X-Git-Url: http://git.ipfire.org/?p=people%2Fms%2Frstp.git;a=blobdiff_plain;f=rstplib%2Fvector.c;fp=rstplib%2Fvector.c;h=0000000000000000000000000000000000000000;hp=00e428226644b5d2d74884d8bb402db18ca96dda;hb=c79268ebf384770643eb3bb78975d7ea10a461a8;hpb=b600a2c3f85c73aafcabe690b3dc542ac637fa46 diff --git a/rstplib/vector.c b/rstplib/vector.c deleted file mode 100644 index 00e4282..0000000 --- a/rstplib/vector.c +++ /dev/null @@ -1,177 +0,0 @@ -/************************************************************************ - * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) - * Copyright (C) 2001-2003 Optical Access - * Author: Alex Rozin - * - * This file is part of RSTP library. - * - * RSTP library is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as published by the - * Free Software Foundation; version 2.1 - * - * RSTP library 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 Lesser - * General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with RSTP library; see the file COPYING. If not, write to the Free - * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - **********************************************************************/ - -/* STP priority vectors API : 17.4.2 */ - -#include "base.h" -#include "stp_bpdu.h" -#include "vector.h" - -int -STP_VECT_compare_bridge_id (BRIDGE_ID* b1, BRIDGE_ID* b2) -{ - if (b1->prio < b2->prio) - return -1; - - if (b1->prio > b2->prio) - return 1; - return memcmp (b1->addr, b2->addr, 6); -} - -void -STP_VECT_copy (OUT PRIO_VECTOR_T* t, IN PRIO_VECTOR_T* f) -{ - memcpy (t, f, sizeof (PRIO_VECTOR_T)); -} - -void -STP_VECT_create (OUT PRIO_VECTOR_T* t, - IN BRIDGE_ID* root_br, - IN unsigned long root_path_cost, - IN BRIDGE_ID* design_bridge, - IN PORT_ID design_port, - IN PORT_ID bridge_port) -{ - memcpy (&t->root_bridge, root_br, sizeof (BRIDGE_ID)); - t->root_path_cost = root_path_cost; - memcpy (&t->design_bridge, design_bridge, sizeof (BRIDGE_ID)); - t->design_port = design_port; - t->bridge_port = bridge_port; -} - -int -STP_VECT_compare_vector (PRIO_VECTOR_T* v1, PRIO_VECTOR_T* v2) -{ - int bridcmp; - - bridcmp = STP_VECT_compare_bridge_id (&v1->root_bridge, &v2->root_bridge); - if (bridcmp < 0) return bridcmp; - - if (! bridcmp) { - bridcmp = v1->root_path_cost - v2->root_path_cost; - if (bridcmp < 0) return bridcmp; - if (! bridcmp) { - bridcmp = STP_VECT_compare_bridge_id (&v1->design_bridge, &v2->design_bridge); - if (bridcmp < 0) return bridcmp; - if (! bridcmp) { - bridcmp = v1->design_port - v2->design_port; - if (bridcmp < 0) return bridcmp; - if (! bridcmp) - return v1->bridge_port - v2->bridge_port; - } - } - } - - return bridcmp; -} - -static unsigned short -stp_vect_get_short (IN unsigned char* f) -{ - return ntohs (*(unsigned short *)f); -} - -static void -stp_vect_set_short (IN unsigned short f, OUT unsigned char* t) -{ - *(unsigned short *)t = htons (f); -} - -static void -stp_vect_get_bridge_id (IN unsigned char* c_br, OUT BRIDGE_ID* bridge_id) -{ - bridge_id->prio = stp_vect_get_short (c_br); - memcpy (bridge_id->addr, c_br + 2, 6); -} - -static void -stp_vect_set_bridge_id (IN BRIDGE_ID* bridge_id, OUT unsigned char* c_br) -{ - stp_vect_set_short (bridge_id->prio, c_br); - memcpy (c_br + 2, bridge_id->addr, 6); -} - -void -STP_VECT_get_vector (IN BPDU_BODY_T* b, OUT PRIO_VECTOR_T* v) -{ - stp_vect_get_bridge_id (b->root_id, &v->root_bridge); - - v->root_path_cost = ntohl (*((long*) b->root_path_cost)); - - stp_vect_get_bridge_id (b->bridge_id, &v->design_bridge); - - v->design_port = stp_vect_get_short (b->port_id); -} - -void -STP_VECT_set_vector (IN PRIO_VECTOR_T* v, OUT BPDU_BODY_T* b) -{ - unsigned long root_path_cost; - - stp_vect_set_bridge_id (&v->root_bridge, b->root_id); - - root_path_cost = htonl (v->root_path_cost); - memcpy (b->root_path_cost, &root_path_cost, 4); - - stp_vect_set_bridge_id (&v->design_bridge, b->bridge_id); - - stp_vect_set_short (v->design_port, b->port_id); -} - -#ifdef STP_DBG - -void -STP_VECT_br_id_print (IN char *title, IN BRIDGE_ID* br_id, IN Bool cr) -{ - Print ("%s=%04lX-%02x%02x%02x%02x%02x%02x", - title, - (unsigned long) br_id->prio, - (unsigned char) br_id->addr[0], - (unsigned char) br_id->addr[1], - (unsigned char) br_id->addr[2], - (unsigned char) br_id->addr[3], - (unsigned char) br_id->addr[4], - (unsigned char) br_id->addr[5]); - Print (cr ? "\n" : " "); -} - -void -STP_VECT_print (IN char *title, IN PRIO_VECTOR_T *v) -{ - Print ("%s:", title); - STP_VECT_br_id_print ("rootBr", &v->root_bridge, False); - -/**** - Print (" rpc=%ld ", (long) v->root_path_cost); -****/ - - STP_VECT_br_id_print ("designBr", &v->design_bridge, False); - -/****/ - Print (" dp=%lx bp=%lx ", - (unsigned long) v->design_port, - (unsigned long) v->bridge_port); -/***********/ - Print ("\n"); -} -#endif -