static void pa_command_disable_srbchannel(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
pa_context *c = userdata;
pa_tagstruct *t2;
pa_assert(pd);
pa_assert(command == PA_COMMAND_DISABLE_SRBCHANNEL);
pa_assert(t);
pa_assert(c);
pa_assert(PA_REFCNT_VALUE(c) >= 1);
pa_pstream_set_srbchannel(c->pstream, NULL);
c->srb_template.readfd = -1;
c->srb_template.writefd = -1;
if (c->srb_template.memblock) {
pa_memblock_unref(c->srb_template.memblock);
c->srb_template.memblock = NULL;
}
/* Send disable command back again */
t2 = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t2, PA_COMMAND_DISABLE_SRBCHANNEL);
pa_tagstruct_putu32(t2, tag);
pa_pstream_send_tagstruct(c->pstream, t2);
}
static void handle_srbchannel_memblock(pa_context *c, pa_memblock *memblock) {
pa_srbchannel *sr;
pa_tagstruct *t;
pa_assert(c);
/* Memblock sanity check */
if (!memblock) {
pa_context_fail(c, PA_ERR_PROTOCOL);
return;
} else if (pa_memblock_is_read_only(memblock)) {
pa_context_fail(c, PA_ERR_PROTOCOL);
return;
} else if (pa_memblock_is_ours(memblock)) {
pa_context_fail(c, PA_ERR_PROTOCOL);
return;
}
/* Create the srbchannel */
c->srb_template.memblock = memblock;
pa_memblock_ref(memblock);
sr = pa_srbchannel_new_from_template(c->mainloop, &c->srb_template);
if (!sr) {
pa_log_warn("Failed to create srbchannel from template");
c->srb_template.readfd = -1;
c->srb_template.writefd = -1;
pa_memblock_unref(c->srb_template.memblock);
c->srb_template.memblock = NULL;
return;
}
/* Ack the enable command */
t = pa_tagstruct_new();
pa_tagstruct_putu32(t, PA_COMMAND_ENABLE_SRBCHANNEL);
pa_tagstruct_putu32(t, c->srb_setup_tag);
pa_pstream_send_tagstruct(c->pstream, t);
/* ...and switch over */
pa_pstream_set_srbchannel(c->pstream, sr);
}
