// New returns a configured and ready to use Upstream instance.
func New(cfg *config.Handler, l *types.Location, next types.RequestHandler) (*ReverseProxy, error) {
if next != nil {
return nil, types.NotNilNextHandler(cfg.Type)
}
if l.Upstream == nil {
return nil, fmt.Errorf("No upstream set for proxy handler in %s", l.Name)
}
s := Settings{
UserAgent: "nedomi",
}
if len(cfg.Settings) != 0 {
if err := json.Unmarshal(cfg.Settings, &s); err != nil {
return nil, fmt.Errorf("handler.proxy got error while parsing settings: %s", err)
}
}
//!TODO: record statistics (times, errors, etc.) for all requests
return &ReverseProxy{
Upstream: l.Upstream,
Logger: l.Logger,
Settings: s,
}, nil
}
// New returns a configured and ready to use Upstream instance.
func New(cfg *config.Handler, l *types.Location, next types.RequestHandler) (*ReverseProxy, error) {
if next != nil {
return nil, types.NotNilNextHandler(cfg.Type)
}
if l.Upstream == nil {
return nil, fmt.Errorf("No upstream set for proxy handler in %s", l.Name)
}
s := Settings{
UserAgent: "nedomi",
}
if len(cfg.Settings) != 0 {
if err := json.Unmarshal(cfg.Settings, &s); err != nil {
return nil, fmt.Errorf("handler.proxy got error while parsing settings: %s", err)
}
}
var codesToRetry = make(map[int]string, len(s.TryOtherUpstreamOnCode))
for code, upstream := range s.TryOtherUpstreamOnCode {
intCode, err := strconv.Atoi(code)
if err != nil {
return nil, fmt.Errorf("handler.proxy[%s]: a status code for retries '%s' couldn't be parsed %s", l.Name, code, err)
}
codesToRetry[intCode] = upstream
}
//!TODO: record statistics (times, errors, etc.) for all requests
return &ReverseProxy{
defaultUpstream: l.Upstream,
Logger: l.Logger,
Settings: s,
CodesToRetry: codesToRetry,
}, nil
}