Diff: mDNSResponder.h

Revision:

0:0df3300689d2

Child:

2:2b00b659497a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mDNSResponder.h	Tue Aug 11 17:05:41 2015 +0000
@@ -0,0 +1,97 @@
+/*
+    Made by JB RYU, KOR - 2015
+    
+    class mDNSResponder
+*/
+
+#ifndef MDNS_RESPONDER_H
+#define MDNS_RESPONDER_H
+
+#include "lwip/opt.h"
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "dns-sd.h"
+
+#if LWIP_DNS /* don't build if not configured for use in lwipopts.h */
+
+#include "mbed.h"
+#include "mem.h"
+#include "memp.h"
+#include "dns.h"
+
+// As defined by IANA.
+//
+#define MDNS_PORT (5353)
+#define MCAST "224.0.0.251"
+
+// How long we announce our IP and URLs to be valid. Should
+// ideally be 1/3 or so of the DHCP lease time. But we do 
+// not know that.
+//
+#define MDNS_TTL ( 100 )
+
+// Rebroadcast our details more regularly than the TTL as 
+// we otherwise get dropped.
+//
+#ifndef MDNS_INTERVAL
+#define MDNS_INTERVAL ( MDNS_TTL * 2 / 3 )
+#endif
+
+#ifndef MDNS_QCACHE
+#define MDNS_QCACHE 1
+#endif
+
+#ifndef MDNS_MAXCACHEDNSLABELS
+#define MDNS_MAXCACHEDNSLABELS (10)
+#endif
+
+class mDNSResponder
+{
+public:
+    mDNSResponder();
+    virtual ~mDNSResponder();
+    void close();
+    void announce(char* ip);
+    void MDNS_process(void const *args);
+  
+private:
+  void IPstringToByte(char* IPstr);
+    char* skip_name(char* query);
+    void query_domain(void);
+    void register_service(char* number);
+    char* decode_name(char* query, char* packet);
+    void send_dns_ans(struct dns_hdr* hdr);
+
+    /*static objs from my uip-mdns */
+    static MY_SD_DOMAINS SD_domains;
+    static char PTR_query_name[PTR_QUERY_NAME_LEN];
+    static struct dns_hdr SD_res_hdr;
+
+    static char query_buf[1500];
+    static QR_MAP g_queries;
+    /* end - from my dns */
+    
+  char* IP_str;
+  uint8_t IP_byte[4];
+    
+  UDPSocket mdns_sock;
+    Endpoint rcv_endpt; //initial value := ip addr any
+    Endpoint send_endpt;
+};
+
+#endif
+
+#ifndef htons
+#define htons( x ) ( (( x << 8 ) & 0xFF00) | (( x >> 8 ) & 0x00FF) )
+#define ntohs( x ) (htons(x))
+#endif
+
+#ifndef htonl
+#define htonl( x ) ( (( x << 24 ) & 0xff000000)  \
+                   | (( x <<  8 ) & 0x00ff0000)  \
+                   | (( x >>  8 ) & 0x0000ff00)  \
+                   | (( x >> 24 ) & 0x000000ff)  )
+#define ntohl( x ) (htonl(x))
+#endif
+
+#endif