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arangodb/arangod/RestServer/ArangoServer.h

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21 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief arango server
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2011-2014, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef TRIAGENS_REST_SERVER_ARANGO_SERVER_H
#define TRIAGENS_REST_SERVER_ARANGO_SERVER_H 1
#include "Basics/Common.h"
#ifdef _WIN32
#include "BasicsC/win-utils.h"
#endif
#include "Rest/AnyServer.h"
#include "Rest/OperationMode.h"
#include "VocBase/vocbase.h"
struct TRI_server_s;
struct TRI_vocbase_defaults_s;
// -----------------------------------------------------------------------------
// --SECTION-- forward declarations
// -----------------------------------------------------------------------------
namespace triagens {
namespace rest {
class ApplicationDispatcher;
class ApplicationEndpointServer;
class ApplicationScheduler;
class AsyncJobManager;
class HttpServer;
class HttpsServer;
}
namespace admin {
class ApplicationAdminServer;
}
namespace arango {
class ApplicationMR;
class ApplicationV8;
class ApplicationCluster;
// -----------------------------------------------------------------------------
// --SECTION-- class ArangoServer
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief ArangoDB server
////////////////////////////////////////////////////////////////////////////////
class ArangoServer : public rest::AnyServer {
private:
ArangoServer (const ArangoServer&);
ArangoServer& operator= (const ArangoServer&);
// -----------------------------------------------------------------------------
// --SECTION-- constructors and destructors
// -----------------------------------------------------------------------------
public:
////////////////////////////////////////////////////////////////////////////////
/// @brief constructor
////////////////////////////////////////////////////////////////////////////////
ArangoServer (int, char**);
////////////////////////////////////////////////////////////////////////////////
/// @brief destructor
////////////////////////////////////////////////////////////////////////////////
~ArangoServer ();
// -----------------------------------------------------------------------------
// --SECTION-- AnyServer methods
// -----------------------------------------------------------------------------
public:
////////////////////////////////////////////////////////////////////////////////
/// {@inheritDoc}
////////////////////////////////////////////////////////////////////////////////
void buildApplicationServer ();
////////////////////////////////////////////////////////////////////////////////
/// {@inheritDoc}
////////////////////////////////////////////////////////////////////////////////
int startupServer ();
// -----------------------------------------------------------------------------
// --SECTION-- public static methods
// -----------------------------------------------------------------------------
public:
// -----------------------------------------------------------------------------
// --SECTION-- private methods
// -----------------------------------------------------------------------------
private:
////////////////////////////////////////////////////////////////////////////////
/// @brief runs in server mode
////////////////////////////////////////////////////////////////////////////////
int runServer (struct TRI_vocbase_s*);
////////////////////////////////////////////////////////////////////////////////
/// @brief runs in console mode
////////////////////////////////////////////////////////////////////////////////
int runConsole (struct TRI_vocbase_s*);
////////////////////////////////////////////////////////////////////////////////
/// @brief runs unit tests
////////////////////////////////////////////////////////////////////////////////
int runUnitTests (struct TRI_vocbase_s*);
////////////////////////////////////////////////////////////////////////////////
/// @brief runs script
////////////////////////////////////////////////////////////////////////////////
int runScript (struct TRI_vocbase_s*);
////////////////////////////////////////////////////////////////////////////////
/// @brief opens all system databases
////////////////////////////////////////////////////////////////////////////////
void openDatabases (bool,
bool,
bool);
////////////////////////////////////////////////////////////////////////////////
/// @brief closes all database
////////////////////////////////////////////////////////////////////////////////
void closeDatabases ();
// -----------------------------------------------------------------------------
// --SECTION-- private variables
// -----------------------------------------------------------------------------
private:
////////////////////////////////////////////////////////////////////////////////
/// @brief number of command line arguments
////////////////////////////////////////////////////////////////////////////////
int _argc;
////////////////////////////////////////////////////////////////////////////////
/// @brief command line arguments
////////////////////////////////////////////////////////////////////////////////
char** _argv;
////////////////////////////////////////////////////////////////////////////////
/// @brief temporary path
////////////////////////////////////////////////////////////////////////////////
std::string _tempPath;
////////////////////////////////////////////////////////////////////////////////
/// @brief application scheduler
////////////////////////////////////////////////////////////////////////////////
rest::ApplicationScheduler* _applicationScheduler;
////////////////////////////////////////////////////////////////////////////////
/// @brief application dispatcher
////////////////////////////////////////////////////////////////////////////////
rest::ApplicationDispatcher* _applicationDispatcher;
////////////////////////////////////////////////////////////////////////////////
/// @brief application endpoint server
////////////////////////////////////////////////////////////////////////////////
rest::ApplicationEndpointServer* _applicationEndpointServer;
////////////////////////////////////////////////////////////////////////////////
/// @brief constructed admin server application
////////////////////////////////////////////////////////////////////////////////
admin::ApplicationAdminServer* _applicationAdminServer;
////////////////////////////////////////////////////////////////////////////////
/// @brief cluster application feature
////////////////////////////////////////////////////////////////////////////////
triagens::arango::ApplicationCluster* _applicationCluster;
////////////////////////////////////////////////////////////////////////////////
/// @brief asynchronous job manager
////////////////////////////////////////////////////////////////////////////////
rest::AsyncJobManager* _jobManager;
////////////////////////////////////////////////////////////////////////////////
/// @brief application V8
////////////////////////////////////////////////////////////////////////////////
ApplicationV8* _applicationV8;
////////////////////////////////////////////////////////////////////////////////
/// @brief whether or not only requests to internal URLs need authentication
///
/// @CMDOPT{\--server.authenticate-system-only @CA{boolean}}
///
/// Controls whether incoming requests need authentication only if they are
/// directed to the ArangoDB's internal APIs and features, located at `/_api/`,
/// `/_admin/` etc.
///
/// IF the flag is set to @LIT{true}, then HTTP authentication is only
/// required for requests going to URLs starting with `/_`, but not for other
/// URLs. The flag can thus be used to expose a user-made API without HTTP
/// authentication to the outside world, but to prevent the outside world from
/// using the ArangoDB API and the admin interface without authentication.
/// Note that checking the URL is performed after any database name prefix
/// has been removed. That means when the actual URL called is
/// `/_db/_system/myapp/myaction`, the URL `/myapp/myaction` will be used for
/// `authenticate-system-only` check.
///
/// The default is @LIT{false}.
///
/// Note that authentication still needs to be enabled for the server regularly
/// in order for HTTP authentication to be forced for the ArangoDB API and the
/// web interface. Setting only this flag is not enough.
///
/// You can control ArangoDB's general authentication feature with the
/// `--server.disable-authentication` flag.
////////////////////////////////////////////////////////////////////////////////
bool _authenticateSystemOnly;
////////////////////////////////////////////////////////////////////////////////
/// @brief disable authentication for ALL client requests
/// @startDocuBlock server_authentication
/// `--server.disable-authentication`
///
/// Setting value to true will turn off authentication on the server side
/// so all clients can execute any action without authorization and privilege
/// checks.
///
/// The default value is *false*.
/// @endDocuBlock
////////////////////////////////////////////////////////////////////////////////
bool _disableAuthentication;
////////////////////////////////////////////////////////////////////////////////
/// @brief disable authentication for requests via UNIX domain sockets
///
/// @CMDOPT{\--server.disable-authentication-unix-sockets @CA{value}}
///
/// Setting @CA{value} to true will turn off authentication on the server side
/// for requests coming in via UNIX domain sockets. With this flag enabled,
/// clients located on the same host as the ArangoDB server can use UNIX domain
/// sockets to connect to the server without authentication.
/// Requests coming in by other means (e.g. TCP/IP) are not affected by this
/// option.
///
/// The default value is @LIT{false}.
///
/// Note: this option is only available on platforms that support UNIX domain
/// sockets.
////////////////////////////////////////////////////////////////////////////////
bool _disableAuthenticationUnixSockets;
////////////////////////////////////////////////////////////////////////////////
/// @brief number of dispatcher threads for non-database worker
///
/// @CMDOPT{\--server.threads @CA{number}}
///
/// Specifies the @CA{number} of threads that are spawned to handle action
/// requests using Rest, JavaScript, or Ruby.
////////////////////////////////////////////////////////////////////////////////
int _dispatcherThreads;
////////////////////////////////////////////////////////////////////////////////
/// @brief maximum size of the dispatcher queue for asynchronous requests
///
/// @CMDOPT{\--scheduler.maximal-queue-size @CA{size}}
///
/// Specifies the maximum @CA{size} of the dispatcher queue for asynchronous
/// task execution. If the queue already contains @CA{size} tasks, new tasks
/// will be rejected until other tasks are popped from the queue. Setting this
/// value may help preventing from running out of memory if the queue is filled
/// up faster than the server can process requests.
////////////////////////////////////////////////////////////////////////////////
int _dispatcherQueueSize;
////////////////////////////////////////////////////////////////////////////////
/// @brief path to the database
///
/// @CMDOPT{\--database.directory @CA{directory}}
///
/// The directory containing the collections and datafiles. Defaults
/// to @LIT{/var/lib/arango}. When specifying the database directory, please
/// make sure the directory is actually writable by the arangod process.
///
/// You should further not use a database directory which is provided by a
/// network filesystem such as NFS. The reason is that networked filesystems
/// might cause inconsistencies when there are multiple parallel readers or
/// writers or they lack features required by arangod (e.g. flock()).
///
/// @CMDOPT{@CA{directory}}
///
/// When using the command line version, you can simply supply the database
/// directory as argument.
///
/// @EXAMPLES
///
/// @verbinclude option-database-directory
////////////////////////////////////////////////////////////////////////////////
string _databasePath;
////////////////////////////////////////////////////////////////////////////////
/// @brief default journal size
///
/// @CMDOPT{\--database.maximal-journal-size @CA{size}}
///
/// Maximal size of journal in bytes. Can be overwritten when creating a new
/// collection. Note that this also limits the maximal size of a single
/// document.
///
/// The default is @LIT{32MB}.
////////////////////////////////////////////////////////////////////////////////
TRI_voc_size_t _defaultMaximalSize;
////////////////////////////////////////////////////////////////////////////////
/// @brief default wait for sync behavior
///
/// @CMDOPT{\--database.wait-for-sync @CA{boolean}}
///
/// Default wait-for-sync value. Can be overwritten when creating a new
/// collection.
///
/// The default is @LIT{false}.
////////////////////////////////////////////////////////////////////////////////
bool _defaultWaitForSync;
////////////////////////////////////////////////////////////////////////////////
/// @brief force syncing of collection properties
///
/// @CMDOPT{\--database.force-sync-properties @CA{boolean}}
///
/// Force syncing of collection properties to disk after creating a collection
/// or updating its properties.
///
/// If turned off, syncing will still happen for collection that have a
/// waitForSync value of @LIT{true}. If turned on, syncing of properties will
/// always happen, regardless of the value of waitForSync.
///
/// The default is @LIT{true}.
////////////////////////////////////////////////////////////////////////////////
bool _forceSyncProperties;
////////////////////////////////////////////////////////////////////////////////
/// @brief force syncing of shapes
///
/// @CMDOPT{\--database.force-sync-shapes @CA{boolean}}
///
/// This option is not used in this version of ArangoDB. It only remains here
/// for compatibility reasons.
////////////////////////////////////////////////////////////////////////////////
bool _unusedForceSyncShapes;
////////////////////////////////////////////////////////////////////////////////
/// @brief disable the replication logger on server startup
///
/// @CMDOPT{\--server.disable-replication-logger @CA{flag}}
///
/// If @LIT{true} the server will start with the replication logger turned off,
/// even if the replication logger is configured with the `autoStart` option.
/// Using this option will not change the value of the `autoStart` option in
/// the logger configuration, but will suppress auto-starting the replication
/// logger just once.
///
/// If the option is not used, ArangoDB will read the logger configuration from
/// the file `REPLICATION-LOGGER-CONFIG` on startup, and use the value of the
/// `autoStart` attribute from this file.
///
/// The default is @LIT{false}.
////////////////////////////////////////////////////////////////////////////////
bool _disableReplicationLogger;
////////////////////////////////////////////////////////////////////////////////
/// @brief disable the replication applier on server startup
///
/// @CMDOPT{\--server.disable-replication-applier @CA{flag}}
///
/// If @LIT{true} the server will start with the replication applier turned off,
/// even if the replication applier is configured with the `autoStart` option.
/// Using the command-line option will not change the value of the `autoStart`
/// option in the applier configuration, but will suppress auto-starting the
/// replication applier just once.
///
/// If the option is not used, ArangoDB will read the applier configuration from
/// the file `REPLICATION-APPLIER-CONFIG` on startup, and use the value of the
/// `autoStart` attribute from this file.
///
/// The default is @LIT{false}.
////////////////////////////////////////////////////////////////////////////////
bool _disableReplicationApplier;
////////////////////////////////////////////////////////////////////////////////
/// @brief remove on drop
///
/// @CMDOPT{\--database.remove-on-drop @CA{flag}}
///
/// If @LIT{true} and you drop a collection, then they directory and all
/// associated datafiles will be removed from disk. If @LIT{false}, then they
/// collection directory will be renamed to @LIT{deleted-...}, but remains on
/// hard disk. To restore such a dropped collection, you can rename the
/// directory back to @LIT{collection-...}, but you must also edit the file
/// @LIT{parameter.json} inside the directory.
///
/// The default is @LIT{true}.
////////////////////////////////////////////////////////////////////////////////
bool _removeOnDrop;
////////////////////////////////////////////////////////////////////////////////
/// @brief unit tests
///
/// @CMDOPT{\--javascript.unit-tests @CA{test-file}}
///
/// Runs one or more unit tests.
////////////////////////////////////////////////////////////////////////////////
vector<string> _unitTests;
////////////////////////////////////////////////////////////////////////////////
/// @brief files to jslint
///
/// @CMDOPT{\--jslint @CA{test-file}}
///
/// Runs jslint on one or more files.
////////////////////////////////////////////////////////////////////////////////
vector<string> _jslint;
////////////////////////////////////////////////////////////////////////////////
/// @brief run script file
///
/// @CMDOPT{\--javascript.script @CA{script-file}}
///
/// Runs the script file.
////////////////////////////////////////////////////////////////////////////////
vector<string> _scriptFile;
////////////////////////////////////////////////////////////////////////////////
/// @brief parameters to script file
///
/// @CMDOPT{\--javascript.script-parameter @CA{script-parameter}}
///
/// Parameter to script.
////////////////////////////////////////////////////////////////////////////////
vector<string> _scriptParameters;
////////////////////////////////////////////////////////////////////////////////
/// @brief server default language for sorting strings
///
/// @CMDOPT{\-\-default-language @CA{default-language}}
///
/// The default language ist used for sorting and comparing strings.
/// The language value is a two-letter language code (ISO-639) or it is
/// composed by a two-letter language code with and a two letter country code
/// (ISO-3166). Valid languages are "de", "en", "en_US" or "en_UK".
///
/// The default default-language is set to be the system locale on that platform.
////////////////////////////////////////////////////////////////////////////////
string _defaultLanguage;
////////////////////////////////////////////////////////////////////////////////
/// @brief development mode
///
/// @CMDOPT{\--development-mode}
///
/// Specifying this option will start the server in development mode. The
/// development mode forces reloading of all actions and Foxx applications on
/// every HTTP request. This is very resource-intensive and slow, but makes
/// developing server-side actions and Foxx applications much easier.
///
/// Never use this option in production.
////////////////////////////////////////////////////////////////////////////////
bool _developmentMode; /* variable is only used for documentation generation */
////////////////////////////////////////////////////////////////////////////////
/// @brief the server
////////////////////////////////////////////////////////////////////////////////
struct TRI_server_s* _server;
};
}
}
#endif
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
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