1 files changed, 129 insertions, 0 deletions
diff --git a/pjlib-util/src/pjlib-util/stun_server.c b/pjlib-util/src/pjlib-util/stun_server.c
new file mode 100644
index 00000000..d4d7fa8f
--- /dev/null
+++ b/pjlib-util/src/pjlib-util/stun_server.c
@@ -0,0 +1,129 @@
+/* $Id$ */
+/* 
+ * 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 
+ */
+#include <pjlib-util/stun_server.h>
+#include <pjlib-util/errno.h>
+#include <pj/assert.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+
+
+struct pj_stun_service
+{
+    pj_str_t		     name;
+    unsigned		     options;
+    void		    *user_data;
+    unsigned		     cb_cnt;
+    pj_stun_service_handler *cb;
+};
+
+
+/*
+ * Create STUN service.
+ */
+PJ_DEF(pj_status_t) pj_stun_service_create( pj_pool_t *pool,
+					    const char *name,
+					    unsigned options,
+					    unsigned handler_cnt,
+					    pj_stun_service_handler cb[],
+					    void *user_data,
+					    pj_stun_service **p_svc)
+{
+    pj_stun_service *svc;
+
+    PJ_ASSERT_RETURN(pool && handler_cnt && cb && p_svc, PJ_EINVAL);
+
+    svc = PJ_POOL_ZALLOC_TYPE(pool, pj_stun_service);
+    svc->options = options;
+    svc->user_data = user_data;
+
+    if (!name) name = "pj_stun_service";
+
+    pj_strdup2_with_null(pool, &svc->name, name);
+    
+    svc->cb_cnt = handler_cnt;
+    svc->cb = pj_pool_calloc(pool, handler_cnt,	
+			     sizeof(pj_stun_service_handler));
+    pj_memcpy(svc->cb, cb, handler_cnt * sizeof(pj_stun_service_handler));
+
+    *p_svc = svc;
+
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Destroy STUN service
+ */
+PJ_DEF(pj_status_t) pj_stun_service_destroy(pj_stun_service *svc)
+{
+    PJ_ASSERT_RETURN(svc, PJ_EINVAL);
+    return PJ_SUCCESS;
+}
+
+
+/*
+ * Get user data associated with the STUN service.
+ */
+PJ_DEF(void*) pj_stun_service_get_user_data(pj_stun_service *svc)
+{
+    PJ_ASSERT_RETURN(svc, NULL);
+    return svc->user_data;
+}
+
+
+/*
+ * Find handler.
+ */
+static pj_stun_service_handler *find_handler(pj_stun_service *svc,
+					     int msg_type)
+{
+    unsigned i;
+
+    for (i=0; i<svc->cb_cnt; ++i) {
+	if (svc->cb[i].msg_type == msg_type)
+	    return &svc->cb[i];
+    }
+
+    return NULL;
+}
+
+
+/*
+ * Instruct the STUN service to handle incoming STUN message.
+ */
+PJ_DEF(pj_status_t) pj_stun_service_handle_msg( pj_stun_service *svc,
+					        void *handle_data,
+						const pj_stun_msg *msg)
+{
+    pj_stun_service_handler *handler;
+
+    PJ_ASSERT_RETURN(svc && msg, PJ_EINVAL);
+
+    handler = find_handler(svc, msg->hdr.type);
+    if (handler == NULL)
+	return PJLIB_UTIL_ESTUNNOHANDLER;
+
+    return (*handler->handle_msg)(svc, handle_data, msg);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////
+
+
+