109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "failure_detector.hh"
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#include "api/api-doc/failure_detector.json.hh"
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#include "gms/failure_detector.hh"
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#include "gms/application_state.hh"
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#include "gms/gossiper.hh"
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namespace api {
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namespace fd = httpd::failure_detector_json;
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void set_failure_detector(http_context& ctx, routes& r) {
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fd::get_all_endpoint_states.set(r, [](std::unique_ptr<request> req) {
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std::vector<fd::endpoint_state> res;
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for (auto i : gms::get_local_gossiper().endpoint_state_map) {
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fd::endpoint_state val;
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val.addrs = boost::lexical_cast<std::string>(i.first);
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val.is_alive = i.second.is_alive();
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val.generation = i.second.get_heart_beat_state().get_generation();
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val.version = i.second.get_heart_beat_state().get_heart_beat_version();
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val.update_time = i.second.get_update_timestamp().time_since_epoch().count();
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for (auto a : i.second.get_application_state_map()) {
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fd::version_value version_val;
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// We return the enum index and not it's name to stay compatible to origin
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// method that the state index are static but the name can be changed.
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version_val.application_state = static_cast<std::underlying_type<gms::application_state>::type>(a.first);
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version_val.value = a.second.value;
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version_val.version = a.second.version;
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val.application_state.push(version_val);
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}
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res.push_back(val);
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}
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return make_ready_future<json::json_return_type>(res);
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});
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fd::get_up_endpoint_count.set(r, [](std::unique_ptr<request> req) {
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return gms::get_up_endpoint_count().then([](int 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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fd::get_down_endpoint_count.set(r, [](std::unique_ptr<request> req) {
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return gms::get_down_endpoint_count().then([](int 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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fd::get_phi_convict_threshold.set(r, [] (std::unique_ptr<request> req) {
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return gms::get_phi_convict_threshold().then([](double 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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fd::get_simple_states.set(r, [] (std::unique_ptr<request> req) {
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return gms::get_simple_states().then([](const std::map<sstring, sstring>& map) {
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return make_ready_future<json::json_return_type>(map_to_key_value<fd::mapper>(map));
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});
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});
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fd::set_phi_convict_threshold.set(r, [](std::unique_ptr<request> req) {
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double phi = atof(req->get_query_param("phi").c_str());
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return gms::set_phi_convict_threshold(phi).then([]() {
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return make_ready_future<json::json_return_type>("");
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});
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});
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fd::get_endpoint_state.set(r, [](std::unique_ptr<request> req) {
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return gms::get_endpoint_state(req->param["addr"]).then([](const sstring& state) {
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return make_ready_future<json::json_return_type>(state);
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});
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});
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fd::get_endpoint_phi_values.set(r, [](std::unique_ptr<request> req) {
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return gms::get_arrival_samples().then([](std::map<gms::inet_address, gms::arrival_window> map) {
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std::vector<fd::endpoint_phi_value> res;
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auto now = gms::arrival_window::clk::now();
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for (auto& p : map) {
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fd::endpoint_phi_value val;
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val.endpoint = p.first.to_sstring();
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val.phi = p.second.phi(now);
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res.emplace_back(std::move(val));
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}
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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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}
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}
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