Added base DHT.c

core/DHT.c

@@ -0,0 +1,86 @@
+#include "DHT.h"
+
+//send a getnodes request
+int getnodes()
+{
+    
+    
+    
+    
+}
+
+//send a ping request
+//Currently incomplete: missing the ping_id part
+int ping(IP_Port ip_port)
+{
+    char data[37];
+    data[0] = 00;
+    memcpy(data + 5, self_client_id, 32);
+    ADDR addr = {.family = AF_INET, .ip = ip_port.ip, .port = ip_port.port};
+    
+    return sendto(sock, data, sizeof(data) - 1, 0, (struct sockaddr *)&addr, addrlen);
+    //sendto(int socket_descriptor,  char *buffer,  int buffer_length, int flags, struct sockaddr *destination_address, int address_length);
+}
+
+
+
+void addfriend(char * client_id)
+{
+    
+    
+    
+    
+}
+
+
+
+
+
+char delfriend(char * client_id);
+{
+    
+    
+    
+    
+}
+
+
+
+
+
+IP_Port getfriendip(char * client_id)
+{
+    
+    
+    
+}
+
+
+
+
+void DHT_recvpacket(char * packet, uint32_t length)
+{
+    
+    
+}
+
+
+
+
+void doDHT()
+{
+    
+    
+    
+}
+
+
+
+
+void bootstrap(IP_Port ip_port)
+{
+    
+    
+    
+    
+}