Communication Specification

File Access Service

Domain(s)
Space
System(s)
Satellite
Specialty
COMS
Profile(s)
CH, COMM, RP
Specification Type
Implementation
Citation(s)
Internal_Standard

The file access service, service type address 129 is used to read from or write to files within a file system. The currently defined file access service parameters are shown in the following table.

Service Type Service Subtype Subtype Description Cmd Tlm Service Parameters Data Types and Description
129 1 File System Directory Listing Request X   File_System_ID File_System_ID is an unsigned integer that identifies the file system. It is assumed there is only the root directory in the file systems for JAS so a directory identifier is not required
129 2 File System Directory Listing Report   X File_System_ID, Directory_List File_System_ID is an unsigned integer that identifies the file system. Directory_List is a null-terminated string which is contains a list of each file and attributes. Each file is a record separated by a ‘|’ (pipe) character and ends with a ‘ ‘ (newline) character. The fields and format of a single entry would look like “file_name|size|modification_time|create_time “.
129 3 File System Create Request X      
129 4 File_System Create Report   X    
129 5 File System Read Request X      
129 6 File System Read Report   X    
129 7 File System Write Request X      
129 8 File System Write Report   X    
129 9 File System Delete File Request X      
129 10 File System Delete File Report   X    
129 11 File System Move File Request X      
129 12 File System Move File Report   X    
129 13 File System Copy File Request X      
129 14 File System Copy File Report   X    

JAS File Access Service Parameters

Internal_Standard

"Internal Standards developed by Sandia National Laboratories". Experience Base, Sandia National Laboratories, Albuquerque, NM, 0000.