mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-30 09:58:55 +00:00
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
|
|
#ifndef __SERVAL_DNA__MESSAGE_PLY_H
|
|
#define __SERVAL_DNA__MESSAGE_PLY_H
|
|
|
|
#define MESSAGE_PLY_MAX_LEN 4095
|
|
|
|
#define MESSAGE_BLOCK_TYPE_ACK 0x01
|
|
#define MESSAGE_BLOCK_TYPE_MESSAGE 0x02 // NUL-terminated UTF8 string
|
|
#define MESSAGE_BLOCK_TYPE_TIME 0x03 // local timestamp record
|
|
|
|
// the manifest details for one ply
|
|
struct message_ply {
|
|
rhizome_bid_t bundle_id;
|
|
uint64_t version;
|
|
uint64_t tail;
|
|
uint64_t size;
|
|
uint8_t found:1;
|
|
uint8_t known_bid:1;
|
|
};
|
|
|
|
// cursor state for reading one ply
|
|
struct message_ply_read {
|
|
// rhizome payload
|
|
struct rhizome_read read;
|
|
// block buffer
|
|
struct rhizome_read_buffer buff;
|
|
// details of the current record
|
|
uint64_t record_end_offset;
|
|
uint16_t record_length;
|
|
size_t record_size;
|
|
uint8_t type;
|
|
// raw record data
|
|
uint8_t *record;
|
|
};
|
|
|
|
int message_ply_read_open(struct message_ply_read *ply, const rhizome_bid_t *bid);
|
|
void message_ply_read_close(struct message_ply_read *ply);
|
|
int message_ply_read_prev(struct message_ply_read *ply);
|
|
int message_ply_find_prev(struct message_ply_read *ply, char type);
|
|
int message_ply_is_open(struct message_ply_read *ply);
|
|
void message_ply_read_rewind(struct message_ply_read *ply);
|
|
|
|
void message_ply_append_ack(struct overlay_buffer *b, uint64_t message_offset, uint64_t previous_ack_offset);
|
|
void message_ply_append_timestamp(struct overlay_buffer *b);
|
|
void message_ply_append_message(struct overlay_buffer *b, const char *message, size_t message_len);
|
|
int message_ply_append(const struct keyring_identity *id, const char *service, const sid_t *recipient, struct message_ply *ply, struct overlay_buffer *b,
|
|
unsigned nassignments, const struct rhizome_manifest_field_assignment *assignments);
|
|
|
|
#endif |