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syntax = "proto3";
package filer_pb;
option go_package = "github.com/chrislusf/seaweedfs/weed/pb/filer_pb";
option java_package = "seaweedfs.client";
option java_outer_classname = "FilerProto";
//////////////////////////////////////////////////
service SeaweedFiler {
rpc LookupDirectoryEntry (LookupDirectoryEntryRequest) returns (LookupDirectoryEntryResponse) {
}
rpc ListEntries (ListEntriesRequest) returns (stream ListEntriesResponse) {
}
rpc CreateEntry (CreateEntryRequest) returns (CreateEntryResponse) {
}
rpc UpdateEntry (UpdateEntryRequest) returns (UpdateEntryResponse) {
}
rpc AppendToEntry (AppendToEntryRequest) returns (AppendToEntryResponse) {
}
rpc DeleteEntry (DeleteEntryRequest) returns (DeleteEntryResponse) {
}
rpc AtomicRenameEntry (AtomicRenameEntryRequest) returns (AtomicRenameEntryResponse) {
}
rpc StreamRenameEntry (StreamRenameEntryRequest) returns (stream StreamRenameEntryResponse) {
}
rpc AssignVolume (AssignVolumeRequest) returns (AssignVolumeResponse) {
}
rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
}
rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
}
rpc DeleteCollection (DeleteCollectionRequest) returns (DeleteCollectionResponse) {
}
rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
}
rpc GetFilerConfiguration (GetFilerConfigurationRequest) returns (GetFilerConfigurationResponse) {
}
rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc SubscribeLocalMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
}
rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
}
rpc LocateBroker (LocateBrokerRequest) returns (LocateBrokerResponse) {
}
rpc KvGet (KvGetRequest) returns (KvGetResponse) {
}
rpc KvPut (KvPutRequest) returns (KvPutResponse) {
}
rpc CacheRemoteObjectToLocalCluster (CacheRemoteObjectToLocalClusterRequest) returns (CacheRemoteObjectToLocalClusterResponse) {
}
}
//////////////////////////////////////////////////
message LookupDirectoryEntryRequest {
string directory = 1;
string name = 2;
}
message LookupDirectoryEntryResponse {
Entry entry = 1;
}
message ListEntriesRequest {
string directory = 1;
string prefix = 2;
string startFromFileName = 3;
bool inclusiveStartFrom = 4;
uint32 limit = 5;
}
message ListEntriesResponse {
Entry entry = 1;
}
message RemoteEntry {
string storage_name = 1;
int64 last_local_sync_ts_ns = 2;
string remote_e_tag = 3;
int64 remote_mtime = 4;
int64 remote_size = 5;
}
message Entry {
string name = 1;
bool is_directory = 2;
repeated FileChunk chunks = 3;
FuseAttributes attributes = 4;
map<string, bytes> extended = 5;
bytes hard_link_id = 7;
int32 hard_link_counter = 8; // only exists in hard link meta data
bytes content = 9; // if not empty, the file content
RemoteEntry remote_entry = 10;
}
message FullEntry {
string dir = 1;
Entry entry = 2;
}
message EventNotification {
Entry old_entry = 1;
Entry new_entry = 2;
bool delete_chunks = 3;
string new_parent_path = 4;
bool is_from_other_cluster = 5;
repeated int32 signatures = 6;
}
message FileChunk {
string file_id = 1; // to be deprecated
int64 offset = 2;
uint64 size = 3;
int64 mtime = 4;
string e_tag = 5;
string source_file_id = 6; // to be deprecated
FileId fid = 7;
FileId source_fid = 8;
bytes cipher_key = 9;
bool is_compressed = 10;
bool is_chunk_manifest = 11; // content is a list of FileChunks
}
message FileChunkManifest {
repeated FileChunk chunks = 1;
}
message FileId {
uint32 volume_id = 1;
uint64 file_key = 2;
fixed32 cookie = 3;
}
message FuseAttributes {
uint64 file_size = 1;
int64 mtime = 2; // unix time in seconds
uint32 file_mode = 3;
uint32 uid = 4;
uint32 gid = 5;
int64 crtime = 6; // unix time in seconds
string mime = 7;
string replication = 8;
string collection = 9;
int32 ttl_sec = 10;
string user_name = 11; // for hdfs
repeated string group_name = 12; // for hdfs
string symlink_target = 13;
bytes md5 = 14;
string disk_type = 15;
}
message CreateEntryRequest {
string directory = 1;
Entry entry = 2;
bool o_excl = 3;
bool is_from_other_cluster = 4;
repeated int32 signatures = 5;
}
message CreateEntryResponse {
string error = 1;
}
message UpdateEntryRequest {
string directory = 1;
Entry entry = 2;
bool is_from_other_cluster = 3;
repeated int32 signatures = 4;
}
message UpdateEntryResponse {
}
message AppendToEntryRequest {
string directory = 1;
string entry_name = 2;
repeated FileChunk chunks = 3;
}
message AppendToEntryResponse {
}
message DeleteEntryRequest {
string directory = 1;
string name = 2;
// bool is_directory = 3;
bool is_delete_data = 4;
bool is_recursive = 5;
bool ignore_recursive_error = 6;
bool is_from_other_cluster = 7;
repeated int32 signatures = 8;
}
message DeleteEntryResponse {
string error = 1;
}
message AtomicRenameEntryRequest {
string old_directory = 1;
string old_name = 2;
string new_directory = 3;
string new_name = 4;
repeated int32 signatures = 5;
}
message AtomicRenameEntryResponse {
}
message StreamRenameEntryRequest {
string old_directory = 1;
string old_name = 2;
string new_directory = 3;
string new_name = 4;
repeated int32 signatures = 5;
}
message StreamRenameEntryResponse {
string directory = 1;
EventNotification event_notification = 2;
int64 ts_ns = 3;
}
message AssignVolumeRequest {
int32 count = 1;
string collection = 2;
string replication = 3;
int32 ttl_sec = 4;
string data_center = 5;
string path = 6;
string rack = 7;
string disk_type = 8;
}
message AssignVolumeResponse {
string file_id = 1;
int32 count = 4;
string auth = 5;
string collection = 6;
string replication = 7;
string error = 8;
Location location = 9;
}
message LookupVolumeRequest {
repeated string volume_ids = 1;
}
message Locations {
repeated Location locations = 1;
}
message Location {
string url = 1;
string public_url = 2;
uint32 grpc_port = 3;
}
message LookupVolumeResponse {
map<string, Locations> locations_map = 1;
}
message Collection {
string name = 1;
}
message CollectionListRequest {
bool include_normal_volumes = 1;
bool include_ec_volumes = 2;
}
message CollectionListResponse {
repeated Collection collections = 1;
}
message DeleteCollectionRequest {
string collection = 1;
}
message DeleteCollectionResponse {
}
message StatisticsRequest {
string replication = 1;
string collection = 2;
string ttl = 3;
string disk_type = 4;
}
message StatisticsResponse {
uint64 total_size = 4;
uint64 used_size = 5;
uint64 file_count = 6;
}
message GetFilerConfigurationRequest {
}
message GetFilerConfigurationResponse {
repeated string masters = 1;
string replication = 2;
string collection = 3;
uint32 max_mb = 4;
string dir_buckets = 5;
bool cipher = 7;
int32 signature = 8;
string metrics_address = 9;
int32 metrics_interval_sec = 10;
string version = 11;
string cluster_id = 12;
}
message SubscribeMetadataRequest {
string client_name = 1;
string path_prefix = 2;
int64 since_ns = 3;
int32 signature = 4;
repeated string path_prefixes = 6;
}
message SubscribeMetadataResponse {
string directory = 1;
EventNotification event_notification = 2;
int64 ts_ns = 3;
}
message LogEntry {
int64 ts_ns = 1;
int32 partition_key_hash = 2;
bytes data = 3;
}
message KeepConnectedRequest {
string name = 1;
uint32 grpc_port = 2;
repeated string resources = 3;
}
message KeepConnectedResponse {
}
message LocateBrokerRequest {
string resource = 1;
}
message LocateBrokerResponse {
bool found = 1;
// if found, send the exact address
// if not found, send the full list of existing brokers
message Resource {
string grpc_addresses = 1;
int32 resource_count = 2;
}
repeated Resource resources = 2;
}
/////////////////////////
// Key-Value operations
/////////////////////////
message KvGetRequest {
bytes key = 1;
}
message KvGetResponse {
bytes value = 1;
string error = 2;
}
message KvPutRequest {
bytes key = 1;
bytes value = 2;
}
message KvPutResponse {
string error = 1;
}
/////////////////////////
// path-based configurations
/////////////////////////
message FilerConf {
int32 version = 1;
message PathConf {
string location_prefix = 1;
string collection = 2;
string replication = 3;
string ttl = 4;
string disk_type = 5;
bool fsync = 6;
uint32 volume_growth_count = 7;
bool read_only = 8;
}
repeated PathConf locations = 2;
}
/////////////////////////
// Remote Storage related
/////////////////////////
message CacheRemoteObjectToLocalClusterRequest {
string directory = 1;
string name = 2;
}
message CacheRemoteObjectToLocalClusterResponse {
Entry entry = 1;
}
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