From cad2569f10e6c0131e5e645ee76330c776b91547 Mon Sep 17 00:00:00 2001
From: littleblack111 <littleblack11111@gmail.com>
Date: Thu, 19 Jun 2025 18:45:34 +0800
Subject: fix!: share pointer

for details: https://stackoverflow.com/a/5548314
---
 include/libsock/server/client.hpp  | 10 +++-------
 include/libsock/server/clients.hpp | 11 ++++++++---
 include/libsock/server/server.hpp  |  9 ++++++---
 src/server/client.cpp              | 17 ++++++++++-------
 src/server/clients.cpp             | 27 ++++++++++++++++++++++-----
 src/server/server.cpp              | 29 +++++++++++++++++++++++++----
 6 files changed, 74 insertions(+), 29 deletions(-)

diff --git a/include/libsock/server/client.hpp b/include/libsock/server/client.hpp
index 1799f34..0579a38 100644
--- a/include/libsock/server/client.hpp
+++ b/include/libsock/server/client.hpp
@@ -1,6 +1,8 @@
 #pragma once
 
 #include "../types.hpp"
+#include "clients.hpp"
+#include "server.hpp"
 #include <any>
 #include <format>
 #include <functional>
@@ -12,12 +14,6 @@
 namespace LibSock {
 namespace Server {
 
-class Server;
-class Clients;
-
-extern SP<Server>  pServer;
-extern SP<Clients> pClients;
-
 struct SRecvData {
 	std::string	 data;
 	const size_t size = 1024;
@@ -52,7 +48,7 @@ class Client {
 	bool isValid();
 
   private:
-	Client(SP<Server> server = SP<Server>(pServer), SP<Clients> clients = pClients, bool track = false, bool oneShot = true);
+	Client(SP<Server> server = pServer, SP<Clients> clients = pClients, bool track = false, bool oneShot = true);
 
 	WP<Client>					 self;
 	SP<LibSock::CFileDescriptor> m_sockfd;
diff --git a/include/libsock/server/clients.hpp b/include/libsock/server/clients.hpp
index ba0b40d..8eccbb7 100644
--- a/include/libsock/server/clients.hpp
+++ b/include/libsock/server/clients.hpp
@@ -3,6 +3,7 @@
 #include "../types.hpp"
 #include <any>
 #include <functional>
+#include <memory>
 #include <optional>
 #include <string>
 #include <thread>
@@ -17,9 +18,10 @@ struct SData {
 	std::string				  msg;
 	std::optional<WP<Client>> sender = std::nullopt;
 };
-class Clients {
+
+class Clients : public std::enable_shared_from_this<Clients> {
   public:
-	Clients();
+	static SP<Clients> create();
 	~Clients();
 
 	WP<Client> newClient(std::optional<std::function<std::any(WP<Client>)>> cb = std::nullopt);
@@ -36,13 +38,16 @@ class Clients {
 	std::vector<SData>		getDatas() const;
 
   private:
+	Clients();
 	void broadcast(const SData &msg);
 
 	std::vector<std::pair<std::jthread, SP<Client>>> m_vClients;
 	std::vector<SData>								 m_vDatas;
 
+	SP<Clients> get();
+
 	friend class Client;
 };
-
+inline SP<Clients> pClients;
 } // namespace Server
 } // namespace LibSock
diff --git a/include/libsock/server/server.hpp b/include/libsock/server/server.hpp
index 1b52e2f..225bdb0 100644
--- a/include/libsock/server/server.hpp
+++ b/include/libsock/server/server.hpp
@@ -1,24 +1,27 @@
 #pragma once
 
 #include "../types.hpp"
+#include <memory>
 #include <mutex>
 #include <netinet/in.h>
-#include <vector>
 
 namespace LibSock {
 namespace Server {
 
-class Server {
+class Server : public std::enable_shared_from_this<Server> {
   public:
-	Server(uint16_t port, bool reuseaddr = true, bool keepalive = false);
+	static SP<Server> create(uint16_t port, bool reuseaddr = true, bool keepalive = false);
 	~Server();
 	SP<LibSock::CFileDescriptor> getSocket() const;
 
   private:
+	Server(uint16_t port, bool reuseaddr = true, bool keepalive = false);
 	SP<LibSock::CFileDescriptor> m_sockfd;
 	sockaddr_in					 m_addr;
 	uint16_t					 m_port;
 
+	SP<Server> get();
+
 	mutable std::mutex m_mutex;
 };
 inline SP<Server> pServer;
diff --git a/src/server/client.cpp b/src/server/client.cpp
index cfc512a..01e4544 100644
--- a/src/server/client.cpp
+++ b/src/server/client.cpp
@@ -16,13 +16,16 @@ using namespace LibSock::Server;
 Client::Client(SP<Server> server, SP<Clients> clients, bool track, bool oneShot)
 	: m_track(track)
 	, m_oneShot(oneShot) {
-	if (!pServer || !pClients)
-		throw std::runtime_error("server:client: Server/ClientManager doesn't exist");
-	m_sockfd = std::make_shared<LibSock::CFileDescriptor>(
-		accept(pServer->getSocket()->get(), reinterpret_cast<sockaddr *>(&m_addr),
-			   &m_addrLen)
-	); // if this is in the init list, it will run before
-	   // m_addrLen, so it won't work :/
+	pServer	 = std::move(server);
+	pClients = std::move(clients);
+
+	if (!pClients)
+		throw std::runtime_error("server:client: ClientManager doesn't exist");
+	if (!pServer)
+		throw std::runtime_error("server:client: Server doesn't exist");
+
+	m_sockfd = std::make_shared<LibSock::CFileDescriptor>(accept(pServer->getSocket()->get(), reinterpret_cast<sockaddr *>(&m_addr), &m_addrLen)); // if this is in the init list, it will run before
+																																				   // m_addrLen, so it won't work :/
 
 	if (!m_sockfd->isValid())
 		throw std::runtime_error("server:client: Failed to create socket");
diff --git a/src/server/clients.cpp b/src/server/clients.cpp
index c957d92..201ccc6 100644
--- a/src/server/clients.cpp
+++ b/src/server/clients.cpp
@@ -9,6 +9,9 @@
 
 using namespace LibSock::Server;
 
+namespace LibSock {
+namespace Server {
+
 void Clients::shutdownClients(std::optional<std::function<std::any(const std::vector<std::pair<std::jthread, SP<Client>>> &)>> cb) {
 	if (m_vClients.empty())
 		return;
@@ -27,14 +30,25 @@ void Clients::shutdownClients(std::optional<std::function<std::any(const std::ve
 
 Clients::Clients() {
 	if (std::atexit([]() {
-			pClients->shutdownClients();
+			if (pClients)
+				pClients->shutdownClients();
 		}))
 		void(); // failed to register exit handler...
+}
+
+SP<Clients> Clients::create() {
 	if (pClients)
-		throw std::runtime_error("server:client: ClientManager already exist");
+		throw std::runtime_error("server:clients ClientManager already exist");
 
-	pClients = SP<Clients>(this);
-};
+	pClients = SP<Clients>(new Clients());
+	return pClients;
+}
+
+SP<Clients> Clients::get() {
+	if (!pClients)
+		pClients = shared_from_this();
+	return pClients;
+}
 
 Clients::~Clients() {
 	for (auto &[thread, client] : m_vClients) {
@@ -45,7 +59,7 @@ Clients::~Clients() {
 }
 
 WP<Client> Clients::newClient(std::optional<std::function<std::any(WP<Client>)>> cb) {
-	SP	  client		  = SP<Client>(new Client());
+	SP	  client		  = SP<Client>(new Client(pServer, shared_from_this()));
 	auto &instance		  = m_vClients.emplace_back(std::jthread([client]() { client->run(); }), client);
 	instance.second->self = std::weak_ptr<Client>(instance.second);
 	if (cb)
@@ -111,3 +125,6 @@ void Clients::kick(WP<Client> clientWeak, const bool kill, const std::string &re
 		}
 	}
 }
+
+} // namespace Server
+} // namespace LibSock
diff --git a/src/server/server.cpp b/src/server/server.cpp
index 5f10ac6..63ada20 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -8,6 +8,9 @@
 
 using namespace LibSock::Server;
 
+namespace LibSock {
+namespace Server {
+
 Server::Server(uint16_t port, bool reuseaddr, bool keepalive)
 	: m_sockfd(
 		  std::make_shared<LibSock::CFileDescriptor>(socket(AF_INET, SOCK_STREAM, 0))
@@ -36,10 +39,28 @@ Server::Server(uint16_t port, bool reuseaddr, bool keepalive)
 	if (bind(m_sockfd->get(), reinterpret_cast<sockaddr *>(&m_addr), sizeof(m_addr)) ||
 		listen(m_sockfd->get(), 5))
 		throw std::runtime_error("server:server Failed to bind or listen on socket");
+}
+
+SP<Server> Server::create(uint16_t port, bool reuseaddr, bool keepalive) {
+	if (pServer)
+		throw std::runtime_error("server:server Server already exist");
+	pServer = SP<Server>(new Server(port, reuseaddr, keepalive));
+	return pServer;
+}
+
+SP<Server> Server::get() {
+	if (!pServer)
+		pServer = shared_from_this();
+	return pServer;
+}
 
-	pServer = SP<Server>(this);
-};
+Server::~Server() {
+	m_sockfd.reset();
+}
 
-Server::~Server() { m_sockfd.reset(); }
+SP<LibSock::CFileDescriptor> Server::getSocket() const {
+	return m_sockfd;
+}
 
-std::shared_ptr<LibSock::CFileDescriptor> Server::getSocket() const { return m_sockfd; }
+} // namespace Server
+} // namespace LibSock
-- 
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