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client-node: activate using the node eventfd

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Don't make an extra eventfd for activating the remote-node, we can
use the server side eventfd and send them to the remote side using
the transport.

The remote node already adds the eventfd to the data-loop so avoids
doing the same on the server.

This makes driver nodes trigger all remote nodes directly instead of
going through an intermediate eventfd. For resuming nodes, we already
used the node eventfd directly so this only a small optimization
for the initial cycle start.
This commit is contained in:
Wim Taymans 2023-05-02 17:16:18 +02:00
parent 8f799af6df
commit f8663ab31c
3 changed files with 27 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/modules/module-client-node/remote-node.c
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@ -247,6 +247,7 @@ static int client_node_transport(void *_data,
int readfd, int writefd, uint32_t mem_id, uint32_t offset, uint32_t size)
{
struct node_data *data = _data;
struct pw_impl_node *node = data->node;
struct pw_proxy *proxy = (struct pw_proxy*)data->client_node;
clean_transport(data);
@ -258,18 +259,18 @@ static int client_node_transport(void *_data,
return -errno;
}
data->node->rt.activation = data->activation->ptr;
node->rt.activation = data->activation->ptr;
pw_log_debug("remote-node %p: fds:%d %d node:%u activation:%p",
proxy, readfd, writefd, data->remote_id, data->activation->ptr);
data->rtwritefd = writefd;
spa_system_close(data->data_system, data->node->source.fd);
data->node->source.fd = readfd;
spa_system_close(data->data_system, node->source.fd);
node->source.fd = readfd;
data->have_transport = true;
if (data->node->active)
if (node->active)
pw_client_node_set_active(data->client_node, true);
return 0;