syntax = "proto3"; package eos.fusex; message md { enum OP { GET = 0; SET = 1; DELETE = 2; GETCAP = 3; LS = 4; GETLK = 5; SETLK = 6; SETLKW = 7; BEGINFLUSH = 8; ENDFLUSH = 9;} enum TYPE { MD = 0; MDLS = 1; EXCL = 2;} enum FLAG { NONE = 0; DELETEVERSIONS = 1; NORECYCLEBIN = 2; DELETEVERSIONSNORECYCLEBIN = 3;} fixed64 id = 1; //< file/container id fixed64 pid = 2; //< parent id fixed64 ctime = 3 ; //< change time fixed64 ctime_ns = 4 ; //< ns of creation time fixed64 mtime = 5 ; //< modification time | deletion time fixed64 mtime_ns = 6 ; //< ns of modification time fixed64 atime = 7 ; //< access time fixed64 atime_ns = 8 ; //< ns of access time fixed64 btime = 9 ; //< birth time fixed64 btime_ns = 10; //< ns of birth time fixed64 ttime = 11 ; //< tree modification time fixed64 ttime_ns = 12; //< ns of tree modification time fixed64 pmtime = 13 ; //< parent modification time fixed64 pmtime_ns = 14; //< ns of parent modification time fixed64 size = 15 ; //< size sfixed32 uid = 16 ; //< user id sfixed32 gid = 17 ; //< group id sfixed32 mode = 18 ; //< mode sfixed32 nlink = 19 ; //< nlink bytes name = 20 ; //< name bytes target = 21 ; //< symlink target string authid = 22 ; //< strong security auth id string clientid = 23 ; //< string identifying a client string clientuuid = 24; //< optional string of a temporary client id fixed64 clock = 25 ; //< vector clock fixed64 reqid = 26 ; //< request ID fixed64 md_ino = 27 ; //< central namespace inode fixed64 md_pino = 28 ; //< central namespace parent inode OP operation = 29 ; //< indicates operations to execute TYPE type = 30 ; //< indicates the content of this recored, just MD or MD+children sfixed32 err = 31 ; //< errno concerning md record map attr = 32; //< xattribute map map children = 33; //< children's name and id // children id is a virtual inode on when stored FUSE client side // children id is the physical inode when created on server side cap capability = 34; //< optional response capability string implied_authid = 35; //< implied auth id from a create call lock flock = 36; //< file lock information sfixed32 nchildren = 37; //< number of children bytes fullpath = 38; //< current path to file/dir fixed64 pt_mtime = 39 ; //< modification time for the parent directory fixed64 pt_mtime_ns= 40 ; //< ns of modification time for the parent directory bool creator = 41; //< indicates we are the creator of this md record string mv_authid = 42; //< indicates the authid applying to the source directory of a mv fixed64 bc_time = 43; //< indicates the reception time of a broadcasted md record FLAG opflags = 44; //< indicates a flag for an operation }; message md_state { sfixed32 op = 1; sfixed32 lookup_cnt = 2; sfixed32 cap_cnt = 3; sfixed32 opendir_cnt = 4; bool lock_remote = 5; bool refresh = 6; bool rmrf = 7; fixed64 inline_size = 8; map todelete = 9; map children = 10; map enoent = 11; }; message md_map { map md_map_ = 1; }; message dir { fixed64 id = 1; //< container id repeated string linked = 2; repeated string unlinked = 3; }; message io { fixed64 id = 1; //< file id fixed64 offset = 2; //< offset fixed64 length = 3; //< length fixed64 clock = 4; //< vector clock }; message quota { fixed64 inode_quota = 1 ; //< free inode quota fixed64 volume_quota = 2; //< free bytes quota fixed64 quota_inode = 3; //< inode of the quota node }; message cap { fixed64 id = 1; //< file/container fixed32 mode = 2; //< granted mode fixed64 vtime = 3; //< valid until unix timestamp fixed64 vtime_ns = 4; //< valid ns resolution sfixed32 uid = 5 ; //< user id sfixed32 gid = 6 ; //< group id string clientuuid = 7; //< client uuid string clientid = 8; //< client id string authid = 9; //< auth id fixed32 errc = 10; //< error code fixed64 clock = 11 ; //< vector clock of the file/container fixed64 max_file_size = 12; //< maximum file size quota _quota = 13; //< quota information for this cap }; message cap_map { map cap_map_ = 1; }; message heartbeat { enum ProtVersion { PROTOCOLV1 = 0; PROTOCOLV2 = 1; PROTOCOLV3 = 2; PROTOCOLV4 = 3; PROTOCOLV5 = 4;} string name = 1; //< client chosen ID string host = 2; //< client host string uuid = 3; //< client uuid string version = 4; //< client version fixed32 pid = 5; //< client pid fixed64 starttime = 6; //< client startup time fixed64 clock = 7; //< client clock ns when sending fixed64 clock_ns = 8; //< client clock ns when sending double delta = 9; //< client delta after arrival ProtVersion protversion = 10; map authextension = 11; // < map of authids to extend lifetime by seconds map authrevocation = 12; // < map of authids to revoke - pair of authid/unused fixed32 leasetime = 13; bool shutdown = 14; string mount = 15; //< client mount path bool automounted = 16; //< indicate if autofs mount or not string log = 17; //< client logs string trace = 18; //< client stacktrace string appname = 19; // < client app name } message statistics { fixed64 inodes = 1; //< client inodes fixed64 inodes_todelete = 2; //< client inodes to delete fixed64 inodes_backlog = 3; //< client inodes backlog fixed64 inodes_ever = 4; //< client inodes ever used fixed64 inodes_ever_deleted = 5; //< client inodes ever deleted fixed32 threads = 6; //< client threads in use float vsize_mb = 7; //< client virtual memory usage in mb float rss_mb = 8; //< client resident memory usage in mb fixed32 open_files = 9; //< files currently open on a client float total_ram_mb = 10;//< total usable ram size float free_ram_mb = 11; //< total free ram size float load1 = 12; //< load value 1 fixed64 rbytes = 13; //< number of bytes read since start fixed64 wbytes = 14; //< number of bytes written since start float rd_rate_60_mb = 15; //< read rate in 1m window in mb/s float wr_rate_60_mb = 16; //< write rate in 1m window in mb/s fixed64 nio = 17; //< total number of io's float iops_60 = 18; //< average ios in 1m window float wr_buf_mb = 19; //< write buffer in use float ra_buf_mb = 20; //< read-ahead buffer in use fixed64 xoff = 21; //< xoff conditions counter fixed64 raxoff = 22; //< read-ahead buffer xoff fixed64 ranobuf = 23; //< read-ahead buffer no buffer available fixed32 pid = 24; //< process ID of eosxd fixed64 logfilesize = 25; //< size of log file fixed64 wrnobuf = 26; //< write buffer no buffer available float blockedms = 27; //< max time in ms an inode tracking mutex is held in a lock string blockedfunc = 28; //< function with is blocked for ms fixed32 recovery_ok = 29; // < number of recoveries ok fixed32 recovery_fail = 30; // < number of recoveries failed fixed32 blockedops = 31; // < number of blocking operations bool blockedroot = 32; // < indicate if operation on / is blocking } message container { enum Type { HEARTBEAT = 0; STATISTICS = 1; MD = 2; DIR = 3; MDMAP = 4; CAP = 5; } // Identifies which field is filled in. Type type = 1; // One of the following will be filled in. heartbeat heartbeat_ = 2; statistics statistics_ = 3; md md_ = 4; dir dir_ = 5; md_map md_map_ = 6; fixed64 ref_inode_ = 7; cap cap_ = 8; cap_map cap_map_ = 9; } message evict { string reason = 1; //< reason given by server } message ack { enum Code { OK = 0; TMP_FAILURE = 1; PERMANENT_FAILURE = 2; } Code code = 1; //< ack code fixed64 transactionid = 2; //< transaction id to ack fixed32 err_no = 3; //< error number fixed64 md_ino = 4; //< newly created inode number string err_msg = 5; //< error message } message lease { enum Type { RELEASECAP = 0; } Type type = 1; fixed64 md_ino = 2; //< inode number string clientid = 3; //< clientid string authid = 4; //< authid } message dentry { enum Type { ADD = 0; REMOVE = 1;} Type type = 1; fixed64 md_ino = 2; //< inode number bytes name = 3; //< entry name to delete string clientid = 4; //< clientid string authid = 5; //< authid fixed64 pt_mtime = 6 ; //< modification time for the parent directory fixed64 pt_mtime_ns= 7 ; //< ns of modification time for the parent directory } message refresh { fixed64 md_ino = 1; //< inode number } message lock { enum Type { RDLCK = 0; WRLCK = 1; UNLCK = 2; } Type type = 1; //< type of lock fixed64 start = 2; //< offset of lock area fixed64 len = 3; //< length of lock area fixed64 pid = 4; //< owner of the lock fixed32 err_no = 5; //< errno from locking call } message config { fixed32 hbrate = 1; //< heartbeat interval for this client bool dentrymessaging = 2; //< enables dentry invalidation by extra message bool writesizeflush = 3; //< allows clients to use writesize flush interval ~= infinite string serverversion = 4; //< software version of the server bool appname = 5; //< supports extended app names like fuse::smaba not only fuse bool mdquery = 6; //< supports fetchResponseQuery bool hideversion = 7; //< supports clients hiding versions ( can delete version server side ) } message response { enum Type { EVICT = 0; ACK = 1; LEASE = 2; LOCK = 3; MD = 4; DROPCAPS = 5; CONFIG = 6; NONE = 7; CAP = 8; DENTRY = 9; REFRESH = 10; } // Identifies which field is filled in. Type type = 1; // One of the following will be filled in. evict evict_ = 2; ack ack_ = 3; lease lease_ = 4; lock lock_ = 5; md md_ = 6; config config_ = 7; cap cap_ = 8; dentry dentry_ = 9; refresh refresh_ = 10; }