Add GUC parameter to control rendezvous name.

doc/src/sgml/runtime.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.193 2003/07/14 20:00:22 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.194 2003/07/22 20:29:13 momjian Exp $
 -->
 
 <Chapter Id="runtime">
@@ -732,6 +732,16 @@ SET ENABLE_SEQSCAN TO OFF;
       </listitem>
      </varlistentry>
      
+     <varlistentry>
+      <term><varname>RENDEZVOUS_NAME</varname> (<type>string</type>)</term>
+      <listitem>
+       <para>
+        Specifies the Rendezvous broadcast name.  By default, the
+        computer name is used, specified as ''.
+       </para>
+      </listitem>
+     </varlistentry>
+     
      </variablelist>
      </sect3>
      <sect3 id="runtime-config-connection-security">

src/backend/postmaster/postmaster.c

@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.334 2003/07/22 19:00:10 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.335 2003/07/22 20:29:13 momjian Exp $
  *
  * NOTES
  *
@@ -210,6 +210,8 @@ bool		LogSourcePort;
 bool		Log_connections = false;
 bool		Db_user_namespace = false;
 
+char		*rendezvous_name;
+
 /* For FNCTL_NONBLOCK */
 #if defined(WIN32) || defined(__BEOS__)
 long ioctlsocket_ret;
@@ -772,9 +774,9 @@ PostmasterMain(int argc, char *argv[])
 			}
 		}
 #ifdef USE_RENDEZVOUS					 
-                if (service_name != NULL)
+				if (rendezvous_name != NULL)
 				{
-                        DNSServiceRegistrationCreate(NULL,	/* default to hostname */
+						DNSServiceRegistrationCreate(rendezvous_name,
 													 "_postgresql._tcp.",
 													 "",
 													 htonl(PostPortNumber),

src/backend/utils/misc/guc.c

@@ -10,7 +10,7 @@
  * Written by Peter Eisentraut <peter_e@gmx.net>.
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.137 2003/07/15 19:19:56 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.138 2003/07/22 20:29:13 momjian Exp $
  *
  *--------------------------------------------------------------------
  */
@@ -1299,6 +1299,15 @@ static struct config_string ConfigureNamesString[] =
 		PG_KRB_SRVTAB, NULL, NULL
 	},
 
+	{
+		{"rendezvous_name", PGC_POSTMASTER, CONN_AUTH_SETTINGS,
+			gettext_noop("The Rendezvous broadcast service name"),
+			NULL
+		},
+		&rendezvous_name,
+		"", NULL, NULL
+	},
+
 	/* See main.c about why defaults for LC_foo are not all alike */
 
 	{

src/backend/utils/misc/postgresql.conf.sample

@@ -38,6 +38,7 @@
 #unix_socket_group = ''
 #unix_socket_permissions = 0777	# octal
 #virtual_host = ''
+#rendezvous_name = ''		# defaults to the computer name
 
 # - Security & Authentication -
 

src/include/tcop/tcopprot.h

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: tcopprot.h,v 1.57 2003/05/05 00:44:56 tgl Exp $
+ * $Id: tcopprot.h,v 1.58 2003/07/22 20:29:13 momjian Exp $
  *
  * OLD COMMENTS
  *	  This file was created so that other c files could get the two
@@ -32,6 +32,7 @@ extern CommandDest whereToSendOutput;
 extern bool log_hostname;
 extern bool LogSourcePort;
 extern DLLIMPORT const char *debug_query_string;
+extern char *rendezvous_name;
 
 #ifndef BOOTSTRAP_INCLUDE