/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <netinet/ip.h>
int set_nonblocking(int fd);
+void xset_nonblocking(int fd);
+
int get_max_fds(void);
int lookup_ip(const char *host_name, struct in_addr *address);
int check_connection_completion(int fd);
int drain_rcvbuf(int fd);
void drain_fd(int fd, size_t n_packets);
-int make_unix_socket(int style, bool nonblock, bool passcred,
+int make_unix_socket(int style, bool nonblock,
const char *bind_path, const char *connect_path);
int get_unix_name_len(socklen_t sun_len);
ovs_be32 guess_netmask(ovs_be32 ip);
/* Default value of dscp bits for connection between controller and manager.
* Value of IPTOS_PREC_INTERNETCONTROL = 0xc0 which is defined
- * in <netinet/ip.h> is used. */
-#define DSCP_DEFAULT IPTOS_PREC_INTERNETCONTROL
+ * in <netinet/ip.h> is used. */
+#define DSCP_DEFAULT (IPTOS_PREC_INTERNETCONTROL >> 2)
+
+/* Maximum number of fds that we support sending or receiving at one time
+ * across a Unix domain socket. */
+#define SOUTIL_MAX_FDS 8
+
+/* Iovecs. */
+size_t iovec_len(const struct iovec *iovs, size_t n_iovs);
+bool iovec_is_empty(const struct iovec *iovs, size_t n_iovs);
+
+/* Functions particularly useful for Unix domain sockets. */
+void xsocketpair(int domain, int type, int protocol, int fds[2]);
+int send_iovec_and_fds(int sock,
+ const struct iovec *iovs, size_t n_iovs,
+ const int fds[], size_t n_fds);
+int send_iovec_and_fds_fully(int sock,
+ const struct iovec *iovs, size_t n_iovs,
+ const int fds[], size_t n_fds,
+ size_t skip_bytes, size_t *bytes_sent);
+int send_iovec_and_fds_fully_block(int sock,
+ const struct iovec *iovs, size_t n_iovs,
+ const int fds[], size_t n_fds);
+int recv_data_and_fds(int sock,
+ void *data, size_t size,
+ int fds[SOUTIL_MAX_FDS], size_t *n_fdsp);
#endif /* socket-util.h */