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// Copyright 2014 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 GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
#define GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "google_apis/gcm/base/gcm_export.h"
#include "google_apis/gcm/protocol/android_checkin.pb.h"
#include "google_apis/gcm/protocol/checkin.pb.h"
#include "net/base/backoff_entry.h"
#include "net/url_request/url_fetcher_delegate.h"
#include "url/gurl.h"
namespace net {
class URLRequestContextGetter;
}
namespace gcm {
class GCMStatsRecorder;
// Enables making check-in requests with the GCM infrastructure. When called
// with android_id and security_token both set to 0 it is an initial check-in
// used to obtain credentials. These should be persisted and used for subsequent
// check-ins.
class GCM_EXPORT CheckinRequest : public net::URLFetcherDelegate {
public:
// A callback function for the checkin request, accepting |checkin_response|
// protobuf.
typedef base::Callback<void(const checkin_proto::AndroidCheckinResponse&
checkin_response)> CheckinRequestCallback;
// Checkin request details.
struct GCM_EXPORT RequestInfo {
RequestInfo(uint64 android_id,
uint64 security_token,
const std::map<std::string, std::string>& account_tokens,
const std::string& settings_digest,
const checkin_proto::ChromeBuildProto& chrome_build_proto);
~RequestInfo();
// Android ID of the device.
uint64 android_id;
// Security token of the device.
uint64 security_token;
// Map of account OAuth2 tokens keyed by emails.
std::map<std::string, std::string> account_tokens;
// Digest of GServices settings on the device.
std::string settings_digest;
// Information of the Chrome build of this device.
checkin_proto::ChromeBuildProto chrome_build_proto;
};
CheckinRequest(const GURL& checkin_url,
const RequestInfo& request_info,
const net::BackoffEntry::Policy& backoff_policy,
const CheckinRequestCallback& callback,
net::URLRequestContextGetter* request_context_getter,
GCMStatsRecorder* recorder);
virtual ~CheckinRequest();
void Start();
// URLFetcherDelegate implementation.
virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
private:
// Schedules a retry attempt, informs the backoff of a previous request's
// failure when |update_backoff| is true.
void RetryWithBackoff(bool update_backoff);
net::URLRequestContextGetter* request_context_getter_;
CheckinRequestCallback callback_;
net::BackoffEntry backoff_entry_;
GURL checkin_url_;
scoped_ptr<net::URLFetcher> url_fetcher_;
const RequestInfo request_info_;
base::TimeTicks request_start_time_;
// Recorder that records GCM activities for debugging purpose. Not owned.
GCMStatsRecorder* recorder_;
base::WeakPtrFactory<CheckinRequest> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(CheckinRequest);
};
} // namespace gcm
#endif // GOOGLE_APIS_GCM_ENGINE_CHECKIN_REQUEST_H_
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