1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_CRONET_ANDROID_CRONET_CONTEXT_ADAPTER_H_
#define COMPONENTS_CRONET_ANDROID_CRONET_CONTEXT_ADAPTER_H_
#include <jni.h>
#include <stdint.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
#include "base/containers/queue.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/threading/thread.h"
#include "components/cronet/cronet_context.h"
#include "components/prefs/json_pref_store.h"
#include "net/base/completion_once_callback.h"
#include "net/base/network_handle.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/nqe/effective_connection_type.h"
#include "net/nqe/effective_connection_type_observer.h"
#include "net/nqe/network_quality_estimator.h"
#include "net/nqe/network_quality_observation_source.h"
#include "net/nqe/rtt_throughput_estimates_observer.h"
namespace net {
class NetLog;
class URLRequestContext;
} // namespace net
namespace cronet {
class TestUtil;
struct URLRequestContextConfig;
// Adapter between Java CronetUrlRequestContext and CronetContext.
class CronetContextAdapter : public CronetContext::Callback {
public:
explicit CronetContextAdapter(
std::unique_ptr<URLRequestContextConfig> context_config);
CronetContextAdapter(const CronetContextAdapter&) = delete;
CronetContextAdapter& operator=(const CronetContextAdapter&) = delete;
~CronetContextAdapter() override;
// Called on init Java thread to initialize URLRequestContext.
void InitRequestContextOnInitThread(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jcaller);
// Releases all resources for the request context and deletes the object.
// Blocks until network thread is destroyed after running all pending tasks.
void Destroy(JNIEnv* env);
// Posts a task that might depend on the context being initialized
// to the network thread.
void PostTaskToNetworkThread(const base::Location& posted_from,
base::OnceClosure callback);
bool IsOnNetworkThread() const;
net::URLRequestContext* GetURLRequestContext(
net::handles::NetworkHandle network =
net::handles::kInvalidNetworkHandle);
// TODO(xunjieli): Keep only one version of StartNetLog().
// Starts NetLog logging to file. This can be called on any thread.
// Return false if |jfile_name| cannot be opened.
bool StartNetLogToFile(JNIEnv* env,
const base::android::JavaParamRef<jstring>& jfile_name,
jboolean jlog_all);
// Starts NetLog logging to disk with a bounded amount of disk space. This
// can be called on any thread.
void StartNetLogToDisk(JNIEnv* env,
const base::android::JavaParamRef<jstring>& jdir_name,
jboolean jlog_all,
jint jmax_size);
// Stops NetLog logging to file. This can be called on any thread. This will
// flush any remaining writes to disk.
void StopNetLog(JNIEnv* env);
void FlushWritePropertiesForTesting(JNIEnv* env);
// Default net::LOAD flags used to create requests.
int default_load_flags() const;
// Called on init Java thread to initialize URLRequestContext.
void InitRequestContextOnInitThread();
// Configures the network quality estimator to observe requests to localhost,
// to use smaller responses when estimating throughput, and to disable the
// device offline checks when computing the effective connection type or when
// writing the prefs. This should only be used for testing. This can be
// called only after the network quality estimator has been enabled.
void ConfigureNetworkQualityEstimatorForTesting(
JNIEnv* env,
jboolean use_local_host_requests,
jboolean use_smaller_responses,
jboolean disable_offline_check);
bool URLRequestContextExistsForTesting(jlong network);
// Request that RTT and/or throughput observations should or should not be
// provided by the network quality estimator.
void ProvideRTTObservations(JNIEnv* env, bool should);
void ProvideThroughputObservations(JNIEnv* env, bool should);
CronetContext* cronet_url_request_context() const { return context_; }
// CronetContext::Callback
void OnInitNetworkThread() override;
void OnDestroyNetworkThread() override;
void OnEffectiveConnectionTypeChanged(
net::EffectiveConnectionType effective_connection_type) override;
void OnRTTOrThroughputEstimatesComputed(
int32_t http_rtt_ms,
int32_t transport_rtt_ms,
int32_t downstream_throughput_kbps) override;
void OnRTTObservation(int32_t rtt_ms,
int32_t timestamp_ms,
net::NetworkQualityObservationSource source) override;
void OnThroughputObservation(
int32_t throughput_kbps,
int32_t timestamp_ms,
net::NetworkQualityObservationSource source) override;
void OnStopNetLogCompleted() override;
void OnBeforeTunnelRequest(
int chain_id,
net::ProxyDelegate::OnBeforeTunnelRequestCallback callback) override;
bool OnTunnelHeadersReceived(
int chain_id,
const net::HttpResponseHeaders& response_headers) override;
private:
friend class TestUtil;
// Native Cronet URL Request Context.
raw_ptr<CronetContext> context_;
// Java object that owns this CronetContextAdapter.
base::android::ScopedJavaGlobalRef<jobject> jcronet_url_request_context_;
};
} // namespace cronet
#endif // COMPONENTS_CRONET_ANDROID_CRONET_CONTEXT_ADAPTER_H_
|
