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info and subscription work

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@114 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-08-11 15:11:26 +00:00
parent b297d0b59a
commit cbfaf40b45
10 changed files with 232 additions and 41 deletions
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52
polyp/protocol-native.c
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@ -43,6 +43,7 @@
#include "scache.h"
#include "xmalloc.h"
#include "util.h"
#include "subscribe.h"
struct connection;
struct pa_protocol_native;
@ -93,6 +94,7 @@ struct connection {
struct pa_pdispatch *pdispatch;
struct pa_idxset *record_streams, *output_streams;
uint32_t rrobin_index;
struct pa_subscription *subscription;
};
struct pa_protocol_native {
@ -131,6 +133,7 @@ static void command_remove_sample(struct pa_pdispatch *pd, uint32_t command, uin
static void command_get_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_get_info_list(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_get_server_info(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static void command_subscribe(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata);
static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_ERROR] = { NULL },
@ -159,6 +162,7 @@ static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = {
[PA_COMMAND_GET_SINK_INFO_LIST] = { command_get_info_list },
[PA_COMMAND_GET_SOURCE_INFO_LIST] = { command_get_info_list },
[PA_COMMAND_GET_SERVER_INFO] = { command_get_server_info },
[PA_COMMAND_SUBSCRIBE] = { command_subscribe },
};
/* structure management */
@ -301,6 +305,10 @@ static void connection_free(struct connection *c) {
pa_pdispatch_free(c->pdispatch);
pa_pstream_free(c->pstream);
pa_client_free(c->client);
if (c->subscription)
pa_subscription_free(c->subscription);
pa_xfree(c);
}
@ -1076,6 +1084,49 @@ static void command_get_server_info(struct pa_pdispatch *pd, uint32_t command, u
pa_pstream_send_tagstruct(c->pstream, reply);
}
static void subscription_cb(struct pa_core *core, enum pa_subscription_event_type e, uint32_t index, void *userdata) {
struct pa_tagstruct *t;
struct connection *c = userdata;
assert(c && core);
t = pa_tagstruct_new(NULL, 0);
assert(t);
pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE_EVENT);
pa_tagstruct_putu32(t, (uint32_t) -1);
pa_tagstruct_putu32(t, e);
pa_tagstruct_putu32(t, index);
pa_pstream_send_tagstruct(c->pstream, t);
}
static void command_subscribe(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) {
struct connection *c = userdata;
enum pa_subscription_mask m;
assert(c && t);
if (pa_tagstruct_getu32(t, &m) < 0 ||
!pa_tagstruct_eof(t)) {
protocol_error(c);
return;
}
if (!c->authorized) {
pa_pstream_send_error(c->pstream, tag, PA_ERROR_ACCESS);
return;
}
if (c->subscription)
pa_subscription_free(c->subscription);
if (m != 0) {
c->subscription = pa_subscription_new(c->protocol->core, m, subscription_cb, c);
assert(c->subscription);
} else
c->subscription = NULL;
pa_pstream_send_simple_ack(c->pstream, tag);
}
/*** pstream callbacks ***/
static void pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) {
@ -1197,6 +1248,7 @@ static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, vo
assert(c->record_streams && c->output_streams);
c->rrobin_index = PA_IDXSET_INVALID;
c->subscription = NULL;
pa_idxset_put(p->connections, c, NULL);
}