zdtm: Dumping/restoring with --tcp-close on TCP_CLOSE socket

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>

test/zdtm/static/Makefile

@@ -107,6 +107,7 @@ TST_NOFILE	:=				\
 		socket-tcp4v6-closed		\
 		socket-tcp-close0 		\
 		socket-tcp-close1 		\
+		socket-tcp-close2		\
 		socket-dump-tcp-close 		\
 		socket-tcp-unconn		\
 		socket-tcp6-unconn		\

test/zdtm/static/socket-tcp-close2.c

@@ -0,0 +1,67 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+#include <linux/types.h>
+#include <signal.h>
+
+#include "zdtmtst.h"
+
+const char *test_doc = "Check both dump and restore with tcp_close on TCP_CLOSE sockets";
+const char *test_author = "Bui Quang Minh <minhquangbui99@gmail.com>";
+
+static int port = 8880;
+
+int main(int argc, char **argv)
+{
+	int fd_s, fd, client;
+	char c;
+
+	test_init(argc, argv);
+	signal(SIGPIPE, SIG_IGN);
+
+	fd_s = tcp_init_server(AF_INET, &port);
+	if (fd_s < 0) {
+		pr_err("Server initializations failed\n");
+		return 1;
+	}
+
+	client = tcp_init_client(AF_INET, "localhost", port);
+	if (client < 0) {
+		pr_err("Client initializations failed\n");
+		return 1;
+	}
+
+	fd = tcp_accept_server(fd_s);
+	if (fd < 0) {
+		pr_err("Can't accept client\n");
+		return 1;
+	}
+	close(fd_s);
+
+	shutdown(client, SHUT_WR);
+	shutdown(fd, SHUT_WR);
+
+	test_daemon();
+	test_waitsig();
+
+	if (read(fd, &c, 1) != 0) {
+		fail("read server");
+		return 1;
+	}
+	if (read(client, &c, 1) != 0) {
+		fail("read client");
+		return 1;
+	}
+	if (write(client, &c, 1) != -1) {
+		fail("write client");
+		return 1;
+	}
+	if (write(fd, &c, 1) != -1) {
+		fail("write server");
+		return 1;
+	}
+
+	pass();
+	return 0;
+}

test/zdtm/static/socket-tcp-close2.desc

@@ -0,0 +1 @@
+{'opts': '--tcp-close', 'flags': 'reqrst '}