RTM Project

Mac-List/mac-list.c

@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mac-list.h"
+#include "dll.h"
+#include "routing-table.h"
+
+extern int get_IP(const char* mac, char* ip);
+
+/*
+* Display each row (entry) of a routing table.
+*/
+
+void display_mac_list(const dll_t* mac_list) {
+
+	printf("Printing MAC list\n");
+	
+	dll_node_t* node = mac_list->head->next;
+	while (node != mac_list->head) {
+
+		mac_list_entry_t entry = *((mac_list_entry_t*) node->data);
+		printf("MAC: %s ", entry.mac);
+
+		char ip[IP_ADDR_LEN];
+
+		if (get_IP(entry.mac, ip) != -1) {
+			printf("IP: %s", ip);
+		}
+
+		putchar('\n');
+		node = node->next;
+	}
+}
+
+/*
+* Look up entry in MAC list by MAC address.
+*/
+
+dll_node_t* find_mac(const dll_t* mac_list, const char* mac) {
+	
+	dll_node_t* node = mac_list->head->next;
+
+	while (node != mac_list->head) {
+		mac_list_entry_t entry = *((mac_list_entry_t*)node->data);
+		if (!strcmp(entry.mac, mac)) {
+			break;
+		}
+
+		node = node->next;
+	}
+
+	return node;
+}