Use upstream slack-go/slack again (#1018)

1 files changed, 0 insertions, 103 deletions

diff --git a/vendor/github.com/nlopes/slack/websocket.go b/vendor/github.com/nlopes/slack/websocket.go
deleted file mode 100644
index d6895f2a..00000000
--- a/vendor/github.com/nlopes/slack/websocket.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package slack
-
-import (
-	"net/url"
-	"sync"
-	"time"
-
-	"github.com/gorilla/websocket"
-)
-
-const (
-	// MaxMessageTextLength is the current maximum message length in number of characters as defined here
-	// https://api.slack.com/rtm#limits
-	MaxMessageTextLength = 4000
-)
-
-// RTM represents a managed websocket connection. It also supports
-// all the methods of the `Client` type.
-//
-// Create this element with Client's NewRTM() or NewRTMWithOptions(*RTMOptions)
-type RTM struct {
-	// Client is the main API, embedded
-	Client
-
-	idGen        IDGenerator
-	pingInterval time.Duration
-	pingDeadman  *time.Timer
-
-	// Connection life-cycle
-	conn             *websocket.Conn
-	IncomingEvents   chan RTMEvent
-	outgoingMessages chan OutgoingMessage
-	killChannel      chan bool
-	disconnected     chan struct{}
-	disconnectedm    *sync.Once
-	forcePing        chan bool
-
-	// UserDetails upon connection
-	info *Info
-
-	// useRTMStart should be set to true if you want to use
-	// rtm.start to connect to Slack, otherwise it will use
-	// rtm.connect
-	useRTMStart bool
-
-	// dialer is a gorilla/websocket Dialer. If nil, use the default
-	// Dialer.
-	dialer *websocket.Dialer
-
-	// mu is mutex used to prevent RTM connection race conditions
-	mu *sync.Mutex
-
-	// connParams is a map of flags for connection parameters.
-	connParams url.Values
-}
-
-// signal that we are disconnected by closing the channel.
-// protect it with a mutex to ensure it only happens once.
-func (rtm *RTM) disconnect() {
-	rtm.disconnectedm.Do(func() {
-		close(rtm.disconnected)
-	})
-}
-
-// Disconnect and wait, blocking until a successful disconnection.
-func (rtm *RTM) Disconnect() error {
-	// always push into the kill channel when invoked,
-	// this lets the ManagedConnection() function properly clean up.
-	// if the buffer is full then just continue on.
-	select {
-	case rtm.killChannel <- true:
-		return nil
-	case <-rtm.disconnected:
-		return ErrAlreadyDisconnected
-	}
-}
-
-// GetInfo returns the info structure received when calling
-// "startrtm", holding metadata needed to implement a full
-// chat client. It will be non-nil after a call to StartRTM().
-func (rtm *RTM) GetInfo() *Info {
-	return rtm.info
-}
-
-// SendMessage submits a simple message through the websocket.  For
-// more complicated messages, use `rtm.PostMessage` with a complete
-// struct describing your attachments and all.
-func (rtm *RTM) SendMessage(msg *OutgoingMessage) {
-	if msg == nil {
-		rtm.Debugln("Error: Attempted to SendMessage(nil)")
-		return
-	}
-
-	rtm.outgoingMessages <- *msg
-}
-
-func (rtm *RTM) resetDeadman() {
-	rtm.pingDeadman.Reset(deadmanDuration(rtm.pingInterval))
-}
-
-func deadmanDuration(d time.Duration) time.Duration {
-	return d * 4
-}