From 31ff98b1e78689cd70f39fb5d593d0635efcb968 Mon Sep 17 00:00:00 2001 From: CEF Server Date: Tue, 27 Aug 2024 19:09:27 +0000 Subject: [PATCH] switch to redis pubsub for communication --- Dockerfile | 2 +- cmd/grumble/server.go | 77 ++++++++++++++++++++++--------------------- go.mod | 12 +++++-- go.sum | 57 ++++++-------------------------- 4 files changed, 61 insertions(+), 87 deletions(-) diff --git a/Dockerfile b/Dockerfile index d976431..841b3fc 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,4 +1,4 @@ -FROM golang:1.14-alpine as builder +FROM golang:1.22-alpine as builder COPY . /go/src/mumble.info/grumble diff --git a/cmd/grumble/server.go b/cmd/grumble/server.go index 4e1d95e..d5badf2 100644 --- a/cmd/grumble/server.go +++ b/cmd/grumble/server.go @@ -17,7 +17,6 @@ import ( "fmt" "github.com/golang-jwt/jwt/v5" "hash" - "io" "log" "net" "net/http" @@ -29,6 +28,7 @@ import ( "time" "github.com/golang/protobuf/proto" + "github.com/redis/go-redis/v9" "mumble.info/grumble/pkg/acl" "mumble.info/grumble/pkg/ban" "mumble.info/grumble/pkg/freezer" @@ -129,7 +129,9 @@ type Server struct { *log.Logger // CEF - ergo net.Conn + ergo net.Conn + redisContext context.Context + redis *redis.Client } type clientLogForwarder struct { @@ -145,12 +147,8 @@ func (lf clientLogForwarder) Write(incoming []byte) (int, error) { return len(incoming), nil } -func (server *Server) ergoMessage(action string, ircChannel string, user string, extra ...string) { - if server.ergo == nil { - return - } - str := fmt.Sprintf("%s %s %s %s\n", action, ircChannel, user, strings.Join(extra, " ")) - server.ergo.Write([]byte(str)) +func (server *Server) ergoMessage(ircChannel string, message ...string) { + server.redis.Publish(server.redisContext, "channel."+ircChannel, strings.Join(message, " ")) } func (server *Server) ergoStateBroadcast(client *Client) { @@ -159,52 +157,57 @@ func (server *Server) ergoStateBroadcast(client *Client) { muteState |= b2i(client.Mute) << 1 deafState := b2i(client.SelfDeaf) deafState |= b2i(client.Deaf) << 1 - server.ergoMessage("VOICESTATE", client.ircChannel, client.Username, strconv.Itoa(muteState), strconv.Itoa(deafState)) + server.ergoMessage(client.ircChannel, "VOICESTATE", client.Username, strconv.Itoa(muteState), strconv.Itoa(deafState)) } -func (server *Server) ergoConnection() { - address := os.Getenv("GRUMBLE_ERGO_ADDR") - if len(address) == 0 { - address = "localhost" - } - conn, _ := net.Dial("tcp", net.JoinHostPort(address, "22843")) - server.ergo = conn - reader := bufio.NewReader(conn) - println("Connection established with ergo at ", address) - for { - // read client request data - data, err := reader.ReadBytes(byte('\n')) - if err != nil { - if err != io.EOF { - fmt.Println("failed to read data, err:", err) - } - println("Reconnecting to ergo in 5s") - time.Sleep(5000) - go server.ergoConnection() - return - } +func (server *Server) redisChannelSub() { + pubsub := server.redis.PSubscribe(server.redisContext, "channel.*") + defer pubsub.Close() - line := strings.Split(string(data[:len(data)-1]), " ") - fmt.Printf("ergo: %+q\n", line) + ch := pubsub.Channel() + + for msg := range ch { + println("(Redis) ", msg.Channel, ": ", msg.Payload) + channelName := strings.SplitN(msg.Channel, ".", 2)[1] + line := strings.Split(msg.Payload, " ") + if len(line) == 0 { + println("Empty message dumped into ", msg.Channel) + continue + } switch line[0] { case "KICK": for _, client := range server.clients { - if client.ircChannel == line[1] && client.Username == line[2] { + if client.ircChannel == channelName && client.Username == line[1] { server.RemoveClient(client, true) } } - case "POLL": - channel, ok := server.WindowedChannels[line[1]] + case "VOICEPOLL": + channel, ok := server.WindowedChannels[channelName] if ok { for _, client := range channel.clients { server.ergoStateBroadcast(client) } } - } } } +func (server *Server) ergoConnection() { + server.redisContext = context.Background() + + address := os.Getenv("REDIS_ADDR") + if len(address) == 0 { + address = "redis://localhost/0?protocol=3" + } + redisOpts, err := redis.ParseURL(address) + if err != nil { + panic(err) + } + server.redis = redis.NewClient(redisOpts) + println("Redis connection established") + go server.redisChannelSub() +} + // Allocate a new Murmur instance func NewServer(id int64) (s *Server, err error) { s = new(Server) @@ -417,7 +420,7 @@ func (server *Server) RemoveClient(client *Client, kicked bool) { if channel != nil { channel.RemoveClient(client) } - server.ergoMessage("PART", client.ircChannel, client.Username) + server.ergoMessage(client.ircChannel, "VOICEPART", client.Username) // If the user was not kicked, broadcast a UserRemove message. // If the user is disconnect via a kick, the UserRemove message has already been sent diff --git a/go.mod b/go.mod index b14f6fe..f01a026 100644 --- a/go.mod +++ b/go.mod @@ -1,11 +1,19 @@ module mumble.info/grumble -go 1.14 +go 1.22 require ( github.com/golang-jwt/jwt/v5 v5.2.1 github.com/golang/protobuf v1.5.4 github.com/gorilla/websocket v1.5.1 + github.com/redis/go-redis/v9 v9.6.1 golang.org/x/crypto v0.21.0 - golang.org/x/net v0.22.0 // indirect +) + +require ( + github.com/cespare/xxhash/v2 v2.2.0 // indirect + github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect + golang.org/x/net v0.22.0 // indirect + golang.org/x/sys v0.18.0 // indirect + google.golang.org/protobuf v1.33.0 // indirect ) diff --git a/go.sum b/go.sum index d9901d3..0d5181e 100644 --- a/go.sum +++ b/go.sum @@ -1,65 +1,28 @@ +github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs= +github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c= +github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA= +github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0= +github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44= +github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc= github.com/golang-jwt/jwt/v5 v5.2.1 h1:OuVbFODueb089Lh128TAcimifWaLhJwVflnrgM17wHk= github.com/golang-jwt/jwt/v5 v5.2.1/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk= -github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/gorilla/websocket v1.5.1 h1:gmztn0JnHVt9JZquRuzLw3g4wouNVzKL15iLr/zn/QY= github.com/gorilla/websocket v1.5.1/go.mod h1:x3kM2JMyaluk02fnUJpQuwD2dCS5NDG2ZHL0uE0tcaY= -github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= -golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4= -golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU= +github.com/redis/go-redis/v9 v9.6.1 h1:HHDteefn6ZkTtY5fGUE8tj8uy85AHk6zP7CpzIAM0y4= +github.com/redis/go-redis/v9 v9.6.1/go.mod h1:0C0c6ycQsdpVNQpxb1njEQIqkx5UcsM8FJCQLgE9+RA= golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA= golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs= 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