Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.

lib/socket-util.h

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+/*
+ * Copyright (c) 2008, 2009 Nicira Networks.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef SOCKET_UTIL_H
+#define SOCKET_UTIL_H 1
+
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <stdbool.h>
+
+int set_nonblocking(int fd);
+int get_max_fds(void);
+int lookup_ip(const char *host_name, struct in_addr *address);
+int get_socket_error(int sock);
+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,
+                     const char *bind_path, const char *connect_path);
+int get_unix_name_len(socklen_t sun_len);
+uint32_t guess_netmask(uint32_t ip);
+
+int read_fully(int fd, void *, size_t, size_t *bytes_read);
+int write_fully(int fd, const void *, size_t, size_t *bytes_written);
+
+#endif /* socket-util.h */