FileRegistryService.h
1 
10 #ifndef WRENCH_FILEREGISTRYSERVICE_H
11 #define WRENCH_FILEREGISTRYSERVICE_H
12 
13 #include <set>
14 
15 #include <wrench/services/Service.h>
16 #include <wrench/services/network_proximity/NetworkProximityService.h>
17 #include <wrench/services/storage/StorageService.h>
18 #include <wrench/services/storage/storage_helpers/FileLocation.h>
19 
20 #include "FileRegistryServiceProperty.h"
21 #include "FileRegistryServiceMessagePayload.h"
22 
23 namespace wrench {
24 
25  class WorkflowFile;
26 
27  class StorageService;
28 
35  class FileRegistryService : public Service {
36 
37  private:
38  std::map <std::string, std::string> default_property_values = {
42  };
43 
44  std::map<std::string, double> default_messagepayload_values = {
53  };
54 
55  public:
56  // Public Constructor
57  explicit FileRegistryService(std::string hostname,
58  std::map <std::string, std::string> property_list = {},
59  std::map<std::string, double> messagepayload_list = {}
60  );
61 
62  /****************************/
64  /****************************/
65 
66  std::set<std::shared_ptr<FileLocation>> lookupEntry(WorkflowFile *file);
67 
68  std::map<double, std::shared_ptr<FileLocation>> lookupEntry(
69  WorkflowFile *file, std::string reference_host,
70  std::shared_ptr <NetworkProximityService> network_proximity_service);
71 
72  void addEntry(WorkflowFile *file, std::shared_ptr <FileLocation> location);
73 
74  void removeEntry(WorkflowFile *file, std::shared_ptr <FileLocation> location);
75 
76  /****************************/
78  /****************************/
79 
80 
81  /****************************/
83  /****************************/
84 
85  ~FileRegistryService() override;
86  /****************************/
88  /****************************/
89 
90  private:
91  friend class Simulation;
92 
93  void addEntryToDatabase(WorkflowFile *file, std::shared_ptr <FileLocation> location);
94 
95  bool removeEntryFromDatabase(WorkflowFile *file, std::shared_ptr <FileLocation> location);
96 
97  int main() override;
98 
99  bool processNextMessage();
100 
101  std::map<WorkflowFile *, std::set < std::shared_ptr < FileLocation>>>
102  entries;
103  };
104 
105 };
106 
107 #endif //WRENCH_FILEREGISTRYSERVICE_H
static const std::string ADD_ENTRY_ANSWER_MESSAGE_PAYLOAD
The number of bytes in the control message sent by the daemon to answer an entry addition request.
Definition: FileRegistryServiceMessagePayload.h:32
static const std::string REMOVE_ENTRY_REQUEST_MESSAGE_PAYLOAD
The number of bytes in the control message sent to the daemon to cause it to remove an entry.
Definition: FileRegistryServiceMessagePayload.h:35
static const std::string LOOKUP_COMPUTE_COST
The computational cost, in flops, of looking entries for a file.
Definition: FileRegistryServiceProperty.h:28
static const std::string DAEMON_STOPPED_MESSAGE_PAYLOAD
The number of bytes in the control message sent by the daemon to confirm it has terminated.
Definition: ServiceMessagePayload.h:33
static const std::string ADD_ENTRY_COMPUTE_COST
The computational cost, in flops, of adding, an entry for a file.
Definition: FileRegistryServiceProperty.h:34
A file registry service (a.k.a. replica catalog) that holds a database of which files are available a...
Definition: FileRegistryService.h:35
FileRegistryService(std::string hostname, std::map< std::string, std::string > property_list={}, std::map< std::string, double > messagepayload_list={})
Constructor.
Definition: FileRegistryService.cpp:38
static const std::string FILE_LOOKUP_ANSWER_MESSAGE_PAYLOAD
The number of bytes per file location returned in an answer sent by the daemon to answer a file locat...
Definition: FileRegistryServiceMessagePayload.h:27
static const std::string REMOVE_ENTRY_ANSWER_MESSAGE_PAYLOAD
The number of bytes in the control message sent by the daemon to answer an entry removal request.
Definition: FileRegistryServiceMessagePayload.h:37
Definition: Alarm.cpp:20
static const std::string FILE_LOOKUP_REQUEST_MESSAGE_PAYLOAD
The number of bytes in a request control message sent to the daemon to request a list of file locatio...
Definition: FileRegistryServiceMessagePayload.h:25
static const std::string ADD_ENTRY_REQUEST_MESSAGE_PAYLOAD
The number of bytes in the control message sent to the daemon to cause it to add an entry.
Definition: FileRegistryServiceMessagePayload.h:30
static const std::string STOP_DAEMON_MESSAGE_PAYLOAD
The number of bytes in the control message sent to the daemon to terminate it.
Definition: ServiceMessagePayload.h:31
A class that provides basic simulation methods. Once the simulation object has been explicitly or imp...
Definition: Simulation.h:46
static const std::string REMOVE_ENTRY_COMPUTE_COST
The computational cost, in flops, of removing an entry for a file.
Definition: FileRegistryServiceProperty.h:40
A service that can be added to the simulation and that can be used by a WMS when executing a workflow...
Definition: Service.h:26
A data file used/produced by a WorkflowTask in a Workflow.
Definition: WorkflowFile.h:26