75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// Copyright (c) 2018 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_RESOLVE_PROXY_HELPER_H_
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#define ATOM_BROWSER_NET_RESOLVE_PROXY_HELPER_H_
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#include <deque>
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#include <string>
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#include "base/memory/ref_counted.h"
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#include "base/optional.h"
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#include "mojo/public/cpp/bindings/binding.h"
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#include "services/network/public/mojom/proxy_lookup_client.mojom.h"
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#include "url/gurl.h"
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namespace atom {
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class AtomBrowserContext;
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class ResolveProxyHelper
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: public base::RefCountedThreadSafe<ResolveProxyHelper>,
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network::mojom::ProxyLookupClient {
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public:
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using ResolveProxyCallback = base::Callback<void(std::string)>;
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explicit ResolveProxyHelper(AtomBrowserContext* browser_context);
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void ResolveProxy(const GURL& url, const ResolveProxyCallback& callback);
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protected:
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~ResolveProxyHelper() override;
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private:
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friend class base::RefCountedThreadSafe<ResolveProxyHelper>;
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// A PendingRequest is a resolve request that is in progress, or queued.
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struct PendingRequest {
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public:
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PendingRequest(const GURL& url, const ResolveProxyCallback& callback);
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PendingRequest(PendingRequest&& pending_request) noexcept;
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~PendingRequest();
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PendingRequest& operator=(PendingRequest&& pending_request) noexcept;
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GURL url;
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ResolveProxyCallback callback;
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private:
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DISALLOW_COPY_AND_ASSIGN(PendingRequest);
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};
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// Starts the first pending request.
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void StartPendingRequest();
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// network::mojom::ProxyLookupClient implementation.
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void OnProxyLookupComplete(
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int32_t net_error,
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const base::Optional<net::ProxyInfo>& proxy_info) override;
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// Self-reference. Owned as long as there's an outstanding proxy lookup.
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scoped_refptr<ResolveProxyHelper> owned_self_;
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std::deque<PendingRequest> pending_requests_;
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// Binding for the currently in-progress request, if any.
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mojo::Binding<network::mojom::ProxyLookupClient> binding_;
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// Weak Ref
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AtomBrowserContext* browser_context_;
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DISALLOW_COPY_AND_ASSIGN(ResolveProxyHelper);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_NET_RESOLVE_PROXY_HELPER_H_
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