The async_read_until function is a composed asynchronous operation that reads data into a dynamic buffer sequence, or into a streambuf, until it contains a delimiter, matches a regular expression, or a function object indicates a match.

Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter.

template<
    typename AsyncReadStream,
    typename DynamicBuffer,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    DynamicBuffer && buffers,
    char delim,
    ReadHandler && handler);
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template<
    typename AsyncReadStream,
    typename DynamicBuffer,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    DynamicBuffer && buffers,
    string_view delim,
    ReadHandler && handler);
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Start an asynchronous operation to read data into a dynamic buffer sequence until some part of its data matches a regular expression.

template<
    typename AsyncReadStream,
    typename DynamicBuffer,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    DynamicBuffer && buffers,
    const boost::regex & expr,
    ReadHandler && handler);
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Start an asynchronous operation to read data into a dynamic buffer sequence until a function object indicates a match.

template<
    typename AsyncReadStream,
    typename DynamicBuffer,
    typename MatchCondition,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    DynamicBuffer && buffers,
    MatchCondition match_condition,
    ReadHandler && handler,
    typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
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Start an asynchronous operation to read data into a streambuf until it contains a specified delimiter.

template<
    typename AsyncReadStream,
    typename Allocator,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    boost::asio::basic_streambuf< Allocator > & b,
    char delim,
    ReadHandler && handler);
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template<
    typename AsyncReadStream,
    typename Allocator,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    boost::asio::basic_streambuf< Allocator > & b,
    string_view delim,
    ReadHandler && handler);
  » more...

Start an asynchronous operation to read data into a streambuf until some part of its data matches a regular expression.

template<
    typename AsyncReadStream,
    typename Allocator,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    boost::asio::basic_streambuf< Allocator > & b,
    const boost::regex & expr,
    ReadHandler && handler);
  » more...

Start an asynchronous operation to read data into a streambuf until a function object indicates a match.

template<
    typename AsyncReadStream,
    typename Allocator,
    typename MatchCondition,
    typename ReadHandler>
DEDUCED async_read_until(
    AsyncReadStream & s,
    boost::asio::basic_streambuf< Allocator > & b,
    MatchCondition match_condition,
    ReadHandler && handler,
    typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
  » more...

Requirements

Header: boost/asio/read_until.hpp

Convenience header: boost/asio.hpp