// Copyright 2015-2018 The NATS Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "natsp.h"

#include <stdlib.h>
#include "status.h"
#include "stats.h"
#include "mem.h"

natsStatus
natsStatistics_Create(natsStatistics **newStats)
{
    natsStatistics *stats = NULL;

    stats = (natsStatistics*) NATS_CALLOC(1, sizeof(natsStatistics));
    if (stats == NULL)
        return nats_setDefaultError(NATS_NO_MEMORY);

    *newStats = stats;

    return NATS_OK;
}

natsStatus
natsStatistics_GetCounts(const natsStatistics *stats,
                         uint64_t *inMsgs, uint64_t *inBytes,
                         uint64_t *outMsgs, uint64_t *outBytes,
                         uint64_t *reconnects)
{
    if (stats == NULL)
        return nats_setDefaultError(NATS_INVALID_ARG);

    if (inMsgs != NULL)
        *inMsgs = stats->inMsgs;
    if (inBytes != NULL)
        *inBytes = stats->inBytes;
    if (outMsgs != NULL)
        *outMsgs = stats->outMsgs;
    if (outBytes != NULL)
        *outBytes = stats->outBytes;
    if (reconnects != NULL)
        *reconnects = stats->reconnects;

    return NATS_OK;
}

void
natsStatistics_Destroy(natsStatistics *stats)
{
    if (stats == NULL)
        return;

    NATS_FREE(stats);
}