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
|
#include <dbus/dbus-glib.h>
#include <stdio.h>
#include <stdlib.h>
#include "statemachine.h"
#include "sm-marshal.h"
#include "statemachine-server.h"
enum
{
PROP_O,
PROP_BUS
};
enum
{
MACHINE_CREATED,
LAST_SIGNAL
};
static guint sm_server_signals[LAST_SIGNAL] = { 0 };
static void sm_server_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void sm_server_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
G_DEFINE_TYPE(SMServer, sm_server, G_TYPE_OBJECT)
#include "statemachine-server-glue.h"
#include "statemachine-glue.h"
static void
sm_server_init (SMServer *obj)
{
obj->machines = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_object_unref);
}
static void
sm_server_class_init (SMServerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = sm_server_set_property;
object_class->get_property = sm_server_get_property;
g_object_class_install_property (object_class,
PROP_BUS,
g_param_spec_boxed ("bus",
"bus",
"bus",
DBUS_TYPE_G_CONNECTION,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
sm_server_signals[MACHINE_CREATED] =
g_signal_new ("machine-created",
G_OBJECT_CLASS_TYPE (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
0,
NULL, NULL,
sm_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2, G_TYPE_STRING, DBUS_TYPE_G_OBJECT_PATH);
}
static void
sm_server_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
SMServer *server = SM_SERVER (object);
switch (prop_id)
{
case PROP_BUS:
server->bus = g_value_get_boxed (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
sm_server_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
SMServer *server = SM_SERVER (object);
switch (prop_id)
{
case PROP_BUS:
g_value_set_boxed (value, server->bus);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
gboolean
sm_server_create_machine (SMServer *server, const char *name, GError **error)
{
SMObject *machine;
char *path;
machine = g_hash_table_lookup (server->machines, name);
if (machine != NULL)
{
g_set_error (error,
SM_ERROR,
SM_ERROR_NAME_IN_USE,
"Statemachine name \"%s\" is already in use",
name);
return FALSE;
}
machine = g_object_new (SM_TYPE_OBJECT, "name", name, NULL);
path = g_strdup_printf ("/com/example/StateMachines/%s", name);
dbus_g_connection_register_g_object (server->bus, path, G_OBJECT (machine));
g_hash_table_insert (server->machines, g_strdup (name), machine);
g_print ("Created state machine with name %s at %s\n", name, path);
g_signal_emit (server, sm_server_signals[MACHINE_CREATED], 0, name, path);
return TRUE;
}
static void
add_machine_to_ptr_array (gpointer key, gpointer val, gpointer data)
{
const char *name = key;
/* SMObject *sm = val; */
GPtrArray *ptrarray = data;
g_ptr_array_add (ptrarray, g_strdup_printf ("/com/example/StateMachines/%s",
name));
}
gboolean
sm_server_get_machines (SMServer *server, GPtrArray **machines, GError **error)
{
*machines = g_ptr_array_new ();
g_hash_table_foreach (server->machines, add_machine_to_ptr_array, *machines);
return TRUE;
}
int
main (int argc, char **argv)
{
DBusGConnection *bus;
DBusGProxy *bus_proxy;
GError *error = NULL;
SMServer *server;
GMainLoop *mainloop;
guint request_name_result;
g_type_init ();
dbus_g_object_type_install_info (SM_TYPE_SERVER, &dbus_glib_sm_server_object_info);
dbus_g_object_type_install_info (SM_TYPE_OBJECT, &dbus_glib_sm_object_object_info);
dbus_g_error_domain_register (SM_ERROR, NULL, SM_TYPE_ERROR);
mainloop = g_main_loop_new (NULL, FALSE);
bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (!bus)
g_critical ("Couldn't connect to session bus: %s\n", error->message);
bus_proxy = dbus_g_proxy_new_for_name (bus, "org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus");
if (!dbus_g_proxy_call (bus_proxy, "RequestName", &error,
G_TYPE_STRING, "com.example.StateServer",
G_TYPE_UINT, DBUS_NAME_FLAG_PROHIBIT_REPLACEMENT,
G_TYPE_INVALID,
G_TYPE_UINT, &request_name_result,
G_TYPE_INVALID))
g_critical ("Couldn't acquire com.example.StateServer: %s\n", error->message);
server = g_object_new (SM_TYPE_SERVER, "bus", bus, NULL);
dbus_g_connection_register_g_object (bus, "/com/example/StateServer", G_OBJECT (server));
g_print ("StateMachine server initialized\n");
g_main_loop_run (mainloop);
exit (0);
}
|