1 files changed, 43 insertions, 0 deletions
diff --git a/Semestr 4/sieci/pracownia2/router/network_addr.h b/Semestr 4/sieci/pracownia2/router/network_addr.h
new file mode 100644
index 0000000..777406a
--- /dev/null
+++ b/Semestr 4/sieci/pracownia2/router/network_addr.h
@@ -0,0 +1,43 @@
+#ifndef ROUTER_ADDR_H
+#define ROUTER_ADDR_H
+
+#include <arpa/inet.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define INFINITY_DIST 128
+
+/* Network address and sitance */
+struct network_addr {
+  struct in_addr  addr;
+  uint16_t        distance;
+  uint8_t         netmask;
+};
+
+typedef struct network_addr router_addr;
+
+/* Item of the distance vector. 
+ * If <<reachable>> is set to 0, then it means that the network is reachable.
+ * If <<reachable>> has positive value, then it indicates that the network was
+ * unreachable for <<reachable>> turns.
+ */
+struct vector_item {
+  struct network_addr network;
+  struct in_addr      via_ip;
+  uint8_t             reachable;
+};
+
+/* Returns broadcast address of a given network. */
+struct in_addr get_broadcast_address(struct network_addr na);
+
+/* Returns network address of a given network */
+struct in_addr get_network_address(struct network_addr na);
+
+/* Prints network_addr via stdio. */
+void pretty_print(struct network_addr na);
+
+/* Converts string of ip in CIDR notation with a netmask to network_addr. */
+struct network_addr stora(char *str);
+
+
+#endif
+\ No newline at end of file