// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you 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 "service/http/action/metrics_action.h"

#include <string>

#include "common/metrics/metrics.h"

#include "service/http/http_channel.h"

#include "service/http/http_headers.h"

#include "service/http/http_request.h"

namespace doris {

void MetricsAction::handle(HttpRequest* req) {

    const std::string& type = req->param("type");

    const std::string& with_tablet = req->param("with_tablet");

    std::string str;

    if (type == "core") {

        str = _metric_registry->to_core_string();

    } else if (type == "json") {

        str = _metric_registry->to_json(with_tablet == "true");

    } else {

        str = _metric_registry->to_prometheus(with_tablet == "true");

    }

    req->add_output_header(HttpHeaders::CONTENT_TYPE, "text/plain; version=0.0.4");

    HttpChannel::send_reply(req, str);

}

} // namespace doris