linux socket 通信, 服务器端bind socket出现address already in use问题
2017-11-15 13:15
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这个问题通过在网上查询, 发现主要是由于在kill服务端程序后, socket端口需要一个timeout时间释放才能重新被使用,在代码中增添如下语句:
int reuse=1
setsockopt( sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse) );
自己编写的局部代码如下:
socket_fd = socket(AF_INET, SOCK_STREAM, 0));
//这里添加代码
setsockopt( sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse) );
//完成添加
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);//IP地址设置成INADDR_ANY,让系统自动获取本机的IP地址。
servaddr.sin_port = htons(DEFAULT_PORT);//设置的端口为DEFAULT_PORT
int reuse=1
setsockopt( sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse) );
自己编写的局部代码如下:
socket_fd = socket(AF_INET, SOCK_STREAM, 0));
//这里添加代码
setsockopt( sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse) );
//完成添加
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);//IP地址设置成INADDR_ANY,让系统自动获取本机的IP地址。
servaddr.sin_port = htons(DEFAULT_PORT);//设置的端口为DEFAULT_PORT
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