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 <sys/types.h>
24 #include <sys/stat.h>
25 #include "io/channel-command.h"
26 #include "io-channel-helpers.h"
27 #include "qapi/error.h"
28 #include "qemu/module.h"
29 
30 #define TEST_FIFO "test-io-channel-command.fifo"
31 
32 static char *socat = NULL;
33 
34 #if !defined(_WIN32) && !defined(CONFIG_DARWIN)
35 static void test_io_channel_command_fifo(bool async)
36 {
37     g_autofree gchar *tmpdir = g_dir_make_tmp("qemu-test-io-channel.XXXXXX", NULL);
38     g_autofree gchar *fifo = g_build_filename(tmpdir, TEST_FIFO, NULL);
39     g_autofree gchar *srcargs = g_strdup_printf("%s - PIPE:%s,wronly", socat, fifo);
40     g_autofree gchar *dstargs = g_strdup_printf("%s PIPE:%s,rdonly -", socat, fifo);
41     g_auto(GStrv) srcargv = g_strsplit(srcargs, " ", -1);
42     g_auto(GStrv) dstargv = g_strsplit(dstargs, " ", -1);
43     QIOChannel *src, *dst;
44     QIOChannelTest *test;
45     int err;
46 
47     if (mkfifo(fifo, 0600)) {
48         g_error("mkfifo: %s", strerror(errno));
49     }
50 
51     src = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) srcargv,
52                                                     O_WRONLY,
53                                                     &error_abort));
54     dst = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) dstargv,
55                                                     O_RDONLY,
56                                                     &error_abort));
57 
58     test = qio_channel_test_new();
59     qio_channel_test_run_threads(test, async, src, dst);
60     qio_channel_test_validate(test);
61 
62     object_unref(OBJECT(src));
63     object_unref(OBJECT(dst));
64 
65     err = g_unlink(fifo);
66     g_assert(err == 0);
67     err = g_rmdir(tmpdir);
68     g_assert(err == 0);
69 }
70 
71 static void test_io_channel_command_fifo_async(void)
72 {
73     if (!socat) {
74         g_test_skip("socat is not found in PATH");
75         return;
76     }
77 
78     test_io_channel_command_fifo(true);
79 }
80 
81 static void test_io_channel_command_fifo_sync(void)
82 {
83     if (!socat) {
84         g_test_skip("socat is not found in PATH");
85         return;
86     }
87 
88     test_io_channel_command_fifo(false);
89 }
90 #endif
91 
92 
93 static void test_io_channel_command_echo(bool async)
94 {
95     QIOChannel *ioc;
96     QIOChannelTest *test;
97     const char *socatargv[] = {
98         socat, "-", "-", NULL,
99     };
100 
101     if (!socat) {
102         g_test_skip("socat is not found in PATH");
103         return;
104     }
105 
106     ioc = QIO_CHANNEL(qio_channel_command_new_spawn(socatargv,
107                                                     O_RDWR,
108                                                     &error_abort));
109     test = qio_channel_test_new();
110     qio_channel_test_run_threads(test, async, ioc, ioc);
111     qio_channel_test_validate(test);
112 
113     object_unref(OBJECT(ioc));
114 }
115 
116 
117 static void test_io_channel_command_echo_async(void)
118 {
119     test_io_channel_command_echo(true);
120 }
121 
122 static void test_io_channel_command_echo_sync(void)
123 {
124     test_io_channel_command_echo(false);
125 }
126 
127 int main(int argc, char **argv)
128 {
129     module_call_init(MODULE_INIT_QOM);
130 
131     g_test_init(&argc, &argv, NULL);
132 
133     socat = g_find_program_in_path("socat");
134 
135 #if !defined(_WIN32) && !defined(CONFIG_DARWIN)
136     g_test_add_func("/io/channel/command/fifo/sync",
137                     test_io_channel_command_fifo_sync);
138     g_test_add_func("/io/channel/command/fifo/async",
139                     test_io_channel_command_fifo_async);
140 #endif
141     g_test_add_func("/io/channel/command/echo/sync",
142                     test_io_channel_command_echo_sync);
143     g_test_add_func("/io/channel/command/echo/async",
144                     test_io_channel_command_echo_async);
145 
146     return g_test_run();
147 }
148