/*
    文件操作服务器的子服务注册信息： /service/file/instance_id
        服务名称：/service/file
        实例ID: instance_id     每个能够提供用户操作服务的子服务器唯一ID
    当服务发现的时候，通过 /service/file 进行服务发现，就可以发现所有的能够提供用户操作的实例信息了
*/
syntax = "proto3";
package bite_im;
import "base.proto";

option cc_generic_services = true;


message GetSingleFileReq {
    string request_id = 1;
    string file_id = 2;
    optional string user_id = 3;
    optional string session_id = 4;
}
message GetSingleFileRsp {
    string request_id = 1;
    bool success = 2;
    string errmsg = 3; 
    FileDownloadData file_data = 4;
}

message GetMultiFileReq {
    string request_id = 1;
    optional string user_id = 2;
    optional string session_id = 3;
    repeated string file_id_list = 4;
}
message GetMultiFileRsp {
    string request_id = 1;
    bool success = 2;
    string errmsg = 3; 
    repeated FileDownloadData file_data = 4;
}

message PutSingleFileReq {
    string request_id = 1;
    optional string user_id = 2;
    optional string session_id = 3;
    FileUploadData file_data = 4;
}
message PutSingleFileRsp {
    string request_id = 1;
    bool success = 2;
    string errmsg = 3;
    FileMessageInfo file_info = 4;
}

message PutMultiFileReq {
    string request_id = 1;
    optional string user_id = 2;
    optional string session_id = 3;
    repeated FileUploadData file_data = 4;
}
message PutMultiFileRsp {
    string request_id = 1;
    bool success = 2;
    string errmsg = 3; 
    repeated FileMessageInfo file_info = 4;
}

service FileService {
    rpc GetSingleFile(GetSingleFileReq) returns (GetSingleFileRsp);
    rpc GetMultiFile(GetMultiFileReq) returns (GetMultiFileRsp);
    rpc PutSingleFile(PutSingleFileReq) returns (PutSingleFileRsp);
    rpc PutMultiFile(PutMultiFileReq) returns (PutMultiFileRsp);
}