单线程
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/tcp.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/time.h>#define BUFFER_SIZE (1024 * 1024) // 1MB buffer
#define TEST_DURATION 10 // 假定客户端也会持续发送数据同样的时长int main(int argc, char *argv[]) {if (argc != 2) {fprintf(stderr, "Usage: %s <server_port>\n", argv[0]);return 1;}int server_sockfd = socket(AF_INET, SOCK_STREAM, 0);if (server_sockfd < 0) {perror("socket creation failed");return 1;}struct sockaddr_in server_addr;memset(&
