#include "DataMgr/ForeignStorage/ForeignStorageInterface.h"
#include "ThriftHandler/DBHandler.h"
#include <thrift/concurrency/PlatformThreadFactory.h>
#include <thrift/concurrency/ThreadManager.h>
#include <thrift/protocol/TBinaryProtocol.h>
#include <thrift/server/TThreadedServer.h>
#include <thrift/transport/TBufferTransports.h>
#include <thrift/transport/THttpServer.h>
#include <thrift/transport/TSSLServerSocket.h>
#include <thrift/transport/TSSLSocket.h>
#include <thrift/transport/TServerSocket.h>
#include "Shared/ThriftJSONProtocolInclude.h"
#include "Logger/Logger.h"
#include "Shared/SystemParameters.h"
#include "Shared/file_delete.h"
#include "Shared/heavyai_shared_mutex.h"
#include "Shared/scope.h"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/filesystem.hpp>
#include <boost/locale/generator.hpp>
#include <boost/make_shared.hpp>
#include <boost/program_options.hpp>
#include <csignal>
#include <cstdlib>
#include <sstream>
#include <thread>
#include <vector>
#include "MapDRelease.h"
#include "MigrationMgr/MigrationMgr.h"
#include "Shared/Compressor.h"
#include "ThriftHandler/ForeignTableRefreshScheduler.h"

Include dependency graph for HeavyDB.cpp:

Namespaces
	anonymous_namespace{HeavyDB.cpp}

Functions
void	anonymous_namespace{HeavyDB.cpp}::register_signal_handler (int signum, void(*handler)(int))

void	anonymous_namespace{HeavyDB.cpp}::heavydb_signal_handler (int signum)

void	anonymous_namespace{HeavyDB.cpp}::register_signal_handlers ()

void	start_server (std::shared_ptr< TThreadedServer > server, const int port)

void	releaseWarmupSession (TSessionId &sessionId, std::ifstream &query_file) noexcept

void	run_warmup_queries (std::shared_ptr< DBHandler > handler, std::string base_path, std::string query_file_path)

void	thrift_stop ()

void	heartbeat ()

int	startHeavyDBServer (CommandLineOptions &prog_config_opts, bool start_http_server=true)

int	main (int argc, char **argv)

Variables
bool	g_enable_thrift_logs

std::atomic< bool >	g_running {true}

bool	g_enable_http_binary_server

std::atomic< int >	anonymous_namespace{HeavyDB.cpp}::g_saw_signal {-1}

std::shared_ptr< TThreadedServer >	anonymous_namespace{HeavyDB.cpp}::g_thrift_http_server

std::shared_ptr< TThreadedServer >	anonymous_namespace{HeavyDB.cpp}::g_thrift_http_binary_server

std::shared_ptr< TThreadedServer >	anonymous_namespace{HeavyDB.cpp}::g_thrift_tcp_server

std::shared_ptr< DBHandler >	anonymous_namespace{HeavyDB.cpp}::g_warmup_handler

std::shared_ptr< DBHandler >	anonymous_namespace{HeavyDB.cpp}::g_db_handler

bool	g_enable_fsi

Function Documentation

void heartbeat ( )

Definition at line 310 of file HeavyDB.cpp.

References g_running, anonymous_namespace{HeavyDB.cpp}::g_saw_signal, logger::INFO, LOG, run_benchmark_import::result, logger::shutdown(), thrift_stop(), and VLOG.

Referenced by startHeavyDBServer().

                  {
 #ifndef _WIN32
   // Block all signals for this heartbeat thread, only.
   sigset_t set;
   sigfillset(&set);
   int result = pthread_sigmask(SIG_BLOCK, &set, NULL);
   if (result != 0) {
     throw std::runtime_error("heartbeat() thread startup failed");
   }
 #endif
 
   // Sleep until heavydb_signal_handler or anything clears the g_running flag.
   VLOG(1) << "heartbeat thread starting";
   while (::g_running) {
     using namespace std::chrono;
     std::this_thread::sleep_for(1s);
   }
   VLOG(1) << "heartbeat thread exiting";
 
   // Get the signal number if there was a signal.
   int signum = g_saw_signal;
   if (signum >= 1 && signum != SIGTERM) {
     LOG(INFO) << "Interrupt signal (" << signum << ") received.";
   }
 
   // If dumping core, try to do some quick stuff.
   if (signum == SIGABRT || signum == SIGSEGV || signum == SIGFPE
 #ifndef _WIN32
       || signum == SIGQUIT
 #endif
   ) {
     // Need to shut down calcite.
     if (auto db_handler = g_db_handler; db_handler) {
       db_handler->emergency_shutdown();
     }
     // Need to flush the logs for debugging.
     logger::shutdown();
     return;
     // Core dump should begin soon after this. See heavydb_signal_handler().
     // We leave the rest of the server process as is for the core dump image.
   }
 
   // Stopping the Thrift thread(s) will allow main() to return.
   thrift_stop();
 }

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int main	(	int	argc,
		char **	argv
	)

Definition at line 619 of file HeavyDB.cpp.

References CommandLineOptions::parse_command_line(), startHeavyDBServer(), CommandLineOptions::validate(), and CommandLineOptions::validate_base_path().

                                 {
   bool has_clust_topo = false;
 
   CommandLineOptions prog_config_opts(argv[0], has_clust_topo);
 
   try {
     if (auto return_code =
             prog_config_opts.parse_command_line(argc, argv, !has_clust_topo)) {
       return *return_code;
     }
 
     if (!has_clust_topo) {
       prog_config_opts.validate_base_path();
       prog_config_opts.validate();
       return (startHeavyDBServer(prog_config_opts));
     }
   } catch (std::runtime_error& e) {
     std::cerr << "Server Error: " << e.what() << std::endl;
     return 1;
   } catch (boost::program_options::error& e) {
     std::cerr << "Usage Error: " << e.what() << std::endl;
     return 1;
   }
 }

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void releaseWarmupSession	(	TSessionId &	sessionId,
		std::ifstream &	query_file
	)

noexcept

Definition at line 194 of file HeavyDB.cpp.

References logger::ERROR, and LOG.

Referenced by run_warmup_queries().

                                                                                    {
   query_file.close();
   if (sessionId != g_warmup_handler->getInvalidSessionId()) {
     try {
       g_warmup_handler->disconnect(sessionId);
     } catch (...) {
       LOG(ERROR) << "Failed to disconnect warmup session, possible failure to run warmup "
                     "queries.";
     }
   }
 }

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void run_warmup_queries	(	std::shared_ptr< DBHandler >	handler,
		std::string	base_path,
		std::string	query_file_path
	)

Definition at line 206 of file HeavyDB.cpp.

References logger::INFO, LOG, releaseWarmupSession(), and logger::WARNING.

Referenced by startHeavyDBServer().

                                                    {
   // run warmup queries to load cache if requested
   if (query_file_path.empty()) {
     return;
   }
   if (handler->isAggregator()) {
     LOG(INFO) << "Skipping warmup query execution on the aggregator, queries should be "
                  "run directly on the leaf nodes.";
     return;
   }
 
   LOG(INFO) << "Running DB warmup with queries from " << query_file_path;
   try {
     g_warmup_handler = handler;
     std::string db_info;
     std::string user_keyword, user_name, db_name;
     std::ifstream query_file;
     Catalog_Namespace::UserMetadata user;
     Catalog_Namespace::DBMetadata db;
     TSessionId sessionId = g_warmup_handler->getInvalidSessionId();
 
     ScopeGuard session_guard = [&] { releaseWarmupSession(sessionId, query_file); };
     query_file.open(query_file_path);
     while (std::getline(query_file, db_info)) {
       if (db_info.length() == 0) {
         continue;
       }
       std::istringstream iss(db_info);
       iss >> user_keyword >> user_name >> db_name;
       if (user_keyword.compare(0, 4, "USER") == 0) {
         // connect to DB for given user_name/db_name with super_user_rights (without
         // password), & start session
         g_warmup_handler->super_user_rights_ = true;
         g_warmup_handler->connect(sessionId, user_name, "", db_name);
         g_warmup_handler->super_user_rights_ = false;
 
         // read and run one query at a time for the DB with the setup connection
         TQueryResult ret;
         std::string single_query;
         while (std::getline(query_file, single_query)) {
           boost::algorithm::trim(single_query);
           if (single_query.length() == 0 || single_query[0] == '-') {
             continue;
           }
           if (single_query[0] == '}') {
             single_query.clear();
             break;
           }
           if (single_query.find(';') == single_query.npos) {
             std::string multiline_query;
             std::getline(query_file, multiline_query, ';');
             single_query += multiline_query;
           }
 
           try {
             g_warmup_handler->sql_execute(ret, sessionId, single_query, true, "", -1, -1);
           } catch (...) {
             LOG(WARNING) << "Exception while executing '" << single_query
                          << "', ignoring";
           }
           single_query.clear();
         }
 
         // stop session and disconnect from the DB
         g_warmup_handler->disconnect(sessionId);
         sessionId = g_warmup_handler->getInvalidSessionId();
       } else {
         LOG(WARNING) << "\nSyntax error in the file: " << query_file_path.c_str()
                      << " Missing expected keyword USER. Following line will be ignored: "
                      << db_info.c_str() << std::endl;
       }
       db_info.clear();
     }
   } catch (const std::exception& e) {
     LOG(WARNING)
         << "Exception while executing warmup queries. "
         << "Warmup may not be fully completed. Will proceed nevertheless.\nError was: "
         << e.what();
   }
 }

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void start_server	(	std::shared_ptr< TThreadedServer >	server,
		const int	port
	)

Definition at line 182 of file HeavyDB.cpp.

References logger::ERROR, and LOG.

Referenced by startHeavyDBServer().

                                                                          {
   try {
     server->serve();
     if (errno != 0) {
       throw std::runtime_error(std::string("Thrift server exited: ") +
                                std::strerror(errno));
     }
   } catch (std::exception& e) {
     LOG(ERROR) << "Exception: " << e.what() << ": port " << port << std::endl;
   }
 }

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int startHeavyDBServer	(	CommandLineOptions &	prog_config_opts,
		bool	start_http_server = `true`
	)

Definition at line 380 of file HeavyDB.cpp.

Referenced by main().

                                                       {
   // Prepare to launch the Thrift server.
   LOG(INFO) << "HeavyDB starting up";
   register_signal_handlers();
 #ifdef ENABLE_TBB
   LOG(INFO) << "Initializing TBB with " << cpu_threads() << " threads.";
   threading_tbb::g_tbb_arena.initialize(cpu_threads());
   const int32_t tbb_max_concurrency{threading_tbb::g_tbb_arena.max_concurrency()};
   LOG(INFO) << "TBB max concurrency: " << tbb_max_concurrency << " threads.";
 #endif  // ENABLE_TBB
 #ifdef HAVE_AWS_S3
   omnisci_aws_sdk::init_sdk();
 #endif  // HAVE_AWS_S3
   std::set<std::unique_ptr<std::thread>> server_threads;
   auto wait_for_server_threads = [&] {
     for (auto& th : server_threads) {
       try {
         th->join();
       } catch (const std::system_error& e) {
         if (e.code() != std::errc::invalid_argument) {
           LOG(WARNING) << "std::thread join failed: " << e.what();
         }
       } catch (const std::exception& e) {
         LOG(WARNING) << "std::thread join failed: " << e.what();
       } catch (...) {
         LOG(WARNING) << "std::thread join failed";
       }
     }
   };
   ScopeGuard server_shutdown_guard = [&] {
     // This function will never be called by exit(), but we shouldn't ever be calling
     // exit(), we should be setting g_running to false instead.
     LOG(INFO) << "HeavyDB shutting down";
 
     g_running = false;
 
     thrift_stop();
 
     if (g_enable_fsi) {
       foreign_storage::ForeignTableRefreshScheduler::stop();
     }
 
     g_db_handler.reset();
 
     wait_for_server_threads();
 
 #ifdef HAVE_AWS_S3
     omnisci_aws_sdk::shutdown_sdk();
 #endif  // HAVE_AWS_S3
 
     // Flush the logs last to capture maximum debugging information.
     logger::shutdown();
   };
 
   // start background thread to clean up _DELETE_ME files
   const unsigned int wait_interval =
       3;  // wait time in secs after looking for deleted file before looking again
   server_threads.insert(std::make_unique<std::thread>(
       file_delete,
       std::ref(g_running),
       wait_interval,
       prog_config_opts.base_path + "/" + shared::kDataDirectoryName));
   server_threads.insert(std::make_unique<std::thread>(heartbeat));
 
   if (!g_enable_thrift_logs) {
     apache::thrift::GlobalOutput.setOutputFunction([](const char* msg) {});
   }
 
   // Thrift event handler for database server setup.
   try {
     if (prog_config_opts.system_parameters.master_address.empty()) {
       // Handler for a single database server. (DBHandler)
       g_db_handler =
           std::make_shared<DBHandler>(prog_config_opts.db_leaves,
                                       prog_config_opts.string_leaves,
                                       prog_config_opts.base_path,
                                       prog_config_opts.allow_multifrag,
                                       prog_config_opts.jit_debug,
                                       prog_config_opts.intel_jit_profile,
                                       prog_config_opts.read_only,
                                       prog_config_opts.allow_loop_joins,
                                       prog_config_opts.enable_rendering,
                                       prog_config_opts.renderer_use_ppll_polys,
                                       prog_config_opts.renderer_prefer_igpu,
                                       prog_config_opts.renderer_vulkan_timeout_ms,
                                       prog_config_opts.renderer_use_parallel_executors,
                                       prog_config_opts.enable_auto_clear_render_mem,
                                       prog_config_opts.render_oom_retry_threshold,
                                       prog_config_opts.render_mem_bytes,
                                       prog_config_opts.max_concurrent_render_sessions,
                                       prog_config_opts.reserved_gpu_mem,
                                       prog_config_opts.render_compositor_use_last_gpu,
                                       prog_config_opts.num_reader_threads,
                                       prog_config_opts.authMetadata,
                                       prog_config_opts.system_parameters,
                                       prog_config_opts.enable_legacy_syntax,
                                       prog_config_opts.idle_session_duration,
                                       prog_config_opts.max_session_duration,
                                       prog_config_opts.udf_file_name,
                                       prog_config_opts.udf_compiler_path,
                                       prog_config_opts.udf_compiler_options,
 #ifdef ENABLE_GEOS
                                       prog_config_opts.libgeos_so_filename,
 #endif
                                       prog_config_opts.disk_cache_config,
                                       false);
     } else {  // running ha server
       LOG(FATAL)
           << "No High Availability module available, please contact OmniSci support";
     }
   } catch (const std::exception& e) {
     LOG(FATAL) << "Failed to initialize service handler: " << e.what();
   }
 
   if (g_enable_fsi) {
     foreign_storage::ForeignTableRefreshScheduler::start(g_running);
   }
 
   // TCP port setup. We use Thrift both for a TCP socket and for an optional HTTP socket.
   std::shared_ptr<TServerSocket> tcp_socket;
   std::shared_ptr<TServerSocket> http_socket;
   std::shared_ptr<TServerSocket> http_binary_socket;
 
   if (!prog_config_opts.system_parameters.ssl_cert_file.empty() &&
       !prog_config_opts.system_parameters.ssl_key_file.empty()) {
     // SSL port setup.
     auto sslSocketFactory = std::make_shared<TSSLSocketFactory>(SSLProtocol::SSLTLS);
     sslSocketFactory->loadCertificate(
         prog_config_opts.system_parameters.ssl_cert_file.c_str());
     sslSocketFactory->loadPrivateKey(
         prog_config_opts.system_parameters.ssl_key_file.c_str());
     if (prog_config_opts.system_parameters.ssl_transport_client_auth) {
       sslSocketFactory->authenticate(true);
     } else {
       sslSocketFactory->authenticate(false);
     }
     sslSocketFactory->ciphers("ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH");
     tcp_socket = std::make_shared<TSSLServerSocket>(
         prog_config_opts.system_parameters.omnisci_server_port, sslSocketFactory);
     if (start_http_server) {
       http_socket = std::make_shared<TSSLServerSocket>(prog_config_opts.http_port,
                                                        sslSocketFactory);
     }
     if (g_enable_http_binary_server) {
       http_binary_socket = std::make_shared<TSSLServerSocket>(
           prog_config_opts.http_binary_port, sslSocketFactory);
     }
     LOG(INFO) << " HeavyDB server using encrypted connection. Cert file ["
               << prog_config_opts.system_parameters.ssl_cert_file << "], key file ["
               << prog_config_opts.system_parameters.ssl_key_file << "]";
 
   } else {
     // Non-SSL port setup.
     LOG(INFO) << " HeavyDB server using unencrypted connection";
     tcp_socket = std::make_shared<TServerSocket>(
         prog_config_opts.system_parameters.omnisci_server_port);
     if (start_http_server) {
       http_socket = std::make_shared<TServerSocket>(prog_config_opts.http_port);
     }
     if (g_enable_http_binary_server) {
       http_binary_socket =
           std::make_shared<TServerSocket>(prog_config_opts.http_binary_port);
     }
   }
 
   // Thrift uses the same processor for both the TCP port and the HTTP port.
   std::shared_ptr<TProcessor> processor{std::make_shared<TrackingProcessor>(
       g_db_handler, prog_config_opts.log_user_origin)};
 
   // Thrift TCP server launch.
   std::shared_ptr<TServerTransport> tcp_st = tcp_socket;
 #ifdef HAVE_THRIFT_MESSAGE_LIMIT
   std::shared_ptr<TTransportFactory> tcp_tf{
       std::make_shared<UnboundedTBufferedTransportFactory>()};
 #else
   std::shared_ptr<TTransportFactory> tcp_tf{
       std::make_shared<TBufferedTransportFactory>()};
 #endif
   std::shared_ptr<TProtocolFactory> tcp_pf{std::make_shared<TBinaryProtocolFactory>()};
   g_thrift_tcp_server.reset(new TThreadedServer(processor, tcp_st, tcp_tf, tcp_pf));
   server_threads.insert(std::make_unique<std::thread>(
       start_server,
       g_thrift_tcp_server,
       prog_config_opts.system_parameters.omnisci_server_port));
 
   // Thrift HTTP server launch.
   if (start_http_server) {
     std::shared_ptr<TServerTransport> http_st = http_socket;
 #ifdef HAVE_THRIFT_MESSAGE_LIMIT
     std::shared_ptr<TTransportFactory> http_tf{
         std::make_shared<UnboundedTHttpServerTransportFactory>()};
 #else
     std::shared_ptr<TTransportFactory> http_tf{
         std::make_shared<THttpServerTransportFactory>()};
 #endif
     std::shared_ptr<TProtocolFactory> http_pf{std::make_shared<TJSONProtocolFactory>()};
     g_thrift_http_server.reset(new TThreadedServer(processor, http_st, http_tf, http_pf));
     server_threads.insert(std::make_unique<std::thread>(
         start_server, g_thrift_http_server, prog_config_opts.http_port));
   }
 
   // Thrift HTTP binary protocol server launch.
   if (g_enable_http_binary_server) {
     std::shared_ptr<TServerTransport> http_binary_st = http_binary_socket;
 #ifdef HAVE_THRIFT_MESSAGE_LIMIT
     std::shared_ptr<TTransportFactory> http_binary_tf{
         std::make_shared<UnboundedTHttpServerTransportFactory>()};
 #else
     std::shared_ptr<TTransportFactory> http_binary_tf{
         std::make_shared<THttpServerTransportFactory>()};
 #endif
     std::shared_ptr<TProtocolFactory> http_binary_pf{
         std::make_shared<TBinaryProtocolFactory>()};
     g_thrift_http_binary_server.reset(
         new TThreadedServer(processor, http_binary_st, http_binary_tf, http_binary_pf));
     server_threads.insert(std::make_unique<std::thread>(
         start_server, g_thrift_http_binary_server, prog_config_opts.http_binary_port));
   }
 
   // Run warm up queries if any exist.
   run_warmup_queries(
       g_db_handler, prog_config_opts.base_path, prog_config_opts.db_query_file);
   if (prog_config_opts.exit_after_warmup) {
     g_running = false;
   }
 
   // Main thread blocks for as long as the servers are running.
   wait_for_server_threads();
 
   // Clean shutdown.
   int signum = g_saw_signal;
   if (signum <= 0 || signum == SIGTERM) {
     return 0;
   } else {
     return signum;
   }
 }

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void thrift_stop ( )

Definition at line 292 of file HeavyDB.cpp.

Referenced by heartbeat(), and startHeavyDBServer().

                    {
   if (auto thrift_http_server = g_thrift_http_server; thrift_http_server) {
     thrift_http_server->stop();
   }
   g_thrift_http_server.reset();
 
   if (auto thrift_http_binary_server = g_thrift_http_binary_server;
       thrift_http_binary_server) {
     thrift_http_binary_server->stop();
   }
   g_thrift_http_binary_server.reset();
 
   if (auto thrift_tcp_server = g_thrift_tcp_server; thrift_tcp_server) {
     thrift_tcp_server->stop();
   }
   g_thrift_tcp_server.reset();
 }

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Variable Documentation

bool g_enable_fsi

Definition at line 96 of file Catalog.cpp.

bool g_enable_http_binary_server

Definition at line 84 of file CommandLineOptions.cpp.

Referenced by CommandLineOptions::fillAdvancedOptions(), and startHeavyDBServer().

bool g_enable_thrift_logs

Definition at line 289 of file HeavyDB.cpp.

std::atomic<bool> g_running {true}

Definition at line 78 of file HeavyDB.cpp.

Referenced by heartbeat(), anonymous_namespace{HeavyDB.cpp}::heavydb_signal_handler(), and startHeavyDBServer().

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Functions

Variables

Function Documentation

Variable Documentation