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Cherry picked relevant chunked transfer encoding commits from master by umennel · Pull Request #833 · cpp-netlib/cpp-netlib · GitHub
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Cherry picked relevant chunked transfer encoding commits from master #833

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Merged
deanberris merged 10 commits into from
Apr 3, 2018
Merged

Cherry picked relevant chunked transfer encoding commits from master #833

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16f5c9d
Introduced new chunked transfer encoding parser to remove chunk marke…
umennel Dec 14, 2016
32cc7a1
Applied new remove chunk markers option to tests.
umennel Dec 14, 2016
8bf0742
Nicer formatting
umennel Dec 15, 2016
4a059fe
Use strongly typed enum.
umennel Dec 15, 2016
1289f48
Clarified and commented expression.
umennel Dec 16, 2016
6dbceb2
Removed commented lines.
umennel Dec 18, 2016
76b4ebf
Nicer formatting and clean ups
umennel Mar 23, 2017
e14fe25
Fix compilation errors with VS2015 (#762)
umennel Oct 17, 2017
c8048e0
Enable remove_chunk_markers by default. Fix a bug and add a comment.
igorpeshansky Mar 15, 2018
1117da4
Removed setting chunk markers option to default value
umennel Mar 31, 2018
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Removed commented lines.
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@umennel
umennel committed Mar 31, 2018
commit 6dbceb27ba43409cc78e6bc2738311ae382f1dee
54 changes: 16 additions & 38 deletions boost/network/protocol/http/client/connection/async_normal.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -433,8 +433,11 @@ struct http_async_connection

// The invocation of the callback is synchronous to allow us to
// wait before scheduling another read.
callback(make_iterator_range(begin, end), ec);

if (this->is_chunk_encoding && remove_chunk_markers_) {
callback(parse_chunk_encoding(make_iterator_range(begin, end)), ec);
} else {
callback(make_iterator_range(begin, end), ec);
}
auto self = this->shared_from_this();
delegate_->read_some(
boost::asio::mutable_buffers_1(this->part.data(),
Expand Down Expand Up @@ -473,7 +476,11 @@ struct http_async_connection
// We call the callback function synchronously passing the error
// condition (in this case, end of file) so that it can handle it
// appropriately.
callback(make_iterator_range(begin, end), ec);
if (this->is_chunk_encoding && remove_chunk_markers_) {
callback(parse_chunk_encoding(make_iterator_range(begin, end)), ec);
} else {
callback(make_iterator_range(begin, end), ec);
}
} else {
string_type body_string;
if (this->is_chunk_encoding && remove_chunk_markers_) {
Expand All @@ -490,9 +497,7 @@ struct http_async_connection
this->body_promise.set_value(body_string);
} else {
std::swap(body_string, this->partial_parsed);
auto it = this->part.begin();
std::advance(it, bytes_transferred);
body_string.append(this->part.begin(), it);
body_string.append(this->part.begin(), this->part.begin() + bytes_transferred);
this->body_promise.set_value(body_string);
}
}
Expand All @@ -514,7 +519,11 @@ struct http_async_connection
this->part.begin();
typename protocol_base::buffer_type::const_iterator end = begin;
std::advance(end, bytes_transferred);
callback(make_iterator_range(begin, end), ec);
if (this->is_chunk_encoding && remove_chunk_markers_) {
callback(parse_chunk_encoding(make_iterator_range(begin, end)), ec);
} else {
callback(make_iterator_range(begin, end), ec);
}
auto self = this->shared_from_this();
delegate_->read_some(
boost::asio::mutable_buffers_1(this->part.data(),
Expand Down Expand Up @@ -577,37 +586,6 @@ struct http_async_connection
}
}

string_type parse_chunk_encoding(string_type& body_string) {
string_type body;
string_type crlf = "\r\n";

typename string_type::iterator begin = body_string.begin();
for (typename string_type::iterator iter =
std::search(begin, body_string.end(), crlf.begin(), crlf.end());
iter != body_string.end();
iter =
std::search(begin, body_string.end(), crlf.begin(), crlf.end())) {
string_type line(begin, iter);
if (line.empty()) {
break;
}
std::stringstream stream(line);
int len;
stream >> std::hex >> len;
std::advance(iter, 2);
if (len == 0) {
break;
}
if (len <= body_string.end() - iter) {
body.insert(body.end(), iter, iter + len);
std::advance(iter, len + 2);
}
begin = iter;
}

return body;
}

int timeout_;
bool remove_chunk_markers_;
boost::asio::steady_timer timer_;
Expand Down