criu/protobuf/rpc.proto

message criu_page_server_info {
	optional string address = 1;
	optional int32 port = 2;
	optional int32 pid = 3;
}

message criu_opts {
	required int32 images_dir_fd	= 1;
	optional int32 pid		= 2; //if not set on dump, will dump requesting process

	optional bool leave_running	= 3;
	optional bool ext_unix_sk	= 4;
	optional bool tcp_established	= 5;
	optional bool evasive_devices	= 6;
	optional bool shell_job		= 7;
	optional bool file_locks	= 8;
	optional int32 log_level	= 9 [default = 2];
	optional string log_file	= 10;

	optional criu_page_server_info ps = 11;

	optional bool notify_scripts	= 12;

	optional string root		= 13;
	optional string parent_img	= 14;
	optional bool track_mem		= 15;
}

message criu_dump_resp {
	optional bool restored		= 1;
}

message criu_restore_resp {
	required int32 pid		= 1;
}

message criu_notify {
	optional string script		= 1;
}

enum criu_req_type {
	EMPTY		= 0;
	DUMP		= 1;
	RESTORE		= 2;
	CHECK		= 3;
	PRE_DUMP	= 4;
	PAGE_SERVER	= 5;

	NOTIFY		= 6;
}

/*
 * Request -- each type corresponds to must-be-there
 * request arguments of respective type
 */

message criu_req {
	required criu_req_type type	= 1;

	optional criu_opts opts	= 2;
	optional bool notify_success = 3;
}

/*
 * Responce -- it states whether the request was served
 * and additional request-specific informarion
 */

message criu_resp {
	required criu_req_type type	= 1;
	required bool success		= 2;

	optional criu_dump_resp	dump	= 3;
	optional criu_restore_resp restore = 4;
	optional criu_notify notify = 5;
	optional criu_page_server_info ps = 6;
}