From 37895358b03b805f1887749c8dc73d1e075af810 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 28 Apr 2023 12:58:42 +0200
Subject: make struct tcp_server opaque

---
 src/server.c     |  4 ++--
 src/server.h     |  2 +-
 src/tcp_server.c | 33 +++++++++++++++++++++++++++------
 src/tcp_server.h |  8 +++-----
 4 files changed, 33 insertions(+), 14 deletions(-)

(limited to 'src')

diff --git a/src/server.c b/src/server.c
index a158b81..933a3b7 100644
--- a/src/server.c
+++ b/src/server.c
@@ -74,7 +74,7 @@ void server_destroy(struct server *server)
 	log("Shutting down\n");
 
 	ci_queue_destroy(&server->ci_queue);
-	tcp_server_destroy(&server->tcp_server);
+	tcp_server_destroy(server->tcp_server);
 	storage_destroy(&server->storage);
 	pthread_errno_if(pthread_cond_destroy(&server->server_cv), "pthread_cond_destroy");
 	pthread_errno_if(pthread_mutex_destroy(&server->server_mtx), "pthread_mutex_destroy");
@@ -363,7 +363,7 @@ int server_main(struct server *server)
 	while (!global_stop_flag) {
 		log("Waiting for new connections\n");
 
-		ret = tcp_server_accept(&server->tcp_server, server_conn_handler, server);
+		ret = tcp_server_accept(server->tcp_server, server_conn_handler, server);
 		if (ret < 0)
 			break;
 	}
diff --git a/src/server.h b/src/server.h
index 16dfb5c..0e5c030 100644
--- a/src/server.h
+++ b/src/server.h
@@ -28,7 +28,7 @@ struct server {
 
 	struct storage storage;
 
-	struct tcp_server tcp_server;
+	struct tcp_server *tcp_server;
 
 	struct ci_queue ci_queue;
 };
diff --git a/src/tcp_server.c b/src/tcp_server.c
index 87613a5..acd3320 100644
--- a/src/tcp_server.c
+++ b/src/tcp_server.c
@@ -15,18 +15,39 @@
 #include <stdlib.h>
 #include <unistd.h>
 
-int tcp_server_create(struct tcp_server *server, const char *port)
+struct tcp_server {
+	int fd;
+};
+
+int tcp_server_create(struct tcp_server **_server, const char *port)
 {
-	server->fd = net_bind(port);
-	if (server->fd < 0)
-		return server->fd;
+	struct tcp_server *server;
+	int ret = 0;
+
+	*_server = malloc(sizeof(struct tcp_server));
+	if (!*_server) {
+		log_errno("malloc");
+		return -1;
+	}
+	server = *_server;
 
-	return 0;
+	ret = net_bind(port);
+	if (ret < 0)
+		goto free;
+	server->fd = ret;
+
+	return ret;
+
+free:
+	free(server);
+
+	return ret;
 }
 
-void tcp_server_destroy(const struct tcp_server *server)
+void tcp_server_destroy(struct tcp_server *server)
 {
 	log_errno_if(close(server->fd), "close");
+	free(server);
 }
 
 struct child_context {
diff --git a/src/tcp_server.h b/src/tcp_server.h
index 55fb1fa..0f377d8 100644
--- a/src/tcp_server.h
+++ b/src/tcp_server.h
@@ -8,12 +8,10 @@
 #ifndef __TCP_SERVER_H__
 #define __TCP_SERVER_H__
 
-struct tcp_server {
-	int fd;
-};
+struct tcp_server;
 
-int tcp_server_create(struct tcp_server *, const char *port);
-void tcp_server_destroy(const struct tcp_server *);
+int tcp_server_create(struct tcp_server **, const char *port);
+void tcp_server_destroy(struct tcp_server *);
 
 typedef int (*tcp_server_conn_handler)(int conn_fd, void *arg);
 int tcp_server_accept(const struct tcp_server *, tcp_server_conn_handler, void *arg);
-- 
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