diff options
Diffstat (limited to 'vendor/github.com/nlopes/slack/websocket.go')
-rw-r--r-- | vendor/github.com/nlopes/slack/websocket.go | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/vendor/github.com/nlopes/slack/websocket.go b/vendor/github.com/nlopes/slack/websocket.go new file mode 100644 index 00000000..6eb09263 --- /dev/null +++ b/vendor/github.com/nlopes/slack/websocket.go @@ -0,0 +1,93 @@ +package slack + +import ( + "encoding/json" + "errors" + "time" + + "golang.org/x/net/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(). +type RTM struct { + idGen IDGenerator + pings map[int]time.Time + + // Connection life-cycle + conn *websocket.Conn + IncomingEvents chan RTMEvent + outgoingMessages chan OutgoingMessage + killChannel chan bool + forcePing chan bool + rawEvents chan json.RawMessage + wasIntentional bool + isConnected bool + + // Client is the main API, embedded + Client + websocketURL string + + // UserDetails upon connection + info *Info +} + +// NewRTM returns a RTM, which provides a fully managed connection to +// Slack's websocket-based Real-Time Messaging protocol. +func newRTM(api *Client) *RTM { + return &RTM{ + Client: *api, + IncomingEvents: make(chan RTMEvent, 50), + outgoingMessages: make(chan OutgoingMessage, 20), + pings: make(map[int]time.Time), + isConnected: false, + wasIntentional: true, + killChannel: make(chan bool), + forcePing: make(chan bool), + rawEvents: make(chan json.RawMessage), + idGen: NewSafeID(1), + } +} + +// Disconnect and wait, blocking until a successful disconnection. +func (rtm *RTM) Disconnect() error { + if !rtm.isConnected { + return errors.New("Invalid call to Disconnect - Slack API is already disconnected") + } + rtm.killChannel <- true + return nil +} + +// Reconnect only makes sense if you've successfully disconnectd with Disconnect(). +func (rtm *RTM) Reconnect() error { + logger.Println("RTM::Reconnect not implemented!") + return nil +} + +// GetInfo returns the info structure received when calling +// "startrtm", holding all channels, groups and other 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 +} |