my-chat_-server/proto/file.proto

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; 
    optional 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; 
    map<string, FileDownloadData> file_data = 4;//文件ID与文件数据的映射map
}

message PutSingleFileReq {
    string request_id = 1; //请求ID，作为处理流程唯一标识
    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; //返回了文件组织的元信息
}

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);
}