/*
protocol.c -- handle the meta-protocol, basic functions
- Copyright (C) 1999-2001 Ivo Timmermans <itimmermans@bigfoot.com>,
- 2000,2001 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 1999-2001 Ivo Timmermans <ivo@o2w.nl>,
+ 2000,2001 Guus Sliepen <guus@sliepen.eu.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: protocol.c,v 1.28.4.126 2002/03/22 13:31:18 guus Exp $
+ $Id: protocol.c,v 1.28.4.135 2002/09/09 19:39:59 guus Exp $
*/
#include "config.h"
char buffer[MAXBUFSIZE];
int len, request;
-cp
+ cp();
/* Use vsnprintf instead of vasprintf: faster, no memory
fragmentation, cleanup is automatic, and there is a limit on the
input buffer anyway */
}
buffer[len++] = '\n';
-cp
- return send_meta(c, buffer, len);
+ cp();
+ if(c == broadcast)
+ return broadcast_meta(NULL, buffer, len);
+ else
+ return send_meta(c, buffer, len);
+}
+
+int forward_request(connection_t *from)
+{
+ int request;
+ cp();
+ if(debug_lvl >= DEBUG_PROTOCOL)
+ {
+ sscanf(from->buffer, "%d", &request);
+ if(debug_lvl >= DEBUG_META)
+ syslog(LOG_DEBUG, _("Forwarding %s from %s (%s): %s"), request_name[request], from->name, from->hostname, from->buffer);
+ else
+ syslog(LOG_DEBUG, _("Forwarding %s from %s (%s)"), request_name[request], from->name, from->hostname);
+ }
+
+ from->buffer[from->reqlen - 1] = '\n';
+ cp();
+ return broadcast_meta(from, from->buffer, from->reqlen);
}
int receive_request(connection_t *c)
{
int request;
-cp
+ cp();
if(sscanf(c->buffer, "%d", &request) == 1)
{
- if((request < 0) || (request >= LAST) || (request_handlers[request] == NULL))
+ if((request < 0) || (request >= LAST) || !request_handlers[request])
{
if(debug_lvl >= DEBUG_META)
syslog(LOG_DEBUG, _("Unknown request from %s (%s): %s"),
c->name, c->hostname);
return -1;
}
-cp
+ cp();
return 0;
}
-int request_compare(past_request_t *a, past_request_t *b)
+int past_request_compare(past_request_t *a, past_request_t *b)
{
-cp
+ cp();
return strcmp(a->request, b->request);
}
+void free_past_request(past_request_t *r)
+{
+ cp();
+ if(r->request)
+ free(r->request);
+ free(r);
+ cp();
+}
+
void init_requests(void)
{
-cp
- past_request_tree = avl_alloc_tree((avl_compare_t)request_compare, (avl_action_t)free);
-cp
+ cp();
+ past_request_tree = avl_alloc_tree((avl_compare_t)past_request_compare, (avl_action_t)free_past_request);
+ cp();
}
void exit_requests(void)
{
-cp
+ cp();
avl_delete_tree(past_request_tree);
-cp
+ cp();
}
int seen_request(char *request)
{
past_request_t p, *new;
-cp
+ cp();
p.request = request;
if(avl_search(past_request_tree, &p))
avl_insert(past_request_tree, new);
return 0;
}
-cp
+ cp();
}
void age_past_requests(void)
avl_node_t *node, *next;
past_request_t *p;
int left = 0, deleted = 0;
-cp
+ cp();
for(node = past_request_tree->head; node; node = next)
{
next = node->next;
if(debug_lvl >= DEBUG_SCARY_THINGS && left + deleted)
syslog(LOG_DEBUG, _("Aging past requests: deleted %d, left %d\n"), deleted, left);
-cp
+ cp();
}
/* Jumptable for the request handlers */
id_h, metakey_h, challenge_h, chal_reply_h, ack_h,
status_h, error_h, termreq_h,
ping_h, pong_h,
-// add_node_h, del_node_h,
add_subnet_h, del_subnet_h,
add_edge_h, del_edge_h,
key_changed_h, req_key_h, ans_key_h,
"ID", "METAKEY", "CHALLENGE", "CHAL_REPLY", "ACK",
"STATUS", "ERROR", "TERMREQ",
"PING", "PONG",
-// "ADD_NODE", "DEL_NODE",
"ADD_SUBNET", "DEL_SUBNET",
"ADD_EDGE", "DEL_EDGE",
"KEY_CHANGED", "REQ_KEY", "ANS_KEY",