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v0.0.188 exerr MVP

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This commit is contained in:
Mike Schwörer 2023-07-24 10:42:39 +02:00
parent b1d6509294
commit 2e6ca48d22
Signed by: Mikescher
GPG Key ID: D3C7172E0A70F8CF
14 changed files with 660 additions and 118 deletions
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80
exerr/builder.go
View File

@ -2,10 +2,13 @@ package exerr
import (
"bytes"
"context"
"encoding/json"
"fmt"
"github.com/gin-gonic/gin"
"github.com/rs/zerolog"
"go.mongodb.org/mongo-driver/bson/primitive"
"gogs.mikescher.com/BlackForestBytes/goext/dataext"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"net/http"
"os"
@ -17,21 +20,21 @@ import (
//
// ==== USAGE =====
//
// If some method returns an error _always wrap it into an bmerror:
// If some method returns an error _always wrap it into an exerror:
// value, err := do_something(..)
// if err != nil {
// return nil, bmerror.Wrap(err, "do something failed").Build()
// return nil, exerror.Wrap(err, "do something failed").Build()
// }
//
// If possible add metadata to the error (eg the id that was not found, ...), the methods are the same as in zerolog
// return nil, bmerror.Wrap(err, "do something failed").Str("someid", id).Int("count", in.Count).Build()
// return nil, exerror.Wrap(err, "do something failed").Str("someid", id).Int("count", in.Count).Build()
//
// You can change the errortype with `.User()` and `.System()` (User-errors are 400 and System-errors 500)
// You can also manually set the statuscode with `.WithStatuscode(http.NotFound)`
// You can set the type with `WithType(..)`
//
// New Errors (that don't wrap an existing err object) are created with New
// return nil, bmerror.New(bmerror.ErrInternal, "womethign wen horrible wrong").Build()
// return nil, exerror.New(exerror.TypeInternal, "womethign wen horrible wrong").Build()
// You can eitehr use an existing ErrorType, the "catch-all" ErrInternal, or add you own ErrType in consts.go
//
// All errors should be handled one of the following four ways:
@ -64,37 +67,36 @@ func init() {
}
type Builder struct {
bmerror *bringmanError
errorData *ExErr
containsGinData bool
}
func Get(err error) *Builder {
return &Builder{bmerror: fromError(err)}
return &Builder{errorData: fromError(err)}
}
func New(t ErrorType, msg string) *Builder {
return &Builder{bmerror: newBringmanErr(CatSystem, t, msg)}
return &Builder{errorData: newExErr(CatSystem, t, msg)}
}
func Wrap(err error, msg string) *Builder {
return &Builder{bmerror: fromError(err).wrap(msg, CatWrap, 1)}
return &Builder{errorData: wrapExErr(fromError(err), msg, CatWrap, 1)}
}
// ----------------------------------------------------------------------------
func (b *Builder) WithType(t ErrorType) *Builder {
b.bmerror.Type = t
b.errorData.Type = t
return b
}
func (b *Builder) WithStatuscode(status int) *Builder {
b.bmerror.StatusCode = status
b.errorData.StatusCode = &status
return b
}
func (b *Builder) WithMessage(msg string) *Builder {
b.bmerror.Message = msg
b.errorData.Message = msg
return b
}
@ -119,7 +121,7 @@ func (b *Builder) WithMessage(msg string) *Builder {
//
// - Send to the error-service
func (b *Builder) Err() *Builder {
b.bmerror.Severity = SevErr
b.errorData.Severity = SevErr
return b
}
@ -138,7 +140,7 @@ func (b *Builder) Err() *Builder {
//
// - Logged as Warn
func (b *Builder) Warn() *Builder {
b.bmerror.Severity = SevWarn
b.errorData.Severity = SevWarn
return b
}
@ -157,7 +159,7 @@ func (b *Builder) Warn() *Builder {
//
// - -(nothing)-
func (b *Builder) Info() *Builder {
b.bmerror.Severity = SevInfo
b.errorData.Severity = SevInfo
return b
}
@ -167,12 +169,12 @@ func (b *Builder) Info() *Builder {
//
// Errors with category
func (b *Builder) User() *Builder {
b.bmerror.Category = CatUser
b.errorData.Category = CatUser
return b
}
func (b *Builder) System() *Builder {
b.bmerror.Category = CatSystem
b.errorData.Category = CatSystem
return b
}
@ -268,7 +270,7 @@ func (b *Builder) Stack() *Builder {
func (b *Builder) Errs(key string, val []error) *Builder {
for i, valerr := range val {
b.addMeta(fmt.Sprintf("%v[%v]", key, i), MDTString, Get(valerr).toBMError().FormatLog(LogPrintFull))
b.addMeta(fmt.Sprintf("%v[%v]", key, i), MDTString, Get(valerr).errorData.FormatLog(LogPrintFull))
}
return b
}
@ -299,7 +301,7 @@ func (b *Builder) GinReq(ctx context.Context, g *gin.Context, req *http.Request)
b.Str("gin.context.reqid", ctxVal)
}
if req.Method != "GET" && req.Body != nil && req.Header.Get("Content-Type") == "application/json" {
if brc, ok := req.Body.(langext.BufferedReadCloser); ok {
if brc, ok := req.Body.(dataext.BufferedReadCloser); ok {
if bin, err := brc.BufferedAll(); err == nil {
if len(bin) < 16*1024 {
var prettyJSON bytes.Buffer
@ -348,13 +350,17 @@ func formatHeader(header map[string][]string) string {
// Build creates a new error, ready to pass up the stack
// If the errors is not SevWarn or SevInfo it gets also logged (in short form, without stacktrace) onto stdout
func (b *Builder) Build() error {
if b.bmerror.Severity == SevErr || b.bmerror.Severity == SevFatal {
b.bmerror.ShortLog(stackSkipLogger.Error())
warnOnPkgConfigNotInitialized()
if pkgconfig.ZeroLogErrTraces && (b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal) {
b.errorData.ShortLog(stackSkipLogger.Error())
} else if pkgconfig.ZeroLogAllTraces {
b.errorData.ShortLog(stackSkipLogger.Error())
}
b.CallListener(MethodBuild)
return b.bmerror.ToGrpcError()
return b.errorData
}
// Output prints the error onto the gin stdout.
@ -366,12 +372,12 @@ func (b *Builder) Output(ctx context.Context, g *gin.Context) {
b.GinReq(ctx, g, g.Request)
}
b.bmerror.Output(ctx, g)
b.errorData.Output(ctx, g)
if b.bmerror.Severity == SevErr || b.bmerror.Severity == SevFatal {
b.bmerror.Log(stackSkipLogger.Error())
} else if b.bmerror.Severity == SevWarn {
b.bmerror.Log(stackSkipLogger.Warn())
if b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal {
b.errorData.Log(stackSkipLogger.Error())
} else if b.errorData.Severity == SevWarn {
b.errorData.Log(stackSkipLogger.Warn())
}
b.CallListener(MethodOutput)
@ -380,24 +386,24 @@ func (b *Builder) Output(ctx context.Context, g *gin.Context) {
// Print prints the error
// If the error is SevErr we also send it to the error-service
func (b *Builder) Print() {
if b.bmerror.Severity == SevErr || b.bmerror.Severity == SevFatal {
b.bmerror.Log(stackSkipLogger.Error())
} else if b.bmerror.Severity == SevWarn {
b.bmerror.ShortLog(stackSkipLogger.Warn())
if b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal {
b.errorData.Log(stackSkipLogger.Error())
} else if b.errorData.Severity == SevWarn {
b.errorData.ShortLog(stackSkipLogger.Warn())
}
b.CallListener(MethodPrint)
}
func (b *Builder) Format(level LogPrintLevel) string {
return b.bmerror.FormatLog(level)
return b.errorData.FormatLog(level)
}
// Fatal prints the error and terminates the program
// If the error is SevErr we also send it to the error-service
func (b *Builder) Fatal() {
b.bmerror.Severity = SevFatal
b.bmerror.Log(stackSkipLogger.WithLevel(zerolog.FatalLevel))
b.errorData.Severity = SevFatal
b.errorData.Log(stackSkipLogger.WithLevel(zerolog.FatalLevel))
b.CallListener(MethodFatal)
@ -407,10 +413,6 @@ func (b *Builder) Fatal() {
// ----------------------------------------------------------------------------
func (b *Builder) addMeta(key string, mdtype metaDataType, val interface{}) *Builder {
b.bmerror.Meta.add(key, mdtype, val)
b.errorData.Meta.add(key, mdtype, val)
return b
}
func (b *Builder) toBMError() BMError {
return b.bmerror.ToBMError()
}

201
exerr/constructor.go Normal file
View File

@ -0,0 +1,201 @@
package exerr
import (
"encoding/json"
"fmt"
"go.mongodb.org/mongo-driver/bson/primitive"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"reflect"
"time"
)
var reflectTypeStr = reflect.TypeOf("")
func fromError(err error) *ExErr {
if verr, ok := err.(*ExErr); ok {
// A simple ExErr
return verr
}
// A foreign error (eg a MongoDB exception)
return &ExErr{
UniqueID: newID(),
Category: CatForeign,
Type: TypeInternal,
Severity: SevErr,
Timestamp: time.Time{},
StatusCode: nil,
Message: err.Error(),
WrappedErrType: fmt.Sprintf("%T", err),
Caller: "",
OriginalError: nil,
Meta: getForeignMeta(err),
}
}
func newExErr(cat ErrorCategory, errtype ErrorType, msg string) *ExErr {
return &ExErr{
UniqueID: newID(),
Category: cat,
Type: errtype,
Severity: SevErr,
Timestamp: time.Now(),
StatusCode: nil,
Message: msg,
WrappedErrType: "",
Caller: callername(2),
OriginalError: nil,
Meta: make(map[string]MetaValue),
}
}
func wrapExErr(e *ExErr, msg string, cat ErrorCategory, stacktraceskip int) *ExErr {
return &ExErr{
UniqueID: newID(),
Category: cat,
Type: TypeWrap,
Severity: SevErr,
Timestamp: time.Now(),
StatusCode: e.StatusCode,
Message: msg,
WrappedErrType: "",
Caller: callername(1 + stacktraceskip),
OriginalError: e,
Meta: make(map[string]MetaValue),
}
}
func getForeignMeta(err error) (mm MetaMap) {
mm = make(map[string]MetaValue)
defer func() {
if panicerr := recover(); panicerr != nil {
New(TypePanic, "Panic while trying to get foreign meta").
Str("source", err.Error()).
Interface("panic-object", panicerr).
Stack().
Print()
}
}()
rval := reflect.ValueOf(err)
if rval.Kind() == reflect.Interface || rval.Kind() == reflect.Ptr {
rval = reflect.ValueOf(err).Elem()
}
mm.add("foreign.errortype", MDTString, rval.Type().String())
for k, v := range addMetaPrefix("foreign", getReflectedMetaValues(err, 8)) {
mm[k] = v
}
return mm
}
func getReflectedMetaValues(value interface{}, remainingDepth int) map[string]MetaValue {
if remainingDepth <= 0 {
return map[string]MetaValue{}
}
if langext.IsNil(value) {
return map[string]MetaValue{"": {DataType: MDTNil, Value: nil}}
}
rval := reflect.ValueOf(value)
if rval.Type().Kind() == reflect.Ptr {
if rval.IsNil() {
return map[string]MetaValue{"*": {DataType: MDTNil, Value: nil}}
}
elem := rval.Elem()
return addMetaPrefix("*", getReflectedMetaValues(elem.Interface(), remainingDepth-1))
}
if !rval.CanInterface() {
return map[string]MetaValue{"": {DataType: MDTString, Value: "<<no-interface>>"}}
}
raw := rval.Interface()
switch ifraw := raw.(type) {
case time.Time:
return map[string]MetaValue{"": {DataType: MDTTime, Value: ifraw}}
case time.Duration:
return map[string]MetaValue{"": {DataType: MDTDuration, Value: ifraw}}
case int:
return map[string]MetaValue{"": {DataType: MDTInt, Value: ifraw}}
case int8:
return map[string]MetaValue{"": {DataType: MDTInt8, Value: ifraw}}
case int16:
return map[string]MetaValue{"": {DataType: MDTInt16, Value: ifraw}}
case int32:
return map[string]MetaValue{"": {DataType: MDTInt32, Value: ifraw}}
case int64:
return map[string]MetaValue{"": {DataType: MDTInt64, Value: ifraw}}
case string:
return map[string]MetaValue{"": {DataType: MDTString, Value: ifraw}}
case bool:
return map[string]MetaValue{"": {DataType: MDTBool, Value: ifraw}}
case []byte:
return map[string]MetaValue{"": {DataType: MDTBytes, Value: ifraw}}
case float32:
return map[string]MetaValue{"": {DataType: MDTFloat32, Value: ifraw}}
case float64:
return map[string]MetaValue{"": {DataType: MDTFloat64, Value: ifraw}}
case []int:
return map[string]MetaValue{"": {DataType: MDTIntArray, Value: ifraw}}
case []int32:
return map[string]MetaValue{"": {DataType: MDTInt32Array, Value: ifraw}}
case primitive.ObjectID:
return map[string]MetaValue{"": {DataType: MDTObjectID, Value: ifraw}}
case []string:
return map[string]MetaValue{"": {DataType: MDTStringArray, Value: ifraw}}
}
if rval.Type().Kind() == reflect.Struct {
m := make(map[string]MetaValue)
for i := 0; i < rval.NumField(); i++ {
fieldtype := rval.Type().Field(i)
fieldname := fieldtype.Name
if fieldtype.IsExported() {
for k, v := range addMetaPrefix(fieldname, getReflectedMetaValues(rval.Field(i).Interface(), remainingDepth-1)) {
m[k] = v
}
}
}
return m
}
if rval.Type().ConvertibleTo(reflectTypeStr) {
return map[string]MetaValue{"": {DataType: MDTString, Value: rval.Convert(reflectTypeStr).String()}}
}
jsonval, err := json.Marshal(value)
if err != nil {
panic(err) // gets recovered later up
}
return map[string]MetaValue{"": {DataType: MDTString, Value: string(jsonval)}}
}
func addMetaPrefix(prefix string, m map[string]MetaValue) map[string]MetaValue {
if len(m) == 1 {
for k, v := range m {
if k == "" {
return map[string]MetaValue{prefix: v}
}
}
}
r := make(map[string]MetaValue, len(m))
for k, v := range m {
r[prefix+"."+k] = v
}
return r
}

22
exerr/data.go
View File

@ -1,5 +1,10 @@
package exerr
import (
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"net/http"
)
type ErrorCategory struct{ Category string }
var (
@ -24,9 +29,22 @@ var (
var AllSeverities = []ErrorSeverity{SevTrace, SevDebug, SevInfo, SevWarn, SevErr, SevFatal}
type ErrorType struct{ Key string }
type ErrorType struct {
Key string
DefaultStatusCode *int
}
var (
TypeInternal = ErrorType{"Internal"}
TypeInternal = ErrorType{"Internal", langext.Ptr(http.StatusInternalServerError)}
TypePanic = ErrorType{"Panic", langext.Ptr(http.StatusInternalServerError)}
TypeWrap = ErrorType{"Wrap", nil}
// other values come from pkgconfig
)
type LogPrintLevel string
const (
LogPrintFull LogPrintLevel = "Full"
LogPrintOverview LogPrintLevel = "Overview"
LogPrintShort LogPrintLevel = "Short"
)

40
exerr/errinit.go
View File

@ -1,23 +1,34 @@
package exerr
import (
"fmt"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
)
type ErrorPackageConfig struct {
ZeroLogTraces bool // autom print zerolog logs on CreateError
ZeroLogErrTraces bool // autom print zerolog logs on .Build() (for SevErr and SevFatal)
ZeroLogAllTraces bool // autom print zerolog logs on .Build() (for all Severities)
RecursiveErrors bool // errors contains their Origin-Error
ExtendedGinOutput bool // Log extended data (trace, meta, ...) to gin in err.Output()
Types []ErrorType // all available error-types
}
type ErrorPackageConfigInit struct {
LogTraces bool
ZeroLogErrTraces bool
ZeroLogAllTraces bool
RecursiveErrors bool
InitTypes func(_ func(_ string) ErrorType)
ExtendedGinOutput bool
InitTypes func(_ func(key string, defaultStatusCode *int) ErrorType)
}
var initialized = false
var pkgconfig = ErrorPackageConfig{
ZeroLogTraces: true,
ZeroLogErrTraces: true,
ZeroLogAllTraces: false,
RecursiveErrors: true,
Types: []ErrorType{TypeInternal},
ExtendedGinOutput: false,
Types: []ErrorType{TypeInternal, TypePanic, TypeWrap},
}
// Init initializes the exerr packages
@ -30,8 +41,8 @@ func Init(cfg ErrorPackageConfigInit) {
types := pkgconfig.Types
fnAddType := func(v string) ErrorType {
et := ErrorType{v}
fnAddType := func(key string, defaultStatusCode *int) ErrorType {
et := ErrorType{key, defaultStatusCode}
types = append(types, et)
return et
}
@ -41,10 +52,23 @@ func Init(cfg ErrorPackageConfigInit) {
}
pkgconfig = ErrorPackageConfig{
ZeroLogTraces: cfg.LogTraces,
ZeroLogErrTraces: cfg.ZeroLogErrTraces,
ZeroLogAllTraces: cfg.ZeroLogAllTraces,
RecursiveErrors: cfg.RecursiveErrors,
ExtendedGinOutput: cfg.ExtendedGinOutput,
Types: types,
}
initialized = true
}
func warnOnPkgConfigNotInitialized() {
if !initialized {
fmt.Printf("\n")
fmt.Printf("%s\n", langext.StrRepeat("=", 80))
fmt.Printf("%s\n", "[WARNING] exerr package used without initializiation")
fmt.Printf("%s\n", " call exerr.Init() in your main() function")
fmt.Printf("%s\n", langext.StrRepeat("=", 80))
fmt.Printf("\n")
}
}

171
exerr/exerr.go
View File

@ -1,6 +1,10 @@
package exerr
import (
"github.com/rs/xid"
"github.com/rs/zerolog"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"strings"
"time"
)
@ -12,7 +16,10 @@ type ExErr struct {
Severity ErrorSeverity `json:"severity"`
Type ErrorType `json:"type"`
StatusCode *int `json:"statusCode"`
Message string `json:"message"`
WrappedErrType string `json:"wrappedErrType"`
Caller string `json:"caller"`
OriginalError *ExErr
@ -20,14 +27,166 @@ type ExErr struct {
Meta MetaMap `json:"meta"`
}
func (ee ExErr) Error() string {
func (ee *ExErr) Error() string {
return ee.Message
}
func (ee ExErr) Unwrap() error {
func (ee *ExErr) Unwrap() error {
return ee.OriginalError
}
func (ee ExErr) Is(err error) bool {
func (ee *ExErr) Log(evt *zerolog.Event) {
evt.Msg(ee.FormatLog(LogPrintFull))
}
func (ee *ExErr) FormatLog(lvl LogPrintLevel) string {
if lvl == LogPrintShort {
msg := ee.Message
if ee.OriginalError != nil && ee.OriginalError.Category == CatForeign {
msg = msg + " (" + strings.ReplaceAll(ee.OriginalError.Message, "\n", " ") + ")"
}
if ee.Type != TypeWrap {
return "[" + ee.Type.Key + "] " + msg
} else {
return msg
}
} else if lvl == LogPrintOverview {
str := "[" + ee.RecursiveType().Key + "] <" + ee.UniqueID + "> " + strings.ReplaceAll(ee.RecursiveMessage(), "\n", " ") + "\n"
indent := ""
for curr := ee; curr != nil; curr = curr.OriginalError {
indent += " "
str += indent
str += "-> "
strmsg := strings.Trim(curr.Message, " \r\n\t")
if lbidx := strings.Index(curr.Message, "\n"); lbidx >= 0 {
strmsg = strmsg[0:lbidx]
}
strmsg = langext.StrLimit(strmsg, 61, "...")
str += strmsg
str += "\n"
}
return str
} else if lvl == LogPrintFull {
str := "[" + ee.RecursiveType().Key + "] <" + ee.UniqueID + "> " + strings.ReplaceAll(ee.RecursiveMessage(), "\n", " ") + "\n"
indent := ""
for curr := ee; curr != nil; curr = curr.OriginalError {
indent += " "
etype := ee.Type.Key
if ee.Type == TypeWrap {
etype = "~"
}
str += indent
str += "-> ["
str += etype
if curr.Category == CatForeign {
str += "|Foreign"
}
str += "] "
str += strings.ReplaceAll(curr.Message, "\n", " ")
if curr.Caller != "" {
str += " (@ "
str += curr.Caller
str += ")"
}
str += "\n"
if curr.Meta.Any() {
meta := indent + " {" + curr.Meta.FormatOneLine(240) + "}"
if len(meta) < 200 {
str += meta
str += "\n"
} else {
str += curr.Meta.FormatMultiLine(indent+" ", " ", 1024)
str += "\n"
}
}
}
return str
} else {
return "[?[" + ee.UniqueID + "]?]"
}
}
func (ee *ExErr) ShortLog(evt *zerolog.Event) {
ee.Meta.Apply(evt).Msg(ee.FormatLog(LogPrintShort))
}
// RecursiveMessage returns the message to show
// = first error (top-down) that is not wrapping/foreign/empty
func (ee *ExErr) RecursiveMessage() string {
for curr := ee; curr != nil; curr = curr.OriginalError {
if curr.Message != "" && curr.Category != CatWrap && curr.Category != CatForeign {
return curr.Message
}
}
// fallback to self
return ee.Message
}
// RecursiveType returns the statuscode to use
// = first error (top-down) that is not wrapping/empty
func (ee *ExErr) RecursiveType() ErrorType {
for curr := ee; curr != nil; curr = curr.OriginalError {
if curr.Type != TypeWrap {
return curr.Type
}
}
// fallback to self
return ee.Type
}
// RecursiveStatuscode returns the HTTP Statuscode to use
// = first error (top-down) that has a statuscode set
func (ee *ExErr) RecursiveStatuscode() *int {
for curr := ee; curr != nil; curr = curr.OriginalError {
if curr.StatusCode != nil {
return langext.Ptr(*curr.StatusCode)
}
}
// fallback to <empty>
return nil
}
// RecursiveCategory returns the ErrorCategory to use
// = first error (top-down) that has a statuscode set
func (ee *ExErr) RecursiveCategory() ErrorCategory {
for curr := ee; curr != nil; curr = curr.OriginalError {
if curr.Category != CatWrap {
return curr.Category
}
}
// fallback to <empty>
return ee.Category
}
func (ee *ExErr) Depth() int {
if ee.OriginalError == nil {
return 1
} else {
return ee.OriginalError.Depth() + 1
}
}
func newID() string {
return xid.New().String()
}

81
exerr/gin.go Normal file
View File

@ -0,0 +1,81 @@
package exerr
import (
"context"
"github.com/gin-gonic/gin"
"net/http"
"time"
)
func (ee *ExErr) toJson() gin.H {
json := gin.H{}
if ee.UniqueID != "" {
json["id"] = ee.UniqueID
}
if ee.Category != CatWrap {
json["category"] = ee.Category
}
if ee.Type != TypeWrap {
json["type"] = ee.Type
}
if ee.StatusCode != nil {
json["statuscode"] = ee.StatusCode
}
if ee.Message != "" {
json["message"] = ee.Message
}
if ee.Caller != "" {
json["caller"] = ee.Caller
}
if ee.Severity != SevErr {
json["severity"] = ee.Severity
}
if ee.Timestamp != (time.Time{}) {
json["time"] = ee.Timestamp.Format(time.RFC3339)
}
if ee.OriginalError != nil {
json["original"] = ee.OriginalError.toJson()
}
return json
}
func (ee *ExErr) Output(ctx context.Context, g *gin.Context) {
var statuscode = http.StatusInternalServerError
var baseCat = ee.RecursiveCategory()
var baseType = ee.RecursiveType()
var baseStatuscode = ee.RecursiveStatuscode()
if baseCat == CatUser {
statuscode = http.StatusBadRequest
} else if baseCat == CatSystem {
statuscode = http.StatusInternalServerError
}
if baseStatuscode != nil {
statuscode = *ee.StatusCode
} else if baseType.DefaultStatusCode != nil {
statuscode = *baseType.DefaultStatusCode
}
warnOnPkgConfigNotInitialized()
if pkgconfig.ExtendedGinOutput {
g.JSON(statuscode, gin.H{
"errorid": ee.UniqueID,
"error": ee.RecursiveMessage(),
"errorcategory": ee.RecursiveCategory(),
"errortype": ee.RecursiveType(),
"errodata": ee.toJson(),
})
} else {
g.JSON(statuscode, gin.H{
"errorid": ee.UniqueID,
"error": ee.RecursiveMessage(),
"errorcategory": ee.RecursiveCategory(),
"errortype": ee.RecursiveType(),
})
}
}

86
exerr/helper.go Normal file
View File

@ -0,0 +1,86 @@
package exerr
import "fmt"
// IsType test if the supplied error is of the specified ErrorType.
func IsType(err error, errType ErrorType) bool {
if err == nil {
return false
}
bmerr := fromError(err)
for bmerr != nil {
if bmerr.Type == errType {
return true
}
bmerr = bmerr.OriginalError
}
return false
}
// IsFrom test if the supplied error stems originally from original
func IsFrom(e error, original error) bool {
if e == nil {
return false
}
if e == original {
return true
}
bmerr := fromError(e)
for bmerr == nil {
return false
}
for curr := bmerr; curr != nil; curr = curr.OriginalError {
if curr.Category == CatForeign && curr.Message == original.Error() && curr.WrappedErrType == fmt.Sprintf("%T", original) {
return true
}
}
return false
}
// HasSourceMessage tests if the supplied error stems originally from an error with the message msg
func HasSourceMessage(e error, msg string) bool {
if e == nil {
return false
}
bmerr := fromError(e)
for bmerr == nil {
return false
}
for curr := bmerr; curr != nil; curr = curr.OriginalError {
if curr.OriginalError == nil && curr.Message == msg {
return true
}
}
return false
}
func MessageMatch(e error, matcher func(string) bool) bool {
if e == nil {
return false
}
if matcher(e.Error()) {
return true
}
bmerr := fromError(e)
for bmerr == nil {
return false
}
for curr := bmerr; curr != nil; curr = curr.OriginalError {
if matcher(curr.Message) {
return true
}
}
return false
}

4
exerr/listener.go
View File

@ -13,7 +13,7 @@ const (
MethodFatal Method = "FATAL"
)
type Listener = func(method Method, v ExErr)
type Listener = func(method Method, v *ExErr)
var listenerLock = sync.Mutex{}
var listener = make([]Listener, 0)
@ -26,7 +26,7 @@ func RegisterListener(l Listener) {
}
func (b *Builder) CallListener(m Method) {
valErr := b.toBMError()
valErr := b.errorData
listenerLock.Lock()
defer listenerLock.Unlock()

56
exerr/meta.go
View File

@ -6,7 +6,6 @@ import (
"errors"
"fmt"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
@ -15,6 +14,10 @@ import (
"time"
)
// This is a buffed up map[string]any
// we also save type information of the map-values
// which allows us to deserialize them back into te correct types later
type MetaMap map[string]MetaValue
type metaDataType string
@ -350,11 +353,7 @@ func (v *MetaValue) Deserialize(value string, datatype metaDataType) error {
v.DataType = datatype
return nil
} else {
r, err := valueFromProto(value[1:], MDTString)
if err != nil {
return err
}
v.Value = langext.Ptr(r.Value.(string))
v.Value = langext.Ptr(value[1:])
v.DataType = datatype
return nil
}
@ -586,51 +585,6 @@ func (v MetaValue) ValueString() string {
return "(err)"
}
func valueFromProto(value string, datatype metaDataType) (MetaValue, error) {
obj := MetaValue{}
err := obj.Deserialize(value, datatype)
if err != nil {
return MetaValue{}, err
}
return obj, nil
}
func metaFromProto(proto []*spbmodels.CustomError_MetaValue) MetaMap {
r := make(MetaMap)
for _, v := range proto {
mval, err := valueFromProto(v.Value, metaDataType(v.Type))
if err != nil {
log.Warn().Err(err).Msg("metaFromProto failed for " + v.Key)
continue
}
r[v.Key] = mval
}
return r
}
func (mm MetaMap) ToProto() []*spbmodels.CustomError_MetaValue {
if mm == nil {
return make([]*spbmodels.CustomError_MetaValue, 0)
}
r := make([]*spbmodels.CustomError_MetaValue, 0, len(mm))
for k, v := range mm {
strval, err := v.SerializeValue()
if err != nil {
log.Warn().Err(err).Msg("MetaMap.ToProto failed for " + k)
continue
}
r = append(r, &spbmodels.CustomError_MetaValue{
Key: k,
Type: string(v.DataType),
Value: strval,
})
}
return r
}
func (mm MetaMap) FormatOneLine(singleMaxLen int) string {
r := ""

14
exerr/stacktrace.go Normal file
View File

@ -0,0 +1,14 @@
package exerr
import (
"fmt"
"runtime"
)
func callername(skip int) string {
pc := make([]uintptr, 15)
n := runtime.Callers(skip+2, pc)
frames := runtime.CallersFrames(pc[:n])
frame, _ := frames.Next()
return fmt.Sprintf("%s:%d %s", frame.File, frame.Line, frame.Function)
}

0
exerr/wrapper.go → exerr/typeWrapper.go
View File

1
go.mod
View File

@ -5,6 +5,7 @@ go 1.19
require (
github.com/gin-gonic/gin v1.9.1
github.com/jmoiron/sqlx v1.3.5
github.com/rs/xid v1.5.0
github.com/rs/zerolog v1.29.1
go.mongodb.org/mongo-driver v1.12.0
golang.org/x/crypto v0.11.0

2
go.sum
View File

@ -79,6 +79,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/xid v1.5.0 h1:mKX4bl4iPYJtEIxp6CYiUuLQ/8DYMoz0PUdtGgMFRVc=
github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.29.0 h1:Zes4hju04hjbvkVkOhdl2HpZa+0PmVwigmo8XoORE5w=
github.com/rs/zerolog v1.29.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
github.com/rs/zerolog v1.29.1 h1:cO+d60CHkknCbvzEWxP0S9K6KqyTjrCNUy1LdQLCGPc=

4
goextVersion.go
View File

@ -1,5 +1,5 @@
package goext
const GoextVersion = "0.0.187"
const GoextVersion = "0.0.188"
const GoextVersionTimestamp = "2023-07-24T09:16:37+0200"
const GoextVersionTimestamp = "2023-07-24T10:42:39+0200"