1 // Copyright (c) 2019 Cloudflare, Inc. and contributors 2 // Licensed under the MIT License: 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a copy 5 // of this software and associated documentation files (the "Software"), to deal 6 // in the Software without restriction, including without limitation the rights 7 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 // copies of the Software, and to permit persons to whom the Software is 9 // furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 // THE SOFTWARE. 21 22 #pragma once 23 // Bridges from KJ HTTP to Cap'n Proto HTTP-over-RPC. 24 25 #include <capnp/compat/http-over-capnp.capnp.h> 26 #include <kj/compat/http.h> 27 #include <kj/map.h> 28 #include "byte-stream.h" 29 30 namespace capnp { 31 32 class HttpOverCapnpFactory { 33 public: 34 HttpOverCapnpFactory(ByteStreamFactory& streamFactory, 35 kj::HttpHeaderTable::Builder& headerTableBuilder); 36 37 kj::Own<kj::HttpService> capnpToKj(capnp::HttpService::Client rpcService); 38 capnp::HttpService::Client kjToCapnp(kj::Own<kj::HttpService> service); 39 40 private: 41 ByteStreamFactory& streamFactory; 42 kj::HttpHeaderTable& headerTable; 43 kj::Array<capnp::CommonHeaderName> nameKjToCapnp; 44 kj::Array<kj::HttpHeaderId> nameCapnpToKj; 45 kj::Array<kj::StringPtr> valueCapnpToKj; 46 kj::HashMap<kj::StringPtr, capnp::CommonHeaderValue> valueKjToCapnp; 47 48 class RequestState; 49 50 class CapnpToKjWebSocketAdapter; 51 class KjToCapnpWebSocketAdapter; 52 53 class ClientRequestContextImpl; 54 class KjToCapnpHttpServiceAdapter; 55 56 class ServerRequestContextImpl; 57 class CapnpToKjHttpServiceAdapter; 58 59 kj::HttpHeaders headersToKj(capnp::List<capnp::HttpHeader>::Reader capnpHeaders) const; 60 // Returned headers may alias into `capnpHeaders`. 61 62 capnp::Orphan<capnp::List<capnp::HttpHeader>> headersToCapnp( 63 const kj::HttpHeaders& headers, capnp::Orphanage orphanage); 64 }; 65 66 } // namespace capnp 67