<!--$Id: rep_nsites.so,v 1.6 2008/01/30 20:14:30 sue Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: DbEnv::rep_set_nsites</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td> <b>DbEnv::rep_set_nsites</b> </td> <td align=right> <a href="../api_cxx/api_core.html"><img src="../images/api.gif" alt="API"></a> <a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <b><pre> #include <db_cxx.h> <p> int DbEnv::rep_set_nsites(u_int32_t nsites); <p> int DbEnv::rep_get_nsites(u_int32_t *nsitesp); </pre></b> <hr size=1 noshade> <b>Description: DbEnv::rep_set_nsites</b> <p>The DbEnv::rep_set_nsites method specifies the total number of sites in a replication group.</p> <p>The DbEnv::rep_set_nsites method is typically called by applications which use the Berkeley DB library "replication manager" support. (However, see also the <a href="../api_cxx/rep_elect.html">DbEnv::rep_elect</a> man page, the description of the <b>nsites</b> parameter.)</p> <p>The database environment's replication subsystem may also be configured using the environment's <a href="../ref/env/db_config.html#DB_CONFIG">DB_CONFIG</a> file. The syntax of the entry in that file is a single line with the string "rep_set_nsites", one or more whitespace characters, and the number of sites specified. For example, "rep_set_nsites 5" sets the number of sites to 5. Because the <a href="../ref/env/db_config.html#DB_CONFIG">DB_CONFIG</a> file is read when the database environment is opened, it will silently overrule configuration done before that time.</p> <p>The DbEnv::rep_set_nsites method configures a database environment, not only operations performed using the specified <a href="../api_cxx/env_class.html">DbEnv</a> handle.</p> <p>The DbEnv::rep_set_nsites method may not be called before the <a href="../api_cxx/rep_start.html">DbEnv::rep_start</a> method is called.</p> <p>The DbEnv::rep_set_nsites method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success. </p> <b>Parameters</b> <br> <b>nsites</b><ul compact><li>An integer specifying the total number of sites in the replication group.</ul> <br> <hr size=1 noshade> <b>Description: DbEnv::rep_get_nsites</b> <p>The DbEnv::rep_get_nsites method returns the total number of sites in the replication group.</p> <p>The DbEnv::rep_get_nsites method may be called at any time during the life of the application.</p> <p>The DbEnv::rep_get_nsites method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success. </p> <b>Parameters</b> <br> <b>nsitesp</b><ul compact><li>The DbEnv::rep_get_nsites method returns the total number of sites in the replication group in <b>nsitesp</b>.</ul> <br> <hr size=1 noshade> <br><b>Class</b> <a href="../api_cxx/env_class.html">DbEnv</a> <br><b>See Also</b> <a href="../api_cxx/rep_list.html">Replication and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../api_cxx/api_core.html"><img src="../images/api.gif" alt="API"></a><a href="../ref/toc.html"><img src="../images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>