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bioStream.cxx
00001 // Filename: bioStream.cxx
00002 // Created by:  drose (25Sep02)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #include "bioStream.h"
00016 
00017 
00018 #ifdef HAVE_OPENSSL
00019 
00020 ////////////////////////////////////////////////////////////////////
00021 //     Function: IBioStream::is_closed
00022 //       Access: Public, Virtual
00023 //  Description: Returns true if the last eof condition was triggered
00024 //               because the socket has genuinely closed, or false if
00025 //               we can expect more data to come along shortly.
00026 ////////////////////////////////////////////////////////////////////
00027 bool IBioStream::
00028 is_closed() {
00029   if (!_buf._read_open) {
00030     return true;
00031   }
00032   clear();
00033   return false;
00034 }
00035 
00036 ////////////////////////////////////////////////////////////////////
00037 //     Function: IBioStream::close
00038 //       Access: Public, Virtual
00039 //  Description: Resets the BioStream to empty, but does not actually
00040 //               close the source BIO unless owns_source was true.
00041 ////////////////////////////////////////////////////////////////////
00042 void IBioStream::
00043 close() {
00044   _buf.close();
00045 }
00046 
00047 ////////////////////////////////////////////////////////////////////
00048 //     Function: OBioStream::is_closed
00049 //       Access: Public, Virtual
00050 //  Description: Returns true if the last write fail condition was
00051 //               triggered because the socket has genuinely closed, or
00052 //               false if we can expect to send more data along
00053 //               shortly.
00054 ////////////////////////////////////////////////////////////////////
00055 bool OBioStream::
00056 is_closed() {
00057   if (!_buf._write_open) {
00058     return true;
00059   }
00060   clear();
00061   return false;
00062 }
00063 
00064 ////////////////////////////////////////////////////////////////////
00065 //     Function: OBioStream::close
00066 //       Access: Public, Virtual
00067 //  Description: Resets the BioStream to empty, but does not actually
00068 //               close the source BIO unless owns_source was true.
00069 ////////////////////////////////////////////////////////////////////
00070 void OBioStream::
00071 close() {
00072   _buf.close();
00073 }
00074 
00075 ////////////////////////////////////////////////////////////////////
00076 //     Function: BioStream::is_closed
00077 //       Access: Public, Virtual
00078 //  Description: Returns true if the last eof or failure condition was
00079 //               triggered because the socket has genuinely closed, or
00080 //               false if we can expect to read or send more data
00081 //               shortly.
00082 ////////////////////////////////////////////////////////////////////
00083 bool BioStream::
00084 is_closed() {
00085   if (!_buf._read_open) {
00086     return true;
00087   }
00088   clear();
00089   return false;
00090 }
00091 
00092 ////////////////////////////////////////////////////////////////////
00093 //     Function: BioStream::close
00094 //       Access: Public, Virtual
00095 //  Description: Resets the BioStream to empty, but does not actually
00096 //               close the source BIO unless owns_source was true.
00097 ////////////////////////////////////////////////////////////////////
00098 void BioStream::
00099 close() {
00100   _buf.close();
00101 }
00102 
00103 ////////////////////////////////////////////////////////////////////
00104 //     Function: IBioStream::get_read_state
00105 //       Access: Public, Virtual
00106 //  Description: Returns an enum indicating how we are coming along in
00107 //               reading the document.
00108 ////////////////////////////////////////////////////////////////////
00109 IBioStream::ReadState IBioStream::
00110 get_read_state() {
00111   // For an IBioStream, this method is meaningless, and always returns
00112   // RS_error.
00113 
00114   // This method is intended for those specialized streams that scan
00115   // through an HTTP document.
00116   return RS_error;
00117 }
00118 
00119 #endif  // HAVE_OPENSSL
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