Imports github.com/3mdeb/socketio/engineio/message github.com/3mdeb/socketio/engineio/parser github.com/3mdeb/socketio/engineio/polling github.com/3mdeb/socketio/engineio/transport github.com/3mdeb/socketio/engineio/websocket github.com/pschlump/json Standard library imports bytes crypto/md5 encoding/base64 errors fmt io net/http sync sync/atomic time