LXR qemu/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
  32static char *socat = NULL;
  33
  34#if !defined(_WIN32) && !defined(CONFIG_DARWIN)
  35static 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
  71static 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
  81static 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
  93static 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
 117static void test_io_channel_command_echo_async(void)
 118{
 119    test_io_channel_command_echo(true);
 120}
 121
 122static void test_io_channel_command_echo_sync(void)
 123{
 124    test_io_channel_command_echo(false);
 125}
 126
 127int 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