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Refactor HTTP serialization (API Change):

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A new class `serializer` is introduced to permit incremental
serialization of HTTP messages. Existing free functions are
re-implemented in terms of this new class.

* The BodyReader concept is refined to support a greater variety
of strategies for providing buffers representing the body to
the serialization algorithms.

* Added buffer_body, a new model of Body which allows the caller
to provide a series of owned buffers using their own serialization
loop.

* Added empty_body, a model of Body which is for serialization only,
to represent HTTP messages with no content body.

* Removed overloads of write and async_write which send only
the HTTP header.

* Removed public interfaces for performing low-level chunk encoding.
This commit is contained in:
Vinnie Falco
2017-05-08 12:41:45 -07:00
parent b9bdb1bbbc
commit 3664329ea7
44 changed files with 2540 additions and 1104 deletions
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146
test/http/chunk_encode.cpp
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@@ -1,146 +0,0 @@
//
// Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Test that header file is self-contained.
#include <beast/http/chunk_encode.hpp>
#include <beast/core/ostream.hpp>
#include <beast/unit_test/suite.hpp>
#include <boost/lexical_cast.hpp>
namespace beast {
namespace http {
class chunk_encode_test : public beast::unit_test::suite
{
public:
struct final_chunk
{
std::string s;
final_chunk() = default;
explicit
final_chunk(std::string s_)
: s(std::move(s_))
{
}
};
template<class ConstBufferSequence>
static
std::string
to_string(ConstBufferSequence const& bs)
{
return boost::lexical_cast<
std::string>(buffers(bs));
}
static
void
encode1(std::string& s, final_chunk const& fc)
{
using boost::asio::buffer;
if(! fc.s.empty())
s.append(to_string(chunk_encode(
false, buffer(fc.s.data(), fc.s.size()))));
s.append(to_string(chunk_encode_final()));
}
static
void
encode1(std::string& s, std::string const& piece)
{
using boost::asio::buffer;
s.append(to_string(chunk_encode(
false, buffer(piece.data(), piece.size()))));
}
static
inline
void
encode(std::string&)
{
}
template<class Arg, class... Args>
static
void
encode(std::string& s, Arg const& arg, Args const&... args)
{
encode1(s, arg);
encode(s, args...);
}
template<class... Args>
void
check(std::string const& answer, Args const&... args)
{
std::string s;
encode(s, args...);
BEAST_EXPECT(s == answer);
}
void run() override
{
check(
"0\r\n\r\n"
"0\r\n\r\n",
"", final_chunk{});
check(
"1\r\n"
"*\r\n"
"0\r\n\r\n",
final_chunk("*"));
check(
"2\r\n"
"**\r\n"
"0\r\n\r\n",
final_chunk("**"));
check(
"1\r\n"
"*\r\n"
"1\r\n"
"*\r\n"
"0\r\n\r\n",
"*", final_chunk("*"));
check(
"5\r\n"
"*****\r\n"
"7\r\n"
"*******\r\n"
"0\r\n\r\n",
"*****", final_chunk("*******"));
check(
"1\r\n"
"*\r\n"
"1\r\n"
"*\r\n"
"0\r\n\r\n",
"*", "*", final_chunk{});
check(
"4\r\n"
"****\r\n"
"0\r\n\r\n",
"****", final_chunk{});
BEAST_EXPECT(to_string(chunk_encode(true,
boost::asio::buffer("****", 4))) ==
"4\r\n****\r\n0\r\n\r\n");
}
};
BEAST_DEFINE_TESTSUITE(chunk_encode,http,beast);
} // http
} // beast