From 073ccf270560a8a81d89a76d1c31f99686a16636 Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Fri, 29 Apr 2016 05:25:52 -0400
Subject: [PATCH] Set version to 0.32.0-b8

---
 include/beast/impl/buffers_adapter.ipp   | 520 +++++++++++++++++++++++
 include/beast/impl/consuming_buffers.ipp | 211 +++++++++
 include/beast/impl/prepare_buffers.ipp   | 215 ++++++++++
 include/beast/impl/static_streambuf.ipp  | 304 +++++++++++++
 src/ripple/protocol/impl/BuildInfo.cpp   |   2 +-
 5 files changed, 1251 insertions(+), 1 deletion(-)
 create mode 100644 include/beast/impl/buffers_adapter.ipp
 create mode 100644 include/beast/impl/consuming_buffers.ipp
 create mode 100644 include/beast/impl/prepare_buffers.ipp
 create mode 100644 include/beast/impl/static_streambuf.ipp

diff --git a/include/beast/impl/buffers_adapter.ipp b/include/beast/impl/buffers_adapter.ipp
new file mode 100644
index 000000000..0040fd5a4
--- /dev/null
+++ b/include/beast/impl/buffers_adapter.ipp
@@ -0,0 +1,520 @@
+//
+// Copyright (c) 2013-2016 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)
+//
+
+#ifndef BEAST_IMPL_BUFFERS_ADAPTER_IPP
+#define BEAST_IMPL_BUFFERS_ADAPTER_IPP
+
+#include <boost/asio/buffer.hpp>
+#include <algorithm>
+#include <cstring>
+#include <iterator>
+#include <stdexcept>
+#include <type_traits>
+
+namespace beast {
+
+template<class Buffers>
+class buffers_adapter<Buffers>::const_buffers_type
+{
+    buffers_adapter const* ba_;
+
+public:
+    using value_type = boost::asio::const_buffer;
+
+    class const_iterator;
+
+    const_buffers_type() = default;
+    const_buffers_type(
+        const_buffers_type const&) = default;
+    const_buffers_type& operator=(
+        const_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class buffers_adapter;
+
+    const_buffers_type(buffers_adapter const& ba)
+        : ba_(&ba)
+    {
+    }
+};
+
+template<class Buffers>
+class buffers_adapter<Buffers>::const_buffers_type::const_iterator
+{
+    iter_type it_;
+    buffers_adapter const* ba_;
+
+public:
+    using value_type = boost::asio::const_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return ba_ == other.ba_ &&
+            it_ == other.it_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        using boost::asio::buffer_cast;
+        using boost::asio::buffer_size;
+        return value_type{buffer_cast<void const*>(*it_),
+            (ba_->out_ == ba_->bs_.end() ||
+                it_ != ba_->out_) ? buffer_size(*it_) : ba_->out_pos_} +
+                    (it_ == ba_->begin_ ? ba_->in_pos_ : 0);
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        ++it_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        --it_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class const_buffers_type;
+
+    const_iterator(buffers_adapter const& ba,
+            iter_type iter)
+        : it_(iter)
+        , ba_(&ba)
+    {
+    }
+};
+
+template<class Buffers>
+inline
+auto
+buffers_adapter<Buffers>::const_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{*ba_, ba_->begin_};
+}
+
+template<class Buffers>
+inline
+auto
+buffers_adapter<Buffers>::const_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{*ba_, ba_->out_ ==
+        ba_->end_ ? ba_->end_ : std::next(ba_->out_)};
+}
+
+//------------------------------------------------------------------------------
+
+template<class Buffers>
+class buffers_adapter<Buffers>::mutable_buffers_type
+{
+    buffers_adapter const* ba_;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+
+    class const_iterator;
+
+    mutable_buffers_type() = default;
+    mutable_buffers_type(
+        mutable_buffers_type const&) = default;
+    mutable_buffers_type& operator=(
+        mutable_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class buffers_adapter;
+
+    mutable_buffers_type(
+            buffers_adapter const& ba)
+        : ba_(&ba)
+    {
+    }
+};
+
+template<class Buffers>
+class buffers_adapter<Buffers>::mutable_buffers_type::const_iterator
+{
+    iter_type it_;
+    buffers_adapter const* ba_;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return ba_ == other.ba_ &&
+            it_ == other.it_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        using boost::asio::buffer_cast;
+        using boost::asio::buffer_size;
+        return value_type{buffer_cast<void*>(*it_),
+            it_ == std::prev(ba_->end_) ?
+                ba_->out_end_ : buffer_size(*it_)} +
+                    (it_ == ba_->out_ ? ba_->out_pos_ : 0);
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        ++it_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        --it_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class mutable_buffers_type;
+
+    const_iterator(buffers_adapter const& ba,
+            iter_type iter)
+        : it_(iter)
+        , ba_(&ba)
+    {
+    }
+};
+
+template<class Buffers>
+inline
+auto
+buffers_adapter<Buffers>::mutable_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{*ba_, ba_->out_};
+}
+
+template<class Buffers>
+inline
+auto
+buffers_adapter<Buffers>::mutable_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{*ba_, ba_->end_};
+}
+
+//------------------------------------------------------------------------------
+
+template<class Buffers>
+buffers_adapter<Buffers>::buffers_adapter(
+        buffers_adapter&& other)
+    : buffers_adapter(std::move(other),
+        std::distance<iter_type>(other.bs_.begin(), other.begin_),
+        std::distance<iter_type>(other.bs_.begin(), other.out_),
+        std::distance<iter_type>(other.bs_.begin(), other.end_))
+{
+}
+
+template<class Buffers>
+buffers_adapter<Buffers>::buffers_adapter(
+        buffers_adapter const& other)
+    : buffers_adapter(other,
+        std::distance<iter_type>(other.bs_.begin(), other.begin_),
+        std::distance<iter_type>(other.bs_.begin(), other.out_),
+        std::distance<iter_type>(other.bs_.begin(), other.end_))
+{
+}
+
+template<class Buffers>
+auto
+buffers_adapter<Buffers>::operator=(
+    buffers_adapter&& other) -> buffers_adapter&
+{
+    auto const nbegin = std::distance<iter_type>(
+        other.bs_.begin(), other.begin_);
+    auto const nout = std::distance<iter_type>(
+        other.bs_.begin(), other.out_);
+    auto const nend = std::distance<iter_type>(
+        other.bs_.begin(), other.end_);
+    bs_ = std::move(other.bs_);
+    begin_ = std::next(bs_.begin(), nbegin);
+    out_ = std::next(bs_.begin(), nout);
+    end_ = std::next(bs_.begin(), nend);
+    max_size_ = other.max_size_;
+    in_pos_ = other.in_pos_;
+    in_size_ = other.in_size_;
+    out_pos_ = other.out_pos_;
+    out_end_ = other.out_end_;
+    return *this;
+}
+
+template<class Buffers>
+auto
+buffers_adapter<Buffers>::operator=(
+    buffers_adapter const& other) -> buffers_adapter&
+{
+    auto const nbegin = std::distance<iter_type>(
+        other.bs_.begin(), other.begin_);
+    auto const nout = std::distance<iter_type>(
+        other.bs_.begin(), other.out_);
+    auto const nend = std::distance<iter_type>(
+        other.bs_.begin(), other.end_);
+    bs_ = other.bs_;
+    begin_ = std::next(bs_.begin(), nbegin);
+    out_ = std::next(bs_.begin(), nout);
+    end_ = std::next(bs_.begin(), nend);
+    max_size_ = other.max_size_;
+    in_pos_ = other.in_pos_;
+    in_size_ = other.in_size_;
+    out_pos_ = other.out_pos_;
+    out_end_ = other.out_end_;
+    return *this;
+}
+
+template<class Buffers>
+buffers_adapter<Buffers>::buffers_adapter(
+    Buffers const& bs)
+    : bs_(bs)
+    , begin_(bs_.begin())
+    , out_(bs_.begin())
+    , end_(bs_.begin())
+    , max_size_(boost::asio::buffer_size(bs_))
+{
+}
+
+template<class Buffers>
+auto
+buffers_adapter<Buffers>::prepare(std::size_t n) ->
+    mutable_buffers_type
+{
+    using boost::asio::buffer_size;
+    static_assert(is_mutable,
+        "Operation not valid for ConstBufferSequence");
+    end_ = out_;
+    if(end_ != bs_.end())
+    {
+        auto size = buffer_size(*end_) - out_pos_;
+        if(n > size)
+        {
+            n -= size;
+            while(++end_ != bs_.end())
+            {
+                size = buffer_size(*end_);
+                if(n < size)
+                {
+                    out_end_ = n;
+                    n = 0;
+                    ++end_;
+                    break;
+                }
+                n -= size;
+                out_end_ = size;
+            }
+        }
+        else
+        {
+            ++end_;
+            out_end_ = out_pos_ + n;
+            n = 0;
+        }
+    }
+    if(n > 0)
+        throw std::length_error(
+            "no space in buffers_adapter");
+    return mutable_buffers_type{*this};
+}
+
+template<class Buffers>
+void
+buffers_adapter<Buffers>::commit(std::size_t n)
+{
+    using boost::asio::buffer_size;
+    static_assert(is_mutable,
+        "Operation not valid for ConstBufferSequence");
+    if(out_ == end_)
+        return;
+    auto const last = std::prev(end_);
+    while(out_ != last)
+    {
+        auto const avail =
+            buffer_size(*out_) - out_pos_;
+        if(n < avail)
+        {
+            out_pos_ += n;
+            in_size_ += n;
+            max_size_ -= n;
+            return;
+        }
+        ++out_;
+        n -= avail;
+        out_pos_ = 0;
+        in_size_ += avail;
+        max_size_ -= avail;
+    }
+
+    n = std::min(n, out_end_ - out_pos_);
+    out_pos_ += n;
+    in_size_ += n;
+    max_size_ -= n;
+    if(out_pos_ == buffer_size(*out_))
+    {
+        ++out_;
+        out_pos_ = 0;
+        out_end_ = 0;
+    }
+}
+
+template<class Buffers>
+inline
+auto
+buffers_adapter<Buffers>::data() const ->
+    const_buffers_type
+{
+    return const_buffers_type{*this};
+}
+
+template<class Buffers>
+void
+buffers_adapter<Buffers>::consume(std::size_t n)
+{
+    for(;;)
+    {
+        if(begin_ != out_)
+        {
+            auto const avail =
+                buffer_size(*begin_) - in_pos_;
+            if(n < avail)
+            {
+                in_size_ -= n;
+                in_pos_ += n;
+                break;
+            }
+            n -= avail;
+            in_size_ -= avail;
+            in_pos_ = 0;
+            ++begin_;
+        }
+        else
+        {
+            auto const avail = out_pos_ - in_pos_;
+            if(n < avail)
+            {
+                in_size_ -= n;
+                in_pos_ += n;
+            }
+            else
+            {
+                in_size_ -= avail;
+                if(out_pos_ != out_end_||
+                    out_ != std::prev(bs_.end()))
+                {
+                    in_pos_ = out_pos_;
+                }
+                else
+                {
+                    // Use the whole buffer now.
+                    in_pos_ = 0;
+                    out_pos_ = 0;
+                    out_end_ = 0;
+                }
+            }
+            break;
+        }
+    }
+}
+
+} // beast
+
+#endif
diff --git a/include/beast/impl/consuming_buffers.ipp b/include/beast/impl/consuming_buffers.ipp
new file mode 100644
index 000000000..4aa203f56
--- /dev/null
+++ b/include/beast/impl/consuming_buffers.ipp
@@ -0,0 +1,211 @@
+//
+// Copyright (c) 2013-2016 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)
+//
+
+#ifndef BEAST_IMPL_CONSUMING_BUFFERS_IPP
+#define BEAST_IMPL_CONSUMING_BUFFERS_IPP
+
+#include <beast/type_check.hpp>
+#include <boost/asio/buffer.hpp>
+#include <algorithm>
+#include <cstdint>
+#include <iterator>
+#include <type_traits>
+#include <utility>
+
+namespace beast {
+
+template<class Buffers, class ValueType>
+class consuming_buffers<Buffers, ValueType>::const_iterator
+{
+    friend class consuming_buffers<Buffers, ValueType>;
+
+    using iter_type =
+        typename Buffers::const_iterator;
+
+    iter_type it_;
+    consuming_buffers const* b_;
+
+public:
+    using value_type =
+        typename std::iterator_traits<iter_type>::value_type;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return b_ == other.b_ && it_ == other.it_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        if(it_ == b_->begin_)
+            return *it_ + b_->skip_;
+        return *it_;
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        ++it_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        --it_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    const_iterator(consuming_buffers const& b,
+            iter_type it)
+        : it_(it)
+        , b_(&b)
+    {
+    }
+};
+
+template<class Buffers, class ValueType>
+consuming_buffers<Buffers, ValueType>::
+consuming_buffers(consuming_buffers&& other)
+    : consuming_buffers(std::move(other),
+        std::distance<iter_type>(
+            other.bs_.begin(), other.begin_))
+{
+}
+
+template<class Buffers, class ValueType>
+consuming_buffers<Buffers, ValueType>::
+consuming_buffers(consuming_buffers const& other)
+    : consuming_buffers(other,
+        std::distance<iter_type>(
+            other.bs_.begin(), other.begin_))
+{
+}
+
+template<class Buffers, class ValueType>
+auto
+consuming_buffers<Buffers, ValueType>::
+operator=(consuming_buffers&& other) ->
+    consuming_buffers&
+{
+    auto const nbegin = std::distance<iter_type>(
+        other.bs_.begin(), other.begin_);
+    bs_ = std::move(other.bs_);
+    begin_ = std::next(bs_.begin(), nbegin);
+    skip_ = other.skip_;
+    return *this;
+}
+
+template<class Buffers, class ValueType>
+auto
+consuming_buffers<Buffers, ValueType>::
+operator=(consuming_buffers const& other) ->
+    consuming_buffers&
+{
+    auto const nbegin = std::distance<iter_type>(
+        other.bs_.begin(), other.begin_);
+    bs_ = other.bs_;
+    begin_ = std::next(bs_.begin(), nbegin);
+    skip_ = other.skip_;
+    return *this;
+}
+
+template<class Buffers, class ValueType>
+consuming_buffers<Buffers, ValueType>::
+consuming_buffers(Buffers const& bs)
+    : bs_(bs)
+    , begin_(bs_.begin())
+{
+    static_assert(is_BufferSequence<Buffers, ValueType>::value,
+        "BufferSequence requirements not met");
+}
+
+template<class Buffers, class ValueType>
+auto
+consuming_buffers<Buffers, ValueType>::begin() const ->
+    const_iterator
+{
+    return const_iterator{*this, begin_};
+}
+
+template<class Buffers, class ValueType>
+auto
+consuming_buffers<Buffers, ValueType>::end() const ->
+    const_iterator
+{
+    return const_iterator{*this, bs_.end()};
+}
+
+template<class Buffers, class ValueType>
+void
+consuming_buffers<Buffers, ValueType>::consume(std::size_t n)
+{
+    using boost::asio::buffer_size;
+    for(;n > 0 && begin_ != bs_.end(); ++begin_)
+    {
+        auto const len =
+            buffer_size(*begin_) - skip_;
+        if(n < len)
+        {
+            skip_ += n;
+            break;
+        }
+        n -= len;
+        skip_ = 0;
+    }
+}
+
+template<class Buffers>
+consuming_buffers<Buffers, typename Buffers::value_type>
+consumed_buffers(Buffers const& bs, std::size_t n)
+{
+    consuming_buffers<Buffers> cb(bs);
+    cb.consume(n);
+    return cb;
+}
+
+} // beast
+
+#endif
diff --git a/include/beast/impl/prepare_buffers.ipp b/include/beast/impl/prepare_buffers.ipp
new file mode 100644
index 000000000..65de4a3b1
--- /dev/null
+++ b/include/beast/impl/prepare_buffers.ipp
@@ -0,0 +1,215 @@
+//
+// Copyright (c) 2013-2016 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)
+//
+
+#ifndef BEAST_IMPL_PREPARE_BUFFERS_IPP
+#define BEAST_IMPL_PREPARE_BUFFERS_IPP
+
+#include <boost/asio/buffer.hpp>
+#include <algorithm>
+#include <cstdint>
+#include <iterator>
+#include <stdexcept>
+#include <utility>
+
+namespace beast {
+
+template<class BufferSequence>
+void
+prepared_buffers<BufferSequence>::
+setup(std::size_t n)
+{
+    for(end_ = bs_.begin(); end_ != bs_.end(); ++end_)
+    {
+        auto const len =
+            boost::asio::buffer_size(*end_);
+        if(n <= len)
+        {
+            size_ = n;
+            back_ = end_++;
+            return;
+        }
+        n -= len;
+    }
+    size_ = 0;
+    back_ = end_;
+}
+
+template<class BufferSequence>
+class prepared_buffers<BufferSequence>::const_iterator
+{
+    friend class prepared_buffers<BufferSequence>;
+
+    using iter_type =
+        typename BufferSequence::const_iterator;
+
+    prepared_buffers const* b_;
+    typename BufferSequence::const_iterator it_;
+
+public:
+    using value_type =
+        typename std::iterator_traits<iter_type>::value_type;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return b_ == other.b_ && it_ == other.it_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        if(it_ == b_->back_)
+            return prepare_buffer(b_->size_, *it_);
+        return *it_;
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        ++it_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        --it_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    const_iterator(prepared_buffers const& b,
+            bool at_end)
+        : b_(&b)
+        , it_(at_end ? b.end_ : b.bs_.begin())
+    {
+    }
+};
+
+template<class BufferSequence>
+prepared_buffers<BufferSequence>::
+prepared_buffers(prepared_buffers&& other)
+    : prepared_buffers(std::move(other),
+        std::distance<iter_type>(other.bs_.begin(), other.back_),
+        std::distance<iter_type>(other.bs_.begin(), other.end_))
+{
+}
+
+template<class BufferSequence>
+prepared_buffers<BufferSequence>::
+prepared_buffers(prepared_buffers const& other)
+    : prepared_buffers(other,
+        std::distance<iter_type>(other.bs_.begin(), other.back_),
+        std::distance<iter_type>(other.bs_.begin(), other.end_))
+{
+}
+
+template<class BufferSequence>
+auto
+prepared_buffers<BufferSequence>::
+operator=(prepared_buffers&& other) ->
+    prepared_buffers&
+{
+    auto const nback = std::distance<iter_type>(
+        other.bs_.begin(), other.back_);
+    auto const nend = std::distance<iter_type>(
+        other.bs_.begin(), other.end_);
+    bs_ = std::move(other.bs_);
+    back_ = std::next(bs_.begin(), nback);
+    end_ = std::next(bs_.begin(), nend);
+    size_ = other.size_;
+    return *this;
+}
+
+template<class BufferSequence>
+auto
+prepared_buffers<BufferSequence>::
+operator=(prepared_buffers const& other) ->
+    prepared_buffers&
+{
+    auto const nback = std::distance<iter_type>(
+        other.bs_.begin(), other.back_);
+    auto const nend = std::distance<iter_type>(
+        other.bs_.begin(), other.end_);
+    bs_ = other.bs_;
+    back_ = std::next(bs_.begin(), nback);
+    end_ = std::next(bs_.begin(), nend);
+    size_ = other.size_;
+    return *this;
+}
+
+template<class BufferSequence>
+prepared_buffers<BufferSequence>::
+prepared_buffers(std::size_t n, BufferSequence const& bs)
+    : bs_(bs)
+{
+    setup(n);
+}
+
+template<class BufferSequence>
+auto
+prepared_buffers<BufferSequence>::begin() const ->
+    const_iterator
+{
+    return const_iterator{*this, false};
+}
+
+template<class BufferSequence>
+auto
+prepared_buffers<BufferSequence>::end() const ->
+    const_iterator
+{
+    return const_iterator{*this, true};
+}
+
+template<class BufferSequence>
+inline
+prepared_buffers<BufferSequence>
+prepare_buffers(std::size_t n, BufferSequence const& buffers)
+{
+    return prepared_buffers<BufferSequence>(n, buffers);
+}
+
+} // beast
+
+#endif
diff --git a/include/beast/impl/static_streambuf.ipp b/include/beast/impl/static_streambuf.ipp
new file mode 100644
index 000000000..0d75a8200
--- /dev/null
+++ b/include/beast/impl/static_streambuf.ipp
@@ -0,0 +1,304 @@
+//
+// Copyright (c) 2013-2016 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)
+//
+
+#ifndef BEAST_IMPL_STATIC_STREAMBUF_IPP
+#define BEAST_IMPL_STATIC_STREAMBUF_IPP
+
+#include <boost/asio/buffer.hpp>
+#include <algorithm>
+#include <cstring>
+#include <iterator>
+#include <stdexcept>
+
+namespace beast {
+
+class static_streambuf::const_buffers_type
+{
+    std::size_t n_;
+    std::uint8_t const* p_;
+
+public:
+    using value_type = boost::asio::const_buffer;
+
+    class const_iterator;
+
+    const_buffers_type() = default;
+    const_buffers_type(
+        const_buffers_type const&) = default;
+    const_buffers_type& operator=(
+        const_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class static_streambuf;
+
+    const_buffers_type(
+            std::uint8_t const* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+class static_streambuf::const_buffers_type::const_iterator
+{
+    std::size_t n_;
+    std::uint8_t const* p_;
+
+public:
+    using value_type = boost::asio::const_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return p_ == other.p_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        return value_type{p_, n_};
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        p_ += n_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        p_ -= n_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class const_buffers_type;
+
+    const_iterator(
+            std::uint8_t const* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+inline
+auto
+static_streambuf::const_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{p_, n_};
+}
+
+inline
+auto
+static_streambuf::const_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{p_ + n_, n_};
+}
+
+//------------------------------------------------------------------------------
+
+class static_streambuf::mutable_buffers_type
+{
+    std::size_t n_;
+    std::uint8_t* p_;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+
+    class const_iterator;
+
+    mutable_buffers_type() = default;
+    mutable_buffers_type(
+        mutable_buffers_type const&) = default;
+    mutable_buffers_type& operator=(
+        mutable_buffers_type const&) = default;
+
+    const_iterator
+    begin() const;
+
+    const_iterator
+    end() const;
+
+private:
+    friend class static_streambuf;
+
+    mutable_buffers_type(
+            std::uint8_t* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+class static_streambuf::mutable_buffers_type::const_iterator
+{
+    std::size_t n_;
+    std::uint8_t* p_;
+
+public:
+    using value_type = boost::asio::mutable_buffer;
+    using pointer = value_type const*;
+    using reference = value_type;
+    using difference_type = std::ptrdiff_t;
+    using iterator_category =
+        std::bidirectional_iterator_tag;
+
+    const_iterator() = default;
+    const_iterator(const_iterator&& other) = default;
+    const_iterator(const_iterator const& other) = default;
+    const_iterator& operator=(const_iterator&& other) = default;
+    const_iterator& operator=(const_iterator const& other) = default;
+
+    bool
+    operator==(const_iterator const& other) const
+    {
+        return p_ == other.p_;
+    }
+
+    bool
+    operator!=(const_iterator const& other) const
+    {
+        return !(*this == other);
+    }
+
+    reference
+    operator*() const
+    {
+        return value_type{p_, n_};
+    }
+
+    pointer
+    operator->() const = delete;
+
+    const_iterator&
+    operator++()
+    {
+        p_ += n_;
+        return *this;
+    }
+
+    const_iterator
+    operator++(int)
+    {
+        auto temp = *this;
+        ++(*this);
+        return temp;
+    }
+
+    const_iterator&
+    operator--()
+    {
+        p_ -= n_;
+        return *this;
+    }
+
+    const_iterator
+    operator--(int)
+    {
+        auto temp = *this;
+        --(*this);
+        return temp;
+    }
+
+private:
+    friend class mutable_buffers_type;
+
+    const_iterator(std::uint8_t* p, std::size_t n)
+        : n_(n)
+        , p_(p)
+    {
+    }
+};
+
+inline
+auto
+static_streambuf::mutable_buffers_type::begin() const ->
+    const_iterator
+{
+    return const_iterator{p_, n_};
+}
+
+inline
+auto
+static_streambuf::mutable_buffers_type::end() const ->
+    const_iterator
+{
+    return const_iterator{p_ + n_, n_};
+}
+
+//------------------------------------------------------------------------------
+
+inline
+auto
+static_streambuf::prepare(std::size_t n) ->
+    mutable_buffers_type
+{
+    if(n > static_cast<std::size_t>(end_ - out_))
+        throw std::length_error("no space in streambuf");
+    last_ = out_ + n;
+    return mutable_buffers_type{out_, n};
+}
+
+inline
+auto
+static_streambuf::data() const ->
+    const_buffers_type
+{
+    return const_buffers_type{in_,
+        static_cast<std::size_t>(out_ - in_)};
+}
+
+} // beast
+
+#endif
diff --git a/src/ripple/protocol/impl/BuildInfo.cpp b/src/ripple/protocol/impl/BuildInfo.cpp
index 19fe77692..70dc34ee3 100644
--- a/src/ripple/protocol/impl/BuildInfo.cpp
+++ b/src/ripple/protocol/impl/BuildInfo.cpp
@@ -35,7 +35,7 @@ char const* getRawVersionString ()
     //
     //  The build version number (edit this for each release)
     //
-        "0.32.0-b7"
+        "0.32.0-b8"
 
     //
     //  Must follow the format described here: