support subscribe command data (#216)

_examples/go.mod

@@ -7,7 +7,7 @@ replace github.com/centrifugal/centrifuge => ../
 require (
 	github.com/FZambia/tarantool v0.2.2
 	github.com/centrifugal/centrifuge v0.8.2
-	github.com/centrifugal/protocol v0.7.5
+	github.com/centrifugal/protocol v0.7.6
 	github.com/cristalhq/jwt/v3 v3.0.0
 	github.com/dchest/uniuri v0.0.0-20200228104902-7aecb25e1fe5
 	github.com/gin-contrib/sessions v0.0.3

_examples/go.sum

@@ -20,8 +20,8 @@ github.com/boj/redistore v0.0.0-20180917114910-cd5dcc76aeff/go.mod h1:+RTT1BOk5P
 github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
 github.com/bradleypeabody/gorilla-sessions-memcache v0.0.0-20181103040241-659414f458e1/go.mod h1:dkChI7Tbtx7H1Tj7TqGSZMOeGpMP5gLHtjroHd4agiI=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/centrifugal/protocol v0.7.5 h1:aeyFApYRGyG6v2oO0afBRq/fwuasAnAF5sOKriSPvMc=
-github.com/centrifugal/protocol v0.7.5/go.mod h1:cJo0/BuXglhPfg0fgSgTXvBZ7y+9rdg4+nPbIDOVmlA=
+github.com/centrifugal/protocol v0.7.6 h1:AfMwTZfwnFwZslIzQL4QtRnWSVO32RPSuk4iNS/V9tg=
+github.com/centrifugal/protocol v0.7.6/go.mod h1:cJo0/BuXglhPfg0fgSgTXvBZ7y+9rdg4+nPbIDOVmlA=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
@@ -127,7 +127,6 @@ github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYs
 github.com/klauspost/compress v1.11.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/compress v1.11.12 h1:famVnQVu7QwryBN4jNseQdUKES71ZAOnB6UQQJPZvqk=
 github.com/klauspost/compress v1.11.12/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
-github.com/klauspost/cpuid/v2 v2.0.6 h1:dQ5ueTiftKxp0gyjKSx5+8BtPWkyQbd95m8Gys/RarI=
 github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
@@ -222,8 +221,9 @@ github.com/prometheus/procfs v0.0.11/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4
 github.com/prometheus/procfs v0.1.3 h1:F0+tqvhOksq22sc6iCHF5WGlWjdwj92p0udFh1VFBS8=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/quasoft/memstore v0.0.0-20180925164028-84a050167438/go.mod h1:wTPjTepVu7uJBYgZ0SdWHQlIas582j6cn2jgk4DDdlg=
-github.com/segmentio/asm v1.1.0 h1:fkVr8k5J4sKoFjTGVD6r1yKvDKqmvrEh3K7iyVxgBs8=
 github.com/segmentio/asm v1.1.0/go.mod h1:4EUJGaKsB8ImLUwOGORVsNd9vTRDeh44JGsY4aKp5I4=
+github.com/segmentio/asm v1.1.1 h1:WzUpP9BRnRgoP+v8qywthpSe9U5KLq1uDGdJBEcSeQo=
+github.com/segmentio/asm v1.1.1/go.mod h1:VCkA6aQH8usgIAUp4QMLQsAeaMl6iW7+VMLrW9Vkv0Y=
 github.com/segmentio/encoding v0.3.2 h1:gkXXteOfNaPPlrXTEf/e5tWvaQGVJWnvT3LqMzUeH7U=
 github.com/segmentio/encoding v0.3.2/go.mod h1:waft2p6XI4z2pk07M0YzZV4wEiqaRvsBSyWNHxVx4gU=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -295,8 +295,10 @@ golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211110154304-99a53858aa08/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 h1:TyHqChC80pFkXWraUUf6RuB5IqFdQieMLwwCJokV2pc=
+golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=

client.go

@@ -1344,6 +1344,7 @@ func (c *Client) handleSubscribe(params protocol.Raw, rw *replyWriter) error {
 	event := SubscribeEvent{
 		Channel: cmd.Channel,
 		Token:   cmd.Token,
+		Data:    cmd.Data,
 	}
 
 	cb := func(reply SubscribeReply, err error) {

events.go

@@ -120,6 +120,8 @@ type SubscribeEvent struct {
 	// Token will only be set for token channels. This is a task of application
 	// to check that subscription to a channel has valid token.
 	Token string
+	// Data received from client as part of Subscribe Command.
+	Data []byte
 }
 
 // SubscribeCallback should be called as soon as handler decides what to do

go.mod

@@ -5,15 +5,16 @@ go 1.12
 require (
 	github.com/FZambia/eagle v0.0.1
 	github.com/FZambia/sentinel v1.1.0
-	github.com/centrifugal/protocol v0.7.5
+	github.com/centrifugal/protocol v0.7.6
 	github.com/gomodule/redigo v1.8.5
 	github.com/google/uuid v1.3.0
 	github.com/gorilla/websocket v1.4.2
 	github.com/igm/sockjs-go/v3 v3.0.1
 	github.com/mna/redisc v1.3.2
 	github.com/prometheus/client_golang v1.6.0
+	github.com/segmentio/asm v1.1.1 // indirect
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f // indirect
+	golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 // indirect
 	google.golang.org/protobuf v1.27.1
 )

go.sum

@@ -10,8 +10,8 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/centrifugal/protocol v0.7.5 h1:aeyFApYRGyG6v2oO0afBRq/fwuasAnAF5sOKriSPvMc=
-github.com/centrifugal/protocol v0.7.5/go.mod h1:cJo0/BuXglhPfg0fgSgTXvBZ7y+9rdg4+nPbIDOVmlA=
+github.com/centrifugal/protocol v0.7.6 h1:AfMwTZfwnFwZslIzQL4QtRnWSVO32RPSuk4iNS/V9tg=
+github.com/centrifugal/protocol v0.7.6/go.mod h1:cJo0/BuXglhPfg0fgSgTXvBZ7y+9rdg4+nPbIDOVmlA=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -52,7 +52,6 @@ github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFF
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/klauspost/cpuid/v2 v2.0.6 h1:dQ5ueTiftKxp0gyjKSx5+8BtPWkyQbd95m8Gys/RarI=
 github.com/klauspost/cpuid/v2 v2.0.6/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
@@ -94,8 +93,9 @@ github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.11 h1:DhHlBtkHWPYi8O2y31JkK0TF+DGM+51OopZjH/Ia5qI=
 github.com/prometheus/procfs v0.0.11/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
-github.com/segmentio/asm v1.1.0 h1:fkVr8k5J4sKoFjTGVD6r1yKvDKqmvrEh3K7iyVxgBs8=
 github.com/segmentio/asm v1.1.0/go.mod h1:4EUJGaKsB8ImLUwOGORVsNd9vTRDeh44JGsY4aKp5I4=
+github.com/segmentio/asm v1.1.1 h1:WzUpP9BRnRgoP+v8qywthpSe9U5KLq1uDGdJBEcSeQo=
+github.com/segmentio/asm v1.1.1/go.mod h1:VCkA6aQH8usgIAUp4QMLQsAeaMl6iW7+VMLrW9Vkv0Y=
 github.com/segmentio/encoding v0.3.2 h1:gkXXteOfNaPPlrXTEf/e5tWvaQGVJWnvT3LqMzUeH7U=
 github.com/segmentio/encoding v0.3.2/go.mod h1:waft2p6XI4z2pk07M0YzZV4wEiqaRvsBSyWNHxVx4gU=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
@@ -126,8 +126,9 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20211110154304-99a53858aa08/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 h1:TyHqChC80pFkXWraUUf6RuB5IqFdQieMLwwCJokV2pc=
+golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=