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Refactor namespaces part 1 (#817)

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Part 1 of refactoring effort
This commit is contained in:
Peter Chen
2023-08-10 13:05:13 -04:00
committed by GitHub
parent db4046e02a
commit 23442ff1a7
195 changed files with 964 additions and 888 deletions
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src/data/cassandra/SettingsProvider.cpp Normal file
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//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2023, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <data/cassandra/SettingsProvider.h>
#include <data/cassandra/impl/Cluster.h>
#include <data/cassandra/impl/Statement.h>
#include <util/config/Config.h>
#include <boost/json.hpp>
#include <fstream>
#include <string>
#include <thread>
namespace data::cassandra {
namespace detail {
inline Settings::ContactPoints
tag_invoke(boost::json::value_to_tag<Settings::ContactPoints>, boost::json::value const& value)
{
if (not value.is_object())
throw std::runtime_error(
"Feed entire Cassandra section to parse "
"Settings::ContactPoints instead");
util::Config obj{value};
Settings::ContactPoints out;
out.contactPoints = obj.valueOrThrow<std::string>("contact_points", "`contact_points` must be a string");
out.port = obj.maybeValue<uint16_t>("port");
return out;
}
inline Settings::SecureConnectionBundle
tag_invoke(boost::json::value_to_tag<Settings::SecureConnectionBundle>, boost::json::value const& value)
{
if (not value.is_string())
throw std::runtime_error("`secure_connect_bundle` must be a string");
return Settings::SecureConnectionBundle{value.as_string().data()};
}
} // namespace detail
SettingsProvider::SettingsProvider(util::Config const& cfg, uint16_t ttl)
: config_{cfg}
, keyspace_{cfg.valueOr<std::string>("keyspace", "clio")}
, tablePrefix_{cfg.maybeValue<std::string>("table_prefix")}
, replicationFactor_{cfg.valueOr<uint16_t>("replication_factor", 3)}
, ttl_{ttl}
, settings_{parseSettings()}
{
}
Settings
SettingsProvider::getSettings() const
{
return settings_;
}
std::optional<std::string>
SettingsProvider::parseOptionalCertificate() const
{
if (auto const certPath = config_.maybeValue<std::string>("certfile"); certPath)
{
auto const path = std::filesystem::path(*certPath);
std::ifstream fileStream(path.string(), std::ios::in);
if (!fileStream)
{
throw std::system_error(errno, std::generic_category(), "Opening certificate " + path.string());
}
std::string contents(std::istreambuf_iterator<char>{fileStream}, std::istreambuf_iterator<char>{});
if (fileStream.bad())
{
throw std::system_error(errno, std::generic_category(), "Reading certificate " + path.string());
}
return contents;
}
return std::nullopt;
}
Settings
SettingsProvider::parseSettings() const
{
auto settings = Settings::defaultSettings();
if (auto const bundle = config_.maybeValue<Settings::SecureConnectionBundle>("secure_connect_bundle"); bundle)
{
settings.connectionInfo = *bundle;
}
else
{
settings.connectionInfo =
config_.valueOrThrow<Settings::ContactPoints>("Missing contact_points in Cassandra config");
}
settings.threads = config_.valueOr<uint32_t>("threads", settings.threads);
settings.maxWriteRequestsOutstanding =
config_.valueOr<uint32_t>("max_write_requests_outstanding", settings.maxWriteRequestsOutstanding);
settings.maxReadRequestsOutstanding =
config_.valueOr<uint32_t>("max_read_requests_outstanding", settings.maxReadRequestsOutstanding);
settings.maxConnectionsPerHost =
config_.valueOr<uint32_t>("max_connections_per_host", settings.maxConnectionsPerHost);
settings.coreConnectionsPerHost =
config_.valueOr<uint32_t>("core_connections_per_host", settings.coreConnectionsPerHost);
settings.maxConcurrentRequestsThreshold = config_.valueOr<uint32_t>(
"max_concurrent_requests_threshold",
(settings.maxReadRequestsOutstanding + settings.maxWriteRequestsOutstanding) / settings.coreConnectionsPerHost);
settings.queueSizeIO = config_.maybeValue<uint32_t>("queue_size_io");
settings.queueSizeEvent = config_.maybeValue<uint32_t>("queue_size_event");
settings.writeBytesHighWatermark = config_.maybeValue<uint32_t>("write_bytes_high_water_mark");
settings.writeBytesLowWatermark = config_.maybeValue<uint32_t>("write_bytes_low_water_mark");
settings.pendingRequestsHighWatermark = config_.maybeValue<uint32_t>("pending_requests_high_water_mark");
settings.pendingRequestsLowWatermark = config_.maybeValue<uint32_t>("pending_requests_low_water_mark");
settings.maxRequestsPerFlush = config_.maybeValue<uint32_t>("max_requests_per_flush");
settings.maxConcurrentCreation = config_.maybeValue<uint32_t>("max_concurrent_creation");
auto const connectTimeoutSecond = config_.maybeValue<uint32_t>("connect_timeout");
if (connectTimeoutSecond)
settings.connectionTimeout = std::chrono::milliseconds{*connectTimeoutSecond * 1000};
auto const requestTimeoutSecond = config_.maybeValue<uint32_t>("request_timeout");
if (requestTimeoutSecond)
settings.requestTimeout = std::chrono::milliseconds{*requestTimeoutSecond * 1000};
settings.certificate = parseOptionalCertificate();
settings.username = config_.maybeValue<std::string>("username");
settings.password = config_.maybeValue<std::string>("password");
return settings;
}
} // namespace data::cassandra