Botan::Fanout_Filter Class Reference

#include <filter.h>

Inheritance diagram for Botan::Fanout_Filter:

Public Member Functions
virtual bool	attachable ()
virtual void	end_msg ()
virtual std::string	name () const =0
virtual void	start_msg ()
virtual void	write (const byte input[], size_t length)=0

Protected Member Functions
void	attach (Filter *f)
void	incr_owns ()
virtual void	send (const byte in[], size_t length)
void	send (byte in)
void	send (const secure_vector< byte > &in)
void	send (const std::vector< byte > &in)
void	send (const secure_vector< byte > &in, size_t length)
void	send (const std::vector< byte > &in, size_t length)
void	set_next (Filter *f[], size_t n)
void	set_port (size_t n)

Friends
class	Threaded_Fork

Detailed Description

This is the abstract Fanout_Filter base class.

Definition at line 152 of file filter.h.

Member Function Documentation

void Botan::Fanout_Filter::attach ( Filter *  f )

inlineprotected

Definition at line 164 of file filter.h.

{ Filter::attach(f); }

virtual bool Botan::Filter::attachable ( )

inlinevirtualinherited

Check whether this filter is an attachable filter.

Returns

true if this filter is attachable, false otherwise

Reimplemented in Botan::SecureQueue, and Botan::DataSink.

Definition at line 52 of file filter.h.

{ return true; }

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::Decompression_Filter, Botan::Base64_Encoder, Botan::Hex_Encoder, and Botan::Compression_Filter.

Definition at line 46 of file filter.h.

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

{}

void Botan::Fanout_Filter::incr_owns ( )

inlineprotected

Increment the number of filters past us that we own

Definition at line 158 of file filter.h.

{ ++m_filter_owns; }

virtual std::string Botan::Filter::name ( ) const

pure virtualinherited

Returns

descriptive name for this filter

Implemented in Botan::MAC_Filter, Botan::Hash_Filter, Botan::Threaded_Fork, Botan::Fork, Botan::Hex_Decoder, Botan::Base64_Decoder, Botan::Decompression_Filter, Botan::Chain, Botan::StreamCipher_Filter, Botan::DataSink_Stream, Botan::Cipher_Mode_Filter, Botan::Compression_Filter, Botan::Hex_Encoder, Botan::BitBucket, Botan::SecureQueue, and Botan::Base64_Encoder.

Referenced by Botan::Keyed_Filter::set_iv().

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

protectedvirtualinherited

Parameters

in	some input for the filter
length	the length of in

Reimplemented in Botan::Threaded_Fork.

Definition at line 27 of file filter.cpp.

References Botan::Filter::end_msg(), Botan::Filter::start_msg(), and Botan::Filter::write().

Referenced by Botan::Base64_Encoder::Base64_Encoder(), Botan::Compression_Filter::end_msg(), Botan::Hex_Encoder::end_msg(), Botan::Base64_Encoder::end_msg(), Botan::Decompression_Filter::end_msg(), Botan::Hex_Decoder::end_msg(), Botan::Base64_Decoder::end_msg(), Botan::Hash_Filter::end_msg(), Botan::MAC_Filter::end_msg(), Botan::Compression_Filter::flush(), Botan::Hex_Encoder::Hex_Encoder(), Botan::Cipher_Mode_Filter::valid_iv_length(), Botan::Compression_Filter::write(), Botan::StreamCipher_Filter::write(), Botan::Decompression_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 ( byte  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< byte > &  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< byte > &  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< byte > &  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< byte > &  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);
         }

void Botan::Fanout_Filter::set_next ( Filter *  f[], size_t  n  )

inlineprotected

Definition at line 162 of file filter.h.

Referenced by Botan::SecureQueue::SecureQueue(), and Botan::Threaded_Fork::set_next().

{ Filter::set_next(f, n); }

void Botan::Fanout_Filter::set_port ( size_t  n )

inlineprotected

Definition at line 160 of file filter.h.

Referenced by Botan::Fork::set_port().

{ Filter::set_port(n); }

virtual void Botan::Filter::start_msg ( )

inlinevirtualinherited

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

Reimplemented in Botan::Decompression_Filter, and Botan::Compression_Filter.

Definition at line 40 of file filter.h.

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

{}

virtual void Botan::Filter::write ( const byte  input[], size_t  length  )

pure virtualinherited

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

Implemented in Botan::MAC_Filter, Botan::Hash_Filter, Botan::Base64_Decoder, Botan::Hex_Decoder, Botan::Fork, Botan::Decompression_Filter, Botan::StreamCipher_Filter, Botan::DataSink_Stream, Botan::Chain, Botan::Hex_Encoder, Botan::Base64_Encoder, Botan::Compression_Filter, Botan::SecureQueue, and Botan::BitBucket.

Referenced by Botan::Filter::send(), Botan::Threaded_Fork::send(), and Botan::Pipe::write().

Friends And Related Function Documentation

friend class Threaded_Fork

friend

Definition at line 167 of file filter.h.

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

• src/lib/filters/filter.h