File: gvfsjobcloseread.c

package info (click to toggle)
gvfs 1.30.4-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 22,580 kB
  • ctags: 12,211
  • sloc: ansic: 113,948; sh: 4,957; xml: 2,353; makefile: 1,601; python: 1,448; sed: 16
file content (134 lines) | stat: -rw-r--r-- 3,509 bytes parent folder | download | duplicates (3)
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
/* 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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Author: Alexander Larsson <alexl@redhat.com>
 */

#include <config.h>

#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>

#include <glib.h>
#include <glib/gi18n.h>
#include "gvfsreadchannel.h"
#include "gvfsjobcloseread.h"
#include "gvfsdaemonutils.h"

G_DEFINE_TYPE (GVfsJobCloseRead, g_vfs_job_close_read, G_VFS_TYPE_JOB)

static void run (GVfsJob *job);
static gboolean try (GVfsJob *job);
static void send_reply (GVfsJob *job);

static void
g_vfs_job_close_read_finalize (GObject *object)
{
  GVfsJobCloseRead *job;

  job = G_VFS_JOB_CLOSE_READ (object);
  g_object_unref (job->channel);

  if (G_OBJECT_CLASS (g_vfs_job_close_read_parent_class)->finalize)
    (*G_OBJECT_CLASS (g_vfs_job_close_read_parent_class)->finalize) (object);
}

static void
g_vfs_job_close_read_class_init (GVfsJobCloseReadClass *klass)
{
  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
  GVfsJobClass *job_class = G_VFS_JOB_CLASS (klass);
  
  gobject_class->finalize = g_vfs_job_close_read_finalize;

  job_class->run = run;
  job_class->try = try;
  job_class->send_reply = send_reply;
}

static void
g_vfs_job_close_read_init (GVfsJobCloseRead *job)
{
}

GVfsJob *
g_vfs_job_close_read_new (GVfsReadChannel *channel,
			  GVfsBackendHandle handle,
			  GVfsBackend *backend)
{
  GVfsJobCloseRead *job;
  
  job = g_object_new (G_VFS_TYPE_JOB_CLOSE_READ,
		      NULL);

  job->channel = g_object_ref (channel);
  job->backend = backend;
  job->handle = handle;
  
  return G_VFS_JOB (job);
}

/* Might be called on an i/o thread */
static void
send_reply (GVfsJob *job)
{
  GVfsJobCloseRead *op_job = G_VFS_JOB_CLOSE_READ (job);
  
  g_debug ("send_reply(%p), failed=%d (%s)\n", job, job->failed,
           job->failed ? job->error->message : "");

  if (job->failed)
    g_vfs_channel_send_error (G_VFS_CHANNEL (op_job->channel), job->error);
  else
    g_vfs_read_channel_send_closed (op_job->channel);
}

static void
run (GVfsJob *job)
{
  GVfsJobCloseRead *op_job = G_VFS_JOB_CLOSE_READ (job);
  GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);

  if (class->close_read == NULL)
    {
      g_vfs_job_failed (job, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
			_("Operation not supported by backend"));
      return;
    }

  class->close_read (op_job->backend,
		     op_job,
		     op_job->handle);
}

static gboolean
try (GVfsJob *job)
{
  GVfsJobCloseRead *op_job = G_VFS_JOB_CLOSE_READ (job);
  GVfsBackendClass *class = G_VFS_BACKEND_GET_CLASS (op_job->backend);
  
  if (class->try_close_read == NULL)
    return FALSE;
  
  return class->try_close_read (op_job->backend,
				op_job,
				op_job->handle);
}