initial importHEADmain

1 files changed, 138 insertions, 0 deletions

diff --git a/src/parsec_server/net_util_sv.cpp b/src/parsec_server/net_util_sv.cpp
new file mode 100755
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+++ b/src/parsec_server/net_util_sv.cpp
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+/*
+ * PARSEC - Utility Functions - server
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/15 12:26:06 $
+ *
+ * Orginally written by:
+ *   Copyright (c) Clemens Beer        <cbx@parsec.org>   2001-2002
+ *   Copyright (c) Markus Hadwiger     <msh@parsec.org>   1996-2000
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */ 
+
+// C library
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+// compilation flags/debug support
+#include "config.h"
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// network subsystem & server headers 
+#include "net_defs.h"
+#include "e_defs.h"
+
+// network code config
+//#include "net_conf.h"
+
+// UNP header
+#include "net_wrap.h"
+
+// local module header
+#include "net_util.h"
+
+
+// flags ----------------------------------------------------------------------
+//
+
+// copy one node over another -------------------------------------------------
+//
+void NODE_Copy( node_t* dst, node_t* src )
+{
+	ASSERT( dst != NULL );
+	ASSERT( src != NULL );
+
+	memcpy( dst, src, sizeof( node_t ) );
+}
+
+
+// store port number into node address structure ------------------------------
+//
+void NODE_StorePort( node_t *node, word port )
+{
+	ASSERT( node != NULL );
+	
+	node->address[ 4 ] = port >> 8;
+	node->address[ 5 ] = port & 0xff;
+}
+
+
+// fetch port number from node address structure ------------------------------
+//
+word NODE_GetPort( node_t *node )
+{
+	ASSERT( node != NULL );
+	
+	return ( ( (word)node->address[ 4 ] << 8 ) | node->address[ 5 ] );
+}
+
+
+// compare two node addresses (equal, less than, greater than) ----------------
+//
+int NODE_Compare( node_t *node1, node_t *node2 )
+{
+	byte *ip1 = (byte *) node1;
+	byte *ip2 = (byte *) node2;
+	
+	// compare as many digits as necessary
+	for ( int pos = 0; pos < NODE_ADR_LENGTH; pos++ ) {
+		
+		if ( ip1[ pos ] < ip2[ pos ] ) {
+			return NODECMP_LESSTHAN;
+		} else if ( ip1[ pos ] > ip2[ pos ] ) {
+			return NODECMP_GREATERTHAN;
+		}
+	}
+	
+	return NODECMP_EQUAL;
+}	
+
+// compare two node addresses ( fast version ) --------------------------------
+//
+int NODE_AreSame( node_t *node1, node_t *node2 )
+{
+	return ( memcmp( (void*)node1, (void*)node2, sizeof( node_t ) ) == 0 );
+}
+
+
+// static print area for a node string ----------------------------------------
+//
+//FIXME: IPv6 ?
+static char szNodePrintBuffer[ sizeof "255.255.255.255:65535" ];
+
+// return a STATIC string that contains the node in printable form ------------
+//
+char* NODE_Print( node_t* node )
+{
+	ASSERT( node != NULL );
+
+	// convert IP
+	char ipstring[ MAX_IPADDR_LEN + 1 ];
+	inet_ntop( AF_INET, node, ipstring, MAX_IPADDR_LEN + 1 );
+
+	//NOTE: this function uses a STATIC string buffer that holds the printable
+	//      form of the node. Do not store the pointer, as it may get overwritten
+	//      by subsequent calls to NODE_Print
+
+	sprintf( szNodePrintBuffer, "%s:%d", ipstring,  NODE_GetPort( node ) );
+	return szNodePrintBuffer;
+}
+