unix 设置保活机制

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This topic created in 3043 days ago, the information mentioned may be changed or developed.

int keepAlive = 1;   // 开启 keepalive 属性. 缺省值: 0(关闭)  
int keepIdle = 60;   // 如果在 60 秒内没有任何数据交互,则进行探测. 缺省值:7200(s)  
int keepInterval = 5;   // 探测时发探测包的时间间隔为 5 秒. 缺省值:75(s)  
int keepCount = 2;   // 探测重试的次数. 全部超时则认定连接失效..缺省值:9(次)  
setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (void*)&keepAlive, sizeof(keepAlive));  
setsockopt(s, SOL_TCP, TCP_KEEPIDLE, (void*)&keepIdle, sizeof(keepIdle));  
setsockopt(s, SOL_TCP, TCP_KEEPINTVL, (void*)&keepInterval, sizeof(keepInterval));  
setsockopt(s, SOL_TCP, TCP_KEEPCNT, (void*)&keepCount, sizeof(keepCount));

这个是 server 端还是 client 端设置，还是都设置？

缺省

sizeof

void

keepalive

4 replies • 2018-01-20 10:14:55 +08:00