linux 高性能udp 接收

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <pthread.h>

void *recv_thread(void *arg) {
    int sockfd = *(int *)arg;
    char buffer[1024];
    struct sockaddr_in client_addr;
    socklen_t addr_len = sizeof(client_addr);

    while (1) {
        ssize_t recv_len = recvfrom(sockfd, buffer, sizeof(buffer), 0, (struct sockaddr *)&client_addr, &addr_len);
        if (recv_len > 0) {
            // 处理接收到的数据
        }
    }
    return NULL;
}

int main() {
    int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
    struct sockaddr_in server_addr;
    memset(&server_addr, 0, sizeof(server_addr));
    server_addr.sin_family = AF_INET;
    server_addr.sin_port = htons(8888);
    server_addr.sin_addr.s_addr = htonl(INADDR_ANY);

    bind(sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr));

    pthread_t thread;
    pthread_create(&thread, NULL, recv_thread, &sockfd);
    pthread_join(thread, NULL);

    close(sockfd);
    return 0;
}