Add fd_utils

2013-05-30 22:38:56 +02:00
parent cfc7cae5c0
commit 5a427007d6
2 changed files with 131 additions and 0 deletions
@@ -0,0 +1,63 @@
+#ifndef FD_UTILS_H_
+#define FD_UTILS_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
+// inspect errno if any of these fails
+
+/**
+* set the file descriptor to non-blocking
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_nonblocking(int fd);
+
+/**
+* set the file descriptor to blocking
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_blocking(int fd);
+
+/**
+* set the socket file descriptor to SO_REUSEADDR
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_reuseaddr(int sockfd);
+
+/**
+* enable TCP keepalive on the socket
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_tcp_keepalive(int sockfd);
+
+/**
+* Set the socket send timeout, in miliseconds
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_send_timeout(int sockfd,long timeoutms);
+
+/**
+* Set the socket receive timeout, in miliseconds
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_receive_timeout(int sockfd,long timeoutms);
+
+/*
+* Set the IP DSCP (differnetiated services code point) header value
+* The dscp must be < 64
+* @param fd file descriptor
+* @return 0 on success -1 on failure
+*/
+int set_ip_dscp(int fd, unsigned int dscp);
+
+
+#ifdef __cplusplus
+};
+#endif
+#endif /* FD_UTILS_H_ */
+