syntax = "proto3";

import "google/protobuf/empty.proto";

import "firecracker.proto";

option go_package = "fccontrol";

service Firecracker {
    // Runs new Firecracker VM instance
    rpc CreateVM(CreateVMRequest) returns (CreateVMResponse);

    // Pauses a VM
    rpc PauseVM(PauseVMRequest) returns (google.protobuf.Empty);

    // Resumes a VM
    rpc ResumeVM(ResumeVMRequest) returns (google.protobuf.Empty);

    // Stops existing Firecracker instance by VM ID
    rpc StopVM(StopVMRequest) returns (google.protobuf.Empty);

    // Returns VM info by VM ID
    rpc GetVMInfo(GetVMInfoRequest) returns (GetVMInfoResponse);

    // Sets VM's instance metadata
    rpc SetVMMetadata(SetVMMetadataRequest) returns (google.protobuf.Empty);

    // Update Vm's instance metadata
    rpc UpdateVMMetadata(UpdateVMMetadataRequest) returns (google.protobuf.Empty);

    // Get Vm's instance metadata
    rpc GetVMMetadata(GetVMMetadataRequest) returns (GetVMMetadataResponse);    

    // Get balloon configuration
    rpc GetBalloonConfig(GetBalloonConfigRequest) returns (GetBalloonConfigResponse); 

    // Update balloon's memory
    rpc UpdateBalloon(UpdateBalloonRequest) returns (google.protobuf.Empty); 
    
    // Gets a balloon device statistics
    rpc GetBalloonStats(GetBalloonStatsRequest) returns(GetBalloonStatsResponse);

    // Updates a balloon device statistics polling interval.
    rpc UpdateBalloonStats(UpdateBalloonStatsRequest) returns(google.protobuf.Empty);
}