tests/unit/test-io-channel-command.c

   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 }