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Project/Src/rt-thread/components/net/uip/apps/resolv/resolv.h

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+/**
+ * \addtogroup resolv
+ * @{
+ */
+/**
+ * \file
+ * DNS resolver code header file.
+ * \author Adam Dunkels <adam@dunkels.com>
+ */
+
+/*
+ * Copyright (c) 2002-2003, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file is part of the uIP TCP/IP stack.
+ *
+ * $Id: resolv.h,v 1.4 2006/06/11 21:46:37 adam Exp $
+ *
+ */
+#ifndef __RESOLV_H__
+#define __RESOLV_H__
+
+typedef int uip_udp_appstate_t;
+void resolv_appcall(void);
+#define UIP_UDP_APPCALL resolv_appcall
+
+#include "uipopt.h"
+
+/**
+ * Callback function which is called when a hostname is found.
+ *
+ * This function must be implemented by the module that uses the DNS
+ * resolver. It is called when a hostname is found, or when a hostname
+ * was not found.
+ *
+ * \param name A pointer to the name that was looked up.  \param
+ * ipaddr A pointer to a 4-byte array containing the IP address of the
+ * hostname, or NULL if the hostname could not be found.
+ */
+void resolv_found(char *name, u16_t *ipaddr);
+
+/* Functions. */
+void resolv_conf(u16_t *dnsserver);
+u16_t *resolv_getserver(void);
+void resolv_init(void);
+u16_t *resolv_lookup(char *name);
+void resolv_query(char *name);
+
+#endif /* __RESOLV_H__ */
+
+/** @} */