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accesslog: NEW log broker and many more features

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some fixes about context clone, fix response recorder concurrent access, fix reload views with only ParseTemplate and more
This commit is contained in:
Gerasimos (Makis) Maropoulos
2020-09-09 14:43:26 +03:00
parent fb7627256a
commit b77227a0f9
15 changed files with 359 additions and 49 deletions
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24
middleware/accesslog/log.go
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@@ -34,9 +34,9 @@ type Log struct {
// The response status code.
Code int `json:"code"`
// Sorted URL Query arguments.
Query []memstore.StringEntry `json:"query"`
Query []memstore.StringEntry `json:"query,omitempty"`
// Dynamic path parameters.
PathParams []memstore.Entry `json:"params"`
PathParams []memstore.Entry `json:"params,omitempty"`
// Fields any data information useful to represent this Log.
Fields []memstore.Entry `json:"fields,omitempty"`
@@ -127,15 +127,17 @@ func parseRequestValues(code int, pathParams *context.RequestParams, query []mem
// Formatter is responsible to print a Log to the accesslog's writer.
type Formatter interface {
// SetOutput should inject the accesslog's direct output,
// if this "dest" is used then the Formatter
// should manually control its concurrent use.
SetOutput(dest io.Writer)
// Format should print the Log.
// Returns nil error on handle successfully,
// otherwise the log will be printed using the default formatter
// and the error will be printed to the Iris Application's error log level.
Format(log *Log) error
// SetWriter should inject the accesslog's direct output,
// if this "dest" is used then the Formatter
// should manually control its concurrent use.
SetOutput(dest io.Writer)
// Should return true if this handled the logging, otherwise false to
// continue with the default print format.
Format(log *Log) (bool, error)
}
var (
@@ -169,12 +171,12 @@ func (f *JSON) SetOutput(dest io.Writer) {
// Format prints the logs in JSON format.
// Writes to the destination directly,
// locks on each Format call.
func (f *JSON) Format(log *Log) error {
func (f *JSON) Format(log *Log) (bool, error) {
f.mu.Lock()
err := f.enc.Encode(log)
f.mu.Unlock()
return err
return true, err
}
// Template is a Formatter.
@@ -213,7 +215,7 @@ func (f *Template) SetOutput(dest io.Writer) {
const defaultTmplText = "{{.Now.Format .TimeFormat}}|{{.Latency}}|{{.Method}}|{{.Path}}|{{.RequestValuesLine}}|{{.Code}}|{{.BytesReceivedLine}}|{{.BytesSentLine}}|{{.Request}}|{{.Response}}|\n"
// Format prints the logs in text/template format.
func (f *Template) Format(log *Log) error {
func (f *Template) Format(log *Log) (bool, error) {
var err error
// A template may be executed safely in parallel, although if parallel
@@ -226,5 +228,5 @@ func (f *Template) Format(log *Log) error {
}
f.mu.Unlock()
return err
return true, err
}