Porting PicoTCP WIP

kernel/picotcp/modules/pico_dns_client.h

@@ -0,0 +1,50 @@
+/*********************************************************************
+   PicoTCP. Copyright (c) 2012 TASS Belgium NV. Some rights reserved.
+   See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
+
+   .
+
+   Authors: Kristof Roelants
+ *********************************************************************/
+
+#ifndef INCLUDE_PICO_DNS_CLIENT
+#define INCLUDE_PICO_DNS_CLIENT
+
+#define PICO_DNS_NS_DEL 0
+#define PICO_DNS_NS_ADD 1
+#include "pico_config.h"
+
+/* Compression values */
+#define PICO_DNS_LABEL 0
+#define PICO_DNS_POINTER 3
+
+/* Label len */
+#define PICO_DNS_LABEL_INITIAL 1u
+#define PICO_DNS_LABEL_ROOT 1
+
+/* TTL values */
+#define PICO_DNS_MAX_TTL 604800 /* one week */
+
+/* Len of an IPv4 address string */
+#define PICO_DNS_IPV4_ADDR_LEN 16
+#define PICO_DNS_IPV6_ADDR_LEN 54
+
+/* Default nameservers + port */
+#define PICO_DNS_NS_DEFAULT "208.67.222.222"
+#define PICO_DNS_NS_PORT 53
+
+/* RDLENGTH for A and AAAA RR's */
+#define PICO_DNS_RR_A_RDLENGTH 4
+#define PICO_DNS_RR_AAAA_RDLENGTH 16
+
+int pico_dns_client_init(void);
+/* flag is PICO_DNS_NS_DEL or PICO_DNS_NS_ADD */
+int pico_dns_client_nameserver(struct pico_ip4 *ns, uint8_t flag);
+int pico_dns_client_getaddr(const char *url, void (*callback)(char *ip, void *arg), void *arg);
+int pico_dns_client_getname(const char *ip, void (*callback)(char *url, void *arg), void *arg);
+#ifdef PICO_SUPPORT_IPV6
+int pico_dns_client_getaddr6(const char *url, void (*callback)(char *, void *), void *arg);
+int pico_dns_client_getname6(const char *url, void (*callback)(char *, void *), void *arg);
+#endif
+
+#endif /* _INCLUDE_PICO_DNS_CLIENT */