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-rw-r--r--src/pulse/subscribe.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/src/pulse/subscribe.c b/src/pulse/subscribe.c
new file mode 100644
index 00000000..c1d88912
--- /dev/null
+++ b/src/pulse/subscribe.c
@@ -0,0 +1,89 @@
+/* $Id$ */
+
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio 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 of the License,
+ or (at your option) any later version.
+
+ PulseAudio 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+
+#include <pulsecore/gccmacro.h>
+#include <pulsecore/pstream-util.h>
+
+#include "internal.h"
+
+#include "subscribe.h"
+
+void pa_command_subscribe_event(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
+ pa_context *c = userdata;
+ pa_subscription_event_type_t e;
+ uint32_t idx;
+
+ assert(pd);
+ assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
+ assert(t);
+ assert(c);
+
+ pa_context_ref(c);
+
+ if (pa_tagstruct_getu32(t, &e) < 0 ||
+ pa_tagstruct_getu32(t, &idx) < 0 ||
+ !pa_tagstruct_eof(t)) {
+ pa_context_fail(c, PA_ERR_PROTOCOL);
+ goto finish;
+ }
+
+ if (c->subscribe_callback)
+ c->subscribe_callback(c, e, idx, c->subscribe_userdata);
+
+finish:
+ pa_context_unref(c);
+}
+
+
+pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata) {
+ pa_operation *o;
+ pa_tagstruct *t;
+ uint32_t tag;
+
+ assert(c);
+ assert(c->ref >= 1);
+
+ PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+ o = pa_operation_new(c, NULL, (pa_operation_cb_t) cb, userdata);
+
+ t = pa_tagstruct_command(c, PA_COMMAND_SUBSCRIBE, &tag);
+ pa_tagstruct_putu32(t, m);
+ pa_pstream_send_tagstruct(c->pstream, t);
+ pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, pa_context_simple_ack_callback, pa_operation_ref(o), (pa_free_cb_t) pa_operation_unref);
+
+ return o;
+}
+
+void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata) {
+ assert(c);
+ assert(c->ref >= 1);
+
+ c->subscribe_callback = cb;
+ c->subscribe_userdata = userdata;
+}