b27201bd56
It is needed for db.get_version(). I really hated to pass &db everywhere If we had a global helper function like get_local_db(), life will be much easier.
216 lines
8.9 KiB
C++
216 lines
8.9 KiB
C++
/*
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* Copyright 2014 Cloudius Systems
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*/
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#include "database.hh"
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#include "core/app-template.hh"
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#include "core/distributed.hh"
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#include "thrift/server.hh"
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#include "transport/server.hh"
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#include "http/httpd.hh"
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#include "api/api.hh"
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#include "db/config.hh"
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#include "service/storage_service.hh"
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#include "service/migration_manager.hh"
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#include "streaming/stream_session.hh"
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#include "db/system_keyspace.hh"
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#include "utils/runtime.hh"
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#include "dns.hh"
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#include "log.hh"
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#include "debug.hh"
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#include "init.hh"
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#include <cstdio>
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namespace bpo = boost::program_options;
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static future<>
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read_config(bpo::variables_map& opts, db::config& cfg) {
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if (opts.count("options-file") == 0) {
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return make_ready_future<>();
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}
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return cfg.read_from_file(opts["options-file"].as<sstring>());
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}
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static void do_help_loggers() {
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print("Available loggers:\n");
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for (auto&& name : logging::logger_registry().get_all_logger_names()) {
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print(" %s\n", name);
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}
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}
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static logging::log_level to_loglevel(sstring level) {
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try {
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return boost::lexical_cast<logging::log_level>(std::string(level));
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} catch(boost::bad_lexical_cast e) {
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throw std::runtime_error("Unknown log level '" + level + "'");
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}
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}
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static void apply_logger_settings(sstring default_level, db::config::string_map levels,
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bool log_to_stdout, bool log_to_syslog) {
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logging::logger_registry().set_all_loggers_level(to_loglevel(default_level));
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for (auto&& kv: levels) {
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auto&& k = kv.first;
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auto&& v = kv.second;
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try {
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logging::logger_registry().set_logger_level(k, to_loglevel(v));
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} catch(std::out_of_range e) {
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throw std::runtime_error("Unknown logger '" + k + "'. Use --help-loggers to list available loggers.");
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}
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}
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logging::logger::set_stdout_enabled(log_to_stdout);
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logging::logger::set_syslog_enabled(log_to_syslog);
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}
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logging::logger startlog("init");
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int main(int ac, char** av) {
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runtime::init_uptime();
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std::setvbuf(stdout, nullptr, _IOLBF, 1000);
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app_template app;
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auto opt_add = app.add_options();
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auto cfg = make_lw_shared<db::config>();
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bool help_loggers = false;
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cfg->add_options(opt_add)
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("api-address", bpo::value<sstring>(), "Http Rest API address")
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("api-port", bpo::value<uint16_t>()->default_value(10000), "Http Rest API port")
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("api-dir", bpo::value<sstring>()->default_value("swagger-ui/dist/"),
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"The directory location of the API GUI")
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// TODO : default, always read?
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("options-file", bpo::value<sstring>(), "cassandra.yaml file to read options from")
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("help-loggers", bpo::bool_switch(&help_loggers), "print a list of logger names and exit")
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;
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distributed<database> db;
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debug::db = &db;
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distributed<cql3::query_processor> qp;
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auto& proxy = service::get_storage_proxy();
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auto& mm = service::get_migration_manager();
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api::http_context ctx(db, proxy);
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return app.run(ac, av, [&] {
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if (help_loggers) {
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do_help_loggers();
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engine().exit(1);
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return make_ready_future<>();
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}
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auto&& opts = app.configuration();
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return read_config(opts, *cfg).then([&cfg, &db, &qp, &proxy, &mm, &ctx, &opts]() {
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apply_logger_settings(cfg->default_log_level(), cfg->logger_log_level(),
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cfg->log_to_stdout(), cfg->log_to_syslog());
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dht::set_global_partitioner(cfg->partitioner());
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uint16_t thrift_port = cfg->rpc_port();
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uint16_t cql_port = cfg->native_transport_port();
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uint16_t api_port = opts["api-port"].as<uint16_t>();
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ctx.api_dir = opts["api-dir"].as<sstring>();
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sstring listen_address = cfg->listen_address();
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sstring rpc_address = cfg->rpc_address();
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sstring api_address = opts.count("api-address") ? opts["api-address"].as<sstring>() : rpc_address;
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auto seed_provider= cfg->seed_provider();
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using namespace locator;
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return i_endpoint_snitch::create_snitch(cfg->endpoint_snitch()).then([] {
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engine().at_exit([] { return i_endpoint_snitch::stop_snitch(); });
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}).then([&db] {
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return init_storage_service(db);
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}).then([&db, cfg] {
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return db.start(std::move(*cfg)).then([&db] {
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engine().at_exit([&db] { return db.stop(); });
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});
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}).then([listen_address, seed_provider] {
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return init_ms_fd_gossiper(listen_address, seed_provider);
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}).then([&db] {
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return streaming::stream_session::init_streaming_service(db);
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}).then([&proxy, &db] {
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return proxy.start(std::ref(db)).then([&proxy] {
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engine().at_exit([&proxy] { return proxy.stop(); });
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});
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}).then([&mm] {
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return mm.start().then([&mm] {
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engine().at_exit([&mm] { return mm.stop(); });
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});
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}).then([&db, &proxy, &qp] {
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return qp.start(std::ref(proxy), std::ref(db)).then([&qp] {
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engine().at_exit([&qp] { return qp.stop(); });
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});
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}).then([&db] {
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return parallel_for_each(db.local().get_config().data_file_directories(), [] (sstring datadir) {
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return recursive_touch_directory(datadir).then_wrapped([datadir] (future<> f) {
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try {
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f.get();
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} catch (std::system_error& e) {
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startlog.error("Directory '{}' not found. Tried to created it but failed: {}", datadir, e.what());
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throw;
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}
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});
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});
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}).then([&db] {
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sstring commitlog = db.local().get_config().commitlog_directory();
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return recursive_touch_directory(commitlog).then_wrapped([commitlog] (future<> f) {
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try {
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f.get();
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} catch (std::system_error& e) {
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startlog.error("commitlog directory '{}' not found. Tried to created it but failed: {}", commitlog, e.what());
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throw;
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}
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});
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}).then([&db] {
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return db.invoke_on_all([] (database& db) {
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return db.init_system_keyspace();
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});
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}).then([&db, &proxy] {
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return db.invoke_on_all([&proxy] (database& db) {
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return db.load_sstables(proxy);
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});
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}).then([&db, &qp] {
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return db::system_keyspace::setup(db, qp);
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}).then([] {
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auto& ss = service::get_local_storage_service();
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return ss.init_server();
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}).then([rpc_address] {
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return dns::gethostbyname(rpc_address);
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}).then([&db, &proxy, &qp, rpc_address, cql_port, thrift_port] (dns::hostent e) {
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auto ip = e.addresses[0].in.s_addr;
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auto cserver = new distributed<cql_server>;
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cserver->start(std::ref(proxy), std::ref(qp)).then([server = std::move(cserver), cql_port, rpc_address, ip] () mutable {
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engine().at_exit([server] {
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return server->stop();
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});
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server->invoke_on_all(&cql_server::listen, ipv4_addr{ip, cql_port});
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}).then([rpc_address, cql_port] {
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print("CQL server listening on %s:%s ...\n", rpc_address, cql_port);
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});
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auto tserver = new distributed<thrift_server>;
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tserver->start(std::ref(db)).then([server = std::move(tserver), thrift_port, rpc_address, ip] () mutable {
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engine().at_exit([server] {
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return server->stop();
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});
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server->invoke_on_all(&thrift_server::listen, ipv4_addr{ip, thrift_port});
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}).then([rpc_address, thrift_port] {
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print("Thrift server listening on %s:%s ...\n", rpc_address, thrift_port);
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});
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}).then([api_address] {
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return dns::gethostbyname(api_address);
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}).then([&db, api_address, api_port, &ctx] (dns::hostent e){
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auto ip = e.addresses[0].in.s_addr;
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ctx.http_server.start().then([api_address, api_port, ip, &ctx] {
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return set_server(ctx);
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}).then([api_address, api_port, ip, &ctx] {
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ctx.http_server.listen(ipv4_addr{ip, api_port});
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}).then([api_address, api_port] {
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print("Seastar HTTP server listening on %s:%s ...\n", api_address, api_port);
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});
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});
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}).or_terminate();
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});
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}
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namespace debug {
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seastar::sharded<database>* db;
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}
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