C++ (Cpp) decode_sequence_key Examples

Example #1

File: couch_save.c Project: pointlessjon/couchstore

static int seq_action_compare(const void *actv1, const void *actv2)
{
    const couchfile_modify_action *act1, *act2;
    act1 = (const couchfile_modify_action *) actv1;
    act2 = (const couchfile_modify_action *) actv2;

    uint64_t seq1, seq2;

    seq1 = decode_sequence_key(act1->key);
    seq2 = decode_sequence_key(act2->key);

    if (seq1 < seq2) {
        return -1;
    }
    if (seq1 == seq2) {
        if (act1->type < act2->type) {
            return -1;
        }
        if (act1->type > act2->type) {
            return 1;
        }
        return 0;
    }
    if (seq1 > seq2) {
        return 1;
    }
    return 0;
}

Example #2

File: util.c Project: avsej/couchbase.deb

int seq_cmp(const sized_buf *k1, const sized_buf *k2)
{
    uint64_t e1val = decode_sequence_key(k1);
    uint64_t e2val = decode_sequence_key(k2);
    if (e1val == e2val) {
        return 0;
    }
    return (e1val < e2val ? -1 : 1);
}

Example #3

File: couch_db.c Project: apage43/couchstore

static couchstore_error_t by_seq_read_docinfo(DocInfo **pInfo, sized_buf *k, sized_buf *v)
{
    const raw_seq_index_value *raw = (const raw_seq_index_value*)v->buf;
    ssize_t extraSize = v->size - sizeof(*raw);
    if (extraSize < 0) {
        return COUCHSTORE_ERROR_CORRUPT;
    }

    uint32_t idsize, datasize;
    decode_kv_length(&raw->sizes, &idsize, &datasize);
    uint64_t bp = decode_raw48(raw->bp);
    int deleted = (bp & BP_DELETED_FLAG) != 0;
    bp &= ~BP_DELETED_FLAG;
    uint8_t content_meta = decode_raw08(raw->content_meta);
    uint64_t rev_seq = decode_raw48(raw->rev_seq);
    uint64_t db_seq = decode_sequence_key(k);

    sized_buf id = {v->buf + sizeof(*raw), idsize};
    sized_buf rev_meta = {id.buf + idsize, extraSize - id.size};
    DocInfo* docInfo = couchstore_alloc_docinfo(&id, &rev_meta);
    if (!docInfo) {
        return COUCHSTORE_ERROR_ALLOC_FAIL;
    }

    docInfo->db_seq = db_seq;
    docInfo->rev_seq = rev_seq;
    docInfo->deleted = deleted;
    docInfo->bp = bp;
    docInfo->size = datasize;
    docInfo->content_meta = content_meta;
    *pInfo = docInfo;
    return COUCHSTORE_SUCCESS;
}

Example #4

File: couch_db.c Project: pointlessjon/couchstore

static int by_seq_read_docinfo(DocInfo **pInfo, sized_buf *k, sized_buf *v)
{
    const raw_seq_index_value *raw = (const raw_seq_index_value*)v->buf;
    ssize_t extraSize = v->size - sizeof(*raw);
    if (extraSize < 0) {
        return COUCHSTORE_ERROR_CORRUPT;
    }

    uint32_t idsize, datasize;
    decode_kv_length(&raw->sizes, &idsize, &datasize);
    uint64_t bp = decode_raw48(raw->bp);
    int deleted = (bp & BP_DELETED_FLAG) != 0;
    bp &= ~BP_DELETED_FLAG;
    uint8_t content_meta = decode_raw08(raw->content_meta);
    uint64_t rev_seq = decode_raw48(raw->rev_seq);
    uint64_t db_seq = decode_sequence_key(k);

    DocInfo* docInfo = malloc(sizeof(DocInfo) + extraSize);
    if (!docInfo) {
        return COUCHSTORE_ERROR_ALLOC_FAIL;
    }
    char *rbuf = (char *) docInfo;
    memcpy(rbuf + sizeof(DocInfo), v->buf + sizeof(*raw), extraSize);
    *pInfo = docInfo;
    docInfo->db_seq = db_seq;
    docInfo->rev_seq = rev_seq;
    docInfo->deleted = deleted;
    docInfo->bp = bp;
    docInfo->size = datasize;
    docInfo->content_meta = content_meta;
    docInfo->id.buf = rbuf + sizeof(DocInfo);
    docInfo->id.size = idsize;
    docInfo->rev_meta.buf = rbuf + sizeof(DocInfo) + idsize;
    docInfo->rev_meta.size = extraSize - idsize;
    return 0;
}