native: Add node querying to the protocol

This commit is contained in:
Tanu Kaskinen 2013-07-03 14:09:20 +03:00
parent 7aec90fb41
commit fd8578a557
6 changed files with 224 additions and 12 deletions

View file

@ -176,6 +176,10 @@ enum {
/* Supported since protocol v27 (3.0) */
PA_COMMAND_SET_PORT_LATENCY_OFFSET,
/* Supported since protocol v29 (5.0) */
PA_COMMAND_GET_NODE_INFO,
PA_COMMAND_GET_NODE_INFO_LIST,
PA_COMMAND_MAX
};

View file

@ -325,6 +325,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_GET_SINK_INPUT_INFO] = command_get_info,
[PA_COMMAND_GET_SOURCE_OUTPUT_INFO] = command_get_info,
[PA_COMMAND_GET_SAMPLE_INFO] = command_get_info,
[PA_COMMAND_GET_NODE_INFO] = command_get_info,
[PA_COMMAND_GET_SINK_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_SOURCE_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_MODULE_INFO_LIST] = command_get_info_list,
@ -333,6 +334,7 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_GET_SINK_INPUT_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_SAMPLE_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_NODE_INFO_LIST] = command_get_info_list,
[PA_COMMAND_GET_SERVER_INFO] = command_get_server_info,
[PA_COMMAND_SUBSCRIBE] = command_subscribe,
@ -3455,6 +3457,16 @@ static void scache_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_s
pa_tagstruct_put_proplist(t, e->proplist);
}
static void node_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_node *node) {
pa_assert(t);
pa_assert(node);
pa_tagstruct_putu32(t, node->index);
pa_tagstruct_puts(t, node->name);
pa_tagstruct_puts(t, node->description);
pa_tagstruct_put_direction(t, node->direction);
}
static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_native_connection *c = PA_NATIVE_CONNECTION(userdata);
uint32_t idx;
@ -3466,6 +3478,7 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
pa_sink_input *si = NULL;
pa_source_output *so = NULL;
pa_scache_entry *sce = NULL;
pa_node *node = NULL;
const char *name = NULL;
pa_tagstruct *reply;
@ -3519,15 +3532,20 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
si = pa_idxset_get_by_index(c->protocol->core->sink_inputs, idx);
else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO)
so = pa_idxset_get_by_index(c->protocol->core->source_outputs, idx);
else {
pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO);
else if (command == PA_COMMAND_GET_SAMPLE_INFO) {
if (idx != PA_INVALID_INDEX)
sce = pa_idxset_get_by_index(c->protocol->core->scache, idx);
else
sce = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_SAMPLE);
}
} else if (command == PA_COMMAND_GET_NODE_INFO) {
if (idx != PA_INVALID_INDEX)
node = pa_idxset_get_by_index(c->protocol->core->nodes, idx);
else
node = pa_namereg_get(c->protocol->core, name, PA_NAMEREG_NODE);
} else
pa_assert_not_reached();
if (!sink && !source && !client && !card && !module && !si && !so && !sce) {
if (!sink && !source && !client && !card && !module && !si && !so && !sce && !node) {
pa_pstream_send_error(c->pstream, tag, PA_ERR_NOENTITY);
return;
}
@ -3547,8 +3565,10 @@ static void command_get_info(pa_pdispatch *pd, uint32_t command, uint32_t tag, p
sink_input_fill_tagstruct(c, reply, si);
else if (so)
source_output_fill_tagstruct(c, reply, so);
else
else if (sce)
scache_fill_tagstruct(c, reply, sce);
else if (node)
node_fill_tagstruct(c, reply, node);
pa_pstream_send_tagstruct(c->pstream, reply);
}
@ -3585,10 +3605,12 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t
i = c->protocol->core->sink_inputs;
else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
i = c->protocol->core->source_outputs;
else {
pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
else if (command == PA_COMMAND_GET_SAMPLE_INFO_LIST)
i = c->protocol->core->scache;
}
else if (command == PA_COMMAND_GET_NODE_INFO_LIST)
i = c->protocol->core->nodes;
else
pa_assert_not_reached();
if (i) {
PA_IDXSET_FOREACH(p, i, idx) {
@ -3606,10 +3628,12 @@ static void command_get_info_list(pa_pdispatch *pd, uint32_t command, uint32_t t
sink_input_fill_tagstruct(c, reply, p);
else if (command == PA_COMMAND_GET_SOURCE_OUTPUT_INFO_LIST)
source_output_fill_tagstruct(c, reply, p);
else {
pa_assert(command == PA_COMMAND_GET_SAMPLE_INFO_LIST);
else if (command == PA_COMMAND_GET_SAMPLE_INFO_LIST)
scache_fill_tagstruct(c, reply, p);
}
else if (command == PA_COMMAND_GET_NODE_INFO_LIST)
node_fill_tagstruct(c, reply, p);
else
pa_assert_not_reached();
}
}