func (q SqlQuery) logQuery(ctx context.Context, query string, args []interface{}) {
log.
Ctx(ctx).
WithField("args", args).
WithField("sql", query).
Debug("query sql")
}
func logEndOfRequest(ctx context.Context, duration time.Duration, mw mutil.WriterProxy) {
log.Ctx(ctx).WithFields(log.F{
"status": mw.Status(),
"bytes": mw.BytesWritten(),
"duration": duration,
}).Info("Finished request")
}
// WriteEvent does the actual work of formatting an SSE compliant message
// sending it over the provided ResponseWriter and flushing.
func WriteEvent(ctx context.Context, w http.ResponseWriter, e Event) {
if e.Error != nil {
fmt.Fprint(w, "event: err\n")
fmt.Fprintf(w, "data: %s\n\n", e.Error.Error())
w.(http.Flusher).Flush()
log.Ctx(ctx).Error(e.Error)
return
}
// TODO: add tests to ensure retry get's properly rendered
if e.Retry != 0 {
fmt.Fprintf(w, "retry: %d\n", e.Retry)
}
if e.ID != "" {
fmt.Fprintf(w, "id: %s\n", e.ID)
}
if e.Event != "" {
fmt.Fprintf(w, "event: %s\n", e.Event)
}
fmt.Fprintf(w, "data: %s\n\n", getJSON(e.Data))
w.(http.Flusher).Flush()
}
func logStartOfRequest(ctx context.Context, r *http.Request) {
log.Ctx(ctx).WithFields(log.F{
"path": r.URL.String(),
"method": r.Method,
"ip": r.RemoteAddr,
"host": r.Host,
}).Info("Starting request")
}
func (r *Repo) log(typ string, start time.Time, query string, args []interface{}) {
log.
Ctx(r.logCtx()).
WithField("args", args).
WithField("sql", query).
WithField("dur", time.Since(start).String()).
Debugf("sql: %s", typ)
}
// Prepare sets the action's App field based upon the goji context
func (action *Action) Prepare(c web.C, w http.ResponseWriter, r *http.Request) {
base := &action.Base
base.Prepare(c, w, r)
action.App = action.GojiCtx.Env["app"].(*App)
if action.Ctx != nil {
action.Log = log.Ctx(action.Ctx)
} else {
action.Log = log.DefaultLogger
}
}
// Tick triggers the system to update itself with any new data available.
func (sys *System) Tick(ctx context.Context) {
sys.Init()
logger := log.Ctx(ctx)
logger.
WithField("queued", sys.SubmissionQueue.String()).
Debug("ticking txsub system")
addys := sys.SubmissionQueue.Addresses()
if len(addys) > 0 {
curSeq, err := sys.Sequences.Get(addys)
if err != nil {
logger.WithStack(err).Error(err)
} else {
sys.SubmissionQueue.Update(curSeq)
}
}
for _, hash := range sys.Pending.Pending(ctx) {
r := sys.Results.ResultByHash(ctx, hash)
if r.Err == nil {
logger.WithField("hash", hash).Debug("finishing open submission")
sys.Pending.Finish(ctx, r)
continue
}
_, ok := r.Err.(*FailedTransactionError)
if ok {
logger.WithField("hash", hash).Debug("finishing open submission")
sys.Pending.Finish(ctx, r)
continue
}
if r.Err != ErrNoResults {
logger.WithStack(r.Err).Error(r.Err)
}
}
stillOpen, err := sys.Pending.Clean(ctx, sys.SubmissionTimeout)
if err != nil {
logger.WithStack(err).Error(err)
}
sys.Metrics.OpenSubmissionsGauge.Update(int64(stillOpen))
sys.Metrics.BufferedSubmissionsGauge.Update(int64(sys.SubmissionQueue.Size()))
}
func render(ctx context.Context, w http.ResponseWriter, p P) {
Inflate(ctx, &p)
w.Header().Set("Content-Type", "application/problem+json; charset=utf-8")
js, err := json.MarshalIndent(p, "", " ")
if err != nil {
err := errors.Wrap(err, 1)
log.Ctx(ctx).WithStack(err).Error(err)
http.Error(w, "error rendering problem", http.StatusInternalServerError)
return
}
w.WriteHeader(p.Status)
w.Write(js)
}
// Negotiate inspects the Accept header of the provided request and determines
// what the most appropriate response type should be. Defaults to HAL.
func Negotiate(ctx context.Context, r *http.Request) string {
alternatives := []string{MimeHal, MimeJSON, MimeEventStream, MimeRaw}
accept := r.Header.Get("Accept")
if accept == "" {
return MimeHal
}
result := goautoneg.Negotiate(r.Header.Get("Accept"), alternatives)
log.Ctx(ctx).WithFields(log.F{
"content_type": result,
"accept": accept,
}).Debug("Negotiated content type")
return result
}
func renderErr(ctx context.Context, w http.ResponseWriter, err error) {
origErr := err
if err, ok := err.(*errors.Error); ok {
origErr = err.Err
}
p, ok := errToProblemMap[origErr]
// If this error is not a registered error
// log it and replace it with a 500 error
if !ok {
log.Ctx(ctx).WithStack(err).Error(err)
p = ServerError
}
render(ctx, w, p)
}
func (r *Repo) logRollback() {
log.Ctx(r.logCtx()).Debug("sql: rollbacl")
}
func (r *Repo) logCommit() {
log.Ctx(r.logCtx()).Debug("sql: commit")
}
func (r *Repo) logBegin() {
log.Ctx(r.logCtx()).Debug("sql: begin")
}
