static void
cockpit_channel_actual_send (CockpitChannel *self,
GBytes *payload,
gboolean trust_is_utf8)
{
GBytes *validated = NULL;
guint64 out_sequence;
JsonObject *ping;
gsize size;
g_return_if_fail (self->priv->out_buffer == NULL);
g_return_if_fail (self->priv->buffer_timeout == 0);
if (!trust_is_utf8)
{
if (!self->priv->binary_ok)
payload = validated = cockpit_unicode_force_utf8 (payload);
}
cockpit_transport_send (self->priv->transport, self->priv->id, payload);
/* A wraparound of our gint64 size? */
if (self->priv->flow_control)
{
size = g_bytes_get_size (payload);
g_return_if_fail (G_MAXINT64 - size > self->priv->out_sequence);
/* How many bytes have been sent (queued) */
out_sequence = self->priv->out_sequence + size;
/* Every CHANNEL_FLOW_PING bytes we send a ping */
if (out_sequence / CHANNEL_FLOW_PING != self->priv->out_sequence / CHANNEL_FLOW_PING)
{
ping = json_object_new ();
json_object_set_int_member (ping, "sequence", out_sequence);
cockpit_channel_control (self, "ping", ping);
g_debug ("%s: sending ping with sequence: %" G_GINT64_FORMAT, self->priv->id, out_sequence);
json_object_unref (ping);
}
/* If we've sent more than the window, apply back pressure */
self->priv->out_sequence = out_sequence;
if (self->priv->out_sequence > self->priv->out_window)
{
g_debug ("%s: sent too much data without acknowledgement, emitting back pressure until %"
G_GINT64_FORMAT, self->priv->id, self->priv->out_window);
cockpit_flow_emit_pressure (COCKPIT_FLOW (self), TRUE);
}
}
if (validated)
g_bytes_unref (validated);
}
/**
* cockpit_channel_send:
* @self: a pipe
* @payload: the message payload to send
* @trust_is_utf8: set to true if sure data is UTF8
*
* Called by implementations to send a message over the transport
* on the right channel.
*
* This message is queued, and sent once the transport can.
*/
void
cockpit_channel_send (CockpitChannel *self,
GBytes *payload,
gboolean trust_is_utf8)
{
GBytes *validated = NULL;
if (!trust_is_utf8)
{
if (!self->priv->binary_ok)
payload = validated = cockpit_unicode_force_utf8 (payload);
}
cockpit_transport_send (self->priv->transport, self->priv->id, payload);
if (validated)
g_bytes_unref (validated);
}
