--- /dev/null
+/*
+ * IRC - Internet Relay Chat, include/uping.h
+ * Copyright (C) 1995 Carlo Wood
+ *
+ * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief UDP ping implementation.
+ * @version $Id$
+ */
+#ifndef INCLUDED_uping_h
+#define INCLUDED_uping_h
+#ifndef INCLUDED_sys_types_h
+#include <sys/types.h>
+#define INCLUDED_sys_types_h
+#endif
+#ifndef INCLUDED_netinet_in_h
+#include <netinet/in.h>
+#define INCLUDED_netinet_in_h
+#endif
+#ifndef INCLUDED_ircd_defs_h
+#include "ircd_defs.h"
+#endif
+#ifndef INCLUDED_ircd_events_h
+#include "ircd_events.h"
+#endif
+#ifndef INCLUDED_res_h
+#include "res.h"
+#endif
+
+struct Client;
+struct ConfItem;
+
+/** Tracks state of a UDP ping to some other server. */
+struct UPing
+{
+ struct UPing* next; /**< next ping in list */
+ int fd; /**< socket file descriptor */
+ struct irc_sockaddr addr; /**< socket name (ip addr, port, family ) */
+ char count; /**< number of pings requested */
+ char sent; /**< pings sent */
+ char received; /**< pings received */
+ char active; /**< ping active flag */
+ struct Client* client; /**< who requested the pings */
+ time_t lastsent; /**< when last ping was sent */
+ int ms_min; /**< minimum time in milliseconds */
+ int ms_ave; /**< average time in milliseconds */
+ int ms_max; /**< maximum time in milliseconds */
+ struct Socket socket; /**< socket structure */
+ struct Timer sender; /**< timer telling when next to send a ping */
+ struct Timer killer; /**< timer to kill us */
+ unsigned int freeable; /**< zero when structure can be free()'d */
+ char name[HOSTLEN + 1]; /**< server name to poing */
+ char buf[BUFSIZE]; /**< buffer to hold ping times */
+};
+
+#define UPING_PENDING_SOCKET 0x01 /**< pending socket destruction event */
+#define UPING_PENDING_SENDER 0x02 /**< pending sender destruction event */
+#define UPING_PENDING_KILLER 0x04 /**< pending killer destruction event */
+
+extern int uping_init(void);
+extern void uping_send(struct UPing* pptr);
+extern void uping_read(struct UPing* pptr);
+extern void uping_end(struct UPing* pptr);
+extern void uping_cancel(struct Client *sptr, struct Client *acptr);
+extern struct UPing* uping_begin(void);
+extern int uping_server(struct Client* sptr, struct ConfItem* aconf, int port, int count);
+
+
+#endif /* INCLUDED_uping_h */