From 7856bf3569cc448fe3b360c3fca836593a0c0c7d Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Mon, 06 Nov 2023 17:01:27 +0800
Subject: [PATCH] format c source code
---
ch2_socket/socktcp_server.c | 166 +++++++++++++++++++++++++++---------------------------
1 files changed, 83 insertions(+), 83 deletions(-)
diff --git a/ch2_socket/socktcp_server.c b/ch2_socket/socktcp_server.c
index 17ab23c..34c3ec9 100644
--- a/ch2_socket/socktcp_server.c
+++ b/ch2_socket/socktcp_server.c
@@ -1,14 +1,14 @@
/*********************************************************************************
- * Copyright: (C) 2018 LingYun IoT Studio
- * All rights reserved.
+ * Copyright: (C) 2018 LingYun IoT Studio
+ * All rights reserved.
*
- * Filename: socket_server.c
- * Description: This file is TCP socket server example source code.
- *
- * Version: 1.0.0(10/23/2018)
- * Author: Guo Wenxue <guowenxue@gmail.com>
- * ChangeLog: 1, Release initial version on "2017-10-23 01:41:05 PM"
- *
+ * Filename: socket_server.c
+ * Description: This file is TCP socket server example source code.
+ *
+ * Version: 1.0.0(10/23/2018)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "2017-10-23 01:41:05 PM"
+ *
********************************************************************************/
#include <stdio.h>
@@ -20,92 +20,92 @@
#include <netinet/in.h>
#include <arpa/inet.h>
-#define LISTEN_PORT 8889
-#define BACKLOG 13
+#define LISTEN_PORT 8889
+#define BACKLOG 13
int main(int argc, char **argv)
{
- int rv = -1;
- int listen_fd, client_fd = -1;
- struct sockaddr_in serv_addr;
- struct sockaddr_in cli_addr;
- socklen_t addr_len = sizeof(cli_addr);
- char buf[1024];
- int reuse = 1;
+ int rv = -1;
+ int listen_fd, client_fd = -1;
+ struct sockaddr_in serv_addr;
+ struct sockaddr_in cli_addr;
+ socklen_t addr_len = sizeof(cli_addr);
+ char buf[1024];
+ int reuse = 1;
- /* create TCP socket */
- listen_fd = socket(AF_INET, SOCK_STREAM, 0);
- if(listen_fd < 0 )
- {
- printf("create socket failure: %s\n", strerror(errno));
- return -1;
- }
- printf("socket create fd[%d]\n", listen_fd);
+ /* create TCP socket */
+ listen_fd = socket(AF_INET, SOCK_STREAM, 0);
+ if(listen_fd < 0 )
+ {
+ printf("create socket failure: %s\n", strerror(errno));
+ return -1;
+ }
+ printf("socket create fd[%d]\n", listen_fd);
- /* Fix port can not be used when stop server program and run it again immediately. */
- setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
+ /* Fix port can not be used when stop server program and run it again immediately. */
+ setsockopt(listen_fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
- /* bind socket server information */
- memset(&serv_addr, 0, sizeof(serv_addr));
- serv_addr.sin_family = AF_INET;
- serv_addr.sin_port = htons(LISTEN_PORT);
- serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
- if( bind(listen_fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0 )
- {
- printf("create socket failure: %s\n", strerror(errno));
- return -2;
- }
- printf("socket[%d] bind on port[%d] for all IP address ok\n", listen_fd, LISTEN_PORT);
+ /* bind socket server information */
+ memset(&serv_addr, 0, sizeof(serv_addr));
+ serv_addr.sin_family = AF_INET;
+ serv_addr.sin_port = htons(LISTEN_PORT);
+ serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+ if( bind(listen_fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0 )
+ {
+ printf("create socket failure: %s\n", strerror(errno));
+ return -2;
+ }
+ printf("socket[%d] bind on port[%d] for all IP address ok\n", listen_fd, LISTEN_PORT);
- /* start listen socket */
- listen(listen_fd, BACKLOG);
+ /* start listen socket */
+ listen(listen_fd, BACKLOG);
- while(1)
- {
- /* accept new incoming socket client */
- printf("\nStart waiting and accept new client connect...\n");
- client_fd = accept(listen_fd, (struct sockaddr*)&cli_addr, &addr_len);
- if(client_fd < 0)
- {
- printf("accept new socket failure: %s\n", strerror(errno));
- return -2;
- }
- printf("Accept new client[%s:%d] with fd [%d]\n", inet_ntoa(cli_addr.sin_addr), ntohs(cli_addr.sin_port), client_fd);
+ while(1)
+ {
+ /* accept new incoming socket client */
+ printf("\nStart waiting and accept new client connect...\n");
+ client_fd = accept(listen_fd, (struct sockaddr*)&cli_addr, &addr_len);
+ if(client_fd < 0)
+ {
+ printf("accept new socket failure: %s\n", strerror(errno));
+ return -2;
+ }
+ printf("Accept new client[%s:%d] with fd [%d]\n", inet_ntoa(cli_addr.sin_addr), ntohs(cli_addr.sin_port), client_fd);
- while(1)
- {
- /* receive message from socket client */
- memset(buf, 0, sizeof(buf));
- if( (rv=read(client_fd, buf, sizeof(buf))) < 0)
- {
- printf("Read data from client socket[%d] failure: %s\n", client_fd, strerror(errno));
- close(client_fd);
- break;
- }
- else if( rv == 0 )
- {
- printf("client socket[%d] disconnected\n", client_fd);
- close(client_fd);
- break;
- }
+ while(1)
+ {
+ /* receive message from socket client */
+ memset(buf, 0, sizeof(buf));
+ if( (rv=read(client_fd, buf, sizeof(buf))) < 0)
+ {
+ printf("Read data from client socket[%d] failure: %s\n", client_fd, strerror(errno));
+ close(client_fd);
+ break;
+ }
+ else if( rv == 0 )
+ {
+ printf("client socket[%d] disconnected\n", client_fd);
+ close(client_fd);
+ break;
+ }
- printf("Read [%d] bytes data from socket client[%d]: %s\n", rv, client_fd, buf);
+ printf("Read [%d] bytes data from socket client[%d]: %s\n", rv, client_fd, buf);
- /* send message to socket client */
- printf("Reply back to socket client...\n");
- snprintf(buf, sizeof(buf), "Hello, socket client [%s:%d]\n", inet_ntoa(cli_addr.sin_addr), ntohs(cli_addr.sin_port));
- if( write(client_fd, buf, strlen(buf)) < 0 )
- {
- printf("Reply back to socket client[%d] failure: %s\n", client_fd, strerror(errno));
- close(client_fd);
- }
- printf("\n");
- }
+ /* send message to socket client */
+ printf("Reply back to socket client...\n");
+ snprintf(buf, sizeof(buf), "Hello, socket client [%s:%d]\n", inet_ntoa(cli_addr.sin_addr), ntohs(cli_addr.sin_port));
+ if( write(client_fd, buf, strlen(buf)) < 0 )
+ {
+ printf("Reply back to socket client[%d] failure: %s\n", client_fd, strerror(errno));
+ close(client_fd);
+ }
+ printf("\n");
+ }
- close(client_fd);
- }
+ close(client_fd);
+ }
- close(listen_fd);
- return 0;
+ close(listen_fd);
+ return 0;
}
--
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