b18bc7cc3e
Add new socket offloading functions, allowing to enable/disable offloaded DNS implementation at runtime. This may be useful if there is a mix of offloaded/native network interfaces in the system, so the application can choose which DNS backend to use. Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/*
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* Copyright (c) 2018 Linaro Limited.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(net_socket_offload, CONFIG_NET_SOCKETS_LOG_LEVEL);
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#include <zephyr/net/socket_offload.h>
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#include <zephyr/net/socket.h>
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#include "sockets_internal.h"
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static const struct socket_dns_offload *dns_offload;
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static bool dns_offload_enabled;
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void socket_offload_dns_register(const struct socket_dns_offload *ops)
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{
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__ASSERT_NO_MSG(ops);
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__ASSERT_NO_MSG(dns_offload == NULL);
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dns_offload = ops;
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socket_offload_dns_enable(true);
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}
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int socket_offload_dns_deregister(const struct socket_dns_offload *ops)
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{
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__ASSERT_NO_MSG(ops != NULL);
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if (dns_offload != ops) {
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return -EINVAL;
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}
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dns_offload = NULL;
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socket_offload_dns_enable(false);
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return 0;
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}
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void socket_offload_dns_enable(bool enable)
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{
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dns_offload_enabled = enable;
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}
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bool socket_offload_dns_is_enabled(void)
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{
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return (dns_offload != NULL) && dns_offload_enabled;
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}
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int socket_offload_getaddrinfo(const char *node, const char *service,
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const struct zsock_addrinfo *hints,
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struct zsock_addrinfo **res)
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{
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__ASSERT_NO_MSG(dns_offload);
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__ASSERT_NO_MSG(dns_offload->getaddrinfo);
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return dns_offload->getaddrinfo(node, service, hints, res);
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}
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void socket_offload_freeaddrinfo(struct zsock_addrinfo *res)
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{
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__ASSERT_NO_MSG(dns_offload);
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__ASSERT_NO_MSG(dns_offload->freeaddrinfo);
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dns_offload->freeaddrinfo(res);
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}
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