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