zdtm: add a new test, where both sides of a tcp connection is dumped

Reported-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/zdtm.sh

@@ -104,6 +104,7 @@ static/socket-tcp6
 streaming/socket-tcp
 streaming/socket-tcp6
 static/socket-tcpbuf
+static/socket-tcpbuf-local
 static/socket-tcpbuf6
 static/pty03
 static/mountpoints

test/zdtm/live/static/Makefile

@@ -54,6 +54,7 @@ TST_NOFILE	=				\
 		socket-tcp			\
 		socket-tcp6			\
 		socket-tcpbuf			\
+		socket-tcpbuf-local		\
 		socket-tcpbuf6			\
 		sock_opts00			\
 		sock_opts01			\
@@ -238,6 +239,7 @@ sem:			override CFLAGS += -DNEW_IPC_NS
 posix_timers:		override LDLIBS += -lrt
 socket-tcp6: override CFLAGS += -D ZDTM_IPV6
 socket-tcpbuf6: override CFLAGS += -D ZDTM_IPV6
+socket-tcpbuf-local: override CFLAGS += -D ZDTM_TCP_LOCAL
 socket_listen6: override CFLAGS += -D ZDTM_IPV6
 sigpending:		override LDLIBS += -lrt
 

test/zdtm/live/static/socket-tcpbuf-local.c

+socket-tcpbuf.c
\ No newline at end of file

test/zdtm/live/static/socket-tcpbuf.c

@@ -96,6 +96,10 @@ int main(int argc, char **argv)
 	int sk_bsize;
 	int ret, snd_size, rcv_size;
 
+#ifdef ZDTM_TCP_LOCAL
+	test_init(argc, argv);
+#endif
+
 	if (pipe(pfd)) {
 		err("pipe() failed");
 		return 1;
@@ -109,7 +113,9 @@ int main(int argc, char **argv)
 		int size;
 		char c;
 
+#ifndef ZDTM_TCP_LOCAL
 		test_ext_init(argc, argv);
+#endif
 
 		close(pfd[1]);
 		if (read(pfd[0], &port, sizeof(port)) != sizeof(port)) {
@@ -154,7 +160,9 @@ int main(int argc, char **argv)
 		return 0;
 	}
 
+#ifndef ZDTM_TCP_LOCAL
 	test_init(argc, argv);
+#endif
 
 	if ((fd_s = tcp_init_server(ZDTM_FAMILY, &port)) < 0) {
 		err("initializing server failed");