1 /*
2  * QEMU I/O channel command test
3  *
4  * Copyright (c) 2015 Red Hat, Inc.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #include "qemu/osdep.h"
22 #include <glib/gstdio.h>
23 #include "io/channel-command.h"
24 #include "io-channel-helpers.h"
25 #include "qapi/error.h"
26 #include "qemu/module.h"
27 
28 #define TEST_FIFO "test-io-channel-command.fifo"
29 
30 static char *socat = NULL;
31 
32 static void test_io_channel_command_fifo(bool async)
33 {
34     g_autofree gchar *tmpdir = g_dir_make_tmp("qemu-test-io-channel.XXXXXX", NULL);
35     g_autofree gchar *fifo = g_strdup_printf("%s/%s", tmpdir, TEST_FIFO);
36     g_autofree gchar *srcargs = g_strdup_printf("%s - PIPE:%s,wronly", socat, fifo);
37     g_autofree gchar *dstargs = g_strdup_printf("%s PIPE:%s,rdonly -", socat, fifo);
38     g_auto(GStrv) srcargv = g_strsplit(srcargs, " ", -1);
39     g_auto(GStrv) dstargv = g_strsplit(dstargs, " ", -1);
40     QIOChannel *src, *dst;
41     QIOChannelTest *test;
42 
43     src = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) srcargv,
44                                                     O_WRONLY,
45                                                     &error_abort));
46     /* try to avoid a race to create the socket */
47     g_usleep(1000);
48 
49     dst = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) dstargv,
50                                                     O_RDONLY,
51                                                     &error_abort));
52 
53     test = qio_channel_test_new();
54     qio_channel_test_run_threads(test, async, src, dst);
55     qio_channel_test_validate(test);
56 
57     object_unref(OBJECT(src));
58     object_unref(OBJECT(dst));
59 
60     g_rmdir(tmpdir);
61 }
62 
63 
64 static void test_io_channel_command_fifo_async(void)
65 {
66     if (!socat) {
67         g_test_skip("socat is not found in PATH");
68         return;
69     }
70 
71     test_io_channel_command_fifo(true);
72 }
73 
74 static void test_io_channel_command_fifo_sync(void)
75 {
76     if (!socat) {
77         g_test_skip("socat is not found in PATH");
78         return;
79     }
80 
81     test_io_channel_command_fifo(false);
82 }
83 
84 
85 static void test_io_channel_command_echo(bool async)
86 {
87     QIOChannel *ioc;
88     QIOChannelTest *test;
89     const char *socatargv[] = {
90         socat, "-", "-", NULL,
91     };
92 
93     if (!socat) {
94         g_test_skip("socat is not found in PATH");
95         return;
96     }
97 
98     ioc = QIO_CHANNEL(qio_channel_command_new_spawn(socatargv,
99                                                     O_RDWR,
100                                                     &error_abort));
101     test = qio_channel_test_new();
102     qio_channel_test_run_threads(test, async, ioc, ioc);
103     qio_channel_test_validate(test);
104 
105     object_unref(OBJECT(ioc));
106 }
107 
108 
109 static void test_io_channel_command_echo_async(void)
110 {
111     test_io_channel_command_echo(true);
112 }
113 
114 static void test_io_channel_command_echo_sync(void)
115 {
116     test_io_channel_command_echo(false);
117 }
118 
119 int main(int argc, char **argv)
120 {
121     module_call_init(MODULE_INIT_QOM);
122 
123     g_test_init(&argc, &argv, NULL);
124 
125     socat = g_find_program_in_path("socat");
126 
127     g_test_add_func("/io/channel/command/fifo/sync",
128                     test_io_channel_command_fifo_sync);
129     g_test_add_func("/io/channel/command/fifo/async",
130                     test_io_channel_command_fifo_async);
131     g_test_add_func("/io/channel/command/echo/sync",
132                     test_io_channel_command_echo_sync);
133     g_test_add_func("/io/channel/command/echo/async",
134                     test_io_channel_command_echo_async);
135 
136     return g_test_run();
137 }
138