X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FReadWritePolicy.cc;h=9ca08ad84c27a9a7f3dc075288465959cc8492c0;hb=b89e3166f7680755683dccee5e48cb3a820185c0;hp=d5c10c49c7d2975efb95bcc6380594f1cf7f9708;hpb=145f6a7d0f3a6aaa77b3625351c952d24cb0b8a1;p=senf.git

diff --git a/Socket/ReadWritePolicy.cc b/Socket/ReadWritePolicy.cc
index d5c10c4..9ca08ad 100644
--- a/Socket/ReadWritePolicy.cc
+++ b/Socket/ReadWritePolicy.cc
@@ -1,9 +1,9 @@
 // $Id$
 //
 // Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@berlios.de>
 //
 // 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
@@ -53,7 +53,7 @@ prefix_ unsigned senf::ReadablePolicy::read(FileHandle handle, char * buffer,
                 rv = 0;
                 break;
             default:
-                throw SystemException(errno);
+                SENF_THROW_SYSTEM_EXCEPTION("");
             }
     } while (rv<0);
     return rv;
@@ -61,11 +61,11 @@ prefix_ unsigned senf::ReadablePolicy::read(FileHandle handle, char * buffer,
 
 prefix_ unsigned senf::ReadablePolicy::do_readfrom(FileHandle handle, char * buffer,
                                                           unsigned size,
-                                                          struct ::sockaddr * addr, socklen_t len)
+                                                          struct ::sockaddr * addr, socklen_t * len)
 {
     int rv = -1;
     do {
-        rv = ::recvfrom(handle.fd(),buffer, size, 0, addr, &len);
+        rv = ::recvfrom(handle.fd(),buffer, size, 0, addr, len);
         if (rv < 0)
             switch (errno) {
             case EINTR:
@@ -74,7 +74,7 @@ prefix_ unsigned senf::ReadablePolicy::do_readfrom(FileHandle handle, char * buf
                 rv = 0;
                 break;
             default:
-                throw SystemException(errno);
+                SENF_THROW_SYSTEM_EXCEPTION("");
             }
     } while (rv<0);
     return rv;
@@ -91,10 +91,16 @@ prefix_ unsigned senf::WriteablePolicy::do_write(FileHandle handle, char const *
             case EINTR:
                 break;
             case EAGAIN:
+            case ECONNREFUSED:
+                // Writing to a UDP socket seems return this error code if a corresponding ICMP
+                // error code has been received before (at least on linux). This is inconsistent
+                // since I cannot rely on getting ECONNREFUSED. I therefore ignore this error. TCP
+                // sockets will return this error on connect() and not on write(). Therefore we can
+                // unconditionally ignore this error here.
                 rv = 0;
                 break;
             default:
-                throw SystemException(errno);
+                SENF_THROW_SYSTEM_EXCEPTION("");
             }
     } while (rv<0);
     return rv;
@@ -115,7 +121,7 @@ prefix_ unsigned senf::WriteablePolicy::do_writeto(FileHandle handle,
                 rv = 0;
                 break;
             default:
-                throw SystemException(errno);
+                SENF_THROW_SYSTEM_EXCEPTION("");
             }
     } while (rv<0);
     return rv;