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 #ifndef _WIN32
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_strdup_printf("%s/%s", tmpdir, TEST_FIFO);
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 
46     if (mkfifo(fifo, 0600)) {
47         g_error("mkfifo: %s", strerror(errno));
48     }
49 
50     src = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) srcargv,
51                                                     O_WRONLY,
52                                                     &error_abort));
53     dst = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) dstargv,
54                                                     O_RDONLY,
55                                                     &error_abort));
56 
57     test = qio_channel_test_new();
58     qio_channel_test_run_threads(test, async, src, dst);
59     qio_channel_test_validate(test);
60 
61     object_unref(OBJECT(src));
62     object_unref(OBJECT(dst));
63 
64     g_rmdir(tmpdir);
65 }
66 
67 static void test_io_channel_command_fifo_async(void)
68 {
69     if (!socat) {
70         g_test_skip("socat is not found in PATH");
71         return;
72     }
73 
74     test_io_channel_command_fifo(true);
75 }
76 
77 static void test_io_channel_command_fifo_sync(void)
78 {
79     if (!socat) {
80         g_test_skip("socat is not found in PATH");
81         return;
82     }
83 
84     test_io_channel_command_fifo(false);
85 }
86 #endif
87 
88 
89 static void test_io_channel_command_echo(bool async)
90 {
91     QIOChannel *ioc;
92     QIOChannelTest *test;
93     const char *socatargv[] = {
94         socat, "-", "-", NULL,
95     };
96 
97     if (!socat) {
98         g_test_skip("socat is not found in PATH");
99         return;
100     }
101 
102     ioc = QIO_CHANNEL(qio_channel_command_new_spawn(socatargv,
103                                                     O_RDWR,
104                                                     &error_abort));
105     test = qio_channel_test_new();
106     qio_channel_test_run_threads(test, async, ioc, ioc);
107     qio_channel_test_validate(test);
108 
109     object_unref(OBJECT(ioc));
110 }
111 
112 
113 static void test_io_channel_command_echo_async(void)
114 {
115     test_io_channel_command_echo(true);
116 }
117 
118 static void test_io_channel_command_echo_sync(void)
119 {
120     test_io_channel_command_echo(false);
121 }
122 
123 int main(int argc, char **argv)
124 {
125     module_call_init(MODULE_INIT_QOM);
126 
127     g_test_init(&argc, &argv, NULL);
128 
129     socat = g_find_program_in_path("socat");
130 
131 #ifndef _WIN32
132     g_test_add_func("/io/channel/command/fifo/sync",
133                     test_io_channel_command_fifo_sync);
134     g_test_add_func("/io/channel/command/fifo/async",
135                     test_io_channel_command_fifo_async);
136 #endif
137     g_test_add_func("/io/channel/command/echo/sync",
138                     test_io_channel_command_echo_sync);
139     g_test_add_func("/io/channel/command/echo/async",
140                     test_io_channel_command_echo_async);
141 
142     return g_test_run();
143 }
144