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 #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 }