2008-09-14 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Added the function to get error message from socket.
	* src/SocketCore.cc
	* src/SocketCore.h

1 files changed, 15 insertions, 0 deletions

diff --git a/src/SocketCore.cc b/src/SocketCore.cc
index 5c7802fe..65f66f85 100644
--- a/src/SocketCore.cc
+++ b/src/SocketCore.cc
@@ -768,4 +768,19 @@ ssize_t SocketCore::readDataFrom(char* data, size_t len,
   return r;
 }
 
+std::string SocketCore::getSocketError() const
+{
+  int error;
+  SOCKOPT_T optlen = sizeof(error);
+  if(getsockopt(sockfd, SOL_SOCKET, SO_ERROR, &error, &optlen) == -1) {
+    throw DlAbortEx(StringFormat("Failed to get socket error: %s",
+				 errorMsg()).str());
+  }
+  if(error != 0) {
+    return strerror(error);
+  } else {
+    return "";
+  }
+}
+
 } // namespace aria2