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SourceVuESP-IDF Framework and Examplesrestful_server sample_udp_recv()

_udp_recv() function

the receive callback of the raw udp api. Packets are received here

Syntax

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Summary

Declaration

Definition

from mdns_networking_lwip.c:45

static void _udp_recv(void *arg, struct udp_pcb *upcb, struct pbuf *pb, const ip_addr_t *raddr, uint16_t rport);

Implemented in mdns_networking_lwip.c:138

Arguments

Argument

arg

upcb

pb

raddr

rport

References

Code

Location

Referrer

static void _udp_recv(void *arg, struct udp_pcb *upcb, struct pbuf *pb, const ip_addr_t *raddr, uint16_t rport)

mdns_networking_lwip.c:138

static void _udp_recv(void *arg, struct udp_pcb *upcb, struct pbuf *pb, const ip_addr_t *raddr, uint16_t rport);

mdns_networking_lwip.c:45

udp_recv(_pcb_main, &_udp_recv, NULL);

mdns_networking_lwip.c:67

_udp_pcb_main_init()

Call Tree

_udp_recv() calls 9 functions:

_udp_recv()

esp_get_free_heap_size()

esp_log_timestamp()

esp_log_write()

esp_netif_get_netif_impl()

_mdns_get_esp_netif()

_mdns_send_rx_action()

mdns_mem_malloc()

mdns_mem_free()

Data Use

_udp_recv() reads 33 variables and writes 8 variables:

_udp_recv()

esp_ip4_addr::addr

mdns_rx_packet_t::tcpip_if

mdns_rx_packet_t::ip_protocol

mdns_rx_packet_t::pb

mdns_rx_packet_t::src_port

mdns_rx_packet_t::multicast

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Lifecycle

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