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naming cleanup: zmq_encoder->encoder, zmq_decoder->decoder

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This commit is contained in:
Martin Sustrik
2010-08-31 07:01:40 +02:00
parent e45583c0f2
commit f5acbb5095
11 changed files with 106 additions and 172 deletions
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47
src/decoder.hpp
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@@ -27,25 +27,27 @@
#include "err.hpp"
#include "../include/zmq.h"
namespace zmq
{
// Helper base class for decoders that know the amount of data to read
// in advance at any moment. Knowing the amount in advance is a property
// of the protocol used. Both AMQP and backend protocol are based on
// size-prefixed paradigm, therefore they are using decoder_t to parse
// the messages. On the other hand, XML-based transports (like XMPP or
// SOAP) don't allow for knowing the size of data to read in advance and
// should use different decoding algorithms.
// of the protocol used. 0MQ framing protocol is based size-prefixed
// paradigm, whixh qualifies it to be parsed by this class.
// On the other hand, XML-based transports (like XMPP or SOAP) don't allow
// for knowing the size of data to read in advance and should use different
// decoding algorithms.
//
// Decoder implements the state machine that parses the incoming buffer.
// This class implements the state machine that parses the incoming buffer.
// Derived class should implement individual state machine actions.
template <typename T> class decoder_t
template <typename T> class decoder_base_t
{
public:
inline decoder_t (size_t bufsize_) :
inline decoder_base_t (size_t bufsize_) :
read_pos (NULL),
to_read (0),
next (NULL),
@@ -57,7 +59,7 @@ namespace zmq
// The destructor doesn't have to be virtual. It is mad virtual
// just to keep ICC and code checking tools from complaining.
inline virtual ~decoder_t ()
inline virtual ~decoder_base_t ()
{
free (buf);
}
@@ -149,6 +151,32 @@ namespace zmq
size_t bufsize;
unsigned char *buf;
decoder_base_t (const decoder_base_t&);
void operator = (const decoder_base_t&);
};
// Decoder for 0MQ framing protocol. Converts data batches into messages.
class decoder_t : public decoder_base_t <decoder_t>
{
public:
decoder_t (size_t bufsize_);
~decoder_t ();
void set_inout (struct i_inout *destination_);
private:
bool one_byte_size_ready ();
bool eight_byte_size_ready ();
bool flags_ready ();
bool message_ready ();
struct i_inout *destination;
unsigned char tmpbuf [8];
::zmq_msg_t in_progress;
decoder_t (const decoder_t&);
void operator = (const decoder_t&);
};
@@ -156,3 +184,4 @@ namespace zmq
}
#endif