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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zencore/iohash.h>
#include <zencore/logging.h>
#include <zencore/refcount.h>
#include <zencore/thread.h>
#include <zenhttp/httpserver.h>
#include <atomic>
#include <chrono>
#include <list>
#include <memory>
#include <set>
#include <vector>
struct ZenCacheValue;
namespace cpr {
class Session;
}
namespace zen {
namespace detail {
struct CloudCacheSessionState;
}
class CbObjectView;
class CloudCacheClient;
class IoBuffer;
struct IoHash;
/**
* Cached access token, for use with `Authorization:` header
*/
struct CloudCacheAccessToken
{
using Clock = std::chrono::system_clock;
using TimePoint = Clock::time_point;
static constexpr int64_t ExpireMarginInSeconds = 30;
std::string Value;
TimePoint ExpireTime;
bool IsValid() const
{
return Value.empty() == false &&
ExpireMarginInSeconds < std::chrono::duration_cast<std::chrono::seconds>(ExpireTime - Clock::now()).count();
}
};
struct CloudCacheResult
{
IoBuffer Response;
int64_t Bytes{};
double ElapsedSeconds{};
int32_t ErrorCode{};
std::string Reason;
bool Success = false;
};
struct PutRefResult : CloudCacheResult
{
std::vector<IoHash> Needs;
};
struct FinalizeRefResult : CloudCacheResult
{
std::vector<IoHash> Needs;
};
struct CloudCacheExistsResult : CloudCacheResult
{
std::set<IoHash> Have;
};
/**
* Context for performing Jupiter operations
*
* Maintains an HTTP connection so that subsequent operations don't need to go
* through the whole connection setup process
*
*/
class CloudCacheSession
{
public:
CloudCacheSession(CloudCacheClient* CacheClient);
~CloudCacheSession();
CloudCacheResult Authenticate();
CloudCacheResult GetDerivedData(std::string_view BucketId, std::string_view Key);
CloudCacheResult GetDerivedData(std::string_view BucketId, const IoHash& Key);
CloudCacheResult GetRef(std::string_view BucketId, const IoHash& Key, ZenContentType RefType);
CloudCacheResult GetBlob(const IoHash& Key);
CloudCacheResult GetCompressedBlob(const IoHash& Key);
CloudCacheResult GetObject(const IoHash& Key);
CloudCacheResult PutDerivedData(std::string_view BucketId, std::string_view Key, IoBuffer DerivedData);
CloudCacheResult PutDerivedData(std::string_view BucketId, const IoHash& Key, IoBuffer DerivedData);
PutRefResult PutRef(std::string_view BucketId, const IoHash& Key, IoBuffer Ref, ZenContentType RefType);
CloudCacheResult PutBlob(const IoHash& Key, IoBuffer Blob);
CloudCacheResult PutCompressedBlob(const IoHash& Key, IoBuffer Blob);
CloudCacheResult PutObject(const IoHash& Key, IoBuffer Object);
FinalizeRefResult FinalizeRef(std::string_view BucketId, const IoHash& Key, const IoHash& RefHah);
CloudCacheResult RefExists(std::string_view BucketId, const IoHash& Key);
CloudCacheResult BlobExists(const IoHash& Key);
CloudCacheResult CompressedBlobExists(const IoHash& Key);
CloudCacheResult ObjectExists(const IoHash& Key);
CloudCacheExistsResult BlobExists(const std::set<IoHash>& Keys);
CloudCacheExistsResult CompressedBlobExists(const std::set<IoHash>& Keys);
CloudCacheExistsResult ObjectExists(const std::set<IoHash>& Keys);
CloudCacheResult PostComputeTasks(IoBuffer TasksData);
CloudCacheResult GetComputeUpdates(std::string_view ChannelId, const uint32_t WaitSeconds = 0);
CloudCacheResult GetObjectTree(const IoHash& Key);
std::vector<IoHash> Filter(std::string_view BucketId, const std::vector<IoHash>& ChunkHashes);
private:
inline spdlog::logger& Log() { return m_Log; }
cpr::Session& GetSession();
CloudCacheAccessToken GetAccessToken(bool RefreshToken = false);
bool VerifyAccessToken(long StatusCode);
CloudCacheResult CacheTypeExists(std::string_view TypeId, const IoHash& Key);
CloudCacheExistsResult CacheTypeExists(std::string_view TypeId, const std::set<IoHash>& Keys);
spdlog::logger& m_Log;
RefPtr<CloudCacheClient> m_CacheClient;
detail::CloudCacheSessionState* m_SessionState;
};
/**
* Access token provider interface
*/
class CloudCacheTokenProvider
{
public:
virtual ~CloudCacheTokenProvider() = default;
virtual CloudCacheAccessToken AcquireAccessToken() = 0;
static std::unique_ptr<CloudCacheTokenProvider> CreateFromStaticToken(CloudCacheAccessToken Token);
struct OAuthClientCredentialsParams
{
std::string_view Url;
std::string_view ClientId;
std::string_view ClientSecret;
};
static std::unique_ptr<CloudCacheTokenProvider> CreateFromOAuthClientCredentials(const OAuthClientCredentialsParams& Params);
static std::unique_ptr<CloudCacheTokenProvider> CreateFromCallback(std::function<CloudCacheAccessToken()>&& Callback);
};
struct CloudCacheClientOptions
{
std::string_view Name;
std::string_view ServiceUrl;
std::string_view DdcNamespace;
std::string_view BlobStoreNamespace;
std::string_view ComputeCluster;
std::chrono::milliseconds ConnectTimeout{5000};
std::chrono::milliseconds Timeout{};
bool UseLegacyDdc = false;
};
/**
* Jupiter upstream cache client
*/
class CloudCacheClient : public RefCounted
{
public:
CloudCacheClient(const CloudCacheClientOptions& Options, std::unique_ptr<CloudCacheTokenProvider> TokenProvider);
~CloudCacheClient();
CloudCacheAccessToken AcquireAccessToken();
std::string_view DdcNamespace() const { return m_DdcNamespace; }
std::string_view BlobStoreNamespace() const { return m_BlobStoreNamespace; }
std::string_view ComputeCluster() const { return m_ComputeCluster; }
std::string_view ServiceUrl() const { return m_ServiceUrl; }
spdlog::logger& Logger() { return m_Log; }
private:
spdlog::logger& m_Log;
std::string m_ServiceUrl;
std::string m_DdcNamespace;
std::string m_BlobStoreNamespace;
std::string m_ComputeCluster;
std::chrono::milliseconds m_ConnectTimeout{};
std::chrono::milliseconds m_Timeout{};
std::unique_ptr<CloudCacheTokenProvider> m_TokenProvider;
RwLock m_SessionStateLock;
std::list<detail::CloudCacheSessionState*> m_SessionStateCache;
detail::CloudCacheSessionState* AllocSessionState();
void FreeSessionState(detail::CloudCacheSessionState*);
friend class CloudCacheSession;
};
} // namespace zen
|