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// $Id$
#ifndef ACE_HTTP_STREAM_POLICY_CPP
#define ACE_HTTP_STREAM_POLICY_CPP
#include "ace/INet/HTTP_StreamPolicy.h"
#include <cctype>
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE
{
namespace HTTP
{
template <class STREAM_BUFFER>
FixedLengthStreamPolicyBase<STREAM_BUFFER>::FixedLengthStreamPolicyBase (std::streamsize length)
: StreamPolicyBase<STREAM_BUFFER> (),
length_ (length),
count_ (0)
{
}
template <class STREAM_BUFFER>
FixedLengthStreamPolicyBase<STREAM_BUFFER>::~FixedLengthStreamPolicyBase ()
{
}
template <class STREAM_BUFFER>
int FixedLengthStreamPolicyBase<STREAM_BUFFER>::read_from_stream (
char_type * buf,
std::streamsize length)
{
int n = 0;
if (this->count_ < this->length_)
{
if (this->count_ + length > this->length_)
length = this->length_ - this->count_;
n = this->read_from_stream_i (buf, length);
if (n > 0) this->count_ += n;
}
return n;
}
template <class STREAM_BUFFER>
int FixedLengthStreamPolicyBase<STREAM_BUFFER>::write_to_stream (
const char_type * buf,
std::streamsize length)
{
int n = 0;
if (this->count_ < this->length_)
{
if ((this->count_ + length) > this->length_)
length = this->length_ - this->count_;
n = this->write_to_stream_i (buf, length);
if (n > 0) this->count_ += n;
}
return n;
}
template <class STREAM_BUFFER>
ChunkedTransferStreamPolicyBase<STREAM_BUFFER>::ChunkedTransferStreamPolicyBase ()
: StreamPolicyBase<STREAM_BUFFER> (),
chunk_cnt_ (0)
{
}
template <class STREAM_BUFFER>
ChunkedTransferStreamPolicyBase<STREAM_BUFFER>::~ChunkedTransferStreamPolicyBase ()
{
}
template <class STREAM_BUFFER>
int ChunkedTransferStreamPolicyBase<STREAM_BUFFER>::getc ()
{
static const int eof_ =
std::char_traits<char_type>::eof ();
char_type chbuf[1];
if (this->read_from_stream_i (chbuf, 1) <= 0)
return eof_;
else
return chbuf[0];
}
template <class STREAM_BUFFER>
int ChunkedTransferStreamPolicyBase<STREAM_BUFFER>::read_from_stream (
char_type * buf,
std::streamsize length)
{
static const int eof_ =
std::char_traits<char_type>::eof ();
char_type lf = this->chunk_.widen ('\n');
if (this->chunk_cnt_ == 0)
{
int ch = this->getc ();
while (std::isspace (ch))
ch = this->getc ();
typename buffer_type::string_type chunk_len_str;
while (std::isxdigit (ch))
{
chunk_len_str += (char_type) ch;
ch = this->getc ();
}
while (ch != eof_ && ch != lf)
{
ch = this->getc ();
}
ACE::IOS::String_IStreamBase<char_type> chunk_len_is (chunk_len_str);
unsigned chunk_len;
if (!(chunk_len_is >> chunk_len))
return eof_;
this->chunk_cnt_ = (std::streamsize) chunk_len;
}
if (this->chunk_cnt_ > 0)
{
if (length > this->chunk_cnt_)
length = this->chunk_cnt_;
int n = this->read_from_stream_i (buf, length);
if (n > 0)
this->chunk_cnt_ -= n;
return n;
}
else
{
int ch = this->getc ();
while (ch != eof_ && ch != lf)
ch = this->getc ();
return 0;
}
}
template <class STREAM_BUFFER>
int ChunkedTransferStreamPolicyBase<STREAM_BUFFER>::write_to_stream (
const char_type * buf,
std::streamsize length)
{
this->chunk_.clear ();
this->chunk_ << std::hex << length << std::dec;
this->chunk_ << this->chunk_.widen ('\r') << this->chunk_.widen ('\n');
this->chunk_.write (buf, length);
this->chunk_ << this->chunk_.widen ('\r') << this->chunk_.widen ('\n');
const typename buffer_type::string_type& str = this->chunk_.str ();
return this->write_to_stream_i (str.c_str (), str.length ());
}
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HTTP_STREAM_POLICY_CPP */
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