reading_stream.h

#ifndef _READING_STREAM_H
#define _READING_STREAM_H
/*
 * Fledge storage reading stream protocol definitions.
 *
 * Copyright (c) 2019 Dianomic Systems Inc.
 *
 * Released under the Apache 2.0 Licence
 *
 * Author: Mark Riddoch
 */
 
#define RDS_CONNECTION_MAGIC    0x344f4e4e
#define RDS_BLOCK_MAGIC     0x5244424b
#define RDS_READING_MAGIC   0x52444947
#define RDS_ACK_MAGIC       0x4241434b
#define RDS_NACK_MAGIC      0x4e41434b
 
typedef struct {
    uint32_t    magic;
    uint32_t    token;
} RDSConnectHeader;
 
typedef struct {
    uint32_t    magic;
    uint32_t    blockNumber;
    uint32_t    count;
} RDSBlockHeader;
 
typedef struct {
    uint32_t    magic;
    uint32_t    readingNo;
    uint32_t    assetLength;
    uint32_t    payloadLength;
} RDSReadingHeader;
 
typedef struct {
    uint32_t    magic;
    uint32_t    block;
} RDSAcknowledge;
 
typedef struct {
    uint32_t    assetCodeLength;
    uint32_t    payloadLength;
    struct timeval  userTs;
    char        assetCode[1];
} ReadingStream;
 
#endif