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// Copyright (c) 2019 Cloudflare, Inc. and contributors
// Licensed under the MIT License:
//
// 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.
#pragma once
// Bridges from KJ HTTP to Cap'n Proto HTTP-over-RPC.
#include <capnp/compat/http-over-capnp.capnp.h>
#include <kj/compat/http.h>
#include <kj/map.h>
#include "byte-stream.h"
CAPNP_BEGIN_HEADER
namespace capnp {
class HttpOverCapnpFactory {
public:
class HeaderIdBundle {
public:
HeaderIdBundle(kj::HttpHeaderTable::Builder& builder);
HeaderIdBundle clone() const;
private:
HeaderIdBundle(const kj::HttpHeaderTable& table, kj::Array<kj::HttpHeaderId> nameCapnpToKj,
size_t maxHeaderId);
// Constructor for clone().
const kj::HttpHeaderTable& table;
kj::Array<kj::HttpHeaderId> nameCapnpToKj;
size_t maxHeaderId = 0;
friend class HttpOverCapnpFactory;
};
HttpOverCapnpFactory(ByteStreamFactory& streamFactory, HeaderIdBundle headerIds);
kj::Own<kj::HttpService> capnpToKj(capnp::HttpService::Client rpcService);
capnp::HttpService::Client kjToCapnp(kj::Own<kj::HttpService> service);
private:
ByteStreamFactory& streamFactory;
const kj::HttpHeaderTable& headerTable;
kj::Array<capnp::CommonHeaderName> nameKjToCapnp;
kj::Array<kj::HttpHeaderId> nameCapnpToKj;
kj::Array<kj::StringPtr> valueCapnpToKj;
kj::HashMap<kj::StringPtr, capnp::CommonHeaderValue> valueKjToCapnp;
class RequestState;
class CapnpToKjWebSocketAdapter;
class KjToCapnpWebSocketAdapter;
class ClientRequestContextImpl;
class KjToCapnpHttpServiceAdapter;
class ServerRequestContextImpl;
class CapnpToKjHttpServiceAdapter;
kj::HttpHeaders headersToKj(capnp::List<capnp::HttpHeader>::Reader capnpHeaders) const;
// Returned headers may alias into `capnpHeaders`.
capnp::Orphan<capnp::List<capnp::HttpHeader>> headersToCapnp(
const kj::HttpHeaders& headers, capnp::Orphanage orphanage);
};
} // namespace capnp
CAPNP_END_HEADER