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Vinnie Falco
2016-04-19 20:29:16 -04:00
parent 54f6f0ceba
commit f07cd8ceb4
239 changed files with 2692 additions and 19127 deletions
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300
include/beast/http/impl/basic_headers.ipp Normal file
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//
// 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_HTTP_IMPL_BASIC_HEADERS_IPP
#define BEAST_HTTP_IMPL_BASIC_HEADERS_IPP
#include <beast/http/detail/writes.hpp>
#include <beast/type_check.hpp>
namespace beast {
namespace http {
namespace detail {
inline
auto
basic_headers_base::begin() const ->
const_iterator
{
return list_.cbegin();
}
inline
auto
basic_headers_base::end() const ->
const_iterator
{
return list_.cend();
}
inline
auto
basic_headers_base::cbegin() const ->
const_iterator
{
return list_.cbegin();
}
inline
auto
basic_headers_base::cend() const ->
const_iterator
{
return list_.cend();
}
} // detail
//------------------------------------------------------------------------------
template<class Allocator>
void
basic_headers<Allocator>::
delete_all()
{
for(auto it = list_.begin(); it != list_.end();)
{
auto& e = *it++;
e.~element();
alloc_traits::deallocate(
this->member(), &e, 1);
}
}
template<class Allocator>
inline
void
basic_headers<Allocator>::
move_assign(basic_headers& other, std::false_type)
{
if(this->member() != other.member())
{
copy_from(other);
other.clear();
}
else
{
set_ = std::move(other.set_);
list_ = std::move(other.list_);
}
}
template<class Allocator>
inline
void
basic_headers<Allocator>::
move_assign(basic_headers& other, std::true_type)
{
this->member() = std::move(other.member());
set_ = std::move(other.set_);
list_ = std::move(other.list_);
}
template<class Allocator>
inline
void
basic_headers<Allocator>::
copy_assign(basic_headers const& other, std::false_type)
{
copy_from(other);
}
template<class Allocator>
inline
void
basic_headers<Allocator>::
copy_assign(basic_headers const& other, std::true_type)
{
this->member() = other.member();
copy_from(other);
}
//------------------------------------------------------------------------------
template<class Allocator>
basic_headers<Allocator>::
~basic_headers()
{
delete_all();
}
template<class Allocator>
basic_headers<Allocator>::
basic_headers(Allocator const& alloc)
: beast::detail::empty_base_optimization<
alloc_type>(alloc)
{
}
template<class Allocator>
basic_headers<Allocator>::
basic_headers(basic_headers&& other)
: beast::detail::empty_base_optimization<alloc_type>(
std::move(other.member()))
, detail::basic_headers_base(
std::move(other.set_), std::move(other.list_))
{
other.list_.clear();
other.set_.clear();
}
template<class Allocator>
auto
basic_headers<Allocator>::
operator=(basic_headers&& other) ->
basic_headers&
{
if(this == &other)
return *this;
clear();
move_assign(other, std::integral_constant<bool,
alloc_traits::propagate_on_container_move_assignment::value>{});
return *this;
}
template<class Allocator>
basic_headers<Allocator>::
basic_headers(basic_headers const& other)
: basic_headers(alloc_traits::
select_on_container_copy_construction(other.member()))
{
copy_from(other);
}
template<class Allocator>
auto
basic_headers<Allocator>::
operator=(basic_headers const& other) ->
basic_headers&
{
clear();
copy_assign(other, std::integral_constant<bool,
alloc_traits::propagate_on_container_copy_assignment::value>{});
return *this;
}
template<class Allocator>
template<class OtherAlloc>
basic_headers<Allocator>::
basic_headers(basic_headers<OtherAlloc> const& other)
{
copy_from(other);
}
template<class Allocator>
template<class OtherAlloc>
auto
basic_headers<Allocator>::
operator=(basic_headers<OtherAlloc> const& other) ->
basic_headers&
{
clear();
copy_from(other);
return *this;
}
template<class Allocator>
template<class FwdIt>
basic_headers<Allocator>::
basic_headers(FwdIt first, FwdIt last)
{
for(;first != last; ++first)
insert(first->name(), first->value());
}
template<class Allocator>
auto
basic_headers<Allocator>::
find(boost::string_ref const& name) const ->
iterator
{
auto const it = set_.find(name, less{});
if(it == set_.end())
return list_.end();
return list_.iterator_to(*it);
}
template<class Allocator>
boost::string_ref
basic_headers<Allocator>::
operator[](boost::string_ref const& name) const
{
// VFALCO This none object looks sketchy
static boost::string_ref const none;
auto const it = find(name);
if(it == end())
return none;
return it->second;
}
template<class Allocator>
void
basic_headers<Allocator>::
clear() noexcept
{
delete_all();
list_.clear();
set_.clear();
}
template<class Allocator>
std::size_t
basic_headers<Allocator>::
erase(boost::string_ref const& name)
{
auto const it = set_.find(name, less{});
if(it == set_.end())
return 0;
auto& e = *it;
set_.erase(set_.iterator_to(e));
list_.erase(list_.iterator_to(e));
alloc_traits::deallocate(this->member(), &e, 1);
return 1;
}
template<class Allocator>
void
basic_headers<Allocator>::
insert(boost::string_ref const& name,
boost::string_ref const& value)
{
typename set_t::insert_commit_data d;
auto const result =
set_.insert_check(name, less{}, d);
if (result.second)
{
auto const p = alloc_traits::allocate(
this->member(), 1);
alloc_traits::construct(
this->member(), p, name, value);
list_.push_back(*p);
set_.insert_commit(*p, d);
return;
}
// If field already exists, insert comma
// separated value as per RFC2616 section 4.2
auto& cur = result.first->data.second;
cur.reserve(cur.size() + 1 + value.size());
cur.append(1, ',');
cur.append(value.data(), value.size());
}
template<class Allocator>
void
basic_headers<Allocator>::
replace(boost::string_ref const& name,
boost::string_ref const& value)
{
erase(name);
insert(name, value);
}
} // http
} // beast
#endif

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include/beast/http/impl/basic_parser.ipp Normal file
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//
// 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_HTTP_IMPL_BASIC_PARSER_IPP
#define BEAST_HTTP_IMPL_BASIC_PARSER_IPP
#include <beast/http/impl/http_parser.h>
#include <beast/http/rfc2616.hpp>
#include <beast/http/detail/error.hpp>
namespace beast {
namespace http {
namespace detail {
inline
beast::http::method_t
convert_http_method(http_method m)
{
using namespace beast;
switch (m)
{
case HTTP_DELETE: return http::method_t::http_delete;
case HTTP_GET: return http::method_t::http_get;
case HTTP_HEAD: return http::method_t::http_head;
case HTTP_POST: return http::method_t::http_post;
case HTTP_PUT: return http::method_t::http_put;
// pathological
case HTTP_CONNECT: return http::method_t::http_connect;
case HTTP_OPTIONS: return http::method_t::http_options;
case HTTP_TRACE: return http::method_t::http_trace;
// webdav
case HTTP_COPY: return http::method_t::http_copy;
case HTTP_LOCK: return http::method_t::http_lock;
case HTTP_MKCOL: return http::method_t::http_mkcol;
case HTTP_MOVE: return http::method_t::http_move;
case HTTP_PROPFIND: return http::method_t::http_propfind;
case HTTP_PROPPATCH: return http::method_t::http_proppatch;
case HTTP_SEARCH: return http::method_t::http_search;
case HTTP_UNLOCK: return http::method_t::http_unlock;
case HTTP_BIND: return http::method_t::http_bind;
case HTTP_REBIND: return http::method_t::http_rebind;
case HTTP_UNBIND: return http::method_t::http_unbind;
case HTTP_ACL: return http::method_t::http_acl;
// subversion
case HTTP_REPORT: return http::method_t::http_report;
case HTTP_MKACTIVITY: return http::method_t::http_mkactivity;
case HTTP_CHECKOUT: return http::method_t::http_checkout;
case HTTP_MERGE: return http::method_t::http_merge;
// upnp
case HTTP_MSEARCH: return http::method_t::http_msearch;
case HTTP_NOTIFY: return http::method_t::http_notify;
case HTTP_SUBSCRIBE: return http::method_t::http_subscribe;
case HTTP_UNSUBSCRIBE: return http::method_t::http_unsubscribe;
// RFC-5789
case HTTP_PATCH: return http::method_t::http_patch;
case HTTP_PURGE: return http::method_t::http_purge;
// CalDav
case HTTP_MKCALENDAR: return http::method_t::http_mkcalendar;
// RFC-2068, section 19.6.1.2
case HTTP_LINK: return http::method_t::http_link;
case HTTP_UNLINK: return http::method_t::http_unlink;
};
return http::method_t::http_get;
}
} // detail
template<class Derived>
basic_parser<Derived>::
basic_parser(basic_parser&& other)
{
state_ = other.state_;
state_.data = this;
complete_ = other.complete_;
url_ = std::move(other.url_);
status_ = std::move(other.status_);
field_ = std::move(other.field_);
value_ = std::move(other.value_);
}
template<class Derived>
auto
basic_parser<Derived>::operator=(basic_parser&& other) ->
basic_parser&
{
state_ = other.state_;
state_.data = this;
complete_ = other.complete_;
url_ = std::move(other.url_);
status_ = std::move(other.status_);
field_ = std::move(other.field_);
value_ = std::move(other.value_);
return *this;
}
template<class Derived>
basic_parser<Derived>::
basic_parser(basic_parser const& other)
{
state_ = other.state_;
state_.data = this;
complete_ = other.complete_;
url_ = other.url_;
status_ = other.status_;
field_ = other.field_;
value_ = other.value_;
}
template<class Derived>
auto
basic_parser<Derived>::
operator=(basic_parser const& other) ->
basic_parser&
{
state_ = other.state_;
state_.data = this;
complete_ = other.complete_;
url_ = other.url_;
status_ = other.status_;
field_ = other.field_;
value_ = other.value_;
return *this;
}
template<class Derived>
basic_parser<Derived>::basic_parser(bool request) noexcept
{
state_.data = this;
http_parser_init(&state_, request
? http_parser_type::HTTP_REQUEST
: http_parser_type::HTTP_RESPONSE);
}
template<class Derived>
std::size_t
basic_parser<Derived>::write(void const* data,
std::size_t size, error_code& ec)
{
ec_ = &ec;
auto const n = http_parser_execute(
&state_, hooks(),
static_cast<const char*>(data), size);
if(! ec)
ec = detail::make_error(
static_cast<int>(state_.http_errno));
if(ec)
return 0;
return n;
}
template<class Derived>
void
basic_parser<Derived>::write_eof(error_code& ec)
{
ec_ = &ec;
http_parser_execute(
&state_, hooks(), nullptr, 0);
if(! ec)
ec = detail::make_error(
static_cast<int>(state_.http_errno));
}
template<class Derived>
void
basic_parser<Derived>::check_header()
{
if (! value_.empty())
{
rfc2616::trim_right_in_place(value_);
call_on_field(field_, value_,
has_on_field<Derived>{});
field_.clear();
value_.clear();
}
}
template<class Derived>
int
basic_parser<Derived>::cb_message_start(http_parser* p)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.complete_ = false;
t.url_.clear();
t.status_.clear();
t.field_.clear();
t.value_.clear();
t.call_on_start(has_on_start<Derived>{});
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_url(http_parser* p,
char const* in, std::size_t bytes)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.url_.append(in, bytes);
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_status(http_parser* p,
char const* in, std::size_t bytes)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.status_.append(in, bytes);
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_header_field(http_parser* p,
char const* in, std::size_t bytes)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.check_header();
t.field_.append(in, bytes);
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_header_value(http_parser* p,
char const* in, std::size_t bytes)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.value_.append(in, bytes);
return 0;
}
/* Called when all the headers are complete but before
the content body, if present.
Returning 1 from here tells the nodejs parser
that the message has no body (e.g. a HEAD request).
*/
template<class Derived>
int
basic_parser<Derived>::cb_headers_complete(http_parser* p)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.check_header();
t.call_on_headers_complete(*t.ec_,
has_on_headers_complete<Derived>{});
if(*t.ec_)
return 1;
bool const keep_alive =
http_should_keep_alive(p) != 0;
if(p->type == http_parser_type::HTTP_REQUEST)
{
t.call_on_request(detail::convert_http_method(
http_method(p->method)), t.url_,
p->http_major, p->http_minor, keep_alive,
p->upgrade, has_on_request<Derived>{});
return 0;
}
return t.call_on_response(p->status_code, t.status_,
p->http_major, p->http_minor, keep_alive,
p->upgrade, has_on_response<Derived>{}) ? 0 : 1;
}
// Called repeatedly for the content body,
// after any transfer-encoding is applied.
template<class Derived>
int
basic_parser<Derived>::cb_body(http_parser* p,
char const* in, std::size_t bytes)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.call_on_body(in, bytes, *t.ec_, has_on_body<Derived>{});
return *t.ec_ ? 1 : 0;
}
// Called when the both the headers
// and content body (if any) are complete.
template<class Derived>
int
basic_parser<Derived>::cb_message_complete(http_parser* p)
{
auto& t = *reinterpret_cast<basic_parser*>(p->data);
t.complete_ = true;
t.call_on_complete(has_on_complete<Derived>{});
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_chunk_header(http_parser*)
{
return 0;
}
template<class Derived>
int
basic_parser<Derived>::cb_chunk_complete(http_parser*)
{
return 0;
}
} // http
} // beast
#endif

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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef http_parser_h
#define http_parser_h
#ifdef __cplusplus
extern "C" {
#endif
/* Also update SONAME in the Makefile whenever you change these. */
#define HTTP_PARSER_VERSION_MAJOR 2
#define HTTP_PARSER_VERSION_MINOR 7
#define HTTP_PARSER_VERSION_PATCH 0
#include <sys/types.h>
#if defined(_WIN32) && !defined(__MINGW32__) && \
(!defined(_MSC_VER) || _MSC_VER<1600) && !defined(__WINE__)
#include <BaseTsd.h>
#include <stddef.h>
typedef __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
#include <stdint.h>
#endif
/* Compile with -DHTTP_PARSER_STRICT=0 to make less checks, but run
* faster
*/
#ifndef HTTP_PARSER_STRICT
# define HTTP_PARSER_STRICT 1
#endif
/* Maximium header size allowed. If the macro is not defined
* before including this header then the default is used. To
* change the maximum header size, define the macro in the build
* environment (e.g. -DHTTP_MAX_HEADER_SIZE=<value>). To remove
* the effective limit on the size of the header, define the macro
* to a very large number (e.g. -DHTTP_MAX_HEADER_SIZE=0x7fffffff)
*/
#ifndef HTTP_MAX_HEADER_SIZE
# define HTTP_MAX_HEADER_SIZE (80*1024)
#endif
typedef struct http_parser http_parser;
typedef struct http_parser_settings http_parser_settings;
/* Callbacks should return non-zero to indicate an error. The parser will
* then halt execution.
*
* The one exception is on_headers_complete. In a HTTP_RESPONSE parser
* returning '1' from on_headers_complete will tell the parser that it
* should not expect a body. This is used when receiving a response to a
* HEAD request which may contain 'Content-Length' or 'Transfer-Encoding:
* chunked' headers that indicate the presence of a body.
*
* Returning `2` from on_headers_complete will tell parser that it should not
* expect neither a body nor any futher responses on this connection. This is
* useful for handling responses to a CONNECT request which may not contain
* `Upgrade` or `Connection: upgrade` headers.
*
* http_data_cb does not return data chunks. It will be called arbitrarily
* many times for each string. E.G. you might get 10 callbacks for "on_url"
* each providing just a few characters more data.
*/
typedef int (*http_data_cb) (http_parser*, const char *at, size_t length);
typedef int (*http_cb) (http_parser*);
/* Request Methods */
#define HTTP_METHOD_MAP(XX) \
XX(0, DELETE, DELETE) \
XX(1, GET, GET) \
XX(2, HEAD, HEAD) \
XX(3, POST, POST) \
XX(4, PUT, PUT) \
/* pathological */ \
XX(5, CONNECT, CONNECT) \
XX(6, OPTIONS, OPTIONS) \
XX(7, TRACE, TRACE) \
/* WebDAV */ \
XX(8, COPY, COPY) \
XX(9, LOCK, LOCK) \
XX(10, MKCOL, MKCOL) \
XX(11, MOVE, MOVE) \
XX(12, PROPFIND, PROPFIND) \
XX(13, PROPPATCH, PROPPATCH) \
XX(14, SEARCH, SEARCH) \
XX(15, UNLOCK, UNLOCK) \
XX(16, BIND, BIND) \
XX(17, REBIND, REBIND) \
XX(18, UNBIND, UNBIND) \
XX(19, ACL, ACL) \
/* subversion */ \
XX(20, REPORT, REPORT) \
XX(21, MKACTIVITY, MKACTIVITY) \
XX(22, CHECKOUT, CHECKOUT) \
XX(23, MERGE, MERGE) \
/* upnp */ \
XX(24, MSEARCH, M-SEARCH) \
XX(25, NOTIFY, NOTIFY) \
XX(26, SUBSCRIBE, SUBSCRIBE) \
XX(27, UNSUBSCRIBE, UNSUBSCRIBE) \
/* RFC-5789 */ \
XX(28, PATCH, PATCH) \
XX(29, PURGE, PURGE) \
/* CalDAV */ \
XX(30, MKCALENDAR, MKCALENDAR) \
/* RFC-2068, section 19.6.1.2 */ \
XX(31, LINK, LINK) \
XX(32, UNLINK, UNLINK) \
enum http_method
{
#define XX(num, name, string) HTTP_##name = num,
HTTP_METHOD_MAP(XX)
#undef XX
};
enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH };
/* Flag values for http_parser.flags field */
enum flags
{ F_CHUNKED = 1 << 0
, F_CONNECTION_KEEP_ALIVE = 1 << 1
, F_CONNECTION_CLOSE = 1 << 2
, F_CONNECTION_UPGRADE = 1 << 3
, F_TRAILING = 1 << 4
, F_UPGRADE = 1 << 5
, F_SKIPBODY = 1 << 6
, F_CONTENTLENGTH = 1 << 7
};
/* Map for errno-related constants
*
* The provided argument should be a macro that takes 2 arguments.
*/
#define HTTP_ERRNO_MAP(XX) \
/* No error */ \
XX(OK, "success") \
\
/* Callback-related errors */ \
XX(CB_message_begin, "the on_message_begin callback failed") \
XX(CB_url, "the on_url callback failed") \
XX(CB_header_field, "the on_header_field callback failed") \
XX(CB_header_value, "the on_header_value callback failed") \
XX(CB_headers_complete, "the on_headers_complete callback failed") \
XX(CB_body, "the on_body callback failed") \
XX(CB_message_complete, "the on_message_complete callback failed") \
XX(CB_status, "the on_status callback failed") \
XX(CB_chunk_header, "the on_chunk_header callback failed") \
XX(CB_chunk_complete, "the on_chunk_complete callback failed") \
\
/* Parsing-related errors */ \
XX(INVALID_EOF_STATE, "stream ended at an unexpected time") \
XX(HEADER_OVERFLOW, \
"too many header bytes seen; overflow detected") \
XX(CLOSED_CONNECTION, \
"data received after completed connection: close message") \
XX(INVALID_VERSION, "invalid HTTP version") \
XX(INVALID_STATUS, "invalid HTTP status code") \
XX(INVALID_METHOD, "invalid HTTP method") \
XX(INVALID_URL, "invalid URL") \
XX(INVALID_HOST, "invalid host") \
XX(INVALID_PORT, "invalid port") \
XX(INVALID_PATH, "invalid path") \
XX(INVALID_QUERY_STRING, "invalid query string") \
XX(INVALID_FRAGMENT, "invalid fragment") \
XX(LF_EXPECTED, "LF character expected") \
XX(INVALID_HEADER_TOKEN, "invalid character in header") \
XX(INVALID_CONTENT_LENGTH, \
"invalid character in content-length header") \
XX(UNEXPECTED_CONTENT_LENGTH, \
"unexpected content-length header") \
XX(INVALID_CHUNK_SIZE, \
"invalid character in chunk size header") \
XX(INVALID_CONSTANT, "invalid constant string") \
XX(INVALID_INTERNAL_STATE, "encountered unexpected internal state")\
XX(STRICT, "strict mode assertion failed") \
XX(PAUSED, "parser is paused") \
XX(UNKNOWN, "an unknown error occurred")
/* Define HPE_* values for each errno value above */
#define HTTP_ERRNO_GEN(n, s) HPE_##n,
enum http_errno {
HTTP_ERRNO_MAP(HTTP_ERRNO_GEN)
};
#undef HTTP_ERRNO_GEN
/* Get an http_errno value from an http_parser */
#define HTTP_PARSER_ERRNO(p) ((enum http_errno) (p)->http_errno)
struct http_parser {
/** PRIVATE **/
unsigned int type : 2; /* enum http_parser_type */
unsigned int flags : 8; /* F_* values from 'flags' enum; semi-public */
unsigned int state : 7; /* enum state from http_parser.c */
unsigned int header_state : 7; /* enum header_state from http_parser.c */
unsigned int index : 7; /* index into current matcher */
unsigned int lenient_http_headers : 1;
uint32_t nread; /* # bytes read in various scenarios */
uint64_t content_length; /* # bytes in body (0 if no Content-Length header) */
/** READ-ONLY **/
unsigned short http_major;
unsigned short http_minor;
unsigned int status_code : 16; /* responses only */
unsigned int method : 8; /* requests only */
unsigned int http_errno : 7;
/* 1 = Upgrade header was present and the parser has exited because of that.
* 0 = No upgrade header present.
* Should be checked when http_parser_execute() returns in addition to
* error checking.
*/
unsigned int upgrade : 1;
/** PUBLIC **/
void *data; /* A pointer to get hook to the "connection" or "socket" object */
};
struct http_parser_settings {
http_cb on_message_begin;
http_data_cb on_url;
http_data_cb on_status;
http_data_cb on_header_field;
http_data_cb on_header_value;
http_cb on_headers_complete;
http_data_cb on_body;
http_cb on_message_complete;
/* When on_chunk_header is called, the current chunk length is stored
* in parser->content_length.
*/
http_cb on_chunk_header;
http_cb on_chunk_complete;
};
enum http_parser_url_fields
{ UF_SCHEMA = 0
, UF_HOST = 1
, UF_PORT = 2
, UF_PATH = 3
, UF_QUERY = 4
, UF_FRAGMENT = 5
, UF_USERINFO = 6
, UF_MAX = 7
};
/* Result structure for http_parser_parse_url().
*
* Callers should index into field_data[] with UF_* values iff field_set
* has the relevant (1 << UF_*) bit set. As a courtesy to clients (and
* because we probably have padding left over), we convert any port to
* a uint16_t.
*/
struct http_parser_url {
uint16_t field_set; /* Bitmask of (1 << UF_*) values */
uint16_t port; /* Converted UF_PORT string */
struct {
uint16_t off; /* Offset into buffer in which field starts */
uint16_t len; /* Length of run in buffer */
} field_data[UF_MAX];
};
/* Returns the library version. Bits 16-23 contain the major version number,
* bits 8-15 the minor version number and bits 0-7 the patch level.
* Usage example:
*
* unsigned long version = http_parser_version();
* unsigned major = (version >> 16) & 255;
* unsigned minor = (version >> 8) & 255;
* unsigned patch = version & 255;
* printf("http_parser v%u.%u.%u\n", major, minor, patch);
*/
unsigned long http_parser_version(void);
void http_parser_init(http_parser *parser, enum http_parser_type type);
/* Initialize http_parser_settings members to 0
*/
void http_parser_settings_init(http_parser_settings *settings);
/* Executes the parser. Returns number of parsed bytes. Sets
* `parser->http_errno` on error. */
size_t http_parser_execute(http_parser *parser,
const http_parser_settings *settings,
const char *data,
size_t len);
/* If http_should_keep_alive() in the on_headers_complete or
* on_message_complete callback returns 0, then this should be
* the last message on the connection.
* If you are the server, respond with the "Connection: close" header.
* If you are the client, close the connection.
*/
int http_should_keep_alive(const http_parser *parser);
/* Returns a string version of the HTTP method. */
const char *http_method_str(enum http_method m);
/* Return a string name of the given error */
const char *http_errno_name(enum http_errno err);
/* Return a string description of the given error */
const char *http_errno_description(enum http_errno err);
/* Initialize all http_parser_url members to 0 */
void http_parser_url_init(struct http_parser_url *u);
/* Parse a URL; return nonzero on failure */
int http_parser_parse_url(const char *buf, size_t buflen,
int is_connect,
struct http_parser_url *u);
/* Pause or un-pause the parser; a nonzero value pauses */
void http_parser_pause(http_parser *parser, int paused);
/* Checks if this is the final chunk of the body. */
int http_body_is_final(const http_parser *parser);
#ifdef __cplusplus
}
#endif
#endif

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//
// 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_HTTP_IMPL_MESSAGE_IPP
#define BEAST_HTTP_IMPL_MESSAGE_IPP
#include <beast/http/chunk_encode.hpp>
#include <beast/http/type_check.hpp>
#include <beast/http/detail/writes.hpp>
#include <beast/http/detail/write_preparation.hpp>
#include <beast/http/rfc2616.hpp>
#include <boost/asio/buffer.hpp>
#include <condition_variable>
#include <mutex>
namespace beast {
namespace http {
template<bool isRequest, class Body, class Headers>
message<isRequest, Body, Headers>::
message()
{
static_assert(is_Body<Body>::value,
"Body requirements not met");
}
template<bool isRequest, class Body, class Headers>
message<isRequest, Body, Headers>::
message(request_params params)
{
static_assert(is_Body<Body>::value,
"Body requirements not met");
static_assert(isRequest, "message is not a request");
this->method = params.method;
this->url = std::move(params.url);
version = params.version;
}
template<bool isRequest, class Body, class Headers>
message<isRequest, Body, Headers>::
message(response_params params)
{
static_assert(is_Body<Body>::value,
"Body requirements not met");
static_assert(! isRequest, "message is not a response");
this->status = params.status;
this->reason = std::move(params.reason);
version = params.version;
}
template<bool isRequest, class Body, class Headers>
template<class Streambuf>
void
message<isRequest, Body, Headers>::
write_firstline(Streambuf& streambuf,
std::true_type) const
{
detail::write(streambuf, to_string(this->method));
detail::write(streambuf, " ");
detail::write(streambuf, this->url);
switch(version)
{
case 10:
detail::write(streambuf, " HTTP/1.0\r\n");
break;
case 11:
detail::write(streambuf, " HTTP/1.1\r\n");
break;
default:
detail::write(streambuf, " HTTP/");
detail::write(streambuf, version / 10);
detail::write(streambuf, ".");
detail::write(streambuf, version % 10);
detail::write(streambuf, "\r\n");
break;
}
}
template<bool isRequest, class Body, class Headers>
template<class Streambuf>
void
message<isRequest, Body, Headers>::
write_firstline(Streambuf& streambuf,
std::false_type) const
{
switch(version)
{
case 10:
detail::write(streambuf, "HTTP/1.0 ");
break;
case 11:
detail::write(streambuf, "HTTP/1.1 ");
break;
default:
detail::write(streambuf, " HTTP/");
detail::write(streambuf, version / 10);
detail::write(streambuf, ".");
detail::write(streambuf, version % 10);
detail::write(streambuf, " ");
break;
}
detail::write(streambuf, this->status);
detail::write(streambuf, " ");
detail::write(streambuf, this->reason);
detail::write(streambuf, "\r\n");
}
namespace detail {
template<class ConstBufferSequence>
std::string
buffers_to_string(ConstBufferSequence const& buffers)
{
using boost::asio::buffer_cast;
using boost::asio::buffer_size;
std::string s;
s.reserve(buffer_size(buffers));
for(auto const& b : buffers)
s.append(buffer_cast<char const*>(b),
buffer_size(b));
return s;
}
} // detail
// Diagnostic output only
template<bool isRequest, class Body, class Headers>
std::ostream&
operator<<(std::ostream& os,
message<isRequest, Body, Headers> const& msg)
{
static_assert(is_WritableBody<Body>::value,
"WritableBody requirements not met");
error_code ec;
detail::write_preparation<isRequest, Body, Headers> wp(msg);
wp.init(ec);
if(ec)
return os;
std::mutex m;
std::condition_variable cv;
bool ready = false;
resume_context resume{
[&]
{
std::lock_guard<std::mutex> lock(m);
ready = true;
cv.notify_one();
}};
auto copy = resume;
os << detail::buffers_to_string(wp.sb.data());
wp.sb.consume(wp.sb.size());
auto writef =
[&os, &wp](auto const& buffers)
{
if(wp.chunked)
os << detail::buffers_to_string(
chunk_encode(buffers));
else
os << detail::buffers_to_string(
buffers);
};
for(;;)
{
{
auto result = wp.w(std::move(copy), ec, writef);
if(ec)
return os;
if(result)
break;
if(boost::indeterminate(result))
{
copy = resume;
std::unique_lock<std::mutex> lock(m);
cv.wait(lock, [&]{ return ready; });
ready = false;
}
}
wp.sb.consume(wp.sb.size());
for(;;)
{
auto result = wp.w(std::move(copy), ec, writef);
if(ec)
return os;
if(result)
break;
if(boost::indeterminate(result))
{
copy = resume;
std::unique_lock<std::mutex> lock(m);
cv.wait(lock, [&]{ return ready; });
ready = false;
}
}
}
if(wp.chunked)
{
// VFALCO Unfortunately the current interface to the
// Writer concept prevents us from using coalescing the
// final body chunk with the final chunk delimiter.
//
// write final chunk
os << detail::buffers_to_string(chunk_encode_final());
if(ec)
return os;
}
os << std::endl;
return os;
}
//------------------------------------------------------------------------------
template<bool isRequest, class Body, class Headers>
void
set_connection(bool keep_alive,
message<isRequest, Body, Headers>& req)
{
if(req.version >= 11)
{
if(! keep_alive)
req.headers.replace("Connection", "close");
else
req.headers.erase("Connection");
}
else
{
if(keep_alive)
req.headers.replace("Connection", "keep-alive");
else
req.headers.erase("Connection");
}
}
template<class Body, class Headers,
class OtherBody, class OtherAllocator>
void
set_connection(bool keep_alive,
message<false, Body, Headers>& resp,
message<true, OtherBody, OtherAllocator> const& req)
{
if(req.version >= 11)
{
if(rfc2616::token_in_list(req["Connection"], "close"))
keep_alive = false;
}
else
{
if(! rfc2616::token_in_list(req["Connection"], "keep-alive"))
keep_alive = false;
}
set_connection(keep_alive, resp);
}
template<class Streambuf, class FieldSequence>
void
write_fields(Streambuf& streambuf, FieldSequence const& fields)
{
static_assert(is_Streambuf<Streambuf>::value,
"Streambuf requirements not met");
//static_assert(is_FieldSequence<FieldSequence>::value,
// "FieldSequence requirements not met");
for(auto const& field : fields)
{
detail::write(streambuf, field.name());
detail::write(streambuf, ": ");
detail::write(streambuf, field.value());
detail::write(streambuf, "\r\n");
}
}
template<bool isRequest, class Body, class Headers>
bool
is_keep_alive(message<isRequest, Body, Headers> const& msg)
{
if(msg.version >= 11)
{
if(rfc2616::token_in_list(
msg.headers["Connection"], "close"))
return false;
return true;
}
if(rfc2616::token_in_list(
msg.headers["Connection"], "keep-alive"))
return true;
return false;
}
template<bool isRequest, class Body, class Headers>
bool
is_upgrade(message<isRequest, Body, Headers> const& msg)
{
if(msg.version < 11)
return false;
if(rfc2616::token_in_list(
msg.headers["Connection"], "upgrade"))
return true;
return false;
}
} // http
} // beast
#include <beast/http/impl/message.ipp>
#endif

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//
// 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_HTTP_IMPL_READ_IPP_HPP
#define BEAST_HTTP_IMPL_READ_IPP_HPP
#include <beast/http/type_check.hpp>
#include <beast/async_completion.hpp>
#include <beast/bind_handler.hpp>
#include <beast/handler_alloc.hpp>
#include <cassert>
namespace beast {
namespace http {
namespace detail {
template<class Stream, class Streambuf,
bool isRequest, class Body, class Headers,
class Handler>
class read_op
{
using alloc_type =
handler_alloc<char, Handler>;
using parser_type =
parser<isRequest, Body, Headers>;
using message_type =
message<isRequest, Body, Headers>;
struct data
{
Stream& s;
Streambuf& sb;
message_type& m;
parser_type p;
Handler h;
bool cont;
int state = 0;
template<class DeducedHandler>
data(DeducedHandler&& h_, Stream& s_,
Streambuf& sb_, message_type& m_)
: s(s_)
, sb(sb_)
, m(m_)
, h(std::forward<DeducedHandler>(h_))
, cont(boost_asio_handler_cont_helpers::
is_continuation(h))
{
}
};
std::shared_ptr<data> d_;
public:
read_op(read_op&&) = default;
read_op(read_op const&) = default;
template<class DeducedHandler, class... Args>
read_op(DeducedHandler&& h, Stream&s, Args&&... args)
: d_(std::allocate_shared<data>(alloc_type{h},
std::forward<DeducedHandler>(h), s,
std::forward<Args>(args)...))
{
(*this)(error_code{}, 0, false);
}
void
operator()(error_code ec,
std::size_t bytes_transferred, bool again = true);
friend
auto asio_handler_allocate(
std::size_t size, read_op* op)
{
return boost_asio_handler_alloc_helpers::
allocate(size, op->d_->h);
}
friend
auto asio_handler_deallocate(
void* p, std::size_t size, read_op* op)
{
return boost_asio_handler_alloc_helpers::
deallocate(p, size, op->d_->h);
}
friend
auto asio_handler_is_continuation(read_op* op)
{
return op->d_->cont;
}
template <class Function>
friend
auto asio_handler_invoke(Function&& f, read_op* op)
{
return boost_asio_handler_invoke_helpers::
invoke(f, op->d_->h);
}
};
template<class Stream, class Streambuf,
bool isRequest, class Body, class Headers,
class Handler>
void
read_op<Stream, Streambuf, isRequest, Body, Headers, Handler>::
operator()(error_code ec, std::size_t bytes_transferred, bool again)
{
auto& d = *d_;
d.cont = d.cont || again;
while(d.state != 99)
{
switch(d.state)
{
case 0:
{
auto const used =
d.p.write(d.sb.data(), ec);
if(ec)
{
// call handler
d.state = 99;
d.s.get_io_service().post(
bind_handler(std::move(*this), ec, 0));
return;
}
d.sb.consume(used);
if(d.p.complete())
{
// call handler
d.state = 99;
d.m = d.p.release();
d.s.get_io_service().post(
bind_handler(std::move(*this), ec, 0));
return;
}
d.state = 1;
break;
}
case 1:
// read
d.state = 2;
d.s.async_read_some(d.sb.prepare(
read_size_helper(d.sb, 65536)),
std::move(*this));
return;
// got data
case 2:
{
if(ec == boost::asio::error::eof)
{
if(! d.p.started())
{
// call handler
d.state = 99;
break;
}
// Caller will see eof on next read.
ec = {};
d.p.write_eof(ec);
if(! ec)
{
assert(d.p.complete());
d.m = d.p.release();
}
// call handler
d.state = 99;
break;
}
if(ec)
{
// call handler
d.state = 99;
break;
}
d.sb.commit(bytes_transferred);
d.sb.consume(d.p.write(d.sb.data(), ec));
if(ec)
{
// call handler
d.state = 99;
break;
}
if(d.p.complete())
{
// call handler
d.state = 99;
d.m = d.p.release();
break;
}
d.state = 1;
break;
}
}
}
d.h(ec);
}
} // detail
//------------------------------------------------------------------------------
template<class SyncReadStream, class Streambuf,
bool isRequest, class Body, class Headers>
void
read(SyncReadStream& stream, Streambuf& streambuf,
message<isRequest, Body, Headers>& m,
error_code& ec)
{
static_assert(is_SyncReadStream<SyncReadStream>::value,
"SyncReadStream requirements not met");
static_assert(is_Streambuf<Streambuf>::value,
"Streambuf requirements not met");
static_assert(is_ReadableBody<Body>::value,
"ReadableBody requirements not met");
parser<isRequest, Body, Headers> p;
for(;;)
{
auto used =
p.write(streambuf.data(), ec);
if(ec)
return;
streambuf.consume(used);
if(p.complete())
{
m = p.release();
break;
}
streambuf.commit(stream.read_some(
streambuf.prepare(read_size_helper(
streambuf, 65536)), ec));
if(ec && ec != boost::asio::error::eof)
return;
if(ec == boost::asio::error::eof)
{
if(! p.started())
return;
// Caller will see eof on next read.
ec = {};
p.write_eof(ec);
if(ec)
return;
assert(p.complete());
m = p.release();
break;
}
}
}
template<class AsyncReadStream, class Streambuf,
bool isRequest, class Body, class Headers,
class CompletionToken>
auto
async_read(AsyncReadStream& stream, Streambuf& streambuf,
message<isRequest, Body, Headers>& m,
CompletionToken&& token)
{
static_assert(is_AsyncReadStream<AsyncReadStream>::value,
"AsyncReadStream requirements not met");
static_assert(is_Streambuf<Streambuf>::value,
"Streambuf requirements not met");
static_assert(is_ReadableBody<Body>::value,
"ReadableBody requirements not met");
beast::async_completion<CompletionToken,
void(error_code)> completion(token);
detail::read_op<AsyncReadStream, Streambuf,
isRequest, Body, Headers, decltype(
completion.handler)>{completion.handler,
stream, streambuf, m};
return completion.result.get();
}
} // http
} // beast
#endif

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//
// 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_HTTP_IMPL_WRITE_IPP
#define BEAST_HTTP_IMPL_WRITE_IPP
#include <beast/http/chunk_encode.hpp>
#include <beast/http/resume_context.hpp>
#include <beast/http/type_check.hpp>
#include <beast/http/detail/writes.hpp>
#include <beast/http/detail/write_preparation.hpp>
#include <beast/buffer_cat.hpp>
#include <beast/async_completion.hpp>
#include <beast/bind_handler.hpp>
#include <beast/handler_alloc.hpp>
#include <beast/streambuf.hpp>
#include <beast/type_check.hpp>
#include <boost/asio/write.hpp>
#include <boost/logic/tribool.hpp>
#include <condition_variable>
#include <mutex>
#include <type_traits>
namespace beast {
namespace http {
namespace detail {
template<class Stream, class Handler,
bool isRequest, class Body, class Headers>
class write_op
{
using alloc_type =
handler_alloc<char, Handler>;
struct data
{
Stream& s;
// VFALCO How do we use handler_alloc in write_preparation?
write_preparation<
isRequest, Body, Headers> wp;
Handler h;
resume_context resume;
resume_context copy;
bool cont;
int state = 0;
template<class DeducedHandler>
data(DeducedHandler&& h_, Stream& s_,
message<isRequest, Body, Headers> const& m_)
: s(s_)
, wp(m_)
, h(std::forward<DeducedHandler>(h_))
, cont(boost_asio_handler_cont_helpers::
is_continuation(h))
{
}
};
std::shared_ptr<data> d_;
public:
write_op(write_op&&) = default;
write_op(write_op const&) = default;
template<class DeducedHandler, class... Args>
write_op(DeducedHandler&& h, Stream& s, Args&&... args)
: d_(std::allocate_shared<data>(alloc_type{h},
std::forward<DeducedHandler>(h), s,
std::forward<Args>(args)...))
{
auto& d = *d_;
d.resume = {
[self = *this]() mutable
{
self.d_->cont = false;
auto& ios = self.d_->s.get_io_service();
ios.dispatch(bind_handler(std::move(self),
error_code{}, 0, false));
}};
d.copy = d.resume;
(*this)(error_code{}, 0, false);
}
explicit
write_op(std::shared_ptr<data> d)
: d_(std::move(d))
{
}
void
operator()(error_code ec,
std::size_t bytes_transferred, bool again = true);
friend
auto asio_handler_allocate(
std::size_t size, write_op* op)
{
return boost_asio_handler_alloc_helpers::
allocate(size, op->d_->h);
}
friend
auto asio_handler_deallocate(
void* p, std::size_t size, write_op* op)
{
return boost_asio_handler_alloc_helpers::
deallocate(p, size, op->d_->h);
}
friend
auto asio_handler_is_continuation(write_op* op)
{
return op->d_->cont;
}
template <class Function>
friend
auto asio_handler_invoke(Function&& f, write_op* op)
{
return boost_asio_handler_invoke_helpers::
invoke(f, op->d_->h);
}
};
template<class Stream, class Handler,
bool isRequest, class Body, class Headers>
void
write_op<Stream, Handler, isRequest, Body, Headers>::
operator()(error_code ec, std::size_t, bool again)
{
auto& d = *d_;
d.cont = d.cont || again;
while(! ec && d.state != 99)
{
switch(d.state)
{
case 0:
{
d.wp.init(ec);
if(ec)
{
// call handler
d.state = 99;
d.s.get_io_service().post(bind_handler(
std::move(*this), ec, 0, false));
return;
}
d.state = 1;
break;
}
case 1:
{
auto const result = d.wp.w(std::move(d.copy), ec,
[&](auto const& buffers)
{
// write headers and body
if(d.wp.chunked)
boost::asio::async_write(d.s,
buffer_cat(d.wp.sb.data(),
chunk_encode(buffers)),
std::move(*this));
else
boost::asio::async_write(d.s,
buffer_cat(d.wp.sb.data(),
buffers), std::move(*this));
});
if(ec)
{
// call handler
d.state = 99;
d.s.get_io_service().post(bind_handler(
std::move(*this), ec, false));
return;
}
if(boost::indeterminate(result))
{
// suspend
d.copy = d.resume;
return;
}
if(result)
d.state = d.wp.chunked ? 4 : 5;
else
d.state = 2;
return;
}
// sent headers and body
case 2:
d.wp.sb.consume(d.wp.sb.size());
d.state = 3;
break;
case 3:
{
auto const result = d.wp.w(std::move(d.copy), ec,
[&](auto const& buffers)
{
// write body
if(d.wp.chunked)
boost::asio::async_write(d.s,
chunk_encode(buffers),
std::move(*this));
else
boost::asio::async_write(d.s,
buffers, std::move(*this));
});
if(ec)
{
// call handler
d.state = 99;
break;
}
if(boost::indeterminate(result))
{
// suspend
d.copy = d.resume;
return;
}
if(result)
d.state = d.wp.chunked ? 4 : 5;
else
d.state = 2;
return;
}
case 4:
// VFALCO Unfortunately the current interface to the
// Writer concept prevents us from using coalescing the
// final body chunk with the final chunk delimiter.
//
// write final chunk
d.state = 5;
boost::asio::async_write(d.s,
chunk_encode_final(), std::move(*this));
return;
case 5:
if(d.wp.close)
{
// VFALCO TODO Decide on an error code
ec = boost::asio::error::eof;
}
d.state = 99;
break;
}
}
d.h(ec);
d.resume = {};
d.copy = {};
}
} // detail
//------------------------------------------------------------------------------
template<class SyncWriteStream,
bool isRequest, class Body, class Headers>
void
write(SyncWriteStream& stream,
message<isRequest, Body, Headers> const& msg,
boost::system::error_code& ec)
{
static_assert(is_WritableBody<Body>::value,
"WritableBody requirements not met");
detail::write_preparation<isRequest, Body, Headers> wp(msg);
wp.init(ec);
if(ec)
return;
std::mutex m;
std::condition_variable cv;
bool ready = false;
resume_context resume{
[&]
{
std::lock_guard<std::mutex> lock(m);
ready = true;
cv.notify_one();
}};
auto copy = resume;
for(;;)
{
{
auto result = wp.w(std::move(copy), ec,
[&](auto const& buffers)
{
// write headers and body
if(wp.chunked)
boost::asio::write(stream, buffer_cat(
wp.sb.data(), chunk_encode(buffers)), ec);
else
boost::asio::write(stream, buffer_cat(
wp.sb.data(), buffers), ec);
});
if(ec)
return;
if(result)
break;
if(boost::indeterminate(result))
{
boost::asio::write(stream, wp.sb.data(), ec);
if(ec)
return;
wp.sb.consume(wp.sb.size());
copy = resume;
std::unique_lock<std::mutex> lock(m);
cv.wait(lock, [&]{ return ready; });
ready = false;
}
}
wp.sb.consume(wp.sb.size());
for(;;)
{
auto result = wp.w(std::move(copy), ec,
[&](auto const& buffers)
{
// write body
if(wp.chunked)
boost::asio::write(stream,
chunk_encode(buffers), ec);
else
boost::asio::write(stream, buffers, ec);
});
if(ec)
return;
if(result)
break;
if(boost::indeterminate(result))
{
copy = resume;
std::unique_lock<std::mutex> lock(m);
cv.wait(lock, [&]{ return ready; });
ready = false;
}
}
}
if(wp.chunked)
{
// VFALCO Unfortunately the current interface to the
// Writer concept prevents us from using coalescing the
// final body chunk with the final chunk delimiter.
//
// write final chunk
boost::asio::write(stream, chunk_encode_final(), ec);
if(ec)
return;
}
if(wp.close)
{
// VFALCO TODO Decide on an error code
ec = boost::asio::error::eof;
}
}
template<class AsyncWriteStream,
bool isRequest, class Body, class Headers,
class CompletionToken>
auto
async_write(AsyncWriteStream& stream,
message<isRequest, Body, Headers> const& msg,
CompletionToken&& token)
{
static_assert(
is_AsyncWriteStream<AsyncWriteStream>::value,
"AsyncWriteStream requirements not met");
static_assert(is_WritableBody<Body>::value,
"WritableBody requirements not met");
beast::async_completion<CompletionToken,
void(error_code)> completion(token);
detail::write_op<AsyncWriteStream, decltype(completion.handler),
isRequest, Body, Headers>{completion.handler, stream, msg};
return completion.result.get();
}
} // http
} // beast
#endif