--- lbbs/src/net_server.c	2025/11/14 08:45:25	1.82
+++ lbbs/src/net_server.c	2025/11/16 13:18:30	1.86
@@ -43,7 +43,10 @@
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 #include <systemd/sd-daemon.h>
+#endif
 
 enum _net_server_constant_t
 {
@@ -393,7 +396,6 @@ static int fork_server(void)
 	}
 
 	// Redirect Input
-	close(STDIN_FILENO);
 	if (dup2(socket_client, STDIN_FILENO) == -1)
 	{
 		log_error("Redirect stdin to client socket failed\n");
@@ -401,7 +403,6 @@ static int fork_server(void)
 	}
 
 	// Redirect Output
-	close(STDOUT_FILENO);
 	if (dup2(socket_client, STDOUT_FILENO) == -1)
 	{
 		log_error("Redirect stdout to client socket failed\n");
@@ -460,12 +461,14 @@ int net_server(const char *hostaddr, in_
 	siginfo_t siginfo;
 	int notify_child_exit = 0;
 	time_t tm_notify_child_exit = time(NULL);
-	int sd_notify_stopping = 0;
 	MENU_SET bbs_menu_new;
 	MENU_SET top10_menu_new;
 	int i, j;
 	pid_t pid;
 	int ssh_log_level = SSH_LOG_NOLOG;
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
+	int sd_notify_stopping = 0;
+#endif
 
 	ssh_init();
 
@@ -560,18 +563,22 @@ int net_server(const char *hostaddr, in_
 	}
 
 	// Startup complete
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 	sd_notifyf(0, "READY=1\n"
 				  "STATUS=Listening at %s:%d (Telnet) and %s:%d (SSH2)\n"
 				  "MAINPID=%d",
 			   hostaddr, port[0], hostaddr, port[1], getpid());
+#endif
 
 	while (!SYS_server_exit || SYS_child_process_count > 0)
 	{
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 		if (SYS_server_exit && !sd_notify_stopping)
 		{
 			sd_notify(0, "STOPPING=1");
 			sd_notify_stopping = 1;
 		}
+#endif
 
 		while ((SYS_child_exit || SYS_server_exit) && SYS_child_process_count > 0)
 		{
@@ -596,24 +603,10 @@ int net_server(const char *hostaddr, in_
 					}
 					else
 					{
-						sin.sin_addr.s_addr = (uint32_t)j;
-						j = 0;
-						ret = hash_dict_get(hash_dict_sockaddr_count, sin.sin_addr.s_addr, (int64_t *)&j);
+						ret = hash_dict_inc(hash_dict_sockaddr_count, (uint64_t)j, -1);
 						if (ret < 0)
 						{
-							log_error("hash_dict_get(hash_dict_sockaddr_count, %d) error\n", sin.sin_addr.s_addr);
-						}
-						else if (ret == 0)
-						{
-							log_error("hash_dict_get(hash_dict_sockaddr_count, %d) not found\n", sin.sin_addr.s_addr);
-							j = 1;
-						}
-
-						j--;
-						ret = hash_dict_set(hash_dict_sockaddr_count, sin.sin_addr.s_addr, j);
-						if (ret < 0)
-						{
-							log_error("hash_dict_set(hash_dict_sockaddr_count, %d, %d) error\n", sin.sin_addr.s_addr, j);
+							log_error("hash_dict_inc(hash_dict_sockaddr_count, %d, -1) error\n", j);
 						}
 
 						ret = hash_dict_del(hash_dict_pid_sockaddr, (uint64_t)siginfo.si_pid);
@@ -639,8 +632,10 @@ int net_server(const char *hostaddr, in_
 		{
 			if (notify_child_exit == 0)
 			{
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 				sd_notifyf(0, "STATUS=Notify %d child process to exit", SYS_child_process_count);
 				log_common("Notify %d child process to exit\n", SYS_child_process_count);
+#endif
 
 				if (kill(-getpid(), SIGTERM) < 0)
 				{
@@ -652,7 +647,9 @@ int net_server(const char *hostaddr, in_
 			}
 			else if (notify_child_exit == 1 && time(NULL) - tm_notify_child_exit >= WAIT_CHILD_PROCESS_EXIT_TIMEOUT)
 			{
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 				sd_notifyf(0, "STATUS=Kill %d child process", SYS_child_process_count);
+#endif
 
 				if (kill(-getpid(), SIGKILL) < 0)
 				{
@@ -672,7 +669,16 @@ int net_server(const char *hostaddr, in_
 		if (SYS_conf_reload && !SYS_server_exit)
 		{
 			SYS_conf_reload = 0;
+
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 			sd_notify(0, "RELOADING=1");
+#endif
+
+			// Restart log
+			if (log_restart() < 0)
+			{
+				log_error("Restart logging failed\n");
+			}
 
 			// Reload configuration
 			if (load_conf(CONF_BBSD) < 0)
@@ -730,7 +736,15 @@ int net_server(const char *hostaddr, in_
 				log_common("Reload section config and gen_ex successfully\n");
 			}
 
+			// Notify child processes to reload configuration
+			if (kill(-getpid(), SIGUSR1) < 0)
+			{
+				log_error("Send SIGUSR1 signal failed (%d)\n", errno);
+			}
+
+#ifdef HAVE_SYSTEMD_SD_DAEMON_H
 			sd_notify(0, "READY=1");
+#endif
 		}
 
 		nfds = epoll_wait(epollfd, events, MAX_EVENTS, 100); // 0.1 second
@@ -808,10 +822,10 @@ int net_server(const char *hostaddr, in_
 									log_error("hash_dict_set(hash_dict_pid_sockaddr, %d, %s) error\n", pid, hostaddr_client);
 								}
 
-								ret = hash_dict_set(hash_dict_sockaddr_count, (uint64_t)sin.sin_addr.s_addr, j + 1);
+								ret = hash_dict_inc(hash_dict_sockaddr_count, (uint64_t)sin.sin_addr.s_addr, 1);
 								if (ret < 0)
 								{
-									log_error("hash_dict_set(hash_dict_sockaddr_count, %s, %d) error\n", hostaddr_client, j + 1);
+									log_error("hash_dict_inc(hash_dict_sockaddr_count, %s, %d) error\n", hostaddr_client, 1);
 								}
 							}
 						}