29

moqdg_obj::priority
u64 priority
Raw 8-bit Publisher Priority; 0 when the DEFAULT_PRIORITY bit (0x08) omits the field.
Definition moqdg.h:36

wired_mspan
Mutable view of a byte range.
Definition span.h:42

wired_span
Read-only view of a byte range.
Definition span.h:30

syscall.h
Linux direct syscalls.

usz
u64 usz
unsigned size (size_t equivalent)
Definition types.h:20

u64
unsigned long u64
unsigned 64-bit integer
Definition types.h:13