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
|
/*
* transmission-remote-gtk - A GTK RPC client to Transmission
* Copyright (C) 2011-2013 Alan Fitton
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* 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.
*/
#if WIN32
#define TRG_MAILSLOT_NAME "\\\\.\\mailslot\\TransmissionRemoteGTK"
#define MAILSLOT_BUFFER_SIZE 1024*32
#include <windows.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#include <json-glib/json-glib.h>
#include "trg-main-window.h"
#include "win32-mailslot.h"
struct trg_mailslot_recv_args {
TrgMainWindow *win;
gchar **uris;
gboolean present;
};
/* to be queued into the glib main loop with g_idle_add() */
static gboolean mailslot_recv_args(gpointer data)
{
struct trg_mailslot_recv_args *args =
(struct trg_mailslot_recv_args *) data;
if (args->present) {
gtk_window_deiconify(GTK_WINDOW(args->win));
gtk_window_present(GTK_WINDOW(args->win));
}
if (args->uris)
trg_add_from_filename(args->win, args->uris);
g_free(args);
return FALSE;
}
static gpointer mailslot_recv_thread(gpointer data)
{
TrgMainWindow *win = TRG_MAIN_WINDOW(data);
JsonParser *parser;
char szBuffer[MAILSLOT_BUFFER_SIZE];
HANDLE hMailslot;
DWORD cbBytes;
BOOL bResult;
hMailslot = CreateMailslot(TRG_MAILSLOT_NAME, /* mailslot name */
MAILSLOT_BUFFER_SIZE, /* input buffer size */
MAILSLOT_WAIT_FOREVER, /* no timeout */
NULL); /* default security attribute */
if (INVALID_HANDLE_VALUE == hMailslot) {
g_error("\nError occurred while creating the mailslot: %d",
GetLastError());
return NULL; /* Error */
}
while (1) {
bResult = ReadFile(hMailslot, /* handle to mailslot */
szBuffer, /* buffer to receive data */
sizeof(szBuffer), /* size of buffer */
&cbBytes, /* number of bytes read */
NULL); /* not overlapped I/O */
if ((!bResult) || (0 == cbBytes)) {
g_error("Mailslot error from client: %d", GetLastError());
break;
}
parser = json_parser_new();
if (json_parser_load_from_data(parser, szBuffer, cbBytes, NULL)) {
JsonNode *node = json_parser_get_root(parser);
JsonObject *obj = json_node_get_object(node);
struct trg_mailslot_recv_args *args =
g_new0(struct trg_mailslot_recv_args, 1);
args->present = json_object_has_member(obj, "present")
&& json_object_get_boolean_member(obj, "present");
args->win = win;
if (json_object_has_member(obj, "args")) {
JsonArray *array =
json_object_get_array_member(obj, "args");
GList *arrayList = json_array_get_elements(array);
if (arrayList) {
guint arrayLength = g_list_length(arrayList);
guint i = 0;
GList *li;
args->uris = g_new0(gchar *, arrayLength + 1);
for (li = arrayList; li; li = g_list_next(li)) {
const gchar *liStr =
json_node_get_string((JsonNode *) li->data);
args->uris[i++] = g_strdup(liStr);
}
g_list_free(arrayList);
}
}
json_node_free(node);
g_idle_add(mailslot_recv_args, args);
}
g_object_unref(parser);
}
CloseHandle(hMailslot);
return NULL; /* Success */
}
void mailslot_start_background_listener(TrgMainWindow * win)
{
g_thread_create(mailslot_recv_thread, win, FALSE, NULL);
}
gboolean mailslot_send_message(gchar ** args)
{
HANDLE hMailSlot = CreateFile(TRG_MAILSLOT_NAME, /* mailslot name */
GENERIC_WRITE, /* mailslot write only */
FILE_SHARE_READ, /* required for mailslots */
NULL, /* default security attributes */
OPEN_EXISTING, /* opens existing mailslot */
FILE_ATTRIBUTE_NORMAL, /* normal attributes */
NULL); /* no template file */
if (hMailSlot != INVALID_HANDLE_VALUE) {
DWORD cbBytes;
JsonNode *node = json_node_new(JSON_NODE_OBJECT);
JsonObject *obj = json_object_new();
JsonArray *array = json_array_new();
JsonGenerator *generator;
gchar *msg;
int i;
if (args) {
for (i = 0; args[i]; i++)
json_array_add_string_element(array, args[i]);
json_object_set_array_member(obj, "args", array);
g_strfreev(args);
} else {
json_object_set_boolean_member(obj, "present", TRUE);
}
json_node_take_object(node, obj);
generator = json_generator_new();
json_generator_set_root(generator, node);
msg = json_generator_to_data(generator, NULL);
json_node_free(node);
g_object_unref(generator);
WriteFile(hMailSlot, /* handle to mailslot */
msg, /* buffer to write from */
strlen(msg) + 1, /* number of bytes to write, include the NULL */
&cbBytes, /* number of bytes written */
NULL);
CloseHandle(hMailSlot);
g_free(msg);
return TRUE;
}
return FALSE;
}
#endif
|
