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andy
2025-07-05 19:47:28 +08:00
parent 8c12c1ffc3
commit 079aa9f868
550 changed files with 13358 additions and 17326 deletions
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18
Project/Src/rt-thread/examples/network/udpserver.c
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@@ -7,7 +7,7 @@
#include <sys/time.h>
#include <sys/select.h>
#endif
#include <sys/socket.h> /* 使用BSD socket，需要包含socket.h头文件 */
#include <sys/socket.h> /* ʹ<EFBFBD><EFBFBD>BSD socket<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>socket.hͷ<EFBFBD>ļ<EFBFBD> */
#include "netdb.h"
#define DEBUG_UDP_SERVER
@@ -39,7 +39,7 @@ static void udpserv(void *paramemter)
struct timeval timeout;
fd_set readset;
/* 分配接收用的数据缓冲 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><EFBFBD><EFBFBD> */
recv_data = rt_malloc(BUFSZ);
if (recv_data == RT_NULL)
{
@@ -47,20 +47,20 @@ static void udpserv(void *paramemter)
return;
}
/* 创建一个socket，类型是SOCK_DGRAM，UDP类型 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD>socket<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SOCK_DGRAM<EFBFBD><EFBFBD>UDP<EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
{
LOG_E("Create socket error");
goto __exit;
}
/* 初始化服务端地址 */
/* <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>ַ */
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(port);
server_addr.sin_addr.s_addr = INADDR_ANY;
rt_memset(&(server_addr.sin_zero), 0, sizeof(server_addr.sin_zero));
/* 绑定socket到服务端地址 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>socket<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD>ַ */
if (bind(sock, (struct sockaddr *)&server_addr,
sizeof(struct sockaddr)) == -1)
{
@@ -86,7 +86,7 @@ static void udpserv(void *paramemter)
if (select(sock + 1, &readset, RT_NULL, RT_NULL, &timeout) == 0)
continue;
/* 从sock中收取最大BUFSZ - 1字节数据 */
/* <EFBFBD><EFBFBD>sock<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>BUFSZ - 1<EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
bytes_read = recvfrom(sock, recv_data, BUFSZ - 1, 0,
(struct sockaddr *)&client_addr, &addr_len);
if (bytes_read < 0)
@@ -101,12 +101,12 @@ static void udpserv(void *paramemter)
}
else
{
recv_data[bytes_read] = '\0'; /* 把末端清零 */
recv_data[bytes_read] = '\0'; /* <EFBFBD><EFBFBD>ĩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
/* 输出接收的数据 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
LOG_D("Received data = %s", recv_data);
/* 如果接收数据是exit，退出 */
/* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>exit<EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD> */
if (strcmp(recv_data, "exit") == 0)
{
goto __exit;