1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
3 * LADI Session Handler (ladish)
5 * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
7 **************************************************************************
8 * This file contains implementation of the studio functionality
9 * related to jack configuration
10 **************************************************************************
12 * LADI Session Handler is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * LADI Session Handler is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
24 * or write to the Free Software Foundation, Inc.,
25 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include <sys/types.h>
37 #include "../jack_proxy.h"
38 #include "../graph_proxy.h"
40 #include "../dbus_constants.h"
42 #include "../catdup.h"
43 #include "../dbus/error.h"
44 #include "dirhelpers.h"
45 #include "graph_dict.h"
47 #include "studio_internal.h"
50 jack_conf_container_create(
51 struct jack_conf_container
** container_ptr_ptr
,
54 struct jack_conf_container
* container_ptr
;
56 container_ptr
= malloc(sizeof(struct jack_conf_container
));
57 if (container_ptr
== NULL
)
59 log_error("malloc() failed to allocate struct jack_conf_container");
63 container_ptr
->name
= strdup(name
);
64 if (container_ptr
->name
== NULL
)
66 log_error("strdup() failed to duplicate \"%s\"", name
);
70 INIT_LIST_HEAD(&container_ptr
->children
);
71 container_ptr
->children_leafs
= false;
73 *container_ptr_ptr
= container_ptr
;
84 jack_conf_parameter_create(
85 struct jack_conf_parameter
** parameter_ptr_ptr
,
88 struct jack_conf_parameter
* parameter_ptr
;
90 parameter_ptr
= malloc(sizeof(struct jack_conf_parameter
));
91 if (parameter_ptr
== NULL
)
93 log_error("malloc() failed to allocate struct jack_conf_parameter");
97 parameter_ptr
->name
= strdup(name
);
98 if (parameter_ptr
->name
== NULL
)
100 log_error("strdup() failed to duplicate \"%s\"", name
);
104 *parameter_ptr_ptr
= parameter_ptr
;
115 jack_conf_parameter_destroy(
116 struct jack_conf_parameter
* parameter_ptr
)
119 log_info("jack_conf_parameter destroy");
121 switch (parameter_ptr
->parameter
.type
)
124 log_info("%s value is %s (boolean)", parameter_ptr
->name
, parameter_ptr
->parameter
.value
.boolean
? "true" : "false");
127 log_info("%s value is %s (string)", parameter_ptr
->name
, parameter_ptr
->parameter
.value
.string
);
130 log_info("%s value is %u/%c (byte/char)", parameter_ptr
->name
, parameter_ptr
->parameter
.value
.byte
, (char)parameter_ptr
->parameter
.value
.byte
);
133 log_info("%s value is %u (uint32)", parameter_ptr
->name
, (unsigned int)parameter_ptr
->parameter
.value
.uint32
);
136 log_info("%s value is %u (int32)", parameter_ptr
->name
, (signed int)parameter_ptr
->parameter
.value
.int32
);
139 log_error("unknown jack parameter_ptr->parameter type %d (%s)", (int)parameter_ptr
->parameter
.type
, parameter_ptr
->name
);
144 if (parameter_ptr
->parameter
.type
== jack_string
)
146 free(parameter_ptr
->parameter
.value
.string
);
149 free(parameter_ptr
->name
);
154 jack_conf_container_destroy(
155 struct jack_conf_container
* container_ptr
)
157 struct list_head
* node_ptr
;
159 //log_info("\"%s\" jack_conf_parameter destroy", container_ptr->name);
161 if (!container_ptr
->children_leafs
)
163 while (!list_empty(&container_ptr
->children
))
165 node_ptr
= container_ptr
->children
.next
;
167 jack_conf_container_destroy(list_entry(node_ptr
, struct jack_conf_container
, siblings
));
172 while (!list_empty(&container_ptr
->children
))
174 node_ptr
= container_ptr
->children
.next
;
176 jack_conf_parameter_destroy(list_entry(node_ptr
, struct jack_conf_parameter
, siblings
));
180 free(container_ptr
->name
);
184 #define context_ptr ((struct conf_callback_context *)context)
191 const char * address
,
194 char path
[JACK_CONF_MAX_ADDRESS_SIZE
];
195 const char * component
;
199 struct jack_conf_container
* parent_ptr
;
200 struct jack_conf_container
* container_ptr
;
201 struct jack_conf_parameter
* parameter_ptr
;
203 parent_ptr
= context_ptr
->parent_ptr
;
205 if (parent_ptr
== NULL
&& strcmp(child
, "drivers") == 0)
207 log_debug("ignoring drivers branch");
213 while (*component
!= 0)
215 len
= strlen(component
);
216 memcpy(dst
, component
, len
);
218 component
+= len
+ 1;
224 /* address always is same buffer as the one supplied through context pointer */
225 ASSERT(context_ptr
->address
== address
);
226 dst
= (char *)component
;
228 len
= strlen(child
) + 1;
229 memcpy(dst
, child
, len
);
234 log_debug("%s (leaf)", path
);
236 if (parent_ptr
== NULL
)
238 log_error("jack conf parameters can't appear in root container");
242 if (!parent_ptr
->children_leafs
)
244 if (!list_empty(&parent_ptr
->children
))
246 log_error("jack conf parameters cant be mixed with containers at same hierarchy level");
250 parent_ptr
->children_leafs
= true;
253 if (!jack_conf_parameter_create(¶meter_ptr
, child
))
255 log_error("jack_conf_parameter_create() failed");
259 if (!jack_proxy_get_parameter_value(context_ptr
->address
, &is_set
, ¶meter_ptr
->parameter
))
261 log_error("cannot get value of %s", path
);
268 switch (parameter_ptr
->parameter
.type
)
271 log_info("%s value is %s (boolean)", path
, parameter_ptr
->parameter
.value
.boolean
? "true" : "false");
274 log_info("%s value is %s (string)", path
, parameter_ptr
->parameter
.value
.string
);
277 log_info("%s value is %u/%c (byte/char)", path
, parameter_ptr
->parameter
.value
.byte
, (char)parameter_ptr
->parameter
.value
.byte
);
280 log_info("%s value is %u (uint32)", path
, (unsigned int)parameter_ptr
->parameter
.value
.uint32
);
283 log_info("%s value is %u (int32)", path
, (signed int)parameter_ptr
->parameter
.value
.int32
);
286 log_error("unknown jack parameter_ptr->parameter type %d (%s)", (int)parameter_ptr
->parameter
.type
, path
);
287 jack_conf_parameter_destroy(parameter_ptr
);
292 parameter_ptr
->parent_ptr
= parent_ptr
;
293 memcpy(parameter_ptr
->address
, context_ptr
->address
, JACK_CONF_MAX_ADDRESS_SIZE
);
294 list_add_tail(¶meter_ptr
->siblings
, &parent_ptr
->children
);
295 list_add_tail(¶meter_ptr
->leaves
, &g_studio
.jack_params
);
299 jack_conf_parameter_destroy(parameter_ptr
);
304 log_debug("%s (container)", path
);
306 if (parent_ptr
!= NULL
&& parent_ptr
->children_leafs
)
308 log_error("jack conf containers cant be mixed with parameters at same hierarchy level");
312 if (!jack_conf_container_create(&container_ptr
, child
))
314 log_error("jack_conf_container_create() failed");
318 container_ptr
->parent_ptr
= parent_ptr
;
320 if (parent_ptr
== NULL
)
322 list_add_tail(&container_ptr
->siblings
, &g_studio
.jack_conf
);
326 list_add_tail(&container_ptr
->siblings
, &parent_ptr
->children
);
329 context_ptr
->parent_ptr
= container_ptr
;
331 if (!jack_proxy_read_conf_container(context_ptr
->address
, context
, conf_callback
))
333 log_error("cannot read container %s", path
);
337 context_ptr
->parent_ptr
= parent_ptr
;
347 void jack_conf_clear(void)
349 struct list_head
* node_ptr
;
351 INIT_LIST_HEAD(&g_studio
.jack_params
); /* we will destroy the leaves as part of tree destroy traversal */
352 while (!list_empty(&g_studio
.jack_conf
))
354 node_ptr
= g_studio
.jack_conf
.next
;
356 jack_conf_container_destroy(list_entry(node_ptr
, struct jack_conf_container
, siblings
));
359 g_studio
.jack_conf_valid
= false;
362 bool studio_fetch_jack_settings(void)
364 struct conf_callback_context context
;
368 context
.address
[0] = 0;
369 context
.container_ptr
= &g_studio
.jack_conf
;
370 context
.parent_ptr
= NULL
;
372 if (!jack_proxy_read_conf_container(context
.address
, &context
, conf_callback
))
374 log_error("jack_proxy_read_conf_container() failed.");