1 // Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // File : SALOME_Component.idl
24 // Author : Paul RASCLE, EDF
26 #ifndef _SALOME_COMPONENT_IDL_
27 #define _SALOME_COMPONENT_IDL_
29 #include "SALOME_GenericObj.idl"
30 #include "SALOMEDS.idl"
31 #include "SALOME_Exception.idl"
32 #include "SALOME_PyNode.idl"
33 #include "SALOME_Embedded_NamingService.idl"
35 /*! \file SALOME_Component.idl \brief interfaces for EngineComponent and Container
39 This is a package of interfaces used for connecting new components to %SALOME
40 application. It also contains a set of interfaces used for management of %FIELDS
41 component in %SALOME application.
46 A byte stream which is used for binary data transfer between different
49 typedef sequence<octet> TMPFile;
51 //! General Key Value Structure to set or get properties, for component
58 //! Structure data type to hold reference on data
64 typedef sequence<KeyValuePair> FieldsDict;
65 typedef sequence<double> vectorOfDouble;
66 typedef sequence<string> vectorOfString;
68 interface EngineComponent ;
70 interface fileTransfer ;
71 interface Salome_file;
73 /*! \brief Interface of the %Container.
74 This interface defines the process of loading and registration
75 of new components in %SALOME application
81 void override_environment( in FieldsDict env );
83 FieldsDict get_os_environment();
85 /*! \brief Loads a new component class (dynamic library).
87 \param componentName like COMPONENT, (Python or C++ implementation)
88 try to make a Python import of COMPONENT,
89 then a lib open of libCOMPONENTEngine.so
90 \param reason in case of error (return false) a string explaining the error
91 \return true if load successful or already done, false otherwise
93 boolean load_component_Library(in string componentName, out string reason);
95 //! Create a new servant instance of a component.
97 Component library must be loaded.
98 \param componentName Name of the component which will be registered
99 in Registry and Name Service,
100 (instance number suffix added to the registered name)
101 \return a loaded component
103 Engines::EngineComponent create_component_instance(in string componentName);
105 //! Create a new Python servant instance of a generic service.
107 This simply loads the service in the current container by importing the
108 corresponding Python module.
109 Warning: no internal registration is done, so it is up to the caller to
110 manage the various instantiation.
111 \param serviceName Name of the service
112 \param reason in case of error (return void string) a string explaining the error
113 \return the IOR of the loaded service.
115 string create_python_service_instance(in string serviceName,
118 //! Create a new servant instance of a component with environment variables specified.
120 Component library must be loaded.
121 \param componentName Name of the component which will be registered
122 in Registry and Name Service,
123 (instance number suffix added to the registered name)
124 \param env a dict of env variables
125 \param reason in case of error (return nil) a string explaining the error
126 \return a loaded component
128 Engines::EngineComponent create_component_instance_env(in string componentName,
131 //! Find a servant instance of a component
133 \param registeredName Name of the component in Registry or Name Service,
134 without instance suffix number
135 \return the first instance found
137 EngineComponent find_component_instance(in string registeredName);
139 //! Find a servant instance of a component, or create a new one.
141 Loads the component library if needed.
142 Only applicable to multiStudy components.
143 \param nameToRegister Name of the component which will be registered
144 in Registry (or Name Service)
145 \param componentName Name of the constructed library of the %component
146 (not used any more, give empty string)
147 \return a loaded component
149 EngineComponent load_impl(in string nameToRegister,
150 in string componentName);
152 //! Remove the component servant, and deletes all related objects
154 \param component_i Component to be removed
156 void remove_impl(in EngineComponent component_i);
158 //! In case of SSL mode Returns entry to Embedded NS
159 EmbeddedNamingService get_embedded_NS_if_ssl();
161 boolean is_SSL_mode();
163 //! Unload component libraries from the container.
164 void finalize_removal() ;
166 //! Determines whether the server has been loaded or not.
169 //! Name of the %container
170 readonly attribute string name ;
172 //! working directory of the %container
173 readonly attribute string workingdir ;
175 //! name of the %container log file (this has been set by the launcher)
176 attribute string logfilename ;
178 //! Shutdown the Container process.
181 //! Returns the hostname of the container
182 string getHostName();
184 //! Returns the PID of the container
187 //! Kill the container
189 Returns True if the %container has been killed.
190 Kept for Superv compilation but can't work, unless oneway...
193 boolean Kill_impl() ;
197 returns a fileRef object if origFileName exists and is readable
198 else returns null object. Only one fileRef is created for a given
199 file name, so, several calls with the same file name returns the
202 fileRef createFileRef(in string origFileName);
204 //! Create a Salome_file
206 returns a Salome_file object if origFileName exists and is readable
207 else returns null object.
209 \param origFileName name of the file to be managed (can contain the path).
211 \return Salome_file CORBA reference.
213 Salome_file createSalome_file(in string origFileName);
215 //! Create a fileTransfer
217 returns a fileTransfer object used to copy files from the container
218 machine to the clients machines. Only one fileTransfer instance is
219 created in a container.
221 fileTransfer getFileTransfer();
223 //! Copy a file from a remote host (container) to a local file
225 \param contai the remote container
226 \param remoteFile the file on the remote host to copy
227 \param localFile the local file to create by copy
229 void copyFile(in Container contai, in string remoteFile, in string localFile);
231 //! Create a PyNode in the container
233 \param nodeName the name of the PyNode
234 \param code python code as text to load in the node
236 PyNode createPyNode(in string nodeName, in string code) raises(SALOME::SALOME_Exception);
238 //! Retrieves the last created PyNode instance with createPyNode.
239 PyNode getDefaultPyNode(in string nodeName);
241 //! Create a PyScriptNode in the container
243 \param nodeName the name of the PyScriptNode
244 \param code python code as text to load in the node
246 PyScriptNode createPyScriptNode(in string nodeName, in string code) raises(SALOME::SALOME_Exception);
248 void removePyScriptNode(in string nodeName) raises(SALOME::SALOME_Exception);
250 //! Retrieves the last created PyScriptNode instance with createPyScriptNode.
251 PyScriptNode getDefaultPyScriptNode(in string nodeName);
253 //! This method remove all refs of PyScriptNode servant objects stored in server.
255 * Previous scripts created on container may have been stored in a map. This method removes them. It then clean all the contexts dict attached to them.
257 void cleanAllPyScripts();
259 //! Return number of CPU cores in the calculation node.
260 long getNumberOfCPUCores();
262 //! Return a load of each CPU core.
263 vectorOfDouble loadOfCPUCores() raises(SALOME::SALOME_Exception);
265 //! Set custom script to calculate a load of each CPU core.
267 \param script Python script to execute
269 void setPyScriptForCPULoad(in string script);
271 //! Nullify custom script to calculate each CPU core's load.
272 void resetScriptForCPULoad();
274 //! Get total physical memory of calculation node, in megabytes.
275 long getTotalPhysicalMemory();
277 //! Get used physical memory of calculation node, in megabytes.
278 long getTotalPhysicalMemoryInUse();
280 //! Obtain physical memory, used by the current process, in megabytes.
281 long getTotalPhysicalMemoryInUseByMe();
284 /*! \brief Interface of the %component.
285 This interface is used for interaction between the %container and the
286 %component and between the components inside the container.
288 interface EngineComponent
290 //! The name of the instance of the %Component
291 readonly attribute string instanceName ;
293 //! The name of the interface of the %Component
294 readonly attribute string interfaceName ;
296 //! Determines whether the server has already been loaded or not.
299 boolean isSSLMode() raises(SALOME::SALOME_Exception);
300 //! Remove component instance from container
302 Deactivates the %Component.
303 -- TO BE USED BY CONTAINER ONLY (Container housekeeping) --
304 use remove_impl from Container instead !
308 //! Returns the container that the %Component refers to.
309 Container GetContainerRef() ;
311 //! Set component instance properties
313 Gives a sequence of (key=string,value=any) to the component.
314 Base class component stores the sequence in a map.
315 The map is cleared before.
316 This map is for use by derived classes.
318 void setProperties(in FieldsDict dico);
320 //! Get component instance properties
322 returns a previously stored map (key=string,value=any) as a sequence.
323 See setProperties(in FieldsDict dico).
325 FieldsDict getProperties();
327 //! Set an option value
329 This method is to set an option specific to a certain EngineComponent.
331 void SetOption(in string optionName, in string value);
333 //! Return an option value
335 This method is to get value of an option specific to a certain EngineComponent.
337 string GetOption(in string optionName);
339 //! Set name of a node in a graph (for %SUPERVISOR use)
341 This method is used by the %SUPERVISOR component. It sets the names of
342 the graph and of the node.
343 \param aGraphName Name of graph
344 \param aNodeName Name of node
346 void Names( in string aGraphName , in string aNodeName ) ;
348 //! Kill the component (if you can)
350 Returns True if the %Component has been killed.
352 boolean Kill_impl() ;
354 //! Stop the component (if you can)
356 Returns True if the activity of the %Component has been stopped.
357 (It's action can't be resumed)
359 boolean Stop_impl() ;
361 //! Suspend the component
363 Returns True if the activity of the %Component has been suspended.
364 (It's action can be resumed)
366 boolean Suspend_impl() ;
368 //! Resume the component
370 Returns True if the activity of the %Component has been resumed.
372 boolean Resume_impl() ;
378 long CpuUsed_impl() ;
380 //! Get a python dump
382 Returns a python script, which is being played back reproduces
383 the data model of component
385 TMPFile DumpPython(in boolean isPublished,
386 in boolean isMultiFile,
387 out boolean isValidScript);
390 //! Returns a CORBA Ref of a input Salome_file managed by a service.
393 \param service_name service's name.
394 \param file_name name of the requested file.
396 \return CORBA Ref of the requested file.
398 \exception contains information of what if the component cannot
399 sends the file's reference.
401 Engines::Salome_file getInputFileToService(in string service_name,
402 in string Salome_file_name) raises(SALOME::SALOME_Exception);
404 //! Check service input files (transfer them if needed)
406 This method is used before the activation of the service. It calls
407 recvFiles() on all the input Salome_file files of the service.
409 Before each recvFiles(), it uses the callback method named configureSalome_file.
410 This method allows the user to configure the files managed by the Salome_file.
412 By default, there is no files managed when a Salome_file is created,
413 but the supervisor set some files managed by the Salome_file from the information contained
414 into the schema file.
416 \param service_name service's name.
418 \exception contains information about files that are not in a good state.
420 void checkInputFilesToService(in string service_name) raises(SALOME::SALOME_Exception);
422 //! This method adds a input Salome_file to a service of the component.
425 \param service_name service's name.
426 \param Salome_file_name name of the Salome_file
428 \return a reference of the Salome_file
430 \exception raises an exception if there is already
431 a Salome_file with this name for the service.
433 Engines::Salome_file setInputFileToService(in string service_name,
434 in string Salome_file_name) raises(SALOME::SALOME_Exception);
436 //! Returns a CORBA Ref of a output Salome_file managed by a service.
439 \param service_name service's name.
440 \param file_name name of the requested file.
442 \return CORBA Ref of the requested file.
444 \exception contains information of what if the component cannot
445 sends the file's reference.
447 Engines::Salome_file getOutputFileToService(in string service_name,
448 in string Salome_file_name) raises(SALOME::SALOME_Exception);
450 //! Check service output files (transfer them if needed)
452 This method is used at the end of the service. It calls
453 recvFiles() on all the output Salome_file files of the service.
455 Before each recvFiles(), it uses the callback method named configureSalome_file.
456 This method allows the user to configure the files managed by the Salome_file.
458 By default, there is no files managed when a Salome_file is created,
459 but the supervisor set some files managed by the Salome_file from the information contained
460 into the schema file.
462 \param service_name service's name.
464 \exception contains information about files that are not in a good state.
466 void checkOutputFilesToService(in string service_name) raises(SALOME::SALOME_Exception);
468 //! This method adds an output Salome_file to a service of the component.
471 \param service_name service's name.
472 \param Salome_file_name name of the Salome_file
474 \return a reference of the Salome_file
476 \exception raises an exception if there is already
477 a Salome_file with this name for the service.
479 Engines::Salome_file setOutputFileToService(in string service_name,
480 in string Salome_file_name) raises(SALOME::SALOME_Exception);
482 //! Indicate if the component instance provides custom information about its objects.
484 Returns true if the component provides custom information about its objects, false otherwise.
485 Should be redefined in the certain component to return true in case of this
486 component provides such information.
488 boolean hasObjectInfo();
490 //! Get custom information about the given object.
492 This method is used to get the custom information about the given object.
493 Should be redefined in the certain component in case of this
494 component provides such information.
495 It is worth using this method only if hasObjectInfo() method returns true.
497 \param entry object's entry.
499 \return an information about the given object.
501 string getObjectInfo(in string entry);
503 //! Get version of the component
505 This method is supposed to be implemented in all derived classes; default implementation
506 returns "unknown" string that means that no version information about the component is available.
507 \note The version of the component is stored to the study, as a part of general persistence
508 mechanism; once stored, version information in the study cannot be changed.
510 \return string containing component's version, e.g. "1.0"
516 \brief Base interface of the %component that supports exporting data.
518 interface ImportableComponent
520 /*! \brief Get a list of supported formats */
521 SALOME::StringSeq GetImportableFormats();
522 boolean ImportDataAs(in string format, in SALOME::GenericObj exporter);
525 //! A block of binary data used for file transfer. The maximum size of the block is defined on server side.
526 typedef sequence<octet> fileBlock;
528 /*! \brief Interface of fileTransfer.
529 The fileTransfer and fileRef interfaces provide a file transfer service
530 between different computers.
532 interface fileTransfer : SALOME::GenericObj
534 //! Open the file transfer
536 open method returns a key (fileId) that identifies the structure
537 (ex: C FILE), associated to the original file on the server.
538 The structure is created by a container for transfer of files availables
539 on the computer which runs the container.
540 Each open gives a unique fileId, to allow concurrent reads of the same
543 long open(in string fileName);
544 //! Open the file transfer in write mode for file fileName
546 \param fileName the file to copy into with putBlock
547 \return the id to use with putBlock
549 long openW(in string fileName);
551 //! Close the file transfer
553 when the file transfer is finished, close method releases structures
554 created by open method, identified by fileId.
556 void close(in long fileId);
558 //! Get a file data block
560 Get successive blocks of octets from the original file.
561 The last block is empty, and identifies the end of file.
563 fileBlock getBlock(in long fileId);
565 //! Put a file data block
567 \param fileId identification of the file obtained by openW
568 \param block a data block to copy into the file identified by fileId
570 void putBlock(in long fileId, in fileBlock block);
574 //! A file managed by a Salome_file.
581 string source_file_name;
582 //! status ("present" or "notpresent")
585 Engines::Container container;
588 //! A sequence of Engines::file.
589 typedef sequence<Engines::file> files;
592 //! The state of a Salome_file.
596 //! hdf5 file where the file can be saved
597 string hdf5_file_name;
598 //! number of files managed
599 long number_of_files;
600 //! information if all the files are received
605 /*! \brief Interface of a Salome_file managed
606 This file is independent of a Salome module. It can managed one or more
607 real files. It's useful for parallel files. Currently Salome_file cannot manage
608 two files that have the same name but not the same path.
610 interface Salome_file : Engines::fileTransfer
612 //! Load a Salome_file from a hdf5 file.
615 \param hdf5_file name (with path) of the hdf5_file.
617 \exception contains information of errors if the loading doesn't succeed.
619 void load(in string hdf5_file) raises (SALOME::SALOME_Exception);
621 //! Save a Salome_file into a hdf5_file.
624 \param hdf5_file name (with path) of the hdf5_file.
626 \exception contains information of errors if the save doesn't succeed.
629 void save(in string hdf5_file) raises (SALOME::SALOME_Exception);
631 //! Save a Salome_file into a hdf5_file.
633 All files that are managed are saved into the hdf5_file
635 \param hdf5_file name (with path) of the hdf5_file.
637 \exception contains information of errors if the save doesn't succeed.
640 void save_all(in string hdf5_file) raises (SALOME::SALOME_Exception);
644 //! Add a Local file to the Salome_file.
647 \param file_name name of the file with the path.
649 \exception raised if the file is already added into the Salome_file.
651 void setLocalFile(in string comp_file_name) raises (SALOME::SALOME_Exception);
653 //! Add a Distributed file to the Salome_file.
656 \param comp_file_name name of the file with the path.
658 \exception raised if the file is already added into the Salome_file.
660 void setDistributedFile(in string comp_file_name) raises (SALOME::SALOME_Exception);
662 //! Connect a Salome_file with another Salome_file.
664 It works only if the Salome_file managed only one file
666 \param source_Salome_file Salome_file that managed the distributed version of the file.
668 \exception raised if there is more or less than one file.
670 void connect(in Engines::Salome_file source_Salome_file) raises (SALOME::SALOME_Exception);
672 //! Connect the managed file file_name to a Salome_file.
675 \param file_name name of the file without the path.
676 \param source_Salome_file Salome_file that managed the distributed version of the file.
678 \exception raised if the file doesn't exist.
680 void connectDistributedFile(in string file_name,
681 in Engines::Salome_file source_Salome_file) raises (SALOME::SALOME_Exception);
683 //! Connect the file_name with a Distributed file_name.
686 \param file_name name of the file without the path.
687 \param source_file_name It's the name of the file managed by the distributed source Salome_file.
689 \exception raised if the file doesn't exist.
691 void setDistributedSourceFile(in string file_name,
692 in string source_file_name) raises (SALOME::SALOME_Exception);
696 //! Get all the distributed files managed by the Salome_file and check all the local files.
699 \exception raised if some of the files are not ok.
701 void recvFiles() raises (SALOME::SALOME_Exception) ;
705 //! Remove a file of the Salome_file.
708 \param file_name name of the file.
710 \exception raised if the file doesn't exist.
712 void removeFile(in string file_name) raises (SALOME::SALOME_Exception);
714 //! Remove all the files of the Salome_file.
719 //! Get the list of the files managed by the Salome_file.
721 The list can be empty.
723 Engines::files getFilesInfos();
725 //! Get a file managed by the Salome_file.
728 \param file_name the name of the file.
730 \return CORBA file reference.
732 \exception raised if the file doesn't exist.
734 Engines::file getFileInfos(in string file_name) raises (SALOME::SALOME_Exception);
736 //! Return the state of the Salome_file.
737 Engines::SfState getSalome_fileState();
740 //! Set the container where files are.
743 \param container container CORBA's reference.
745 void setContainer(in Engines::Container container);
748 /*! \brief Interface of fileRef.
749 The fileTransfer and fileRef interfaces provide a file transfer service
750 between different computers.
752 A fileRef object is associated to an original file (origFileName) on a
753 machine (refMachine).
754 It is created by a container (factoryServer) on refMachine,
755 with createFileRef(in string origFileName) method.
756 The fileRef object maintains a list of (machine,filename) for copies.
757 If a copy exists on myMachine, getRef(myMachine) returns the file name
758 of the copy on myMachine, else returns empty string.
759 If there is no copy on myMachine, method getFileTransfer() from container
760 factoryServer on refMachine provides a fileTransfer object dedicated to
762 After the copy, addRef(myMachine, localFileNameOnMyMachine) registers
763 the file name of the copy on myMachine.
767 //! the original file
768 readonly attribute string origFileName;
769 //! the machine of the original file
770 readonly attribute string refMachine;
772 Container getContainer();
774 boolean addRef(in string machine,
777 string getRef(in string machine);