-/* GIO - GLib Input, Output and Streaming Library
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * GIO - GLib Input, Output and Streaming Library
*
* Copyright 2010 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.
+ * version 2.1 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
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
+ *
+ * In addition, when the library is used with OpenSSL, a special
+ * exception applies. Refer to the LICENSE_EXCEPTION file for details.
*/
#include "config.h"
#include "gtlsoutputstream-gnutls.h"
-static void g_tls_output_stream_gnutls_pollable_iface_init (GPollableOutputStreamInterface *iface);
-
-G_DEFINE_TYPE_WITH_CODE (GTlsOutputStreamGnutls, g_tls_output_stream_gnutls, G_TYPE_OUTPUT_STREAM,
- G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_tls_output_stream_gnutls_pollable_iface_init)
- )
+#include <glib/gi18n.h>
-struct _GTlsOutputStreamGnutlsPrivate
+struct _GTlsOutputStreamGnutls
{
- GTlsConnectionGnutls *conn;
+ GOutputStream parent_instance;
+
+ GWeakRef weak_conn;
};
+static void g_tls_output_stream_gnutls_pollable_iface_init (GPollableOutputStreamInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GTlsOutputStreamGnutls, g_tls_output_stream_gnutls, G_TYPE_OUTPUT_STREAM,
+ G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_tls_output_stream_gnutls_pollable_iface_init)
+ )
+
static void
g_tls_output_stream_gnutls_dispose (GObject *object)
{
GTlsOutputStreamGnutls *stream = G_TLS_OUTPUT_STREAM_GNUTLS (object);
- if (stream->priv->conn)
- {
- g_object_remove_weak_pointer (G_OBJECT (stream->priv->conn),
- (gpointer *)&stream->priv->conn);
- stream->priv->conn = NULL;
- }
+ g_weak_ref_set (&stream->weak_conn, NULL);
G_OBJECT_CLASS (g_tls_output_stream_gnutls_parent_class)->dispose (object);
}
+static void
+g_tls_output_stream_gnutls_finalize (GObject *object)
+{
+ GTlsOutputStreamGnutls *stream = G_TLS_OUTPUT_STREAM_GNUTLS (object);
+
+ g_weak_ref_clear (&stream->weak_conn);
+
+ G_OBJECT_CLASS (g_tls_output_stream_gnutls_parent_class)->finalize (object);
+}
+
static gssize
g_tls_output_stream_gnutls_write (GOutputStream *stream,
- const void *buffer,
- gsize count,
- GCancellable *cancellable,
- GError **error)
+ const void *buffer,
+ gsize count,
+ GCancellable *cancellable,
+ GError **error)
{
GTlsOutputStreamGnutls *tls_stream = G_TLS_OUTPUT_STREAM_GNUTLS (stream);
+ GTlsConnectionGnutls *conn;
+ gssize ret;
- g_return_val_if_fail (tls_stream->priv->conn != NULL, -1);
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+ if (conn == NULL)
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_CLOSED,
+ _("Connection is closed"));
+ return -1;
+ }
- return g_tls_connection_gnutls_write (tls_stream->priv->conn,
- buffer, count, TRUE,
- cancellable, error);
+ ret = g_tls_connection_gnutls_write (conn, buffer, count, -1 /* blocking */,
+ cancellable, error);
+ g_object_unref (conn);
+ return ret;
}
static gboolean
g_tls_output_stream_gnutls_pollable_is_writable (GPollableOutputStream *pollable)
{
GTlsOutputStreamGnutls *tls_stream = G_TLS_OUTPUT_STREAM_GNUTLS (pollable);
+ GTlsConnectionGnutls *conn;
+ gboolean ret;
+
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+ if (conn == NULL)
+ return FALSE;
- g_return_val_if_fail (tls_stream->priv->conn != NULL, FALSE);
+ ret = g_tls_connection_gnutls_check (conn, G_IO_OUT);
- return g_tls_connection_gnutls_check (tls_stream->priv->conn, G_IO_OUT);
+ g_object_unref (conn);
+
+ return ret;
}
static GSource *
g_tls_output_stream_gnutls_pollable_create_source (GPollableOutputStream *pollable,
- GCancellable *cancellable)
+ GCancellable *cancellable)
{
GTlsOutputStreamGnutls *tls_stream = G_TLS_OUTPUT_STREAM_GNUTLS (pollable);
+ GTlsConnectionGnutls *conn;
+ GSource *ret;
- g_return_val_if_fail (tls_stream->priv->conn != NULL, NULL);
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+ if (conn == NULL)
+ {
+ ret = g_idle_source_new ();
+ g_source_set_name (ret, "[glib-networking] g_tls_output_stream_gnutls_pollable_create_source dummy source");
+ return ret;
+ }
- return g_tls_connection_gnutls_create_source (tls_stream->priv->conn,
- G_IO_OUT,
- cancellable);
+ ret = g_tls_connection_gnutls_create_source (conn,
+ G_IO_OUT,
+ cancellable);
+ g_object_unref (conn);
+ return ret;
}
static gssize
g_tls_output_stream_gnutls_pollable_write_nonblocking (GPollableOutputStream *pollable,
- const void *buffer,
- gsize size,
- GError **error)
+ const void *buffer,
+ gsize size,
+ GError **error)
{
GTlsOutputStreamGnutls *tls_stream = G_TLS_OUTPUT_STREAM_GNUTLS (pollable);
+ GTlsConnectionGnutls *conn;
+ gssize ret;
- return g_tls_connection_gnutls_write (tls_stream->priv->conn,
- buffer, size, FALSE,
- NULL, error);
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+ if (conn == NULL)
+ {
+ g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_CLOSED,
+ _("Connection is closed"));
+ return -1;
+ }
+
+ ret = g_tls_connection_gnutls_write (conn, buffer, size,
+ 0 /* non-blocking */, NULL, error);
+
+ g_object_unref (conn);
+ return ret;
+}
+
+static gboolean
+g_tls_output_stream_gnutls_close (GOutputStream *stream,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GTlsOutputStreamGnutls *tls_stream = G_TLS_OUTPUT_STREAM_GNUTLS (stream);
+ GIOStream *conn;
+ gboolean ret;
+
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+ if (conn == NULL)
+ return TRUE;
+
+ ret = g_tls_connection_gnutls_close_internal (conn, G_TLS_DIRECTION_WRITE,
+ -1, /* blocking */
+ cancellable, error);
+
+ g_object_unref (conn);
+ return ret;
+}
+
+/* We do async close as synchronous-in-a-thread so we don't need to
+ * implement G_IO_IN/G_IO_OUT flip-flopping just for this one case
+ * (since handshakes are also done synchronously now).
+ */
+static void
+close_thread (GTask *task,
+ gpointer object,
+ gpointer task_data,
+ GCancellable *cancellable)
+{
+ GTlsOutputStreamGnutls *tls_stream = object;
+ GError *error = NULL;
+ GIOStream *conn;
+
+ conn = g_weak_ref_get (&tls_stream->weak_conn);
+
+ if (conn && !g_tls_connection_gnutls_close_internal (conn,
+ G_TLS_DIRECTION_WRITE,
+ -1, /* blocking */
+ cancellable, &error))
+ g_task_return_error (task, error);
+ else
+ g_task_return_boolean (task, TRUE);
+
+ if (conn)
+ g_object_unref (conn);
+}
+
+
+static void
+g_tls_output_stream_gnutls_close_async (GOutputStream *stream,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GTask *task;
+
+ task = g_task_new (stream, cancellable, callback, user_data);
+ g_task_set_source_tag (task, g_tls_output_stream_gnutls_close_async);
+ g_task_set_priority (task, io_priority);
+ g_task_run_in_thread (task, close_thread);
+ g_object_unref (task);
+}
+
+static gboolean
+g_tls_output_stream_gnutls_close_finish (GOutputStream *stream,
+ GAsyncResult *result,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (result, stream), FALSE);
+ g_return_val_if_fail (g_task_get_source_tag (G_TASK (result)) ==
+ g_tls_output_stream_gnutls_close_async, FALSE);
+
+ return g_task_propagate_boolean (G_TASK (result), error);
}
static void
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GOutputStreamClass *output_stream_class = G_OUTPUT_STREAM_CLASS (klass);
- g_type_class_add_private (klass, sizeof (GTlsOutputStreamGnutlsPrivate));
-
gobject_class->dispose = g_tls_output_stream_gnutls_dispose;
+ gobject_class->finalize = g_tls_output_stream_gnutls_finalize;
output_stream_class->write_fn = g_tls_output_stream_gnutls_write;
+ output_stream_class->close_fn = g_tls_output_stream_gnutls_close;
+ output_stream_class->close_async = g_tls_output_stream_gnutls_close_async;
+ output_stream_class->close_finish = g_tls_output_stream_gnutls_close_finish;
}
static void
static void
g_tls_output_stream_gnutls_init (GTlsOutputStreamGnutls *stream)
{
- stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, G_TYPE_TLS_OUTPUT_STREAM_GNUTLS, GTlsOutputStreamGnutlsPrivate);
}
GOutputStream *
GTlsOutputStreamGnutls *tls_stream;
tls_stream = g_object_new (G_TYPE_TLS_OUTPUT_STREAM_GNUTLS, NULL);
- tls_stream->priv->conn = conn;
- g_object_add_weak_pointer (G_OBJECT (conn),
- (gpointer *)&tls_stream->priv->conn);
+ g_weak_ref_init (&tls_stream->weak_conn, conn);
return G_OUTPUT_STREAM (tls_stream);
}
projects / platform / upstream / glib-networking.git / blobdiff