Moved all generic IP files into the net/ip module

core/net/ip/resolv.h

@@ -0,0 +1,109 @@
+/**
+ * \file
+ * uIP 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.
+ *
+ *
+ */
+#ifndef RESOLV_H_
+#define RESOLV_H_
+
+#include "contiki.h"
+#include "uip.h"
+
+/** If RESOLV_CONF_SUPPORTS_MDNS is set, then queries
+ *  for domain names in the `local` TLD will use MDNS and
+ *  will respond to MDNS queries for this device's hostname,
+ *  as described by draft-cheshire-dnsext-multicastdns.
+ */
+#ifndef RESOLV_CONF_SUPPORTS_MDNS
+#define RESOLV_CONF_SUPPORTS_MDNS     (1)
+#endif
+
+/**
+ * Event that is broadcasted when a DNS name has been resolved.
+ */
+CCIF extern process_event_t resolv_event_found;
+
+/* Functions. */
+CCIF void resolv_conf(const uip_ipaddr_t * dnsserver);
+
+CCIF uip_ipaddr_t *resolv_getserver(void);
+
+enum {
+  /** Hostname is fresh and usable. This response is cached and will eventually
+   *  expire to RESOLV_STATUS_EXPIRED.*/
+  RESOLV_STATUS_CACHED = 0,
+
+  /** Hostname was not found in the cache. Use resolv_query() to look it up. */
+  RESOLV_STATUS_UNCACHED,
+
+  /** Hostname was found, but it's status has expired. The address returned
+   *  should not be used. Use resolv_query() to freshen it up.
+   */
+  RESOLV_STATUS_EXPIRED,
+
+  /** The server has returned a not-found response for this domain name.
+   *  This response is cached for the period described in the server.
+   *  You may issue a new query at any time using resolv_query(), but
+   *  you will generally want to wait until this domain's status becomes
+   *  RESOLV_STATUS_EXPIRED.
+   */
+  RESOLV_STATUS_NOT_FOUND,
+
+  /** This hostname is in the process of being resolved. Try again soon. */
+  RESOLV_STATUS_RESOLVING,
+
+  /** Some sort of server error was encountered while trying to look up this
+   *  record. This response is cached and will eventually expire to
+   *  RESOLV_STATUS_EXPIRED.
+   */
+  RESOLV_STATUS_ERROR,
+};
+
+typedef uint8_t resolv_status_t;
+
+CCIF resolv_status_t resolv_lookup(const char *name, uip_ipaddr_t ** ipaddr);
+
+CCIF void resolv_query(const char *name);
+
+#if RESOLV_CONF_SUPPORTS_MDNS
+CCIF void resolv_set_hostname(const char *hostname);
+
+CCIF const char *resolv_get_hostname(void);
+#endif
+
+PROCESS_NAME(resolv_process);
+
+#endif /* RESOLV_H_ */