feat: migrate protocol module to NetworkService (Part 4) (#18084)
* Parse stream protocol handler * Pipe node stream to mojo * Merge the parser for headers * Add ToDict helper to simplify code * Simplify dispatching logic * Add an experimental API for returning any type of response * Fix subscribing event * URL loaders' lifetime is independent of the factory * HandleError helper is no longer needed * Rename "SendResponse" => "StartLoading" to follow naming conventions * Delete when connection error happens * Fix cpplint warning
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6 changed files with 453 additions and 169 deletions
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atom/browser/net/node_stream_loader.h
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atom/browser/net/node_stream_loader.h
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// Copyright (c) 2019 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_NET_NODE_STREAM_LOADER_H_
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#define ATOM_BROWSER_NET_NODE_STREAM_LOADER_H_
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#include <map>
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#include <string>
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#include <vector>
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#include "mojo/public/cpp/bindings/strong_binding.h"
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#include "services/network/public/mojom/url_loader.mojom.h"
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#include "v8/include/v8.h"
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namespace mate {
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class Arguments;
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}
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namespace atom {
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class NodeStreamLoader : public network::mojom::URLLoader {
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public:
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NodeStreamLoader(network::ResourceResponseHead head,
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network::mojom::URLLoaderRequest loader,
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network::mojom::URLLoaderClientPtr client,
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v8::Isolate* isolate,
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v8::Local<v8::Object> emitter);
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private:
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~NodeStreamLoader() override;
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using EventCallback = base::RepeatingCallback<void(mate::Arguments* args)>;
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// URLLoader:
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void FollowRedirect(const std::vector<std::string>& removed_headers,
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const net::HttpRequestHeaders& modified_headers,
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const base::Optional<GURL>& new_url) override {}
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void ProceedWithResponse() override {}
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void SetPriority(net::RequestPriority priority,
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int32_t intra_priority_value) override {}
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void PauseReadingBodyFromNet() override {}
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void ResumeReadingBodyFromNet() override {}
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// JS bindings.
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void On(const char* event, EventCallback callback);
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void OnData(mate::Arguments* args);
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void OnEnd(mate::Arguments* args);
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void OnError(mate::Arguments* args);
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// This class manages its own lifetime and should delete itself when the
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// connection is lost or finished.
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//
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// The code is updated with `content::FileURLLoader`.
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void OnConnectionError();
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void MaybeDeleteSelf();
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mojo::Binding<network::mojom::URLLoader> binding_;
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network::mojom::URLLoaderClientPtr client_;
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v8::Isolate* isolate_;
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v8::Global<v8::Object> emitter_;
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// Pipes for communicating between Node and NetworkService.
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mojo::ScopedDataPipeProducerHandle producer_;
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// Store the V8 callbacks to unsubscribe them later.
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std::map<std::string, v8::Global<v8::Value>> handlers_;
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base::WeakPtrFactory<NodeStreamLoader> weak_factory_;
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DISALLOW_COPY_AND_ASSIGN(NodeStreamLoader);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_NET_NODE_STREAM_LOADER_H_
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