mirrors/scylladb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
e78746e94de0986553f749a088e638fd086d5802
scylladb/streaming/stream_session.cc
Avi Kivity 1b492396c1 stream_session.cc: trim unneeded includes 
stream_session.cc doesn't need storage_proxy, or sstables, or the
system keyspace. Remove them.

Closes #9230
2021-08-23 10:57:04 +03:00

628 lines
28 KiB
C++
Raw Blame History

/*
* 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.
*
* Modified by ScyllaDB
* Copyright (C) 2015-present ScyllaDB
*/
/*
* 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 "log.hh"
#include "message/messaging_service.hh"
#include "gms/gossiper.hh"
#include "streaming/stream_session.hh"
#include "streaming/prepare_message.hh"
#include "streaming/stream_result_future.hh"
#include "streaming/stream_manager.hh"
#include "mutation_reader.hh"
#include "dht/i_partitioner.hh"
#include "database.hh"
#include "utils/fb_utilities.hh"
#include "streaming/stream_plan.hh"
#include <seastar/core/sleep.hh>
#include <seastar/core/thread.hh>
#include "streaming/stream_state.hh"
#include "streaming/stream_session_state.hh"
#include "streaming/stream_exception.hh"
#include "service/priority_manager.hh"
#include "service/migration_manager.hh"
#include "query-request.hh"
#include "schema_registry.hh"
#include "mutation_writer/multishard_writer.hh"
#include "sstables/sstable_set.hh"
#include "db/view/view_update_checks.hh"
#include <boost/algorithm/cxx11/any_of.hpp>
#include <boost/range/adaptor/map.hpp>
#include "../db/view/view_update_generator.hh"
#include "mutation_source_metadata.hh"
#include "streaming/stream_mutation_fragments_cmd.hh"
#include "consumer.hh"
namespace streaming {
logging::logger sslog("stream_session");
static auto get_stream_result_future(utils::UUID plan_id) {
auto& sm = get_local_stream_manager();
auto f = sm.get_sending_stream(plan_id);
if (!f) {
f = sm.get_receiving_stream(plan_id);
}
return f;
}
static auto get_session(utils::UUID plan_id, gms::inet_address from, const char* verb, std::optional<utils::UUID> cf_id = {}) {
if (cf_id) {
sslog.debug("[Stream #{}] GOT {} from {}: cf_id={}", plan_id, verb, from, *cf_id);
} else {
sslog.debug("[Stream #{}] GOT {} from {}", plan_id, verb, from);
}
auto sr = get_stream_result_future(plan_id);
if (!sr) {
auto err = format("[Stream #{}] GOT {} from {}: Can not find stream_manager", plan_id, verb, from);
sslog.debug("{}", err.c_str());
throw std::runtime_error(err);
}
auto coordinator = sr->get_coordinator();
if (!coordinator) {
auto err = format("[Stream #{}] GOT {} from {}: Can not find coordinator", plan_id, verb, from);
sslog.debug("{}", err.c_str());
throw std::runtime_error(err);
}
return coordinator->get_or_create_session(from);
}
static sstables::offstrategy is_offstrategy_supported(streaming::stream_reason reason) {
static const std::unordered_set<streaming::stream_reason> operations_supported = {
streaming::stream_reason::bootstrap,
streaming::stream_reason::replace,
};
return sstables::offstrategy(operations_supported.contains(reason));
}
void stream_session::init_messaging_service_handler(netw::messaging_service& ms, shared_ptr<service::migration_manager> mm) {
ms.register_prepare_message([] (const rpc::client_info& cinfo, prepare_message msg, UUID plan_id, sstring description, rpc::optional<stream_reason> reason_opt) {
const auto& src_cpu_id = cinfo.retrieve_auxiliary<uint32_t>("src_cpu_id");
const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
auto dst_cpu_id = this_shard_id();
auto reason = reason_opt ? *reason_opt : stream_reason::unspecified;
return smp::submit_to(dst_cpu_id, [msg = std::move(msg), plan_id, description = std::move(description), from, src_cpu_id, dst_cpu_id, reason] () mutable {
auto sr = stream_result_future::init_receiving_side(plan_id, description, from);
auto session = get_session(plan_id, from, "PREPARE_MESSAGE");
session->init(sr);
session->dst_cpu_id = src_cpu_id;
session->set_reason(reason);
return session->prepare(std::move(msg.requests), std::move(msg.summaries));
});
});
ms.register_prepare_done_message([] (const rpc::client_info& cinfo, UUID plan_id, unsigned dst_cpu_id) {
const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
return smp::submit_to(dst_cpu_id, [plan_id, from] () mutable {
auto session = get_session(plan_id, from, "PREPARE_DONE_MESSAGE");
session->follower_start_sent();
return make_ready_future<>();
});
});
ms.register_stream_mutation_fragments([&ms, mm] (const rpc::client_info& cinfo, UUID plan_id, UUID schema_id, UUID cf_id, uint64_t estimated_partitions, rpc::optional<stream_reason> reason_opt, rpc::source<frozen_mutation_fragment, rpc::optional<stream_mutation_fragments_cmd>> source) {
auto from = netw::messaging_service::get_source(cinfo);
auto reason = reason_opt ? *reason_opt: stream_reason::unspecified;
sslog.trace("Got stream_mutation_fragments from {} reason {}", from, int(reason));
table& cf = get_local_db().find_column_family(cf_id);
if (!_sys_dist_ks->local_is_initialized() || !_view_update_generator->local_is_initialized()) {
return make_exception_future<rpc::sink<int>>(std::runtime_error(format("Node {} is not fully initialized for streaming, try again later",
utils::fb_utilities::get_broadcast_address())));
}
return mm->get_schema_for_write(schema_id, from, ms).then([from, estimated_partitions, plan_id, schema_id, &cf, source, reason] (schema_ptr s) mutable {
return get_local_db().obtain_reader_permit(cf, "stream-session", db::no_timeout).then([from, estimated_partitions, plan_id, schema_id, &cf, source, reason, s] (reader_permit permit) mutable {
auto sink = stream_session::ms().make_sink_for_stream_mutation_fragments(source);
struct stream_mutation_fragments_cmd_status {
bool got_cmd = false;
bool got_end_of_stream = false;
};
auto cmd_status = make_lw_shared<stream_mutation_fragments_cmd_status>();
auto get_next_mutation_fragment = [source, plan_id, from, s, cmd_status, permit] () mutable {
return source().then([plan_id, from, s, cmd_status, permit] (std::optional<std::tuple<frozen_mutation_fragment, rpc::optional<stream_mutation_fragments_cmd>>> opt) mutable {
if (opt) {
auto cmd = std::get<1>(*opt);
if (cmd) {
cmd_status->got_cmd = true;
switch (*cmd) {
case stream_mutation_fragments_cmd::mutation_fragment_data:
break;
case stream_mutation_fragments_cmd::error:
return make_exception_future<mutation_fragment_opt>(std::runtime_error("Sender failed"));
case stream_mutation_fragments_cmd::end_of_stream:
cmd_status->got_end_of_stream = true;
return make_ready_future<mutation_fragment_opt>();
default:
return make_exception_future<mutation_fragment_opt>(std::runtime_error("Sender sent wrong cmd"));
}
}
frozen_mutation_fragment& fmf = std::get<0>(*opt);
auto sz = fmf.representation().size();
auto mf = fmf.unfreeze(*s, permit);
streaming::get_local_stream_manager().update_progress(plan_id, from.addr, progress_info::direction::IN, sz);
return make_ready_future<mutation_fragment_opt>(std::move(mf));
} else {
// If the sender has sent stream_mutation_fragments_cmd it means it is
// a node that understands the new protocol. It must send end_of_stream
// before close the stream.
if (cmd_status->got_cmd && !cmd_status->got_end_of_stream) {
return make_exception_future<mutation_fragment_opt>(std::runtime_error("Sender did not sent end_of_stream"));
}
return make_ready_future<mutation_fragment_opt>();
}
});
};
//FIXME: discarded future.
(void)mutation_writer::distribute_reader_and_consume_on_shards(s,
make_generating_reader(s, permit, std::move(get_next_mutation_fragment)),
make_streaming_consumer("streaming", *_db, *_sys_dist_ks, *_view_update_generator, estimated_partitions, reason, is_offstrategy_supported(reason)),
cf.stream_in_progress()
).then_wrapped([s, plan_id, from, sink, estimated_partitions] (future<uint64_t> f) mutable {
int32_t status = 0;
uint64_t received_partitions = 0;
if (f.failed()) {
sslog.error("[Stream #{}] Failed to handle STREAM_MUTATION_FRAGMENTS (receive and distribute phase) for ks={}, cf={}, peer={}: {}",
plan_id, s->ks_name(), s->cf_name(), from.addr, f.get_exception());
status = -1;
} else {
received_partitions = f.get0();
}
if (received_partitions) {
sslog.info("[Stream #{}] Write to sstable for ks={}, cf={}, estimated_partitions={}, received_partitions={}",
plan_id, s->ks_name(), s->cf_name(), estimated_partitions, received_partitions);
}
return sink(status).finally([sink] () mutable {
return sink.close();
});
}).handle_exception([s, plan_id, from, sink] (std::exception_ptr ep) {
sslog.error("[Stream #{}] Failed to handle STREAM_MUTATION_FRAGMENTS (respond phase) for ks={}, cf={}, peer={}: {}",
plan_id, s->ks_name(), s->cf_name(), from.addr, ep);
});
return make_ready_future<rpc::sink<int>>(sink);
});
});
});
ms.register_stream_mutation_done([] (const rpc::client_info& cinfo, UUID plan_id, dht::token_range_vector ranges, UUID cf_id, unsigned dst_cpu_id) {
const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
return smp::submit_to(dst_cpu_id, [ranges = std::move(ranges), plan_id, cf_id, from] () mutable {
auto session = get_session(plan_id, from, "STREAM_MUTATION_DONE", cf_id);
session->receive_task_completed(cf_id);
});
});
ms.register_complete_message([] (const rpc::client_info& cinfo, UUID plan_id, unsigned dst_cpu_id, rpc::optional<bool> failed) {
const auto& from = cinfo.retrieve_auxiliary<gms::inet_address>("baddr");
if (failed && *failed) {
return smp::submit_to(dst_cpu_id, [plan_id, from, dst_cpu_id] () {
auto session = get_session(plan_id, from, "COMPLETE_MESSAGE");
sslog.debug("[Stream #{}] COMPLETE_MESSAGE with error flag from {} dst_cpu_id={}", plan_id, from, dst_cpu_id);
session->received_failed_complete_message();
return make_ready_future<>();
});
} else {
// Be compatible with old version. Do nothing but return a ready future.
sslog.debug("[Stream #{}] COMPLETE_MESSAGE from {} dst_cpu_id={}", plan_id, from, dst_cpu_id);
return make_ready_future<>();
}
});
}
future<> stream_session::uninit_messaging_service_handler(netw::messaging_service& ms) {
return when_all_succeed(
ms.unregister_prepare_message(),
ms.unregister_prepare_done_message(),
ms.unregister_stream_mutation_fragments(),
ms.unregister_stream_mutation_done(),
ms.unregister_complete_message()).discard_result();
}
distributed<database>* stream_session::_db;
distributed<db::system_distributed_keyspace>* stream_session::_sys_dist_ks;
distributed<db::view::view_update_generator>* stream_session::_view_update_generator;
sharded<netw::messaging_service>* stream_session::_messaging;
stream_session::stream_session() = default;
stream_session::stream_session(inet_address peer_)
: peer(peer_) {
//this.metrics = StreamingMetrics.get(connecting);
}
stream_session::~stream_session() = default;
future<> stream_session::init_streaming_service(distributed<database>& db, distributed<db::system_distributed_keyspace>& sys_dist_ks,
distributed<db::view::view_update_generator>& view_update_generator, sharded<netw::messaging_service>& ms, sharded<service::migration_manager>& mm) {
_db = &db;
_sys_dist_ks = &sys_dist_ks;
_view_update_generator = &view_update_generator;
_messaging = &ms;
// #293 - do not stop anything
// engine().at_exit([] {
// return get_stream_manager().stop();
// });
return get_stream_manager().start().then([&ms, &mm] {
gms::get_local_gossiper().register_(get_local_stream_manager().shared_from_this());
return ms.invoke_on_all([&mm] (netw::messaging_service& ms) { init_messaging_service_handler(ms, mm.local().shared_from_this()); });
});
}
future<> stream_session::uninit_streaming_service() {
return _messaging->invoke_on_all([] (netw::messaging_service& ms) {
return uninit_messaging_service_handler(ms);
});
}
future<> stream_session::on_initialization_complete() {
// send prepare message
set_state(stream_session_state::PREPARING);
auto prepare = prepare_message();
std::copy(_requests.begin(), _requests.end(), std::back_inserter(prepare.requests));
for (auto& x : _transfers) {
prepare.summaries.emplace_back(x.second.get_summary());
}
auto id = msg_addr{this->peer, 0};
sslog.debug("[Stream #{}] SEND PREPARE_MESSAGE to {}", plan_id(), id);
return ms().send_prepare_message(id, std::move(prepare), plan_id(), description(), get_reason()).then_wrapped([this, id] (auto&& f) {
try {
auto msg = f.get0();
sslog.debug("[Stream #{}] GOT PREPARE_MESSAGE Reply from {}", this->plan_id(), this->peer);
this->dst_cpu_id = msg.dst_cpu_id;
for (auto& summary : msg.summaries) {
this->prepare_receiving(summary);
}
if (_stream_result) {
_stream_result->handle_session_prepared(this->shared_from_this());
}
} catch (...) {
sslog.warn("[Stream #{}] Fail to send PREPARE_MESSAGE to {}, {}", this->plan_id(), id, std::current_exception());
throw;
}
return make_ready_future<>();
}).then([this, id] {
auto plan_id = this->plan_id();
sslog.debug("[Stream #{}] SEND PREPARE_DONE_MESSAGE to {}", plan_id, id);
return ms().send_prepare_done_message(id, plan_id, this->dst_cpu_id).then([this] {
sslog.debug("[Stream #{}] GOT PREPARE_DONE_MESSAGE Reply from {}", this->plan_id(), this->peer);
}).handle_exception([id, plan_id] (auto ep) {
sslog.warn("[Stream #{}] Fail to send PREPARE_DONE_MESSAGE to {}, {}", plan_id, id, ep);
std::rethrow_exception(ep);
});
}).then([this] {
sslog.debug("[Stream #{}] Initiator starts to sent", this->plan_id());
this->start_streaming_files();
});
}
void stream_session::received_failed_complete_message() {
sslog.info("[Stream #{}] Received failed complete message, peer={}", plan_id(), peer);
_received_failed_complete_message = true;
close_session(stream_session_state::FAILED);
}
void stream_session::abort() {
if (sslog.is_enabled(logging::log_level::debug)) {
sslog.debug("[Stream #{}] Aborted stream session={}, peer={}, is_initialized={}", plan_id(), fmt::ptr(this), peer, is_initialized());
} else {
sslog.info("[Stream #{}] Aborted stream session, peer={}, is_initialized={}", plan_id(), peer, is_initialized());
}
close_session(stream_session_state::FAILED);
}
void stream_session::on_error() {
sslog.warn("[Stream #{}] Streaming error occurred, peer={}", plan_id(), peer);
close_session(stream_session_state::FAILED);
}
// Only follower calls this function upon receiving of prepare_message from initiator
future<prepare_message> stream_session::prepare(std::vector<stream_request> requests, std::vector<stream_summary> summaries) {
auto plan_id = this->plan_id();
sslog.debug("[Stream #{}] prepare requests nr={}, summaries nr={}", plan_id, requests.size(), summaries.size());
// prepare tasks
set_state(stream_session_state::PREPARING);
auto& db = get_local_db();
for (auto& request : requests) {
// always flush on stream request
sslog.debug("[Stream #{}] prepare stream_request={}", plan_id, request);
auto ks = request.keyspace;
// Make sure cf requested by peer node exists
for (auto& cf : request.column_families) {
try {
db.find_column_family(ks, cf);
} catch (no_such_column_family&) {
auto err = format("[Stream #{}] prepare requested ks={} cf={} does not exist", plan_id, ks, cf);
sslog.warn("{}", err.c_str());
throw std::runtime_error(err);
}
}
add_transfer_ranges(request.keyspace, request.ranges, request.column_families);
}
for (auto& summary : summaries) {
sslog.debug("[Stream #{}] prepare stream_summary={}", plan_id, summary);
auto cf_id = summary.cf_id;
// Make sure cf the peer node will send to us exists
try {
db.find_column_family(cf_id);
} catch (no_such_column_family&) {
auto err = format("[Stream #{}] prepare cf_id={} does not exist", plan_id, cf_id);
sslog.warn("{}", err.c_str());
throw std::runtime_error(err);
}
prepare_receiving(summary);
}
// Always send a prepare_message back to follower
prepare_message prepare;
if (!requests.empty()) {
for (auto& x: _transfers) {
auto& task = x.second;
prepare.summaries.emplace_back(task.get_summary());
}
}
prepare.dst_cpu_id = this_shard_id();
if (_stream_result) {
_stream_result->handle_session_prepared(shared_from_this());
}
return make_ready_future<prepare_message>(std::move(prepare));
}
void stream_session::follower_start_sent() {
sslog.debug("[Stream #{}] Follower start to sent", this->plan_id());
this->start_streaming_files();
}
session_info stream_session::make_session_info() {
std::vector<stream_summary> receiving_summaries;
for (auto& receiver : _receivers) {
receiving_summaries.emplace_back(receiver.second.get_summary());
}
std::vector<stream_summary> transfer_summaries;
for (auto& transfer : _transfers) {
transfer_summaries.emplace_back(transfer.second.get_summary());
}
return session_info(peer, std::move(receiving_summaries), std::move(transfer_summaries), _state);
}
void stream_session::receive_task_completed(UUID cf_id) {
_receivers.erase(cf_id);
sslog.debug("[Stream #{}] receive task_completed: cf_id={} done, stream_receive_task.size={} stream_transfer_task.size={}",
plan_id(), cf_id, _receivers.size(), _transfers.size());
maybe_completed();
}
void stream_session::transfer_task_completed(UUID cf_id) {
_transfers.erase(cf_id);
sslog.debug("[Stream #{}] transfer task_completed: cf_id={} done, stream_receive_task.size={} stream_transfer_task.size={}",
plan_id(), cf_id, _receivers.size(), _transfers.size());
maybe_completed();
}
void stream_session::transfer_task_completed_all() {
_transfers.clear();
sslog.debug("[Stream #{}] transfer task_completed: all done, stream_receive_task.size={} stream_transfer_task.size={}",
plan_id(), _receivers.size(), _transfers.size());
maybe_completed();
}
void stream_session::send_failed_complete_message() {
if (!is_initialized()) {
return;
}
auto plan_id = this->plan_id();
if (_received_failed_complete_message) {
sslog.debug("[Stream #{}] Skip sending failed message back to peer", plan_id);
return;
}
if (!_complete_sent) {
_complete_sent = true;
} else {
return;
}
auto id = msg_addr{this->peer, this->dst_cpu_id};
sslog.debug("[Stream #{}] SEND COMPLETE_MESSAGE to {}", plan_id, id);
auto session = shared_from_this();
bool failed = true;
//FIXME: discarded future.
(void)this->ms().send_complete_message(id, plan_id, this->dst_cpu_id, failed).then([session, id, plan_id] {
sslog.debug("[Stream #{}] GOT COMPLETE_MESSAGE Reply from {}", plan_id, id.addr);
}).handle_exception([session, id, plan_id] (auto ep) {
sslog.debug("[Stream #{}] COMPLETE_MESSAGE for {} has failed: {}", plan_id, id.addr, ep);
});
}
bool stream_session::maybe_completed() {
bool completed = _receivers.empty() && _transfers.empty();
if (completed) {
sslog.debug("[Stream #{}] maybe_completed: {} -> COMPLETE: session={}, peer={}", plan_id(), _state, fmt::ptr(this), peer);
close_session(stream_session_state::COMPLETE);
}
return completed;
}
void stream_session::prepare_receiving(stream_summary& summary) {
if (summary.files > 0) {
// FIXME: handle when cf_id already exists
_receivers.emplace(summary.cf_id, stream_receive_task(shared_from_this(), summary.cf_id, summary.files, summary.total_size));
}
}
void stream_session::start_streaming_files() {
sslog.debug("[Stream #{}] {}: {} transfers to send", plan_id(), __func__, _transfers.size());
if (!_transfers.empty()) {
set_state(stream_session_state::STREAMING);
}
//FIXME: discarded future.
(void)do_for_each(_transfers.begin(), _transfers.end(), [this] (auto& item) {
sslog.debug("[Stream #{}] Start to send cf_id={}", this->plan_id(), item.first);
return item.second.execute();
}).then([this] {
this->transfer_task_completed_all();
}).handle_exception([this] (auto ep) {
sslog.warn("[Stream #{}] Failed to send: {}", this->plan_id(), ep);
this->on_error();
});
}
std::vector<column_family*> stream_session::get_column_family_stores(const sstring& keyspace, const std::vector<sstring>& column_families) {
// if columnfamilies are not specified, we add all cf under the keyspace
std::vector<column_family*> stores;
auto& db = get_local_db();
if (column_families.empty()) {
for (auto& x : db.get_column_families()) {
column_family& cf = *(x.second);
auto cf_name = cf.schema()->cf_name();
auto ks_name = cf.schema()->ks_name();
if (ks_name == keyspace) {
sslog.debug("Find ks={} cf={}", ks_name, cf_name);
stores.push_back(&cf);
}
}
} else {
// TODO: We can move this to database class and use shared_ptr<column_family> instead
for (auto& cf_name : column_families) {
try {
auto& x = db.find_column_family(keyspace, cf_name);
stores.push_back(&x);
} catch (no_such_column_family&) {
sslog.warn("stream_session: {}.{} does not exist: {}\n", keyspace, cf_name, std::current_exception());
continue;
}
}
}
return stores;
}
void stream_session::add_transfer_ranges(sstring keyspace, dht::token_range_vector ranges, std::vector<sstring> column_families) {
auto cfs = get_column_family_stores(keyspace, column_families);
for (auto& cf : cfs) {
auto cf_id = cf->schema()->id();
auto it = _transfers.find(cf_id);
if (it == _transfers.end()) {
stream_transfer_task task(shared_from_this(), cf_id, ranges);
auto inserted = _transfers.emplace(cf_id, std::move(task)).second;
assert(inserted);
} else {
it->second.append_ranges(ranges);
}
}
}
future<> stream_session::receiving_failed(UUID cf_id)
{
return make_ready_future<>();
}
void stream_session::close_session(stream_session_state final_state) {
sslog.debug("[Stream #{}] close_session session={}, state={}, is_aborted={}", plan_id(), fmt::ptr(this), final_state, _is_aborted);
if (!_is_aborted) {
_is_aborted = true;
set_state(final_state);
if (final_state == stream_session_state::FAILED) {
for (auto& x : _transfers) {
stream_transfer_task& task = x.second;
sslog.debug("[Stream #{}] close_session session={}, state={}, abort stream_transfer_task cf_id={}", plan_id(), fmt::ptr(this), final_state, task.cf_id);
task.abort();
}
for (auto& x : _receivers) {
stream_receive_task& task = x.second;
sslog.debug("[Stream #{}] close_session session={}, state={}, abort stream_receive_task cf_id={}", plan_id(), fmt::ptr(this), final_state, task.cf_id);
//FIXME: discarded future.
(void)receiving_failed(x.first);
task.abort();
}
send_failed_complete_message();
}
// Note that we shouldn't block on this close because this method is called on the handler
// incoming thread (so we would deadlock).
//handler.close();
if (_stream_result) {
_stream_result->handle_session_complete(shared_from_this());
}
sslog.debug("[Stream #{}] close_session session={}, state={}", plan_id(), fmt::ptr(this), final_state);
}
}
void stream_session::start() {
if (_requests.empty() && _transfers.empty()) {
sslog.info("[Stream #{}] Session does not have any tasks.", plan_id());
close_session(stream_session_state::COMPLETE);
return;
}
auto connecting = ms().get_preferred_ip(peer);
if (peer == connecting) {
sslog.debug("[Stream #{}] Starting streaming to {}", plan_id(), peer);
} else {
sslog.debug("[Stream #{}] Starting streaming to {} through {}", plan_id(), peer, connecting);
}
//FIXME: discarded future.
(void)on_initialization_complete().handle_exception([this] (auto ep) {
this->on_error();
});
}
bool stream_session::is_initialized() const {
return bool(_stream_result);
}
void stream_session::init(shared_ptr<stream_result_future> stream_result_) {
_stream_result = stream_result_;
}
utils::UUID stream_session::plan_id() const {
return _stream_result ? _stream_result->plan_id : UUID();
}
sstring stream_session::description() const {
return _stream_result ? _stream_result->description : "";
}
future<> stream_session::update_progress() {
return get_local_stream_manager().get_progress_on_all_shards(plan_id(), peer).then([this] (auto sbytes) {
auto bytes_sent = sbytes.bytes_sent;
if (bytes_sent > 0) {
auto tx = progress_info(this->peer, "txnofile", progress_info::direction::OUT, bytes_sent, bytes_sent);
_session_info.update_progress(std::move(tx));
}
auto bytes_received = sbytes.bytes_received;
if (bytes_received > 0) {
auto rx = progress_info(this->peer, "rxnofile", progress_info::direction::IN, bytes_received, bytes_received);
_session_info.update_progress(std::move(rx));
}
});
}
} // namespace streaming
Reference in New Issue View Git Blame Copy Permalink