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-<?xml version="1.0" encoding="utf-8" ?>
-<!DOCTYPE erlref SYSTEM "erlref.dtd">
-
-<erlref>
- <header>
- <copyright>
- <year>1997</year><year>2016</year>
- <holder>Ericsson AB. All Rights Reserved.</holder>
- </copyright>
- <legalnotice>
- 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.
-
- </legalnotice>
-
- <title>orber</title>
- <prepared></prepared>
- <responsible></responsible>
- <docno></docno>
- <approved></approved>
- <checked></checked>
- <date>1997-06-10</date>
- <rev>A</rev>
- </header>
- <module>orber</module>
- <modulesummary>The main module of the Orber application</modulesummary>
- <description>
- <p>This module contains the functions for starting and stopping the
- application. It also has some utility functions to get some of
- the configuration information from running application.</p>
- </description>
- <funcs>
- <func>
- <name>start() -> ok</name>
- <name>start(Type) -> ok</name>
- <fsummary>Start the Orber application</fsummary>
- <type>
- <v>Type = temporary | permanent</v>
- </type>
- <desc>
- <p>Starts the Orber application (it also starts mnesia if it is not running).
- Which <c>Type</c> parameter is supplied determines the behavior. If not
- supplied Orber is started as <c>temporary</c>.
- See the Reference Manual <em>application(3)</em> for further information. </p>
- </desc>
- </func>
- <func>
- <name>jump_start(Attributes) -> ok | {'EXIT', Reason}</name>
- <fsummary>Start the Orber application during tests</fsummary>
- <type>
- <v>Attributes = Port | Options</v>
- <v>Port = integer()</v>
- <v>Options = [{Key, Value}]</v>
- <v>Key = any key listed in the configuration chapter</v>
- <v>Value = allowed value associated with the given key</v>
- </type>
- <desc>
- <p>Installs and starts the Orber and the Mnesia applications with the configuration
- parameters <c>domain</c> and <c>iiop_port</c> set to <c>"IP-number:Port"</c>
- and the supplied Port respectively. Theses settings are in most cases
- sufficient to ensure that no clash with any other Orber instance occur.
- If this operation fails, check if the listen port (iiop_port) is already
- in use. This function <em>MAY ONLY</em> be used during development and
- tests; how Orber is configured when using this operation may change
- at any time without warning.</p>
- </desc>
- </func>
- <func>
- <name>stop() -> ok</name>
- <fsummary>Stop the Orber application</fsummary>
- <desc>
- <p>Stops the Orber application.</p>
- </desc>
- </func>
- <func>
- <name>info() -> ok</name>
- <name>info(IoType) -> ok | {'EXIT', Reason} | string()</name>
- <fsummary>Generate Info Report, which contain Orber's configuration settings</fsummary>
- <type>
- <v>IoType = info_msg | string | io | {io, IoDevice}</v>
- </type>
- <desc>
- <p>Generates an Info Report, which contain Orber's configuration settings.
- If no <c>IoType</c> is supplied, <c>info_msg</c> is used (see the
- error_logger documentation). When the atom string is supplied this
- function will return a flat list. For <c>io</c> and <c>{io, IoDevice}</c>,
- <c>io:format/1</c> and <c>io:format/3</c> is used respectively.</p>
- </desc>
- </func>
- <func>
- <name>exception_info(Exception) -> {ok, string()} | {error, Reason}</name>
- <fsummary>Return a printable string, which describes the supplied exception</fsummary>
- <desc>
- <p>Returns a printable string, which describes the supplied exception
- in greater detail. Note, this function is mainly intended for
- system exceptions.</p>
- </desc>
- </func>
- <func>
- <name>is_system_exception(Exception) -> true | false</name>
- <fsummary>Return true if the supplied exception is a system defined exception otherwise false</fsummary>
- <desc>
- <p>Returns true if the supplied exception is a system defined
- exception, otherwise false.</p>
- </desc>
- </func>
- <func>
- <name>get_tables() -> [Tables]</name>
- <fsummary>Get the Mnesia tables Orber uses.</fsummary>
- <desc>
- <p>Returns a list of the Orber specific Mnesia tables. This list is
- required to restore Mnesia if it has been partitioned.</p>
- </desc>
- </func>
- <func>
- <name>get_ORBInitRef() -> string() | undefined</name>
- <fsummary>Get the initial reference address.</fsummary>
- <desc>
- <p>This function returns undefined if we will resolve references locally,
- otherwise a string describing which host we will contact if the Key given
- to <c>corba:resolve_initial_references/1</c> matches the Key set
- in this configuration variable. For more information
- see the user's guide.</p>
- </desc>
- </func>
- <func>
- <name>get_ORBDefaultInitRef() -> string() | undefined</name>
- <fsummary>Get the initial reference address.</fsummary>
- <desc>
- <p>This function returns undefined if we will resolve references locally,
- otherwise a string describing which host, or hosts, from which we
- will try to resolve the Key given to
- <c>corba:resolve_initial_references/1</c>. For more information
- see the user's guide.</p>
- </desc>
- </func>
- <func>
- <name>domain() -> string()</name>
- <fsummary>Display the Orber domain name</fsummary>
- <desc>
- <p>This function returns the domain name of the current Orber domain
- as a string.</p>
- </desc>
- </func>
- <func>
- <name>iiop_port() -> int()</name>
- <fsummary>Display the IIOP port number</fsummary>
- <desc>
- <p>This function returns the port-number, which is used by the IIOP
- protocol. It can be configured by setting the application variable
- <em>iiop_port</em>, if it is not set it will have the default number
- 4001.</p>
- </desc>
- </func>
- <func>
- <name>iiop_out_ports() -> 0 | {Min, Max}</name>
- <fsummary>Display the ports Orber may use when connecting to another ORB</fsummary>
- <desc>
- <p>The return value of this operation is what the configuration
- parameter <seealso marker="ch_install#config">iiop_out_ports</seealso>
- has been set to.</p>
- </desc>
- </func>
-
- <func>
- <name>iiop_out_ports_random() -> true | false</name>
- <fsummary>Determine if Orber should select local ports randomly</fsummary>
- <desc>
- <p>Return the value of the configuration parameter
- <seealso marker="ch_install#config">iiop_out_ports_random</seealso>.</p>
- </desc>
- </func>
-
- <func>
- <name>iiop_out_ports_attempts() -> int()</name>
- <fsummary>Display if Orber should accept more than one timeout connecting to another ORB</fsummary>
- <desc>
- <p>Return the value of the configuration parameter
- <seealso marker="ch_install#config">iiop_out_ports_attempts</seealso>.</p>
- </desc>
- </func>
-
-
- <func>
- <name>iiop_ssl_port() -> int()</name>
- <fsummary>Display the IIOP port number used for secure connections</fsummary>
- <desc>
- <p>This function returns the port-number, which is used by the secure IIOP
- protocol. It can be configured by setting the application variable
- <em>iiop_ssl_port</em>, if it is not set it will have the default number
- 4002 if Orber is to configured to run in secure mode. Otherwise it returns -1.</p>
- </desc>
- </func>
- <func>
- <name>iiop_timeout() -> int() (milliseconds)</name>
- <fsummary>Display the IIOP timeout value</fsummary>
- <desc>
- <p>This function returns the timeout value after which outgoing IIOP requests terminate.
- It can be configured by setting the application variable
- <em>iiop_timeout TimeVal (seconds)</em>, if it is not set it will have the default value
- <em>infinity</em>. If a request times out a system exception, e.g.
- <em>TIMEOUT</em>, is raised.</p>
- <p>Note: the iiop_timeout configuration parameter (TimeVal) may only range between 0 and 1000000 seconds.
- Otherwise, the default value is used.</p>
- <p>Note: Earlier IC versions required that the compile option <c>{timeout,"module::interface"}</c>,
- was used, which allow the user to add an extra timeout parameter, e.g.,
- <c>module_interface:function(ObjRef, Timeout, ... Arguments ...)</c> or
- <c>module_interface:function(ObjRef, [{timeout, Timeout}], ... Arguments ...)</c>,
- instead of <c>module_interface:function(ObjRef, ... Arguments ...)</c>.
- This is no longer the case and if the extra Timeout is used,
- argument will override the configuration parameter <c>iiop_timeout</c>.
- It is, however, not possible
- to use <c>infinity</c> to override the Timeout parameter. The Timeout
- option is also valid for objects which resides within the same Orber domain.</p>
- </desc>
- </func>
- <func>
- <name>iiop_connection_timeout() -> int() (milliseconds)</name>
- <fsummary>Display the IIOP connection timeout value</fsummary>
- <desc>
- <p>This function returns the timeout value after which outgoing IIOP connections terminate.
- It can be configured by setting the application variable
- <em>iiop_connection_timeout TimeVal (seconds)</em>, if it is not set it will have the default value
- <em>infinity</em>. The connection will not be terminated if there are
- pending requests.</p>
- <p>Note: the iiop_connection_timeout configuration parameter (TimeVal) may only range between 0 and 1000000 seconds.
- Otherwise, the default value is used.</p>
- </desc>
- </func>
- <func>
- <name>iiop_connections() -> Result</name>
- <name>iiop_connections(Direction) -> Result</name>
- <fsummary>List all existing connections to/from other ORB's</fsummary>
- <type>
- <v>Direction = in | out | inout</v>
- <v>Result = [{Host, Port}] | [{Host, Port, Interface}] | {'EXIT',Reason}</v>
- <v>Host = string()</v>
- <v>Port = integer()</v>
- <v>Interface = string()</v>
- <v>Reason = term()</v>
- </type>
- <desc>
- <p>The list returned by this operation contain tuples of remote hosts/ports
- Orber is currently connected to. If no Direction is not supplied, both
- incoming and outgoing connections are included.</p>
- <p>If a specific local interface has been defined for the connection,
- this will be added to the returned tuple.</p>
- </desc>
- </func>
- <func>
- <name>iiop_connections_pending() -> Result</name>
- <fsummary>List all connections to another ORB currently being set up</fsummary>
- <type>
- <v>Result = [{Host, Port}] | [{Host, Port, Interface}] | {'EXIT',Reason}</v>
- <v>Host = string()</v>
- <v>Port = integer()</v>
- <v>Interface = string()</v>
- <v>Reason = term()</v>
- </type>
- <desc>
- <p>In some cases a connection attempt (i.e. trying to communicate with
- another ORB) may block due to a number of reasons. This operation
- allows the user to check if this is the case. The returned list
- contain tuples of remote hosts/ports. Normally, the list is empty.</p>
- <p>If a specific local interface has been defined for the connection,
- this will be added to the returned tuple.</p>
- </desc>
- </func>
- <func>
- <name>iiop_in_connection_timeout() -> int() (milliseconds)</name>
- <fsummary>Display the IIOP connection timeout value for incoming connections</fsummary>
- <desc>
- <p>This function returns the timeout value after which incoming IIOP
- connections terminate. It can be configured by setting the application
- variable <em>iiop_in_connection_timeout TimeVal (seconds)</em>, if it is
- not set it will have the default value <em>infinity</em>. The connection
- will not be terminated if there are pending requests.</p>
- <p>Note: the iiop_in_connection_timeout configuration parameter (TimeVal) may
- only range between 0 and 1000000 seconds. Otherwise, the default value is
- used.</p>
- </desc>
- </func>
- <func>
- <name>iiop_acl() -> Result</name>
- <fsummary>Return the ACL configuration</fsummary>
- <type>
- <v>Result = [{Direction, Filter}] | [{Direction, Filter, [Interface]}]</v>
- <v>Direction = tcp_in | ssl_in | tcp_out | ssl_out</v>
- <v>Filter = string()</v>
- <v>Interface = string()</v>
- </type>
- <desc>
- <p>Returns the ACL configuration. The <c>Filter</c> uses a extended format of
- Classless Inter Domain Routing (CIDR). For example, <c>"123.123.123.10"</c> limits
- the connection to that particular host, while <c>"123.123.123.10/17"</c> allows
- connections to or from any host equal to the 17 most significant bits. Orber
- also allow the user to specify a certain port or port range, for example,
- <c>"123.123.123.10/17#4001"</c> and <c>"123.123.123.10/17#4001/5001"</c>
- respectively. IPv4 or none compressed IPv6 strings are accepted. <br></br>
-
- The list of <c>Interfaces</c>, IPv4 or IPv6 strings, are currently only used
- for outgoing connections and may only contain <em>one</em> address. If set and
- access is granted, Orber will use that local interface when connecting to the
- other ORB. The module <seealso marker="orber_acl">orber_acl</seealso>
- provides operations for evaluating the access control for filters and addresses.</p>
- </desc>
- </func>
- <func>
- <name>activate_audit_trail() -> Result</name>
- <name>activate_audit_trail(Verbosity) -> Result</name>
- <fsummary>Activate IIOP audit/trail</fsummary>
- <type>
- <v>Verbosity = stealth | normal | verbose</v>
- <v>Result = ok | {error, Reason}</v>
- <v>Reason = string()</v>
- </type>
- <desc>
- <p>Activates audit/trail for all existing incoming and outgoing IIOP
- connections. The <c>Verbosity</c> parameter, <c>stealth</c>,
- <c>normal</c> or <c>verbose</c>, determines which of the built in
- interceptors is used (<c>orber_iiop_tracer_stealth</c>,
- <c>orber_iiop_tracer_silent</c> or <c>orber_iiop_tracer</c> respectively).
- If no verbosity level is supplied, then the <c>normal</c> will be used.</p>
- <p>In case Orber is configured to use other interceptors, the audit/trail
- interceptors will simply be added to that list.</p>
- </desc>
- </func>
- <func>
- <name>deactivate_audit_trail() -> Result</name>
- <fsummary>Deactivate IIOP audit/trail</fsummary>
- <type>
- <v>Result = ok | {error, Reason}</v>
- <v>Reason = string()</v>
- </type>
- <desc>
- <p>Deactivates audit/trail for all existing incoming and outgoing IIOP
- connections. In case Orber is configured to use other interceptors,
- those will still be used.</p>
- </desc>
- </func>
- <func>
- <name>add_listen_interface(IP, Type) -> Result</name>
- <name>add_listen_interface(IP, Type, Port) -> Result</name>
- <name>add_listen_interface(IP, Type, ConfigurationParameters) -> Result</name>
- <fsummary>Add a new listen process for incoming connection</fsummary>
- <type>
- <v>IP = string</v>
- <v>Type = normal | ssl</v>
- <v>Port = integer() > 0</v>
- <v>ConfigurationParameters = [{Key, Value}]</v>
- <v>Key = flags | ip_family | iiop_in_connection_timeout | iiop_max_fragments | iiop_max_in_requests | interceptors | iiop_port | iiop_ssl_port | ssl_server_options</v>
- <v>Value = as described in the User's Guide or below</v>
- <v>Result = {ok, Ref} | {error, Reason} | {'EXCEPTION', #'BAD_PARAM'{}}</v>
- <v>Ref = #Ref</v>
- <v>Reason = string()</v>
- </type>
- <desc>
- <p>Create a new process that handle requests for creating a new incoming
- IIOP connection via the given interface and port. If the latter is
- excluded, Orber will use the value of the <c>iiop_port</c> or
- <c>iiop_ssl_port</c> configuration parameters.
- The <c>Type</c> parameter determines if it is
- supposed to be IIOP or IIOP via SSL. If successful, the returned
- <c>#Ref</c> shall be passed to <c>orber:remove_listen_interface/1</c>
- when the connection shall be terminated.</p>
- <p>It is also possible to supply configuration parameters that override
- the global configuration. The <em>iiop_in_connection_timeout</em>,
- <em>iiop_max_fragments</em>, <em>iiop_max_in_requests</em> and
- <em>interceptors</em> parameters simply overrides the global
- counterparts (See the
- <seealso marker="ch_install#config">Configuration</seealso> chapter
- in the User's Guide).
- But for the following parameters there are a few restrictions:</p>
- <list type="bulleted">
- <item><em>flags</em> - currently it is only possible to override the global
- setting for the <c>Use Current Interface in IOR</c> and
- <c>Exclude CodeSet Component</c> flags.</item>
- <item><em>ip_family</em> - can be set to <c>inet</c> or <c>inet6</c> and is
- used to get a listen interface that uses another IP version than the default
- set with flags at startup.</item>
- <item><em>iiop_port</em> - requires that <c>Use Current Interface in IOR</c>
- is activated and the supplied <c>Type</c> is <c>normal</c>. If so,
- exported IOR:s will contain the IIOP port defined by this configuration
- parameter. Otherwise, the global setting will be used.</item>
- <item><em>iiop_ssl_port</em> - almost equivalent to <c>iiop_port</c>.
- The difference is that <c>Type</c> shall be <c>ssl</c> and that
- exported IOR:s will contain the IIOP via SSL port defined by this configuration
- parameter.</item>
- </list>
- <p>If it is not possible to add a listener based on the supplied interface
- and port, the error message is one of the ones described in <c>inet</c>
- and/or <c>ssl</c> documentation.</p>
- </desc>
- </func>
- <func>
- <name>remove_listen_interface(Ref) -> ok</name>
- <fsummary>Terminate listen process for incoming connection</fsummary>
- <type>
- <v>Ref = #Ref</v>
- </type>
- <desc>
- <p>Terminates the listen process, associated with the supplied <c>#Ref</c>,
- for incoming a connection. The Ref parameter is the return value from
- the <c>orber:add_listen_interface/2/3</c> operation. When terminating
- the connection, all associated requests will not deliver a reply to
- the clients.</p>
- </desc>
- </func>
- <func>
- <name>close_connection(Connection) -> Result</name>
- <name>close_connection(Connection, Interface) -> Result</name>
- <fsummary>Terminate outgoing connection(s)</fsummary>
- <type>
- <v>Connection = Object | [{Host, Port}]</v>
- <v>Object = #objref (external)</v>
- <v>Host = string()</v>
- <v>Port = string()</v>
- <v>Interface = string()</v>
- <v>Result = ok | {'EXCEPTION', #'BAD_PARAM'{}}</v>
- </type>
- <desc>
- <p>Will try to close all outgoing connections to the host/port combinations
- found in the supplied object reference or the given list of hosts/ports.
- If a <c>#'IOP_ServiceContext'{}</c> containing a local interface has been
- used when communicating with the remote object
- (see also <seealso marker="Module_Interface">Module_Interface</seealso>),
- that interface shall be passed as the second argument. Otherwise, connections
- via the default local interface, will be terminated.</p>
- <p></p>
- <note>
- <p>Since several clients maybe communicates via the same connection,
- they will be affected when invoking this operation. Other clients may
- re-create the connection by invoking an operation on the target object.</p>
- </note>
- </desc>
- </func>
- <func>
- <name>secure() -> no | ssl</name>
- <fsummary>Display the security mode Orber is running in</fsummary>
- <desc>
- <p>This function returns the security mode Orber is running in, which is either no if it is an
- insecure domain or the type of security mechanism used. For the moment the only security
- mechanism is ssl. This is configured by setting the application variable
- <em>secure</em>.</p>
- </desc>
- </func>
- <func>
- <name>ssl_server_options() -> list()</name>
- <fsummary>Display the SSL server options</fsummary>
- <desc>
- <p>This function returns the list of SSL options set for the Orber domain as server.
- This is configured by setting the application variable
- <em>ssl_server_options</em>.</p>
- </desc>
- </func>
- <func>
- <name>ssl_client_options() -> list()</name>
- <fsummary>Display the SSL client options</fsummary>
- <desc>
- <p>This function returns the list of SSL options used in outgoing calls in the current process.
- The default value is configured by setting the application variable
- <em>ssl_client_options</em>.</p>
- </desc>
- </func>
- <func>
- <name>set_ssl_client_options(Options) -> ok</name>
- <fsummary>Set the SSL options for the client</fsummary>
- <type>
- <v>Options = list()</v>
- </type>
- <desc>
- <p>This function takes a list of SSL options as parameter and sets
- it for the current process.</p>
- </desc>
- </func>
- <func>
- <name>objectkeys_gc_time() -> int() (seconds)</name>
- <fsummary>Display the Object Keys GC time value</fsummary>
- <desc>
- <p>This function returns the timeout value after which after which terminated object keys,
- related to servers started with the configuration parameter <c>{persistent, true}</c>,
- will be removed.
- It can be configured by setting the application variable <em>objectkeys_gc_time TimeVal (seconds)</em>,
- if it is not set it will have the default value <em>infinity</em>. </p>
- <p>Objects terminating with reason <em>normal</em> or <em>shutdown</em> are removed automatically.</p>
- <p>Note: the objectkeys_gc_time configuration parameter (TimeVal) may only range between 0 and 1000000 seconds.
- Otherwise, the default value is used.</p>
- </desc>
- </func>
- <func>
- <name>orber_nodes() -> RetVal</name>
- <fsummary>Displays which nodes that this orber domain consist of.</fsummary>
- <type>
- <v>RetVal = [node()]</v>
- </type>
- <desc>
- <p>This function returns the list of node names that this orber
- domain consists of. </p>
- </desc>
- </func>
- <func>
- <name>install(NodeList) -> ok</name>
- <name>install(NodeList, Options) -> ok</name>
- <fsummary>Install the Orber application</fsummary>
- <type>
- <v>NodeList = [node()]</v>
- <v>Options = [Option]</v>
- <v>Option = {install_timeout, Timeout} | {ifr_storage_type, TableType} | {nameservice_storage_type, TableType} | {initialreferences_storage_type, TableType} | {load_order, Priority}</v>
- <v>Timeout = infinity | integer()</v>
- <v>TableType = disc_copies | ram_copies</v>
- <v>Priority = integer()</v>
- </type>
- <desc>
- <p>This function installs all the necessary mnesia tables and
- load default data in some of them. If one or more Orber tables
- already exists the installation fails. The function
- <em>uninstall</em> may be used, if it is safe, i.e., no other
- application is running Orber.</p>
- <p>Preconditions:</p>
- <list type="bulleted">
- <item>a mnesia schema must exist before the installation</item>
- <item>mnesia is running on the other nodes if the new installation
- shall be a multi node domain</item>
- </list>
- <p>Mnesia will be started by the function if it is not already running on
- the installation node and if it was started it will be stopped
- afterwards.</p>
- <p>The options that can be sent to the installation program is:</p>
- <list type="bulleted">
- <item><c>{install_timeout, Timeout}</c> - this timeout is how long we
- will wait for the tables to be created. The Timeout value can be
- <em>infinity</em> or an integer number in milliseconds.
- Default is infinity.</item>
- <item><c>{ifr_storage_type, TableType}</c> - this option sets the
- type of tables used for the interface repository.
- The TableType can be disc_copies or ram_copies. Default is
- disc_copies.</item>
- <item><c>{initialreferences_storage_type, TableType}</c> - this option
- sets the type of table used for storing initial references.
- The TableType can be disc_copies or ram_copies. Default is
- ram_copies.</item>
- <item><c>{nameservice_storage_type, TableType}</c> - the default
- behavior of Orber is to install the NameService as ram_copies.
- This option makes it possible to change this to disc_copies. But
- the user should be aware of that if a node is restarted, all
- local object references stored in the NameService is not valid.
- Hence, you cannot switch to disc_copies and expect exactly the same
- behavior as before.</item>
- <item><c>{load_order, Priority}</c> - per default the priority is set to 0.
- Using this option it will change the priority of in which order
- Mnesia will load Orber internal tables. For more information,
- consult the Mnesia documentation.</item>
- </list>
- </desc>
- </func>
- <func>
- <name>uninstall() -> ok</name>
- <fsummary>Uninstall the Orber application</fsummary>
- <desc>
- <p>This function stops the Orber application, terminates all server
- objects and removes all Orber related mnesia tables.</p>
- <p>Note: Since other applications may be running on the same node
- using mnesia <em>uninstall</em> will not stop the mnesia application.</p>
- </desc>
- </func>
- <func>
- <name>add_node(Node, Options) -> RetVal</name>
- <fsummary>Add a new node to a group of Orber nodes.</fsummary>
- <type>
- <v>Node = node()</v>
- <v>Options = IFRStorageType | [KeyValue] </v>
- <v>IFRStorageType = StorageType</v>
- <v>StorageType = disc_copies | ram_copies</v>
- <v>KeyValue = {ifr_storage_type, StorageType} | {initialreferences_storage_type, StorageType} | {nameservice_storage_type, StorageType} | {type, Type} </v>
- <v>Type = temporary | permanent</v>
- <v>RetVal = ok | exit()</v>
- </type>
- <desc>
- <p>This function add given node to a existing Orber node group and starts
- Orber on the new node. <c>orber:add_node</c> is called from a member in the Orber
- node group.</p>
- <p>Preconditions for new node:</p>
- <list type="bulleted">
- <item>Erlang started on the new node using the option <c>-mnesia extra_db_nodes</c>, e.g.,
- <c>erl -sname new_node_name -mnesia extra_db_nodes ConnectToNodes_List</c></item>
- <item>The new node's <c>domain</c> name is the same for the nodes we want to connect to.</item>
- <item>Mnesia is running on the new node (no new schema created).</item>
- <item>If the new node will use <c>disc_copies</c> the schema type must be changed using:
- <c>mnesia:change_table_copy_type(schema, node(), disc_copies).</c></item>
- </list>
- <p>Orber will be started by the function on the new node.</p>
- <p>Fails if:</p>
- <list type="bulleted">
- <item>Orber already installed on given node.</item>
- <item>Mnesia not started as described above on the new node.</item>
- <item>Impossible to copy data in Mnesia tables to the new node.</item>
- <item>Not able to start Orber on the new node, due to, for example, the
- <c>iiop_port</c> is already in use.</item>
- </list>
- <p>The function do not remove already copied tables after a failure.
- Use <c>orber:remove_node</c> to remove these tables.</p>
- </desc>
- </func>
- <func>
- <name>remove_node(Node) -> RetVal</name>
- <fsummary>Removes a node from a group of Orber nodes.</fsummary>
- <type>
- <v>Node = node()</v>
- <v>RetVal = ok | exit()</v>
- </type>
- <desc>
- <p>This function removes given node from a Orber node group. The Mnesia
- application is not stopped.</p>
- </desc>
- </func>
- <func>
- <name>configure(Key, Value) -> ok | {'EXIT', Reason}</name>
- <fsummary>Change Orber configuration.</fsummary>
- <type>
- <v>Key = orbDefaultInitRef | orbInitRef | giop_version | iiop_timeout | iiop_connection_timeout | iiop_setup_connection_timeout | iiop_in_connection_timeout | objectkeys_gc_time | orber_debug_level</v>
- <v>Value = allowed value associated with the given key</v>
- </type>
- <desc>
- <p>This function allows the user to configure Orber in, for example,
- an Erlang shell. It is possible to invoke <c>configure</c> at any time
- the keys specified above.</p>
- <p>Any other key must be set before installing and starting Orber.</p>
- <p>Trying to change the configuration in any other way is <em>NOT</em>
- allowed since it may affect the behavior of Orber.</p>
- <p>For more information regarding allowed values, see
- <seealso marker="ch_install#config">configuration settings</seealso>
- in the User's Guide.</p>
- <p></p>
- <note>
- <p>Configuring the IIOP timeout values will not affect already
- existing connections. If you want a guaranteed uniform behavior, you
- must set these parameters from the start.</p>
- </note>
- </desc>
- </func>
- </funcs>
-
-</erlref>
-