scylladb/api/cache_service.cc

/*
 * Copyright 2015 Cloudius Systems
 */

#include "cache_service.hh"
#include "api/api-doc/cache_service.json.hh"
#include "column_family.hh"

namespace api {
using namespace json;
namespace cs = httpd::cache_service_json;

void set_cache_service(http_context& ctx, routes& r) {
    cs::get_row_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_row_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto period = req->get_query_param("period");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_key_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_key_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto period = req->get_query_param("period");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_counter_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_counter_cache_save_period_in_seconds.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto ccspis = req->get_query_param("ccspis");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_row_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_row_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto rckts = req->get_query_param("rckts");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_key_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_key_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto kckts = req->get_query_param("kckts");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_counter_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::set_counter_cache_keys_to_save.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto cckts = req->get_query_param("cckts");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::invalidate_key_cache.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::invalidate_counter_cache.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::set_row_cache_capacity_in_mb.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto capacity = req->get_query_param("capacity");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::set_key_cache_capacity_in_mb.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto period = req->get_query_param("period");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::set_counter_cache_capacity_in_mb.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        auto capacity = req->get_query_param("capacity");
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::save_caches.set(r, [](std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(json_void());
    });

    cs::get_key_capacity.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_key_hits.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_key_requests.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_key_hit_rate.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_key_size.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_key_entries.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_row_capacity.set(r, [&ctx] (std::unique_ptr<request> req) {
        return map_reduce_cf(ctx, 0, [](const column_family& cf) {
            return cf.get_row_cache().get_cache_tracker().region().occupancy().used_space();
        }, std::plus<uint64_t>());
    });

    cs::get_row_hits.set(r, [&ctx] (std::unique_ptr<request> req) {
        return map_reduce_cf(ctx, 0, [](const column_family& cf) {
            return cf.get_row_cache().stats().hits;
        }, std::plus<int64_t>());
    });

    cs::get_row_requests.set(r, [&ctx] (std::unique_ptr<request> req) {
        return map_reduce_cf(ctx, 0, [](const column_family& cf) {
            return cf.get_row_cache().stats().hits + cf.get_row_cache().stats().misses;
        }, std::plus<int64_t>());
    });

    cs::get_row_hit_rate.set(r, [&ctx] (std::unique_ptr<request> req) {
        return map_reduce_cf(ctx, ratio_holder(), [](const column_family& cf) {
            return ratio_holder(cf.get_row_cache().stats().hits + cf.get_row_cache().stats().misses,
                    cf.get_row_cache().stats().hits);
        }, std::plus<ratio_holder>());
    });

    cs::get_row_size.set(r, [&ctx] (std::unique_ptr<request> req) {
        // In origin row size is the weighted size.
        // We currently do not support weights, so we use num entries instead
        return map_reduce_cf(ctx, 0, [](const column_family& cf) {
            return cf.get_row_cache().num_entries();
        }, std::plus<uint64_t>());
    });

    cs::get_row_entries.set(r, [&ctx] (std::unique_ptr<request> req) {
        return map_reduce_cf(ctx, 0, [](const column_family& cf) {
            return cf.get_row_cache().num_entries();
        }, std::plus<uint64_t>());
    });

    cs::get_counter_capacity.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_counter_hits.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_counter_requests.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_counter_hit_rate.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_counter_size.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });

    cs::get_counter_entries.set(r, [] (std::unique_ptr<request> req) {
        // TBD
        unimplemented();
        return make_ready_future<json::json_return_type>(0);
    });
}

}