b2652beceb
* refactor: fix clang-tidy vector operation warnings Fix vector population performance-inefficient-vector-operation warnings generated by clang-tidy * refactor: fix clang-tidy emplace_back warnings In cases where a temporary is created to be passed to push_back(), replace it with emplace_back(). Warning: modernize-use-emplace * refactor: fix clang-tidy loop iteration warnings When practical, use range-based for loops instead of C-style for loops. clang-tiny check: modernize-loop-convert * refactor: fix clang-tidy string initialize warning Remove redundant empty string initialization. clang-tidy check: readability-redundant-string-init
100 lines
3.2 KiB
C++
100 lines
3.2 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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#include "shell/browser/net/resolve_proxy_helper.h"
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#include <utility>
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#include "base/bind.h"
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#include "content/public/browser/browser_thread.h"
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#include "content/public/browser/storage_partition.h"
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#include "mojo/public/cpp/bindings/interface_request.h"
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#include "net/proxy_resolution/proxy_info.h"
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#include "services/network/public/mojom/network_context.mojom.h"
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#include "shell/browser/atom_browser_context.h"
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using content::BrowserThread;
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namespace electron {
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ResolveProxyHelper::ResolveProxyHelper(AtomBrowserContext* browser_context)
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: binding_(this), browser_context_(browser_context) {}
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ResolveProxyHelper::~ResolveProxyHelper() {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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DCHECK(!owned_self_);
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DCHECK(!binding_.is_bound());
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// Clear all pending requests if the ProxyService is still alive.
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pending_requests_.clear();
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}
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void ResolveProxyHelper::ResolveProxy(const GURL& url,
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ResolveProxyCallback callback) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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// Enqueue the pending request.
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pending_requests_.emplace_back(url, std::move(callback));
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// If nothing is in progress, start.
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if (!binding_.is_bound()) {
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DCHECK_EQ(1u, pending_requests_.size());
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StartPendingRequest();
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}
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}
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void ResolveProxyHelper::StartPendingRequest() {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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DCHECK(!binding_.is_bound());
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DCHECK(!pending_requests_.empty());
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// Start the request.
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network::mojom::ProxyLookupClientPtr proxy_lookup_client;
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binding_.Bind(mojo::MakeRequest(&proxy_lookup_client));
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binding_.set_connection_error_handler(
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base::BindOnce(&ResolveProxyHelper::OnProxyLookupComplete,
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base::Unretained(this), net::ERR_ABORTED, base::nullopt));
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content::BrowserContext::GetDefaultStoragePartition(browser_context_)
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->GetNetworkContext()
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->LookUpProxyForURL(pending_requests_.front().url,
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std::move(proxy_lookup_client));
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}
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void ResolveProxyHelper::OnProxyLookupComplete(
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int32_t net_error,
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const base::Optional<net::ProxyInfo>& proxy_info) {
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DCHECK_CURRENTLY_ON(BrowserThread::UI);
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DCHECK(!pending_requests_.empty());
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binding_.Close();
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// Clear the current (completed) request.
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PendingRequest completed_request = std::move(pending_requests_.front());
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pending_requests_.pop_front();
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std::string proxy;
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if (proxy_info)
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proxy = proxy_info->ToPacString();
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if (!completed_request.callback.is_null())
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std::move(completed_request.callback).Run(proxy);
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// Start the next request.
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if (!pending_requests_.empty())
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StartPendingRequest();
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}
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ResolveProxyHelper::PendingRequest::PendingRequest(
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const GURL& url,
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ResolveProxyCallback callback)
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: url(url), callback(std::move(callback)) {}
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ResolveProxyHelper::PendingRequest::PendingRequest(
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ResolveProxyHelper::PendingRequest&& pending_request) = default;
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ResolveProxyHelper::PendingRequest::~PendingRequest() noexcept = default;
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ResolveProxyHelper::PendingRequest& ResolveProxyHelper::PendingRequest::
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operator=(ResolveProxyHelper::PendingRequest&& pending_request) noexcept =
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default;
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} // namespace electron
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