X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/d6ea854ab50aedf15bda9ad18f46ca80b50582a8..5f624baebe43889bb2810720cb9cc6d0812f49cb:/lib/addr.h

diff --git a/lib/addr.h b/lib/addr.h
index 8bd703f..edb727c 100644
--- a/lib/addr.h
+++ b/lib/addr.h
@@ -1,21 +1,19 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2004, 2007 Richard Kettlewell
+ * Copyright (C) 2004, 2007, 2008, 2013 Richard Kettlewell
  *
- * This program is free software; you can redistribute it and/or modify
+ * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
  * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 /** @file lib/addr.h
  * @brief Socket address support */
@@ -23,15 +21,61 @@
 #ifndef ADDR_H
 #define ADDR_H
 
+#if HAVE_NETDB_H
+# include <netdb.h>
+#endif
+
+struct stringlist;
+
+/** @brief A network address */
+struct netaddress {
+  /** @brief Address family
+   *
+   * Typically @c AF_UNIX, @c AF_INET, @c AF_INET6 or @c AF_UNSPEC.
+   * Set to -1 to mean 'no address'.
+   */
+  int af;
+
+  /** @brief Address or NULL for 'any' */
+  char *address;
+
+  /** @brief Port number */
+  int port;
+};
+
+/** @brief A socket address and length */
+struct resolved {
+
+  /** @brief Pointer to the address */
+  struct sockaddr *sa;
+
+  /** @brief Length of the address */
+  socklen_t len;
+};
+
 struct addrinfo *get_address(const struct stringlist *a,
 			     const struct addrinfo *pref,
-			     char **namep);
+			     char **namep)
+  attribute((nonnull (1)));
 
 int addrinfocmp(const struct addrinfo *a,
-		const struct addrinfo *b);
+		const struct addrinfo *b) attribute((nonnull (1, 2)));
+int sockaddrcmp(const struct sockaddr *a,
+		const struct sockaddr *b) attribute((nonnull (1, 2)));
+
+int multicast(const struct sockaddr *sa) attribute((nonnull (1)));
+char *format_sockaddr(const struct sockaddr *sa) attribute((nonnull (1)));
 
-int multicast(const struct sockaddr *sa);
-char *format_sockaddr(const struct sockaddr *sa);
+int netaddress_parse(struct netaddress *na,
+		     int nvec,
+		     char **vec) attribute((nonnull (1)));
+void netaddress_format(const struct netaddress *na,
+		       int *nvecp,
+		       char ***vecp) attribute((nonnull (1)));
+int netaddress_resolve(const struct netaddress *na, int passive, int type,
+		       struct resolved **raddr_out, size_t *nraddr_out)
+  attribute((nonnull (1, 4, 5)));
+void netaddress_free_resolved(struct resolved *raddr, size_t nraddr);
 
 #endif /* ADDR_H */