Files
scylladb/api/stream_manager.cc
2015-09-20 10:43:39 +03:00

103 lines
3.7 KiB
C++

/*
* Copyright 2015 Cloudius Systems
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stream_manager.hh"
#include "streaming/stream_manager.hh"
#include "streaming/stream_result_future.hh"
#include "api/api-doc/stream_manager.json.hh"
#include <vector>
namespace api {
namespace hs = httpd::stream_manager_json;
static void set_summaries(const std::vector<streaming::stream_summary>& from,
json::json_list<hs::stream_summary>& to) {
for (auto sum : from) {
hs::stream_summary res;
res.cf_id = boost::lexical_cast<std::string>(sum.cf_id);
res.files = sum.files;
res.total_size = sum.total_size;
to.push(res);
}
}
static hs::progress_info get_progress_info(const streaming::progress_info& info) {
hs::progress_info res;
res.current_bytes = info.current_bytes;
res.direction = info.dir;
res.file_name = info.file_name;
res.peer = boost::lexical_cast<std::string>(info.peer);
res.session_index = info.session_index;
res.total_bytes = info.total_bytes;
return res;
}
static void set_files(const std::map<sstring, streaming::progress_info>& from,
json::json_list<hs::progress_info_mapper>& to) {
for (auto i : from) {
hs::progress_info_mapper m;
m.key = i.first;
m.value = get_progress_info(i.second);
to.push(m);
}
}
static hs::stream_state get_state(
streaming::stream_result_future& result_future) {
hs::stream_state state;
state.description = result_future.description;
state.plan_id = result_future.plan_id.to_sstring();
for (auto info : result_future.get_coordinator().get()->get_all_session_info()) {
hs::stream_info si;
si.peer = boost::lexical_cast<std::string>(info.peer);
si.session_index = info.session_index;
si.state = info.state;
si.connecting = boost::lexical_cast<std::string>(info.connecting);
set_summaries(info.receiving_summaries, si.receiving_summaries);
set_summaries(info.sending_summaries, si.sending_summaries);
set_files(info.receiving_files, si.receiving_files);
set_files(info.sending_files, si.sending_files);
}
return state;
}
void set_stream_manager(http_context& ctx, routes& r) {
hs::get_current_streams.set(r,
[] (std::unique_ptr<request> req) {
return streaming::get_stream_manager().map_reduce0([](streaming::stream_manager& stream) {
std::vector<hs::stream_state> res;
for (auto i : stream.get_initiated_streams()) {
res.push_back(get_state(*i.second.get()));
}
for (auto i : stream.get_receiving_streams()) {
res.push_back(get_state(*i.second.get()));
}
return res;
}, std::vector<hs::stream_state>(),concat<hs::stream_state>).
then([](const std::vector<hs::stream_state>& res) {
return make_ready_future<json::json_return_type>(res);
});
});
}
}