From 72b00cb07d0b99f567c36b5c1da31fa476466e33 Mon Sep 17 00:00:00 2001
From: n07070 <social+gitgr@n07070.xyz>
Date: Wed, 29 Apr 2020 16:40:01 +0200
Subject: [PATCH] Added printing the peer list

---
 src/debug.c | 41 ++++++++++++++++++++++++++++++++++++++++-
 src/debug.h |  6 ++++++
 src/node.c  |  4 ++++
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/debug.c b/src/debug.c
index e00c265..1c46f4e 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -1,11 +1,13 @@
 #include <stdio.h>
 #include "debug.h"
+#include "node.h"
+#include <arpa/inet.h>
 
 void print_debug(char * msg){
     if (DEBUG_LEVEL > 0) {
         printf("\x1b[31m[DEBUG]\x1b[0m %s \n", msg);
     }
-    if (DEBUG_LEVEL > 2) {
+    if (DEBUG_LEVEL > 9) {
         getchar();
     }
 }
@@ -16,3 +18,40 @@ void print_error(char * msg){
         getchar();
     }
 }
+
+// typedef struct neighbour_peer {
+//     struct in6_addr ip;
+//     int16_t port;
+//     char is_temporary;
+//     time_t last_seen;
+// } neighbour_peer;
+
+void print_peers(list * l){
+    // Print out the peers we have in the neighbour_list
+    int nbr_peers = 0;
+    if (l == NULL) {
+        print_error("The neighbour_list is empty !");
+    } else {
+        print_debug(">> Printing out peer list :");
+        while(l != NULL){
+            neighbour_peer * peer = (neighbour_peer *) l->data;
+            char * buff_str_ip[1024];
+            char * ip_str = (char * ) inet_ntop(AF_INET6,&peer->ip,(char * restrict) buff_str_ip, 1024);
+            int last_seen = time(NULL) - peer->last_seen;
+            printf("\x1b[31m[DEBUG]\x1b[0m >> %s @ %i | is temporary ? %s | last seen %i secs ago. |\n", ip_str, peer->port, peer->is_temporary ? "yes":"no", last_seen);
+            nbr_peers++;
+            if (l->next == NULL) {
+                break;
+            } else {
+                l = l->next;
+            }
+
+        }
+        printf("\x1b[31m[DEBUG]\x1b[0m >> Found %i peers.\n", nbr_peers);
+        print_debug(">> Finished printing peer list.");
+    }
+}
+
+void print_data(list * l){
+
+}
diff --git a/src/debug.h b/src/debug.h
index 33e51db..a8f01d6 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -1,9 +1,15 @@
 #ifndef DEBUG_H
 #define DEBUG_H
+#include "node.h"
+
 
 #define DEBUG_LEVEL 2
 
 void print_debug(char * msg);
 
 void print_error(char * msg);
+
+void print_peers(list * l);
+
+void print_data(list * l);
 #endif
diff --git a/src/node.c b/src/node.c
index e8b3e31..6960057 100644
--- a/src/node.c
+++ b/src/node.c
@@ -24,9 +24,12 @@ static list *neighbour_list;
 // Looks for more peers
 int ask_for_peers(int socket_num) {
     print_debug(">> Asking for more peers...");
+    // Print out the current peer list.
+
     // Only ask for more peers if the neighbour list is small enough
     int nbr_peers = len_list(neighbour_list);
     if( nbr_peers >= 5){
+        print_debug(">> We have enough peers, skipping...");
         return 0;
     } else if (nbr_peers <= 0){
         print_debug(">> No peers found in the peer list, something terrible happened.");
@@ -1113,6 +1116,7 @@ int listen_for_packets(char * received_data_buffer, int received_data_len, struc
 }
 
 int t_ask_for_more_peers(int sock_fd){
+    print_peers(neighbour_list);
 	return ask_for_peers(sock_fd);
 }