What am I doing wrong?

server/tcp_network_manager.cpp

@@ -1,22 +1,34 @@
 #include "tcp_network_manager.hpp"
 
+#include <stdexcept>
+
 TCPNetworkManager::TCPNetworkManager() {
-	maxConnections = currentConnections = 0;
+	//
 }
 
 TCPNetworkManager::~TCPNetworkManager() {
 	//
 }
 
-void TCPNetworkManager::Init(int maxConnections) {
-	//
+void TCPNetworkManager::Init(Uint16 port, int maxSockets) {
+	IPaddress add;
+	if (SDLNet_ResolveHost(&add, nullptr, port)) {
+		throw(std::runtime_error("Failed to resolve the host"));
+	}
+	if (!(sock = SDLNet_TCP_Open(&add))) {
+		throw(std::runtime_error("Failed to create the server socket"));
+	}
+	if (!(clientSocks = SDLNet_AllocSocketSet(maxSockets))) {
+		throw(std::runtime_error("Failed to allocate the socket set"));
+	}
 }
 
 void TCPNetworkManager::Quit() {
-	//
+	SDLNet_FreeSocketSet(clientSocks);
+	SDLNet_TCP_Close(sock);
 }
 
-int TCPNetworkManager::AcceptConnection() {
+int TCPNetworkManager::AcceptConnections() {
 	//
 }
 
@@ -44,10 +56,10 @@ int TCPNetworkManager::CloseSocket(int index) {
 	//
 }
 
-int TCPNetworkManager::GetMaxConnections() {
+int TCPNetworkManager::GetMaxConnections() const {
 	//
 }
 
-int TCPNetworkManager::GetCurrentConnections() {
+int TCPNetworkManager::GetCurrentConnections() const {
 	//
 }