Revert "Merge branch 'master' into add-message"

This reverts commit 8da14978d6, reversing
changes made to 704ed2a523.

.gitignore

@@ -1,3 +0,0 @@
-dazibao
-*.o
-debug.*

src/node.c

@@ -21,10 +21,59 @@ static list *neighbour_list;
 
 /* ----  Fonctions utilitaires  ---- */
 
-void debug_print(char message_debug){
-	if (debug_flag == 1) {
-		printf("\x1b[33m\x1b[4m>> Debug :\x1b[0m\x1b[33m %s\x1b[0m\n", message_debug );
-	}
+// Looks for more peers
+int ask_for_peers(int socket_num) {
+    print_debug(">> Asking for more peers...");
+    // Only ask for more peers if the neighbour list is small enough
+    int nbr_peers = len_list(neighbour_list);
+    if( nbr_peers >= 5){
+        return 0;
+    } else if (nbr_peers <= 0){
+        print_debug(">> No peers found in the peer list, something terrible happened.");
+        return -1;
+    } else {
+
+        // Get random peer
+        neighbour_peer *peer = get_random_neighbour();
+        struct in6_addr ip = peer->ip;
+        int16_t port = peer->port;
+
+        /*int ifindex = if_nametoindex("enp3s0");
+        if(ifindex == 0) {
+            int ifindex = if_nametoindex("eth0");
+            if(ifindex == 0) {
+                perror("if_nametoindex failed");
+                return -1;
+            }
+        }*/
+
+        int ifindex = 0;
+
+        // Initialize sockaddr
+        struct sockaddr_in6 dest;
+        memset(&dest, 0, sizeof(struct sockaddr_in6));
+        dest.sin6_family = AF_INET6;
+        memcpy(&dest.sin6_addr, &ip, 16);
+        dest.sin6_port = htons(port);
+        dest.sin6_scope_id = ifindex;
+
+        // Send neighbour request TLV
+        tlv neighbour_req;
+        neighbour_req.pad1 = NULL;
+        int rc = build_neighbour_req(&neighbour_req);
+        if (rc < 0) {
+            print_debug(">> Failed to build neighbour_req");
+        }
+
+        rc = send_single_tlv(&neighbour_req, &dest, socket_num);
+        if (rc < 0) {
+            print_debug(">> Error while sending a TLV.");
+            return -1;
+        } else {
+            print_debug(">> Send TLV.");
+            return 0;
+        }
+    }
 }
 
 // Get list length

src/node.h

@@ -121,8 +121,6 @@ int bootstrap_node(int * sock_fd);
 // Helper functions
 int len_list(list *l);
 
-void debug_print(char message_debug);
-
 neighbour_peer *get_random_neighbour();
 
 // Search for this peer in the neighbour table