1 files changed, 132 insertions, 0 deletions
diff --git a/pjlib-util/include/pjlib-util/turn_client.h b/pjlib-util/include/pjlib-util/turn_client.h
new file mode 100644
index 00000000..83d8d2d6
--- /dev/null
+++ b/pjlib-util/include/pjlib-util/turn_client.h
@@ -0,0 +1,132 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2003-2005 Benny Prijono <benny@prijono.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
+ * 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 __PJLIB_UTIL_TURN_CLIENT_H__
+#define __PJLIB_UTIL_TURN_CLIENT_H__
+
+/**
+ * @file turn_client.h
+ * @brief TURN client session.
+ */
+
+#include <pjlib-util/stun_msg.h>
+
+
+PJ_BEGIN_DECL
+
+
+/**
+ * @defgroup PJLIB_UTIL_TURN_CLIENT TURN Client Session
+ * @brief Management of STUN/TURN client session
+ * @ingroup PJLIB_UTIL_STUN
+ * @{
+ */
+
+typedef struct pj_turn_client pj_turn_client;
+
+/**
+ * This describes TURN client config.
+ */
+typedef struct pj_turn_client_cb
+{
+    /**
+     * Callback to be called by the TURN session to send outgoing message.
+     *
+     * @param client	    The TURN client session.
+     * @param pkt	    Packet to be sent.
+     * @param pkt_size	    Size of the packet to be sent.
+     * @param dst_addr	    The destination address.
+     * @param addr_len	    Length of destination address.
+     *
+     * @return		    The callback should return the status of the
+     *			    packet sending.
+     */
+    pj_status_t (*on_send_msg)(pj_turn_client *client,
+			       const void *pkt,
+			       pj_size_t pkt_size,
+			       const pj_sockaddr_t *dst_addr,
+			       unsigned addr_len);
+
+    /**
+     * Callback to be called by TURN session when its state has changed.
+     */
+    pj_status_t (*on_state_changed)(pj_turn_client *client);
+
+} pj_turn_client_cb;
+
+
+/**
+ * Options
+ */
+typedef struct pj_turn_client_config
+{
+    int	    bandwidth;
+    int	    lifetime;
+    int	    sock_type;
+    int	    port;
+} pj_turn_client_config;
+
+
+PJ_INLINE(void) pj_turn_client_config_default(pj_turn_client_config *cfg)
+{
+    pj_bzero(cfg, sizeof(*cfg));
+    cfg->bandwidth = -1;
+    cfg->lifetime = -1;
+    cfg->sock_type = -1;
+    cfg->port = -1;
+}
+
+
+/**
+ * This describes the TURN client session.
+ */
+struct pj_turn_client
+{
+    pj_pool_t	    *pool;
+    pj_stun_session *session;
+    pj_timer_entry   alloc_timer;
+    pj_sockaddr_in   mapped_addr;
+    pj_sockaddr_in   relay_addr;
+};
+
+
+
+
+/**
+ * Create the TURN client session.
+ */
+PJ_DECL(pj_status_t) pj_turn_client_create(pj_stun_endpoint *endpt,
+					   const pj_turn_client_config *cfg,
+					   const pj_turn_client_cb *cb,
+					   pj_turn_client **p_client);
+
+/**
+ * Start the TURN client session by sending Allocate request to the server.
+ */
+
+
+/**
+ * @}
+ */
+
+
+PJ_END_DECL
+
+
+#endif	/* __PJLIB_UTIL_TURN_CLIENT_H__ */
+