use LIST in TCP_server

toxcore/TCP_server.c

@@ -99,15 +99,7 @@ static int realloc_connection(TCP_Server *TCP_server, uint32_t num)
  */
 static int get_TCP_connection_index(TCP_Server *TCP_server, uint8_t *public_key)
 {
-    //TODO optimize this function.
-    uint32_t i;
-
-    for (i = 0; i < TCP_server->size_accepted_connections; ++i) {
-        if (memcmp(TCP_server->accepted_connection_array[i].public_key, public_key, crypto_box_PUBLICKEYBYTES) == 0)
-            return i;
-    }
-
-    return -1;
+    return list_find(&TCP_server->accepted_key_list, public_key);
 }
 
 
@@ -154,6 +146,10 @@ static int add_accepted(TCP_Server *TCP_server, TCP_Secure_Connection *con)
     TCP_server->accepted_connection_array[index].identifier = ++TCP_server->counter;
     TCP_server->accepted_connection_array[index].last_pinged = unix_time();
     TCP_server->accepted_connection_array[index].ping_id = 0;
+
+    if (!list_add(&TCP_server->accepted_key_list, con->public_key, index))
+        return -1;
+
     return index;
 }
 
@@ -170,6 +166,9 @@ static int del_accepted(TCP_Server *TCP_server, int index)
     if (TCP_server->accepted_connection_array[index].status == TCP_STATUS_NO_STATUS)
         return -1;
 
+    if (!list_remove(&TCP_server->accepted_key_list, TCP_server->accepted_connection_array[index].public_key, index))
+        return -1;
+
     memset(&TCP_server->accepted_connection_array[index], 0, sizeof(TCP_Secure_Connection));
     --TCP_server->num_accepted_connections;
 
@@ -888,6 +887,9 @@ TCP_Server *new_TCP_server(uint8_t ipv6_enabled, uint16_t num_sockets, uint16_t
 
     memcpy(temp->public_key, public_key, crypto_box_PUBLICKEYBYTES);
     memcpy(temp->secret_key, secret_key, crypto_box_SECRETKEYBYTES);
+
+    list_init(&temp->accepted_key_list, crypto_box_PUBLICKEYBYTES);
+
     return temp;
 }
 
@@ -1040,6 +1042,8 @@ void kill_TCP_server(TCP_Server *TCP_server)
         set_callback_handle_recv_1(TCP_server->onion, NULL, NULL);
     }
 
+    list_free(&TCP_server->accepted_key_list);
+
     free(TCP_server->socks_listening);
     free(TCP_server);
 }

toxcore/TCP_server.h

@@ -25,6 +25,7 @@
 
 #include "crypto_core.h"
 #include "onion.h"
+#include "list.h"
 
 #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__MACH__)
 #define MSG_NOSIGNAL 0
@@ -110,6 +111,8 @@ typedef struct {
     uint32_t num_accepted_connections;
 
     uint64_t counter;
+
+    LIST accepted_key_list;
 } TCP_Server;
 
 /* Create new TCP server instance.

toxcore/list.h

@@ -23,6 +23,9 @@
  *
  */
 
+#ifndef LIST_H
+#define LIST_H
+
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
@@ -63,3 +66,5 @@ int list_add(LIST *list, void *data, int id);
  *  0 : failure (element not found or id does not match
  */
 int list_remove(LIST *list, void *data, int id);
+
+#endif