func (c *Client) handleServer(s coconet.Conn) error {
for {
tsm := &conode.TimeStampMessage{}
err := s.GetData(tsm)
if err != nil {
if err == coconet.ErrNotEstablished {
continue
}
dbg.Lvl3("error getting from connection:", err)
return err
}
c.handleResponse(tsm)
}
}
func (c *Client) AddServer(name string, conn coconet.Conn) {
//c.Servers[name] = conn
go func(conn coconet.Conn) {
maxwait := 30 * time.Second
curWait := 100 * time.Millisecond
for {
err := conn.Connect()
if err != nil {
time.Sleep(curWait)
curWait = curWait * 2
if curWait > maxwait {
curWait = maxwait
}
continue
} else {
c.Mux.Lock()
c.Servers[name] = conn
c.Mux.Unlock()
dbg.Lvl3("Success: connected to server:", conn)
err := c.handleServer(conn)
// if a server encounters any terminating error
// terminate all pending client transactions and kill the client
if err != nil {
dbg.Lvl3("EOF detected: sending EOF to all pending TimeStamps")
c.Mux.Lock()
for _, ch := range c.doneChan {
dbg.Lvl3("Sending to Receiving Channel")
ch <- io.EOF
}
c.Error = io.EOF
c.Mux.Unlock()
return
} else {
// try reconnecting if it didn't close the channel
continue
}
}
}
}(conn)
}