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[udp] Register socket consumption for CONFIG_LWIP_MAX_SOCKETS

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The UDP component creates up to 2 sockets (broadcast + listen) but
did not register them with the socket consumption API. This could
cause CONFIG_LWIP_MAX_SOCKETS to be set too low on ESP32 IDF.

Closes https://github.com/esphome/esphome/issues/14031
This commit is contained in:
J. Nick Koston
2026-02-18 18:27:41 -06:00
parent bd055e75b9
commit d814b0fc77
1 changed files with 38 additions and 24 deletions
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62
esphome/components/udp/__init__.py
View File

@@ -65,33 +65,47 @@ RELOCATED = {
)
}
CONFIG_SCHEMA = cv.COMPONENT_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(UDPComponent),
cv.Optional(CONF_PORT, default=18511): cv.Any(
cv.port,
cv.Schema(
def _consume_udp_sockets(config: cv.ConfigType) -> cv.ConfigType:
"""Register socket needs for UDP component."""
from esphome.components import socket
# UDP uses up to 2 sockets: 1 broadcast + 1 listen
# Whether each is used depends on code generation, so register worst case
socket.consume_sockets(2, "udp")(config)
return config
CONFIG_SCHEMA = cv.All(
cv.COMPONENT_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(UDPComponent),
cv.Optional(CONF_PORT, default=18511): cv.Any(
cv.port,
cv.Schema(
{
cv.Required(CONF_LISTEN_PORT): cv.port,
cv.Required(CONF_BROADCAST_PORT): cv.port,
}
),
),
cv.Optional(
CONF_LISTEN_ADDRESS, default="255.255.255.255"
): cv.ipv4address_multi_broadcast,
cv.Optional(CONF_ADDRESSES, default=["255.255.255.255"]): cv.ensure_list(
cv.ipv4address,
),
cv.Optional(CONF_ON_RECEIVE): automation.validate_automation(
{
cv.Required(CONF_LISTEN_PORT): cv.port,
cv.Required(CONF_BROADCAST_PORT): cv.port,
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
Trigger.template(trigger_args)
),
}
),
),
cv.Optional(
CONF_LISTEN_ADDRESS, default="255.255.255.255"
): cv.ipv4address_multi_broadcast,
cv.Optional(CONF_ADDRESSES, default=["255.255.255.255"]): cv.ensure_list(
cv.ipv4address,
),
cv.Optional(CONF_ON_RECEIVE): automation.validate_automation(
{
cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(
Trigger.template(trigger_args)
),
}
),
}
).extend(RELOCATED)
}
).extend(RELOCATED),
_consume_udp_sockets,
)
async def register_udp_client(var, config):