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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
* Michael Zucchi <notzed@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "em-sync-stream.h"
#include <stdio.h>
#include <string.h>
#include <camel/camel-object.h>
#include <libedataserver/e-flag.h>
#include "mail-mt.h"
#define EMSS_CLASS(x) ((EMSyncStreamClass *)(((CamelObject *)(x))->klass))
enum _write_msg_t {
EMSS_WRITE,
EMSS_FLUSH,
EMSS_CLOSE,
};
struct _write_msg {
EMSyncStream *emss;
EFlag *done;
enum _write_msg_t op;
const gchar *string;
gsize len;
};
static CamelStreamClass *parent_class = NULL;
static gboolean
emss_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) {
EMSS_CLASS (emss)->sync_write (
CAMEL_STREAM (emss), emss->buffer->str,
emss->buffer->len);
g_string_set_size (emss->buffer, 0);
}
switch (msg->op) {
case EMSS_WRITE:
EMSS_CLASS (emss)->sync_write (
CAMEL_STREAM (emss), msg->string, msg->len);
break;
case EMSS_FLUSH:
EMSS_CLASS (emss)->sync_flush (
CAMEL_STREAM (emss));
break;
case EMSS_CLOSE:
EMSS_CLASS (emss)->sync_close (
CAMEL_STREAM (emss));
break;
}
e_flag_set (msg->done);
return FALSE;
}
static void
emss_sync_op (EMSyncStream *emss, enum _write_msg_t op,
const gchar *string, gsize len)
{
struct _write_msg msg;
msg.done = e_flag_new ();
msg.emss = emss;
msg.op = op;
msg.string = string;
msg.len = len;
camel_object_ref (emss);
g_idle_add ((GSourceFunc) emss_process_message, &msg);
e_flag_wait (msg.done);
e_flag_free (msg.done);
camel_object_unref (emss);
}
static gssize
emss_stream_write (CamelStream *stream, const gchar *string, gsize len)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel)
return -1;
if (mail_in_main_thread ()) {
EMSS_CLASS (emss)->sync_write (stream, string, len);
} else if (emss->buffer != NULL) {
if (len < (emss->buffer->allocated_len - emss->buffer->len))
g_string_append_len (emss->buffer, string, len);
else
emss_sync_op (emss, EMSS_WRITE, string, len);
} else {
emss_sync_op(emss, EMSS_WRITE, string, len);
}
return (gssize) len;
}
static int
emss_stream_flush (CamelStream *stream)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel)
return -1;
if (mail_in_main_thread ())
return EMSS_CLASS (emss)->sync_flush (stream);
else
emss_sync_op (emss, EMSS_FLUSH, NULL, 0);
return 0;
}
static int
emss_stream_close (CamelStream *stream)
{
EMSyncStream *emss = EM_SYNC_STREAM (stream);
if (emss->cancel)
return -1;
if (mail_in_main_thread ())
return EMSS_CLASS (emss)->sync_close (stream);
else
emss_sync_op (emss, EMSS_CLOSE, NULL, 0);
return 0;
}
static void
em_sync_stream_class_init (EMSyncStreamClass *class)
{
CamelStreamClass *stream_class = CAMEL_STREAM_CLASS (class);
parent_class = (CamelStreamClass *) CAMEL_STREAM_TYPE;
stream_class->write = emss_stream_write;
stream_class->flush = emss_stream_flush;
stream_class->close = emss_stream_close;
}
static void
em_sync_stream_finalize (EMSyncStream *emss)
{
if (emss->buffer != NULL)
g_string_free (emss->buffer, TRUE);
}
CamelType
em_sync_stream_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (G_UNLIKELY (type == CAMEL_INVALID_TYPE))
type = camel_type_register (
CAMEL_STREAM_TYPE,
"EMSyncStream",
sizeof (EMSyncStream),
sizeof (EMSyncStreamClass),
(CamelObjectClassInitFunc) em_sync_stream_class_init,
NULL,
(CamelObjectInitFunc) NULL,
(CamelObjectFinalizeFunc) em_sync_stream_finalize);
return type;
}
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);
}
|
