C++ (Cpp) LCB_MUTATION_TOKEN_VB примеры использования

Пример #1

Файл: bucket.c Проект: kvikas/couchbase-python-client

static PyObject *
Bucket__mutinfo(pycbc_Bucket *self)
{
    PyObject *ll = PyList_New(0);
    size_t ii, vbmax;
    lcbvb_CONFIG *cfg = NULL;
    lcb_error_t rc;

    rc = lcb_cntl(self->instance, LCB_CNTL_GET, LCB_CNTL_VBCONFIG, &cfg);
    if (rc != LCB_SUCCESS) {
        PYCBC_EXC_WRAP(PYCBC_EXC_LCBERR, rc, "Couldn't get vBucket config");
        return NULL;
    }

    vbmax = vbucket_config_get_num_vbuckets(cfg);
    for (ii = 0; ii < vbmax; ++ii) {
        lcb_KEYBUF kb = { 0 };
        const lcb_MUTATION_TOKEN *mt;
        lcb_error_t rc = LCB_SUCCESS;
        PyObject *cur;

        kb.type = LCB_KV_VBID;
        kb.contig.nbytes = (size_t)ii;

        mt = lcb_get_mutation_token(self->instance, &kb, &rc);
        if (mt == NULL) {
            continue;
        }
        cur = Py_BuildValue("HKK", LCB_MUTATION_TOKEN_VB(mt),
            LCB_MUTATION_TOKEN_ID(mt), LCB_MUTATION_TOKEN_SEQ(mt));
        PyList_Append(ll, cur);
        Py_DECREF(cur);
    }

    return ll;
}

Пример #2

Файл: callbacks.c Проект: mnunberg/couchbase-python-client

static void
dur_chain2(pycbc_Bucket *conn,
    pycbc_MultiResult *mres,
    pycbc_OperationResult *res, int cbtype, const lcb_RESPBASE *resp)
{
    lcb_error_t err;
    lcb_durability_opts_t dopts = { 0 };
    lcb_CMDENDURE cmd = { 0 };
    lcb_MULTICMD_CTX *mctx = NULL;
    int is_delete = cbtype == LCB_CALLBACK_REMOVE;

    res->rc = resp->rc;
    if (resp->rc == LCB_SUCCESS) {
        const lcb_MUTATION_TOKEN *mutinfo = lcb_resp_get_mutation_token(cbtype, resp);
        Py_XDECREF(res->mutinfo);

        if (mutinfo && LCB_MUTATION_TOKEN_ISVALID(mutinfo)) {
            /* Create the mutation token tuple: (vb,uuid,seqno) */
            res->mutinfo = Py_BuildValue("HKKO",
                LCB_MUTATION_TOKEN_VB(mutinfo),
                LCB_MUTATION_TOKEN_ID(mutinfo),
                LCB_MUTATION_TOKEN_SEQ(mutinfo),
                conn->bucket);
        } else {
            Py_INCREF(Py_None);
            res->mutinfo = Py_None;
        }
        res->cas = resp->cas;
    }

    /** For remove, we check quiet */
    maybe_push_operr(mres, (pycbc_Result*)res, resp->rc, is_delete ? 1 : 0);

    if ((mres->mropts & PYCBC_MRES_F_DURABILITY) == 0 || resp->rc != LCB_SUCCESS) {
        operation_completed(conn, mres);
        CB_THR_BEGIN(conn);
        return;
    }

    if (conn->dur_testhook && conn->dur_testhook != Py_None) {
        invoke_endure_test_notification(conn, (pycbc_Result *)res);
    }

    /** Setup global options */
    dopts.v.v0.persist_to = mres->dur.persist_to;
    dopts.v.v0.replicate_to = mres->dur.replicate_to;
    dopts.v.v0.timeout = conn->dur_timeout;
    dopts.v.v0.check_delete = is_delete;
    if (mres->dur.persist_to < 0 || mres->dur.replicate_to < 0) {
        dopts.v.v0.cap_max = 1;
    }

    lcb_sched_enter(conn->instance);
    mctx = lcb_endure3_ctxnew(conn->instance, &dopts, &err);
    if (mctx == NULL) {
        goto GT_DONE;
    }

    cmd.cas = resp->cas;
    LCB_CMD_SET_KEY(&cmd, resp->key, resp->nkey);
    err = mctx->addcmd(mctx, (lcb_CMDBASE*)&cmd);
    if (err != LCB_SUCCESS) {
        goto GT_DONE;
    }

    err = mctx->done(mctx, mres);
    if (err == LCB_SUCCESS) {
        mctx = NULL;
        lcb_sched_leave(conn->instance);
    }

    GT_DONE:
    if (mctx) {
        mctx->fail(mctx);
    }
    if (err != LCB_SUCCESS) {
        res->rc = err;
        maybe_push_operr(mres, (pycbc_Result*)res, err, 0);
        operation_completed(conn, mres);

    }

    CB_THR_BEGIN(conn);
}