X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Finclude%2Fgnunet_network_lib.h;h=9e692bbbf6c21eacfe536a845e98e9f20328306a;hb=4e084e4842cddf5de988534c84e2d65bb122472f;hp=8f0701613df70865c5aaeec6cdff66a3e7ee2f4e;hpb=c2d9d1e64c9801122caaa6b429fc67706db5c9d7;p=oweals%2Fgnunet.git

diff --git a/src/include/gnunet_network_lib.h b/src/include/gnunet_network_lib.h
index 8f0701613..9e692bbbf 100644
--- a/src/include/gnunet_network_lib.h
+++ b/src/include/gnunet_network_lib.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2009-2013 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2009-2013 GNUnet e.V.
 
      GNUnet is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published
@@ -14,14 +14,19 @@
 
      You should have received a copy of the GNU General Public License
      along with GNUnet; see the file COPYING.  If not, write to the
-     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-     Boston, MA 02111-1307, USA.
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
 */
 
 /**
- * @file include/gnunet_network_lib.h
- * @brief basic low-level networking interface
  * @author Nils Durner
+ *
+ * @file
+ * Basic low-level networking interface
+ *
+ * @defgroup network  Network library
+ * Basic low-level networking interface
+ * @{
  */
 #ifndef GNUNET_NETWORK_LIB_H
 #define GNUNET_NETWORK_LIB_H
@@ -106,6 +111,21 @@ char *
 GNUNET_NETWORK_shorten_unixpath (char *unixpath);
 
 
+#ifndef WINDOWS
+/**
+ * If services crash, they can leave a unix domain socket file on the
+ * disk. This needs to be manually removed, because otherwise both
+ * bind() and connect() for the respective address will fail.  In this
+ * function, we test if such a left-over file exists, and if so,
+ * remove it (unless there is a listening service at the address).
+ *
+ * @param un unix domain socket address to check
+ */
+void
+GNUNET_NETWORK_unix_precheck (const struct sockaddr_un *un);
+#endif
+
+
 /**
  * Accept a new connection on a socket.  Configure it for non-blocking
  * IO and mark it as non-inheritable to child processes (set the
@@ -224,7 +244,7 @@ GNUNET_NETWORK_socket_listen (const struct GNUNET_NETWORK_Handle *desc,
  * How much data is available to be read on this descriptor?
  *
  * @param desc socket
- * @returns #GNUNET_NO if no data is available, or on error!
+ * @returns #GNUNET_SYSERR if no data is available, or on error!
  */
 ssize_t
 GNUNET_NETWORK_socket_recvfrom_amount (const struct GNUNET_NETWORK_Handle *desc);
@@ -444,7 +464,7 @@ GNUNET_NETWORK_fdset_copy (struct GNUNET_NETWORK_FDSet *to,
  * @return POSIX file descriptor
  */
 int
-GNUNET_NETWORK_get_fd (struct GNUNET_NETWORK_Handle *desc);
+GNUNET_NETWORK_get_fd (const struct GNUNET_NETWORK_Handle *desc);
 
 
 /**
@@ -454,7 +474,7 @@ GNUNET_NETWORK_get_fd (struct GNUNET_NETWORK_Handle *desc);
  * @return POSIX file descriptor
  */
 struct sockaddr*
-GNUNET_NETWORK_get_addr (struct GNUNET_NETWORK_Handle *desc);
+GNUNET_NETWORK_get_addr (const struct GNUNET_NETWORK_Handle *desc);
 
 
 /**
@@ -464,7 +484,7 @@ GNUNET_NETWORK_get_addr (struct GNUNET_NETWORK_Handle *desc);
  * @return socklen_t for sockaddr
  */
 socklen_t
-GNUNET_NETWORK_get_addrlen (struct GNUNET_NETWORK_Handle *desc);
+GNUNET_NETWORK_get_addrlen (const struct GNUNET_NETWORK_Handle *desc);
 
 
 /**
@@ -568,6 +588,18 @@ void
 GNUNET_NETWORK_fdset_destroy (struct GNUNET_NETWORK_FDSet *fds);
 
 
+/**
+ * Test if the given @a port is available.
+ *
+ * @param ipproto transport protocol to test (i.e. IPPROTO_TCP)
+ * @param port port number to test
+ * @return #GNUNET_OK if the port is available, #GNUNET_NO if not
+ */
+int
+GNUNET_NETWORK_test_port_free (int ipproto,
+			       uint16_t port);
+
+
 #if 0                           /* keep Emacsens' auto-indent happy */
 {
 #endif
@@ -576,3 +608,5 @@ GNUNET_NETWORK_fdset_destroy (struct GNUNET_NETWORK_FDSet *fds);
 #endif
 
 #endif /* GNUNET_NETWORK_LIB_H */
+
+/** @} */  /* end of group */