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Unified Diff: net/proxy/proxy_script_decider.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/proxy/proxy_script_decider.h
diff --git a/net/proxy/proxy_script_decider.h b/net/proxy/proxy_script_decider.h
deleted file mode 100644
index 99bb9954e1605aa6eea0a7e35723746be996f2f1..0000000000000000000000000000000000000000
--- a/net/proxy/proxy_script_decider.h
+++ /dev/null
@@ -1,207 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_PROXY_PROXY_SCRIPT_DECIDER_H_
-#define NET_PROXY_PROXY_SCRIPT_DECIDER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/strings/string16.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "net/base/address_list.h"
-#include "net/base/completion_callback.h"
-#include "net/base/net_export.h"
-#include "net/base/net_log.h"
-#include "net/dns/host_resolver.h"
-#include "net/dns/single_request_host_resolver.h"
-#include "net/proxy/proxy_config.h"
-#include "net/proxy/proxy_resolver.h"
-#include "url/gurl.h"
-
-namespace net {
-
-class DhcpProxyScriptFetcher;
-class NetLogParameter;
-class ProxyResolver;
-class ProxyScriptFetcher;
-
-// ProxyScriptDecider is a helper class used by ProxyService to determine which
-// PAC script to use given our proxy configuration.
-//
-// This involves trying to use PAC scripts in this order:
-//
-// (1) WPAD (DHCP) if auto-detect is on.
-// (2) WPAD (DNS) if auto-detect is on.
-// (3) Custom PAC script if a URL was given.
-//
-// If no PAC script was successfully selected, then it fails with either a
-// network error, or PAC_SCRIPT_FAILED (indicating it did not pass our
-// validation).
-//
-// On successful completion, the fetched PAC script data can be accessed using
-// script_data().
-//
-// Deleting ProxyScriptDecider while Init() is in progress, will
-// cancel the request.
-//
-class NET_EXPORT_PRIVATE ProxyScriptDecider {
- public:
- // |proxy_script_fetcher|, |dhcp_proxy_script_fetcher| and
- // |net_log| must remain valid for the lifespan of ProxyScriptDecider.
- ProxyScriptDecider(ProxyScriptFetcher* proxy_script_fetcher,
- DhcpProxyScriptFetcher* dhcp_proxy_script_fetcher,
- NetLog* net_log);
-
- // Aborts any in-progress request.
- ~ProxyScriptDecider();
-
- // Evaluates the effective proxy settings for |config|, and downloads the
- // associated PAC script.
- // If |wait_delay| is positive, the initialization will pause for this
- // amount of time before getting started.
- // On successful completion, the "effective" proxy settings we ended up
- // deciding on will be available vial the effective_settings() accessor.
- // Note that this may differ from |config| since we will have stripped any
- // manual settings, and decided whether to use auto-detect or the custom PAC
- // URL. Finally, if auto-detect was used we may now have resolved that to a
- // specific script URL.
- int Start(const ProxyConfig& config,
- const base::TimeDelta wait_delay,
- bool fetch_pac_bytes,
- const net::CompletionCallback& callback);
-
- const ProxyConfig& effective_config() const;
-
- // TODO(eroman): Return a const-pointer.
- ProxyResolverScriptData* script_data() const;
-
- void set_quick_check_enabled(bool enabled) {
- quick_check_enabled_ = enabled;
- }
-
- bool quick_check_enabled() const { return quick_check_enabled_; }
-
- private:
- // Represents the sources from which we can get PAC files; two types of
- // auto-detect or a custom URL.
- struct PacSource {
- enum Type {
- WPAD_DHCP,
- WPAD_DNS,
- CUSTOM
- };
-
- PacSource(Type type, const GURL& url)
- : type(type), url(url) {}
-
- // Returns a Value representing the PacSource. |effective_pac_url| must
- // be non-NULL and point to the URL derived from information contained in
- // |this|, if Type is not WPAD_DHCP.
- base::Value* NetLogCallback(const GURL* effective_pac_url,
- NetLog::LogLevel log_level) const;
-
- Type type;
- GURL url; // Empty unless |type == PAC_SOURCE_CUSTOM|.
- };
-
- typedef std::vector<PacSource> PacSourceList;
-
- enum State {
- STATE_NONE,
- STATE_WAIT,
- STATE_WAIT_COMPLETE,
- STATE_QUICK_CHECK,
- STATE_QUICK_CHECK_COMPLETE,
- STATE_FETCH_PAC_SCRIPT,
- STATE_FETCH_PAC_SCRIPT_COMPLETE,
- STATE_VERIFY_PAC_SCRIPT,
- STATE_VERIFY_PAC_SCRIPT_COMPLETE,
- };
-
- // Returns ordered list of PAC urls to try for |config|.
- PacSourceList BuildPacSourcesFallbackList(const ProxyConfig& config) const;
-
- void OnIOCompletion(int result);
- int DoLoop(int result);
- void DoCallback(int result);
-
- int DoWait();
- int DoWaitComplete(int result);
-
- int DoQuickCheck();
- int DoQuickCheckComplete(int result);
-
- int DoFetchPacScript();
- int DoFetchPacScriptComplete(int result);
-
- int DoVerifyPacScript();
- int DoVerifyPacScriptComplete(int result);
-
- // Tries restarting using the next fallback PAC URL:
- // |pac_sources_[++current_pac_source_index]|.
- // Returns OK and rewinds the state machine when there
- // is something to try, otherwise returns |error|.
- int TryToFallbackPacSource(int error);
-
- // Gets the initial state (we skip fetching when the
- // ProxyResolver doesn't |expect_pac_bytes()|.
- State GetStartState() const;
-
- void DetermineURL(const PacSource& pac_source, GURL* effective_pac_url);
-
- // Returns the current PAC URL we are fetching/testing.
- const PacSource& current_pac_source() const;
-
- void OnWaitTimerFired();
- void DidComplete();
- void Cancel();
-
- ProxyScriptFetcher* proxy_script_fetcher_;
- DhcpProxyScriptFetcher* dhcp_proxy_script_fetcher_;
-
- net::CompletionCallback callback_;
-
- size_t current_pac_source_index_;
-
- // Filled when the PAC script fetch completes.
- base::string16 pac_script_;
-
- // Flag indicating whether the caller requested a mandatory pac script
- // (i.e. fallback to direct connections are prohibited).
- bool pac_mandatory_;
-
- // Whether we have an existing custom PAC URL.
- bool have_custom_pac_url_;
-
- PacSourceList pac_sources_;
- State next_state_;
-
- BoundNetLog net_log_;
-
- bool fetch_pac_bytes_;
-
- base::TimeDelta wait_delay_;
- base::OneShotTimer<ProxyScriptDecider> wait_timer_;
-
- // Whether to do DNS quick check
- bool quick_check_enabled_;
-
- // Results.
- ProxyConfig effective_config_;
- scoped_refptr<ProxyResolverScriptData> script_data_;
-
- AddressList wpad_addresses_;
- base::OneShotTimer<ProxyScriptDecider> quick_check_timer_;
- scoped_ptr<SingleRequestHostResolver> host_resolver_;
- base::Time quick_check_start_time_;
-
- DISALLOW_COPY_AND_ASSIGN(ProxyScriptDecider);
-};
-
-} // namespace net
-
-#endif // NET_PROXY_PROXY_SCRIPT_DECIDER_H_
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