services/ping/proto/ping.proto

syntax = "proto3";

package ping;

option go_package = "./proto;ping";

service Ping {
	rpc Ip(IpRequest) returns (IpResponse) {}
	rpc Url(UrlRequest) returns (UrlResponse) {}
	rpc Tcp(TcpRequest) returns (TcpResponse) {}
}

// Ping an IP address
message IpRequest {
	// address to ping
	string address = 1;
}

message IpResponse {
	// response status
	string status = 1;
	// average latency e.g 10ms
	string latency = 2;
}

// Ping a HTTP URL
message UrlRequest {
	// address to use
	string address = 1;
	// method of the call
	string method = 2;
}

message UrlResponse {
	// the response status
	string status = 1;
	// the response code
	int32 code = 2;
}

// Ping a TCP port is open
message TcpRequest {
	// address to dial
	string address = 1;
	// optional data to send
	string data = 2;
}

message TcpResponse {
	// response status
	string status = 1;
	// response data if any
	string data = 2;
}