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
|
/* -*- mode: c; c-file-style: "bsd"; -*- */
/*
* Copyright (C) 2004 Jack O'Quin
*
* 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 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include <config.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <jack/intclient.h>
#include <jack/uuid.h>
#include "internal.h"
#include "varargs.h"
#include "local.h"
static int
jack_intclient_request (RequestType type, jack_client_t *client,
const char* client_name, jack_options_t options,
jack_status_t *status, jack_intclient_t uuid, jack_varargs_t *va)
{
jack_request_t req;
memset (&req, 0, sizeof(req));
if (strlen (client_name) >= sizeof(req.x.intclient.name)) {
jack_error ("\"%s\" is too long for a JACK client name.\n"
"Please use %lu characters or less.",
client_name, sizeof(req.x.intclient.name));
return -1;
}
if (va->load_name
&& (strlen (va->load_name) > sizeof(req.x.intclient.path) - 1)) {
jack_error ("\"%s\" is too long for a shared object name.\n"
"Please use %lu characters or less.",
va->load_name, sizeof(req.x.intclient.path) - 1);
*status |= (JackFailure | JackInvalidOption);
return -1;
}
if (va->load_init
&& (strlen (va->load_init) > sizeof(req.x.intclient.init) - 1)) {
jack_error ("\"%s\" is too long for internal client init "
"string.\nPlease use %lu characters or less.",
va->load_init, sizeof(req.x.intclient.init) - 1);
*status |= (JackFailure | JackInvalidOption);
return -1;
}
req.type = type;
req.x.intclient.options = options;
strncpy (req.x.intclient.name, client_name,
sizeof(req.x.intclient.name));
if (va->load_name) {
strncpy (req.x.intclient.path, va->load_name,
sizeof(req.x.intclient.path));
}
if (va->load_init) {
strncpy (req.x.intclient.init, va->load_init,
sizeof(req.x.intclient.init));
}
jack_client_deliver_request (client, &req);
*status |= req.status;
if (*status & JackFailure) {
return -1;
}
jack_uuid_copy (&uuid, req.x.intclient.uuid);
return 0;
}
char *
jack_get_internal_client_name (jack_client_t *client,
jack_intclient_t intclient)
{
jack_request_t req;
char *name;
memset (&req, 0, sizeof(req));
req.type = IntClientName;
req.x.intclient.options = JackNullOption;
jack_uuid_copy (&req.x.intclient.uuid, intclient);
jack_client_deliver_request (client, &req);
if (req.status & JackFailure) {
return NULL;
}
/* allocate storage for returning the name */
if ((name = strdup (req.x.intclient.name)) == NULL) {
return NULL;
}
return name;
}
int
jack_internal_client_handle (jack_client_t *client,
const char *client_name,
jack_status_t *status,
jack_intclient_t *handle)
{
jack_request_t req;
jack_status_t my_status;
if (status == NULL) { /* no status from caller? */
status = &my_status; /* use local status word */
}
*status = 0;
memset (&req, 0, sizeof(req));
req.type = IntClientHandle;
req.x.intclient.options = JackNullOption;
strncpy (req.x.intclient.name, client_name,
sizeof(req.x.intclient.name));
*status = jack_client_deliver_request (client, &req);
if (!jack_uuid_empty (req.x.intclient.uuid)) {
jack_uuid_copy (handle, req.x.intclient.uuid);
return 0;
}
return -1;
}
int
jack_internal_client_load_aux (jack_client_t *client,
const char *client_name,
jack_options_t options,
jack_status_t *status,
jack_intclient_t handle, va_list ap)
{
jack_varargs_t va;
jack_status_t my_status;
if (status == NULL) { /* no status from caller? */
status = &my_status; /* use local status word */
}
*status = 0;
/* validate parameters */
if ((options & ~JackLoadOptions)) {
*status |= (JackFailure | JackInvalidOption);
return -1;
}
/* parse variable arguments */
jack_varargs_parse (options, ap, &va);
return jack_intclient_request (IntClientLoad, client, client_name,
options, status, handle, &va);
}
int
jack_internal_client_load (jack_client_t *client,
const char *client_name,
jack_options_t options,
jack_status_t *status,
jack_intclient_t handle, ...)
{
va_list ap;
va_start (ap, handle);
int res = jack_internal_client_load_aux (client, client_name, options, status, handle, ap);
va_end (ap);
return res;
}
jack_status_t
jack_internal_client_unload (jack_client_t *client,
jack_intclient_t intclient)
{
jack_request_t req;
jack_status_t status;
if (intclient) {
memset (&req, 0, sizeof(req));
req.type = IntClientUnload;
req.x.intclient.options = JackNullOption;
jack_uuid_copy (&req.x.intclient.uuid, intclient);
jack_client_deliver_request (client, &req);
status = req.status;
} else { /* intclient is null */
status = (JackNoSuchClient | JackFailure);
}
return status;
}
|
