Botan::DataSink_Stream Class Reference

#include <data_snk.h>

Inheritance diagram for Botan::DataSink_Stream:

Public Member Functions
bool	attachable () override
	DataSink_Stream (std::ostream &stream, const std::string &name="<std::ostream>")
virtual void	end_msg ()
std::string	name () const override
virtual void	start_msg ()
void	write (const uint8_t[], size_t) override
	~DataSink_Stream ()

Protected Member Functions
virtual void	send (const uint8_t in[], size_t length)
void	send (uint8_t in)
void	send (const secure_vector< uint8_t > &in)
void	send (const std::vector< uint8_t > &in)
void	send (const secure_vector< uint8_t > &in, size_t length)
void	send (const std::vector< uint8_t > &in, size_t length)

Detailed Description

This class represents a data sink which writes its output to a stream.

Definition at line 34 of file data_snk.h.

Constructor & Destructor Documentation

Botan::DataSink_Stream::DataSink_Stream	(	std::ostream &	stream,
		const std::string &	name = "<std::ostream>"
	)

Construct a DataSink_Stream from a stream.

Parameters

stream	the stream to write to
name	identifier

Definition at line 32 of file data_snk.cpp.

                                                        :
   m_identifier(name),
   m_sink(out)
   {
   }

Botan::DataSink_Stream::~DataSink_Stream

(

)

Definition at line 60 of file data_snk.cpp.

   {
   // for ~unique_ptr
   }

Member Function Documentation

bool Botan::DataSink::attachable ( )

inlineoverridevirtualinherited

Check whether this filter is an attachable filter.

Returns

true if this filter is attachable, false otherwise

Reimplemented from Botan::Filter.

Definition at line 23 of file data_snk.h.

{ return false; }

virtual void Botan::Filter::end_msg ( )

inlinevirtualinherited

Notify that the current message is finished; flush buffers and do end-of-message processing (if any).

Reimplemented in Botan::MAC_Filter, Botan::Hash_Filter, Botan::Base64_Decoder, Botan::Hex_Decoder, Botan::Base64_Encoder, and Botan::Hex_Encoder.

Definition at line 46 of file filter.h.

{}

std::string Botan::DataSink_Stream::name ( ) const

inlineoverridevirtual

Returns

descriptive name for this filter

Implements Botan::Filter.

Definition at line 57 of file data_snk.h.

{ return m_identifier; }

void Botan::Filter::send ( const uint8_t  in[], size_t  length  )

protectedvirtualinherited

Parameters

in	some input for the filter
length	the length of in

Definition at line 27 of file filter.cpp.

References Botan::Filter::write().

Referenced by Botan::Hex_Encoder::end_msg(), Botan::Base64_Encoder::end_msg(), Botan::Hex_Decoder::end_msg(), Botan::Base64_Decoder::end_msg(), Botan::Hash_Filter::end_msg(), Botan::MAC_Filter::end_msg(), Botan::StreamCipher_Filter::write(), Botan::Hex_Decoder::write(), and Botan::Base64_Decoder::write().

   {
   if(!length)
      return;

   bool nothing_attached = true;
   for(size_t j = 0; j != total_ports(); ++j)
      if(m_next[j])
         {
         if(m_write_queue.size())
            m_next[j]->write(m_write_queue.data(), m_write_queue.size());
         m_next[j]->write(input, length);
         nothing_attached = false;
         }

   if(nothing_attached)
      m_write_queue += std::make_pair(input, length);
   else
      m_write_queue.clear();
   }

void Botan::Filter::send ( uint8_t  in )

inlineprotectedinherited

Parameters

in	some input for the filter

Definition at line 65 of file filter.h.

References Botan::Filter::send().

Referenced by Botan::Filter::send().

{ send(&in, 1); }

void Botan::Filter::send ( const secure_vector< uint8_t > &  in )

inlineprotectedinherited

Parameters

in	some input for the filter

Definition at line 70 of file filter.h.

References Botan::Filter::send().

Referenced by Botan::Filter::send().

{ send(in.data(), in.size()); }

void Botan::Filter::send ( const std::vector< uint8_t > &  in )

inlineprotectedinherited

Parameters

in	some input for the filter

Definition at line 75 of file filter.h.

References Botan::Filter::send().

Referenced by Botan::Filter::send().

{ send(in.data(), in.size()); }

void Botan::Filter::send ( const secure_vector< uint8_t > &  in, size_t  length  )

inlineprotectedinherited

Parameters

in	some input for the filter
length	the number of bytes of in to send

Definition at line 81 of file filter.h.

         {
         send(in.data(), length);
         }

void Botan::Filter::send ( const std::vector< uint8_t > &  in, size_t  length  )

inlineprotectedinherited

Parameters

in	some input for the filter
length	the number of bytes of in to send

Definition at line 90 of file filter.h.

         {
         send(in.data(), length);
         }

virtual void Botan::Filter::start_msg ( )

inlinevirtualinherited

Start a new message. Must be closed by end_msg() before another message can be started.

Definition at line 40 of file filter.h.

{}

void Botan::DataSink_Stream::write ( const uint8_t  input[], size_t  length  )

overridevirtual

Write a portion of a message to this filter.

Parameters

input	the input as a byte array
length	the length of the byte array input

Implements Botan::Filter.

Definition at line 21 of file data_snk.cpp.

   {
   m_sink.write(reinterpret_cast<const char*>(out), length);
   if(!m_sink.good())
      throw Stream_IO_Error("DataSink_Stream: Failure writing to " +
                            m_identifier);
   }

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The documentation for this class was generated from the following files:

• src/lib/filters/data_snk.h
• src/lib/filters/data_snk.cpp