libpurple/stun.h

branch
cpw.khc.msnp14
changeset 20478
46933dc62880
parent 20472
6a6d2ef151e6
parent 15884
4de1981757fc
child 20481
65485e2ed8a3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libpurple/stun.h	Sun Apr 15 03:43:17 2007 +0000
@@ -0,0 +1,87 @@
+/**
+ * @file stun.h STUN API
+ * @ingroup core
+ *
+ * purple
+ *
+ * Purple is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * 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
+ */
+#ifndef _PURPLE_STUN_H_
+#define _PURPLE_STUN_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**************************************************************************/
+/** @name STUN API                                                        */
+/**************************************************************************/
+/*@{*/
+
+typedef struct _PurpleStunNatDiscovery PurpleStunNatDiscovery;
+
+typedef enum {
+	PURPLE_STUN_STATUS_UNDISCOVERED = -1,
+	PURPLE_STUN_STATUS_UNKNOWN, /* no STUN server reachable */
+	PURPLE_STUN_STATUS_DISCOVERING,
+	PURPLE_STUN_STATUS_DISCOVERED
+} PurpleStunStatus;
+
+typedef enum {
+	PURPLE_STUN_NAT_TYPE_PUBLIC_IP,
+	PURPLE_STUN_NAT_TYPE_UNKNOWN_NAT,
+	PURPLE_STUN_NAT_TYPE_FULL_CONE,
+	PURPLE_STUN_NAT_TYPE_RESTRICTED_CONE,
+	PURPLE_STUN_NAT_TYPE_PORT_RESTRICTED_CONE,
+	PURPLE_STUN_NAT_TYPE_SYMMETRIC
+} PurpleStunNatType;
+
+struct _PurpleStunNatDiscovery {
+	PurpleStunStatus status;
+	PurpleStunNatType type;
+	char publicip[16];
+	char *servername;
+	time_t lookup_time;
+};
+
+typedef void (*StunCallback) (PurpleStunNatDiscovery *);
+
+/**
+ * Starts a NAT discovery. It returns a PurpleStunNatDiscovery if the discovery
+ * is already done. Otherwise the callback is called when the discovery is over
+ * and NULL is returned.
+ *
+ * @param cb The callback to call when the STUN discovery is finished if the
+ *           discovery would block.  If the discovery is done, this is NOT
+ *           called.
+ *
+ * @return a PurpleStunNatDiscovery which includes the public IP and the type
+ *         of NAT or NULL is discovery would block
+ */
+PurpleStunNatDiscovery *purple_stun_discover(StunCallback cb);
+
+void purple_stun_init(void);
+
+/*@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PURPLE_STUN_H_ */

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