C++ 게임 네트워크 통신의 장점 분석

// 创建一个 UDP 套接字
int socket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);

// 绑定套接字到本地地址和端口
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(PORT);

if (bind(socket, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
  // 处理绑定错误
}

// 循环接收和处理来自客户端的数据
while (true) {
  char buffer[BUFFER_SIZE];
  struct sockaddr_in client_addr;
  socklen_t client_addr_len = sizeof(client_addr);

  // 接收数据
  recvfrom(socket, buffer, BUFFER_SIZE, MSG_WAITALL, (struct sockaddr*)&client_addr, &client_addr_len);

  // 处理来自客户端的数据
  // ...

  // 向客户端发送响应数据
  sendto(socket, buffer, strlen(buffer), MSG_CONFIRM, (struct sockaddr*)&client_addr, client_addr_len);
}

// 创建一个 TCP 套接字
int socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);

// 设置服务器地址和端口
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr(SERVER_IP);
addr.sin_port = htons(PORT);

// 连接到服务器
connect(socket, (struct sockaddr*)&addr, sizeof(addr));

// 发送数据到服务器
char buffer[] = "Hello, Server";
send(socket, buffer, strlen(buffer), 0);

// 接收来自服务器的数据
char recv_buffer[BUFFER_SIZE];
recv(socket, recv_buffer, BUFFER_SIZE, 0);

// 打印来自服务器的数据
fprintf(stdout, "%s", recv_buffer);

// 关闭套接字
close(socket);