1 files changed, 16 insertions, 4 deletions

diff --git a/core/DHT.h b/core/DHT.h
index 7493761a..82a16cb7 100644
--- a/core/DHT.h
+++ b/core/DHT.h
@@ -1,3 +1,6 @@
+#ifndef DHT_H 
+#define DHT_H 
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
@@ -48,15 +51,22 @@ typedef struct
     uint32_t timestamp;
     
 }Client_data;
-
-
+//maximum number of clients stored per friend.
+#define MAX_FRIEND_CLIENTS 8
 typedef struct
 {
     char client_id[CLIENT_ID_SIZE];
-    Client_data client_list[8];
+    Client_data client_list[MAX_FRIEND_CLIENTS];
     
 }Friend;
 
+
+typedef struct
+{
+    char client_id[CLIENT_ID_SIZE];
+    IP_Port ip_port;
+}Node_format;
+
 typedef struct
 {
     IP_Port ip_port;
@@ -153,4 +163,6 @@ int sendpacket(IP_Port ip_port, char * data, uint32_t length);
 //Function to recieve data, ip and port of sender is put into ip_port
 //the packet data into data
 //the packet length into length.
-int recievepacket(IP_Port * ip_port, char * data, uint32_t * length);
\ No newline at end of file
+int recievepacket(IP_Port * ip_port, char * data, uint32_t * length);
+
+#endif 
\ No newline at end of file