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author | Wim <wim@42.be> | 2018-02-09 00:11:04 +0100 |
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committer | Wim <wim@42.be> | 2018-02-09 00:11:04 +0100 |
commit | 5aab158c0b0db64b6136fe2fdaca8b8e9e3bd811 (patch) | |
tree | 09bcb3f02f968867c2ca84db1f28594dd0afb967 /vendor/github.com/mattermost/mattermost-server/model/websocket_client.go | |
parent | 1d33e60e36fa7b0e361990ac347ee8d620d67dcc (diff) | |
download | matterbridge-msglm-5aab158c0b0db64b6136fe2fdaca8b8e9e3bd811.tar.gz matterbridge-msglm-5aab158c0b0db64b6136fe2fdaca8b8e9e3bd811.tar.bz2 matterbridge-msglm-5aab158c0b0db64b6136fe2fdaca8b8e9e3bd811.zip |
Update vendor (github.com/mattermost)
Diffstat (limited to 'vendor/github.com/mattermost/mattermost-server/model/websocket_client.go')
-rw-r--r-- | vendor/github.com/mattermost/mattermost-server/model/websocket_client.go | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/vendor/github.com/mattermost/mattermost-server/model/websocket_client.go b/vendor/github.com/mattermost/mattermost-server/model/websocket_client.go new file mode 100644 index 00000000..e5c44dde --- /dev/null +++ b/vendor/github.com/mattermost/mattermost-server/model/websocket_client.go @@ -0,0 +1,167 @@ +// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved. +// See License.txt for license information. + +package model + +import ( + "encoding/json" + "net/http" + + "github.com/gorilla/websocket" +) + +const ( + SOCKET_MAX_MESSAGE_SIZE_KB = 8 * 1024 // 8KB +) + +type WebSocketClient struct { + Url string // The location of the server like "ws://localhost:8065" + ApiUrl string // The api location of the server like "ws://localhost:8065/api/v3" + ConnectUrl string // The websocket URL to connect to like "ws://localhost:8065/api/v3/path/to/websocket" + Conn *websocket.Conn // The WebSocket connection + AuthToken string // The token used to open the WebSocket + Sequence int64 // The ever-incrementing sequence attached to each WebSocket action + EventChannel chan *WebSocketEvent + ResponseChannel chan *WebSocketResponse + ListenError *AppError +} + +// NewWebSocketClient constructs a new WebSocket client with convienence +// methods for talking to the server. +func NewWebSocketClient(url, authToken string) (*WebSocketClient, *AppError) { + conn, _, err := websocket.DefaultDialer.Dial(url+API_URL_SUFFIX_V3+"/users/websocket", nil) + if err != nil { + return nil, NewAppError("NewWebSocketClient", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError) + } + + client := &WebSocketClient{ + url, + url + API_URL_SUFFIX_V3, + url + API_URL_SUFFIX_V3 + "/users/websocket", + conn, + authToken, + 1, + make(chan *WebSocketEvent, 100), + make(chan *WebSocketResponse, 100), + nil, + } + + client.SendMessage(WEBSOCKET_AUTHENTICATION_CHALLENGE, map[string]interface{}{"token": authToken}) + + return client, nil +} + +// NewWebSocketClient4 constructs a new WebSocket client with convienence +// methods for talking to the server. Uses the v4 endpoint. +func NewWebSocketClient4(url, authToken string) (*WebSocketClient, *AppError) { + conn, _, err := websocket.DefaultDialer.Dial(url+API_URL_SUFFIX+"/websocket", nil) + if err != nil { + return nil, NewAppError("NewWebSocketClient4", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError) + } + + client := &WebSocketClient{ + url, + url + API_URL_SUFFIX, + url + API_URL_SUFFIX + "/websocket", + conn, + authToken, + 1, + make(chan *WebSocketEvent, 100), + make(chan *WebSocketResponse, 100), + nil, + } + + client.SendMessage(WEBSOCKET_AUTHENTICATION_CHALLENGE, map[string]interface{}{"token": authToken}) + + return client, nil +} + +func (wsc *WebSocketClient) Connect() *AppError { + var err error + wsc.Conn, _, err = websocket.DefaultDialer.Dial(wsc.ConnectUrl, nil) + if err != nil { + return NewAppError("Connect", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError) + } + + wsc.EventChannel = make(chan *WebSocketEvent, 100) + wsc.ResponseChannel = make(chan *WebSocketResponse, 100) + + wsc.SendMessage(WEBSOCKET_AUTHENTICATION_CHALLENGE, map[string]interface{}{"token": wsc.AuthToken}) + + return nil +} + +func (wsc *WebSocketClient) Close() { + wsc.Conn.Close() +} + +func (wsc *WebSocketClient) Listen() { + go func() { + defer func() { + wsc.Conn.Close() + close(wsc.EventChannel) + close(wsc.ResponseChannel) + }() + + for { + var rawMsg json.RawMessage + var err error + if _, rawMsg, err = wsc.Conn.ReadMessage(); err != nil { + if !websocket.IsCloseError(err, websocket.CloseNormalClosure, websocket.CloseNoStatusReceived) { + wsc.ListenError = NewAppError("NewWebSocketClient", "model.websocket_client.connect_fail.app_error", nil, err.Error(), http.StatusInternalServerError) + } + + return + } + + var event WebSocketEvent + if err := json.Unmarshal(rawMsg, &event); err == nil && event.IsValid() { + wsc.EventChannel <- &event + continue + } + + var response WebSocketResponse + if err := json.Unmarshal(rawMsg, &response); err == nil && response.IsValid() { + wsc.ResponseChannel <- &response + continue + } + + } + }() +} + +func (wsc *WebSocketClient) SendMessage(action string, data map[string]interface{}) { + req := &WebSocketRequest{} + req.Seq = wsc.Sequence + req.Action = action + req.Data = data + + wsc.Sequence++ + + wsc.Conn.WriteJSON(req) +} + +// UserTyping will push a user_typing event out to all connected users +// who are in the specified channel +func (wsc *WebSocketClient) UserTyping(channelId, parentId string) { + data := map[string]interface{}{ + "channel_id": channelId, + "parent_id": parentId, + } + + wsc.SendMessage("user_typing", data) +} + +// GetStatuses will return a map of string statuses using user id as the key +func (wsc *WebSocketClient) GetStatuses() { + wsc.SendMessage("get_statuses", nil) +} + +// GetStatusesByIds will fetch certain user statuses based on ids and return +// a map of string statuses using user id as the key +func (wsc *WebSocketClient) GetStatusesByIds(userIds []string) { + data := map[string]interface{}{ + "user_ids": userIds, + } + wsc.SendMessage("get_statuses_by_ids", data) +} |