message NanoJPEGProtoMsg {
	// Input: experiment parameters
	// (client executes one experiment for every specified bit in the target register)

	// equivalence class start
	required uint32 instr_ecstart = 1;
	// FI at #instructions from experiment start
	required uint32 instr_offset = 2;
	// the exact IP value at this point in time (from golden run)
	optional uint32 instr_address = 3; // for sanity checks
	// ID of the register to inject faults into
	required uint32 register_id = 4;
	// bits to inject a bit flip into
	required int64 bitmask = 5;
	// timeout in ms
	required uint32 timeout = 6;

	// ----------------------------------------------------

	// Output: experiment results

	// IP where we did the injection: for debugging purposes, must be identical
	// to instr_address
	optional uint32 injection_ip = 8;

	repeated group Result = 9 {
		// single experiment bit number
		required uint32 bitnr = 1;

		// result type:
		// FINISHED = planned number of instructions were executed
		// BROKEN = finished, but resulting image is broken (dimensions)
		// TRAP = premature guest "crash"
		// OUTSIDE = IP left text segment
		// TIMEOUT = none of the above happened for /timeout/ ms
		enum ResultType {
			FINISHED = 1;
			BROKEN = 2;
			TRAP = 3;
			OUTSIDE = 4;
			OUTSIDEMEM = 5;
			TIMEOUT = 6;
			UNKNOWN = 7;
		}
		required ResultType resulttype = 2;

		// especially interesting for TRAP/UNKNOWN: latest IP
		required uint32 latest_ip = 3;

		// PSNR golden run <-> this run
		optional float psnr = 4;

		// optional textual description of what happened
		optional string details = 5;
	}
}