protobuff based server started

trunk
vilmibm 2022-07-07 17:07:03 -05:00
parent dc07b5d415
commit b1b2396578
5 changed files with 301 additions and 52 deletions

13
go.mod
View File

@ -1,3 +1,16 @@
module github.com/vilmibm/hermeticum module github.com/vilmibm/hermeticum
go 1.18 go 1.18
require (
google.golang.org/grpc v1.47.0
google.golang.org/protobuf v1.28.0
)
require (
github.com/golang/protobuf v1.5.2 // indirect
golang.org/x/net v0.0.0-20201021035429-f5854403a974 // indirect
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 // indirect
golang.org/x/text v0.3.3 // indirect
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
)

128
go.sum 100644
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@ -0,0 +1,128 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.mod h1:KJwIaB5Mv44NWtYuAOFCVOjcI94vtpEz2JU/D2v6IjE=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
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github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
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github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

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@ -0,0 +1,75 @@
syntax = "proto3";
option go_package = "github.com/vilmibm/hermeticum/proto";
package proto;
/*
In the existing code, there are a few classes of messages that get sent to the user:
- ACK of a meta operation (login, register, ping)
- ACK of a command (this is kind of useless, imo)
- Refresh to an object's state (used when editing objects)
- Refresh to the room state
- Message to print
these are mostly recreated below with the TODO of deciding on revision/object stuff (which I wasn't thrilled with in the alpha)
*/
service GameWorld {
rpc Register(AuthInfo) returns (SessionInfo);
rpc Login(AuthInfo) returns (SessionInfo);
rpc Commands(stream Command) returns (stream CommandAck);
rpc State(SessionInfo) returns (stream StateUpdate);
rpc Messages(SessionInfo) returns (stream ClientMessage);
rpc Map(SessionInfo) returns (MapData);
rpc Ping(SessionInfo) returns (Pong);
// TODO decide on how revisions / object editing in general should work
}
message AuthInfo {
string username = 1;
string password = 2;
}
message SessionInfo {
string sessionID = 1;
}
message StateUpdate {
// TODO
}
message Command {
string sessionInfo = 1;
string verb = 2;
string rest = 3;
}
message CommandAck {
bool acked = 1;
string errorMsg = 2;
}
message ClientMessage {
enum ClientMessageType {
WHISPER = 0; // someone or something sent a private message to user
OVERHEARD = 1; // someone or something in the same room said something out loud
EMOTE = 2; // someone or something in the same room performed an action
GENERIC = 3; // just a string that should be printed (ie, "you hear noises in a nearby room")
GLOBAL = 4; // the system sent out a PSA
}
ClientMessageType cmt = 1;
optional string speaker = 2;
}
message MapData {
string mapData = 1;
}
message Pong {
string when = 1; // timestamp of pong creation
}

85
server/cmd/main.go 100644
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@ -0,0 +1,85 @@
package main
import (
"context"
"flag"
"fmt"
"log"
"net"
"os"
"github.com/vilmibm/hermeticum/proto"
"google.golang.org/grpc"
)
var (
tls = flag.Bool("tls", false, "Connection uses TLS if true, else plain TCP")
certFile = flag.String("cert_file", "", "The TLS cert file")
keyFile = flag.String("key_file", "", "The TLS key file")
port = flag.Int("port", 6666, "The server port")
)
func _main() (err error) {
l, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
if err != nil {
return err
}
fmt.Printf("DBG %#v\n", l)
var opts []grpc.ServerOption
if *tls {
log.Fatal("tls unsupported")
/*
// TODO base some stuff on the data package in the examples to get tls working
if *certFile == "" {
*certFile = data.Path("x509/server_cert.pem")
}
if *keyFile == "" {
*keyFile = data.Path("x509/server_key.pem")
}
creds, err := credentials.NewServerTLSFromFile(*certFile, *keyFile)
if err != nil {
log.Fatalf("Failed to generate credentials %v", err)
}
opts = []grpc.ServerOption{grpc.Creds(creds)}
*/
}
grpcServer := grpc.NewServer(opts...)
proto.RegisterGameWorldServer(grpcServer, newServer())
grpcServer.Serve(l)
return nil
}
type gameWorldServer struct {
proto.UnimplementedGameWorldServer
}
func newServer() *gameWorldServer {
s := &gameWorldServer{}
return s
}
func (s *gameWorldServer) Ping(ctx context.Context, _ *proto.SessionInfo) (*proto.Pong, error) {
pong := &proto.Pong{
When: "TODO",
}
return pong, nil
}
func (s *gameWorldServer) Register(ctx context.Context, auth *proto.AuthInfo) (*proto.SessionInfo, error) {
// TODO
return nil, nil
}
// TODO other server functions
func main() {
err := _main()
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}

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@ -1,52 +0,0 @@
package main
import (
"fmt"
"net"
"os"
)
func _main() (err error) {
var listener net.Listener
listener, err = net.Listen("tcp", "127.0.0.1:6666")
if err != nil {
return
}
defer listener.Close()
for {
var conn net.Conn
conn, err = listener.Accept()
if err != nil {
// TODO log and continue
break
}
go handleConnection(conn)
}
return
}
func handleConnection(conn net.Conn) {
// TODO create a user session
fmt.Println("HI")
// TODO learn how to read from here -> protobuff
for {
var bs []byte
// TODO how to block here?
conn.Read(bs)
fmt.Printf("DBG %#v\n", string(bs))
}
}
func main() {
fmt.Println("hi lol")
err := _main()
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}