2 protocol_subnet.c -- handle the meta-protocol, subnets
3 Copyright (C) 1999-2002 Ivo Timmermans <ivo@o2w.nl>,
4 2000-2002 Guus Sliepen <guus@sliepen.eu.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 $Id: protocol_subnet.c,v 1.1.4.7 2002/09/09 19:40:09 guus Exp $
41 #include "connection.h"
46 int send_add_subnet(connection_t *c, subnet_t *subnet)
51 x = send_request(c, "%d %lx %s %s", ADD_SUBNET, random(),
52 subnet->owner->name, netstr = net2str(subnet));
58 int add_subnet_h(connection_t *c)
60 char subnetstr[MAX_STRING_SIZE];
61 char name[MAX_STRING_SIZE];
65 if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING, name, subnetstr) != 2)
67 syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_SUBNET", c->name, c->hostname);
71 /* Check if owner name is a valid */
75 syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid name"));
79 /* Check if subnet string is valid */
81 s = str2net(subnetstr);
85 syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid subnet string"));
89 if(seen_request(c->buffer))
92 /* Check if the owner of the new subnet is in the connection list */
94 owner = lookup_node(name);
99 owner->name = xstrdup(name);
103 /* Check if we already know this subnet */
105 if(lookup_subnet(owner, s))
111 /* If we don't know this subnet, but we are the owner, retaliate with a DEL_SUBNET */
115 if(debug_lvl >= DEBUG_PROTOCOL)
116 syslog(LOG_WARNING, _("Got %s from %s (%s) for ourself"), "ADD_SUBNET", c->name, c->hostname);
118 send_del_subnet(c, s);
122 /* If everything is correct, add the subnet to the list of the owner */
124 subnet_add(owner, s);
133 int send_del_subnet(connection_t *c, subnet_t *s)
139 x = send_request(c, "%d %lx %s %s", DEL_SUBNET, random(), s->owner->name, netstr);
145 int del_subnet_h(connection_t *c)
147 char subnetstr[MAX_STRING_SIZE];
148 char name[MAX_STRING_SIZE];
152 if(sscanf(c->buffer, "%*d %*x "MAX_STRING" "MAX_STRING, name, subnetstr) != 2)
154 syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_SUBNET", c->name, c->hostname);
158 /* Check if owner name is a valid */
162 syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid name"));
166 /* Check if the owner of the new subnet is in the connection list */
168 owner = lookup_node(name);
172 if(debug_lvl >= DEBUG_PROTOCOL)
173 syslog(LOG_WARNING, _("Got %s from %s (%s) for %s which is not in our node tree"),
174 "DEL_SUBNET", c->name, c->hostname, name);
178 /* Check if subnet string is valid */
180 s = str2net(subnetstr);
184 syslog(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid subnet string"));
188 if(seen_request(c->buffer))
191 /* If everything is correct, delete the subnet from the list of the owner */
195 find = lookup_subnet(owner, s);
201 if(debug_lvl >= DEBUG_PROTOCOL)
202 syslog(LOG_WARNING, _("Got %s from %s (%s) for %s which does not appear in his subnet tree"),
203 "DEL_SUBNET", c->name, c->hostname, name);
207 /* If we are the owner of this subnet, retaliate with an ADD_SUBNET */
211 if(debug_lvl >= DEBUG_PROTOCOL)
212 syslog(LOG_WARNING, _("Got %s from %s (%s) for ourself"), "DEL_SUBNET", c->name, c->hostname);
213 send_add_subnet(c, find);
221 /* Finally, delete it. */
223 subnet_del(owner, find);