mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
53c009e626
Added socket extention to the lwip hooks for implementing non-vanilla
{get/set}sockopts()
109 lines
3.9 KiB
C
109 lines
3.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "lwip/sockets.h"
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#include "lwip/priv/sockets_priv.h"
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#include "lwip/api.h"
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#include "lwip/sys.h"
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#include "lwip/tcp.h"
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#include "lwip/raw.h"
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#include "lwip/udp.h"
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#define LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, opttype) do { \
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if (((optlen) < sizeof(opttype)) || ((sock)->conn == NULL) || ((sock)->conn->pcb.tcp == NULL)) { *err=EINVAL; goto exit; } }while(0)
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#define LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, opttype, netconntype) do { \
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, opttype); \
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if (NETCONNTYPE_GROUP(netconn_type((sock)->conn)) != netconntype) { *err=ENOPROTOOPT; goto exit; } } while(0)
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bool lwip_setsockopt_impl_ext(struct lwip_sock* sock, int level, int optname, const void *optval, socklen_t optlen, int *err)
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{
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#if LWIP_IPV6
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if (level != IPPROTO_IPV6)
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#endif /* LWIP_IPV6 */
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{
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return false;
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}
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#if LWIP_IPV6
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switch (optname) {
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default:
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return false;
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case IPV6_MULTICAST_IF: /* NB: like IP_MULTICAST_IF, this takes an IP not an index */
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{
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, u8_t, NETCONN_UDP);
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udp_set_multicast_netif_index(sock->conn->pcb.udp, (u8_t)(*(const u8_t*)optval));
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}
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break;
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case IPV6_MULTICAST_HOPS:
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, u8_t, NETCONN_UDP);
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udp_set_multicast_ttl(sock->conn->pcb.udp, (u8_t)(*(const u8_t*)optval));
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break;
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case IPV6_MULTICAST_LOOP:
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, u8_t, NETCONN_UDP);
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if (*(const u8_t*)optval) {
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udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);
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} else {
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udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);
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}
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break;
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}
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exit:
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return true;
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#endif /* LWIP_IPV6 */
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}
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bool lwip_getsockopt_impl_ext(struct lwip_sock* sock, int level, int optname, void *optval, uint32_t *optlen, int *err)
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{
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#if LWIP_IPV6
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if (level != IPPROTO_IPV6)
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#endif /* LWIP_IPV6 */
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{
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return false;
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}
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#if LWIP_IPV6
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switch (optname) {
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default:
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return false;
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case IPV6_MULTICAST_IF: /* NB: like IP_MULTICAST_IF, this returns an IP not an index */
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, u8_t);
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if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_UDP) {
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*err = ENOPROTOOPT;
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goto exit;
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}
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*(u8_t*)optval = udp_get_multicast_netif_index(sock->conn->pcb.udp);
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LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt_ext(IPPROTO_IPV6, IPV6_MULTICAST_IF) = 0x%"X32_F"\n",
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*(u32_t *)optval));
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break;
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case IPV6_MULTICAST_HOPS:
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printf("IPV6_MULTICAST_HOPS\n");
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, u8_t);
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if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_UDP) {
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*err = ENOPROTOOPT;
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goto exit;
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}
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*(u8_t*)optval = udp_get_multicast_ttl(sock->conn->pcb.udp);
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LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt_ext(IPPROTO_IPV6, IP_MULTICAST_LOOP) = %d\n",
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*(int *)optval));
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break;
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case IPV6_MULTICAST_LOOP:
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LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, u8_t);
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if ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_MULTICAST_LOOP) != 0) {
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*(u8_t*)optval = 1;
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} else {
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*(u8_t*)optval = 0;
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}
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LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_getsockopt_ext(IPPROTO_IPV6, IP_MULTICAST_LOOP) = %d\n",
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*(int *)optval));
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break;
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}
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exit:
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return true;
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#endif /* LWIP_IPV6 */
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}
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