1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <stdio.h>
#include <unistd.h>
#include <locale.h>
#include <errno.h>
#include <string.h>
#include <glib.h>
#include <gio/gfile.h>
#define BENCHMARK_UNIT_NAME "gvfs-big-file"
#include "benchmark-common.c"
#define FILE_SIZE (1024 * 1024 * 50) /* 50 MiB */
#define BUFFER_SIZE 4096
#define ITERATIONS_NUM 1
static gboolean
is_dir (GFile *file)
{
GFileInfo *info;
gboolean res;
info = g_file_query_info (file, G_FILE_ATTRIBUTE_STD_TYPE, 0, NULL, NULL);
res = info && g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY;
if (info)
g_object_unref (info);
return res;
}
static GFile *
create_file (GFile *base_dir)
{
GFile *scratch_file;
gchar *scratch_name;
GOutputStream *output_stream;
gint pid;
GError *error = NULL;
gchar buffer [BUFFER_SIZE];
gint i;
pid = getpid ();
scratch_name = g_strdup_printf ("gvfs-benchmark-scratch-%d", pid);
scratch_file = g_file_resolve_relative_path (base_dir, scratch_name);
g_free (scratch_name);
if (!scratch_file)
return NULL;
output_stream = G_OUTPUT_STREAM (g_file_replace (scratch_file, 0, FALSE, G_FILE_CREATE_FLAGS_NONE, NULL, &error));
if (!output_stream)
{
g_printerr ("Failed to create scratch file: %s\n", error->message);
g_object_unref (scratch_file);
return NULL;
}
memset (buffer, 0xaa, BUFFER_SIZE);
for (i = 0; i < FILE_SIZE; i += BUFFER_SIZE)
{
if (g_output_stream_write (output_stream, buffer, BUFFER_SIZE, NULL, &error) < BUFFER_SIZE)
{
g_printerr ("Failed to populate scratch file: %s\n", error->message);
g_output_stream_close (output_stream, NULL, NULL);
g_object_unref (output_stream);
g_object_unref (scratch_file);
return NULL;
}
}
g_output_stream_close (output_stream, NULL, NULL);
g_object_unref (output_stream);
return scratch_file;
}
static void
read_file (GFile *scratch_file)
{
GInputStream *input_stream;
GError *error = NULL;
gint i;
input_stream = (GInputStream *) g_file_read (scratch_file, NULL, &error);
if (!input_stream)
{
g_printerr ("Failed to open scratch file: %s\n", error->message);
return;
}
for (i = 0; i < FILE_SIZE; i += BUFFER_SIZE)
{
gchar buffer [BUFFER_SIZE];
gsize bytes_read;
if (!g_input_stream_read_all (input_stream, buffer, BUFFER_SIZE, &bytes_read, NULL, &error) ||
bytes_read < BUFFER_SIZE)
{
g_printerr ("Failed to read back scratch file: %s\n", error->message);
g_input_stream_close (input_stream, NULL, NULL);
g_object_unref (input_stream);
}
}
g_object_unref (input_stream);
}
static void
delete_file (GFile *scratch_file)
{
GError *error = NULL;
#if 0
/* Enable when GDaemonFile supports delete */
if (!g_file_delete (scratch_file, NULL, &error))
{
g_printerr ("Failed to delete scratch file: %s\n", error->message);
}
#endif
}
static gint
benchmark_run (gint argc, gchar *argv [])
{
GFile *base_dir;
GFile *scratch_file;
gint i;
setlocale (LC_ALL, "");
g_type_init ();
if (argc < 2)
{
g_printerr ("Usage: %s <scratch URI>\n", argv [0]);
return 1;
}
base_dir = g_file_new_for_commandline_arg (argv [1]);
if (!is_dir (base_dir))
{
g_printerr ("Scratch URI %s is not a directory\n", argv [1]);
g_object_unref (base_dir);
return 1;
}
for (i = 0; i < ITERATIONS_NUM; i++)
{
scratch_file = create_file (base_dir);
if (!scratch_file)
{
g_object_unref (base_dir);
return 1;
}
read_file (scratch_file);
delete_file (scratch_file);
g_object_unref (scratch_file);
}
g_object_unref (base_dir);
return 0;
}
|