/*
* This program 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) version 3.
*
* This program 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 the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Jeffrey Stedfast <fejj@ximian.com>
* Michael Zucchi <notzed@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "em-sync-stream.h"
#include <stdio.h>
#include <string.h>
#include <glib/gi18n-lib.h>
#include <libedataserver/e-flag.h>
#include "mail-mt.h"
enum _write_msg_t {
EMSS_WRITE,
EMSS_FLUSH,
EMSS_CLOSE
};
struct _write_msg {
EMSyncStream *emss;
GError *error;
EFlag *done;
enum _write_msg_t op;
const gchar *string;
gsize len;
};
G_DEFINE_TYPE (EMSyncStream, em_sync_stream, CAMEL_TYPE_STREAM)
static gboolean
sync_stream_process_message (struct _write_msg *msg)
{
struct _EMSyncStream *emss = msg->emss;
if (emss->cancel) {
/* Do not pass data to the child if we are canceled. */
e_flag_set (msg->done);
return FALSE;
}
/* Force out any pending data before doing anything else. */
if (emss->buffer != NULL && emss->buffer->len > 0) {
EM_SYNC_STREAM_GET_CLASS (emss)->sync_write (
CAMEL_STREAM (emss), emss->buffer->str,
emss->buffer->len, &msg->error);
g_string_set_size (emss->buffer, 0);
}
switch (msg->op) {
case EMSS_WRITE:
EM_SYNC_STREAM_GET_CLASS (emss)->sync_write (
CAMEL_STREAM (emss), msg->string,
msg->len, &msg->error);
break;
case EMSS_FLUSH:
EM_SYNC_STREAM_GET_CLASS (emss)->sync_flush (
CAMEL_STREAM (emss), &msg->error);
break;
case EMSS_CLOSE:
EM_SYNC_STREAM_GET_CLASS (emss)->sync_close (
CAMEL_STREAM (emss), &msg->error);
break;
}
emss->idle_id = 0;
e_flag_set (msg->done);
return FALSE;
}
static void
sync_stream_sync_op (EMSyncStream *emss,
enum _write_msg_t op,
const gchar *string,
gsize len,
GError **error)
{
struct _write_msg msg;
msg.done = e_flag_new ();
msg.error = NULL;
msg.emss = emss;
msg.op = op;
msg.string = string;
msg.len = len;
g_object_ref (emss);
if (emss->idle_id)
g_source_remove (emss->idle_id);
emss->idle_id = g_idle_add ((GSourceFunc) sync_stream_process_message, &msg);
e_flag_wait (msg.done);
e_flag_free (msg.done);
if (msg.error != NULL)
g_propagate_error (error, msg.error);
g_object_unref (emss);
}
static void
sync_stream_finalize (GObject *object)
{
EMSyncStream *emss = EM_SYNC_STREAM (object);
if (emss->buffer != NULL)
g_string_free (emss->buffer, TRUE);
if (emss->idle_id)
g_source_remove (emss->idle_id);
}
static gssize
sync_stream_write (CamelStream *stream,
const gchar *string,
gsize len,
GCancellable *cancellable,
GError **error)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel) {
g_set_error (
error, G_IO_ERROR, G_IO_ERROR_CANCELLED,
_("Canceled"));
return -1;
}
if (mail_in_main_thread ()) {
EM_SYNC_STREAM_GET_CLASS (emss)->sync_write (stream, string, len, error);
} else if (emss->buffer != NULL) {
if (len < (emss->buffer->allocated_len - emss->buffer->len))
g_string_append_len (emss->buffer, string, len);
else
sync_stream_sync_op (emss, EMSS_WRITE, string, len, error);
} else {
sync_stream_sync_op (emss, EMSS_WRITE, string, len, error);
}
return (gssize) len;
}
static gint
sync_stream_flush (CamelStream *stream,
GCancellable *cancellable,
GError **error)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel) {
g_set_error (
error, G_IO_ERROR, G_IO_ERROR_CANCELLED,
_("Canceled"));
return -1;
}
if (mail_in_main_thread ())
return EM_SYNC_STREAM_GET_CLASS (emss)->sync_flush (stream, error);
else
sync_stream_sync_op (emss, EMSS_FLUSH, NULL, 0, error);
return 0;
}
static gint
sync_stream_close (CamelStream *stream,
GCancellable *cancellable,
GError **error)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel) {
g_set_error (
error, G_IO_ERROR, G_IO_ERROR_CANCELLED,
_("Canceled"));
return -1;
}
emss->idle_id = 0;
if (mail_in_main_thread ())
return EM_SYNC_STREAM_GET_CLASS (emss)->sync_close (stream, error);
else
sync_stream_sync_op (emss, EMSS_CLOSE, NULL, 0, error);
return 0;
}
static void
em_sync_stream_class_init (EMSyncStreamClass *class)
{
GObjectClass *object_class;
CamelStreamClass *stream_class;
object_class = G_OBJECT_CLASS (class);
object_class->finalize = sync_stream_finalize;
stream_class = CAMEL_STREAM_CLASS (class);
stream_class->write = sync_stream_write;
stream_class->flush = sync_stream_flush;
stream_class->close = sync_stream_close;
}
static void
em_sync_stream_init (EMSyncStream *emss)
{
}
void
em_sync_stream_set_buffer_size (EMSyncStream *emss, gsize size)
{
if (emss->buffer != NULL)
g_string_free (emss->buffer, TRUE);
emss->buffer = g_string_sized_new (size);
}
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<tr><td class='commitgraph'>* </td><td><a href='/~lantw44/cgit/cgit.cgi/freebsd-ports/commit/cad/adms?h=dependabot/npm_and_yarn/devel/electron4/files/eslint-utils-1.4.3&id=4cf495fd000c632a15f8b48698540908a875e0c1'>Update to 2.3.6.</a></td><td>araujo</td><td><span title='2017-03-11 15:02:50 +0800'>2017-03-11</span></td><td>2</td><td><span class='deletions'>-3</span>/<span class='insertions'>+4</span></td></tr>
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