62 lines
2.3 KiB
C++
62 lines
2.3 KiB
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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#include "commitlog.hh"
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#include <db/commitlog/commitlog.hh>
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#include "api/api-doc/commitlog.json.hh"
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#include <vector>
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namespace api {
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template<typename Func>
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static auto acquire_cl_metric(http_context& ctx, Func&& func) {
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typedef std::result_of_t<Func(db::commitlog *)> ret_type;
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return ctx.db.map_reduce0([func = std::forward<Func>(func)](database& db) {
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if (db.commitlog() == nullptr) {
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return make_ready_future<ret_type>();
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}
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return make_ready_future<ret_type>(func(db.commitlog()));
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}, ret_type(), std::plus<ret_type>()).then([](ret_type res) {
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return make_ready_future<json::json_return_type>(res);
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});
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}
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void set_commitlog(http_context& ctx, routes& r) {
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httpd::commitlog_json::get_active_segment_names.set(r,
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[&ctx](std::unique_ptr<request> req) {
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auto res = make_shared<std::vector<sstring>>();
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return ctx.db.map_reduce([res](std::vector<sstring> names) {
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res->insert(res->end(), names.begin(), names.end());
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}, [](database& db) {
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if (db.commitlog() == nullptr) {
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return make_ready_future<std::vector<sstring>>(std::vector<sstring>());
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}
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return make_ready_future<std::vector<sstring>>(db.commitlog()->get_active_segment_names());
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}).then([res] {
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return make_ready_future<json::json_return_type>(*res.get());
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});
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});
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// We currently do not support archive segments
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httpd::commitlog_json::get_archiving_segment_names.set(r, [](const_req req) {
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std::vector<sstring> res;
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return res;
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});
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httpd::commitlog_json::get_completed_tasks.set(r, [&ctx](std::unique_ptr<request> req) {
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return acquire_cl_metric(ctx, std::bind(&db::commitlog::get_completed_tasks, std::placeholders::_1));
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});
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httpd::commitlog_json::get_pending_tasks.set(r, [&ctx](std::unique_ptr<request> req) {
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return acquire_cl_metric(ctx, std::bind(&db::commitlog::get_pending_tasks, std::placeholders::_1));
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});
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httpd::commitlog_json::get_total_commit_log_size.set(r, [&ctx](std::unique_ptr<request> req) {
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return acquire_cl_metric(ctx, std::bind(&db::commitlog::get_total_size, std::placeholders::_1));
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});
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}
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}
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