Exit Zen
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string ID 12
type: paragraph
English
Non-trivial algorithms need to do more than receive entire messages at once, such as:
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string ID 16
type: list
English
* Receive the header first and body later.
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string ID 18
type: list
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* Receive a large body using a fixed-size buffer.
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string ID 20
type: list
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* Receive a message incrementally: bounded work in each I/O cycle.
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string ID 22
type: list
English
* Defer the commitment to a __Body__ type until after reading the header.
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string ID 24
type: paragraph
English
These types of operations require callers to manage the lifetime of associated state, by constructing a class derived from __basic_parser__. Beast comes with the derived instance __parser__ which creates complete __message__ objects using the __basic_fields__ Fields container.
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string ID 29
type: table code
English
/// An HTTP/1 parser for producing a message.
template<
bool isRequest, // `true` to parse an HTTP request
class Body, // The Body type for the resulting message
class Allocator = std::allocator<char>> // The type of allocator for the header
class parser
: public basic_parser<...>;
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13
string ID 29
type: table cell
English
[link beast.ref.boost__beast__http__request_parser `request_parser`]
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string ID 29
type: table code
English
/// An HTTP/1 parser for producing a request message.
template<class Body, class Allocator = std::allocator<char>>
using request_parser = parser<true, Body, Allocator>;
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string ID 29
type: table cell
English
[link beast.ref.boost__beast__http__response_parser `response_parser`]
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string ID 29
type: table code
English
/// An HTTP/1 parser for producing a response message.
template<class Body, class Allocator = std::allocator<char>>
using response_parser = parser<false, Body, Allocator>;
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string ID 65
type: paragraph
English
The __basic_parser__ and classes derived from it handle octet streams
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string ID 69
type: paragraph
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The stream operations which work on parsers are:
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71
string ID 71
type: table title
English
Parser Stream Operations
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string ID 71
type: table cell
English
[link beast.ref.boost__beast__http__read.overload1 [*read]]
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string ID 71
type: table cell
English
Read everything into a parser from a __SyncReadStream__.
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string ID 71
type: table cell
English
[link beast.ref.boost__beast__http__async_read.overload1 [*async_read]]
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string ID 71
type: table cell
English
Read everything into a parser asynchronously from an __AsyncReadStream__.
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string ID 71
type: table cell
English
[link beast.ref.boost__beast__http__read_header.overload1 [*read_header]]
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string ID 71
type: table cell
English
Read only the header octets into a parser from a __SyncReadStream__.
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