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package jsoff
// implementations of message kinds
import (
"encoding/json"
"fmt"
"net/http"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
// WithData create clone this RPCError object with data attached
func (e *RPCError) WithData(data any) *RPCError {
return &RPCError{e.Code, e.Message, data}
}
// String representation of RPCError object
func (e *RPCError) Error() string {
return fmt.Sprintf("code=%d, message=%s, data=%s", e.Code, e.Message, e.Data)
}
// Convert RPCError to ErrorMessage, reqmsg is the original
// RequestMessage instance, the ErrorMessage will copy reqmsg's id
// property.
func (e RPCError) ToMessage(reqmsg *RequestMessage) *ErrorMessage {
return RPCErrorMessage(reqmsg, e.Code, e.Message, e.Data)
}
// Convert RPCError to ErrorMessage, reqId and traceId can be used to
// compose the result error message
func (e RPCError) ToMessageFromId(reqId any, traceId string) *ErrorMessage {
return RPCErrorMessageFromId(reqId, traceId, e.Code, e.Message, e.Data)
}
// Create a new instance of ErrMessageType
// additional is the information to help identify error details
func NewErrMsgType(additional string) *RPCError {
r := fmt.Sprintf("wrong message type %s", additional)
return &RPCError{ErrMessageType.Code, r, false}
}
// IsRequest() returns if the message is a RequestMessage
func (msg BaseMessage) IsRequest() bool {
return msg.kind == MKRequest
}
// IsNotify() returns if the message is a NotifyMessage
func (msg BaseMessage) IsNotify() bool {
return msg.kind == MKNotify
}
// IsResponse() returns if the message is a RequestMessage or
// NotifyMessage
func (msg BaseMessage) IsResponse() bool {
return msg.IsRequest() || msg.IsNotify()
}
// IsResult() returns if the message is a ResultMessage
func (msg BaseMessage) IsResult() bool {
return msg.kind == MKResult
}
// IsError() returns if the message is a ErrorMessage
func (msg BaseMessage) IsError() bool {
return msg.kind == MKError
}
// IsResultOrError() returns if the message is a ResultMessage or
// ErrorMessage
func (msg BaseMessage) IsResultOrError() bool {
return msg.IsResult() || msg.IsError()
}
// Message methods
func EncodePretty(msg Message) (string, error) {
v := msg.Interface()
bytes, err := json.MarshalIndent(v, "", " ")
//bytes, err := MessageJson(msg).EncodePretty()
if err != nil {
return "", errors.Wrap(err, "json.MarshalIndent")
}
return string(bytes), nil
}
func MessageString(msg Message) string {
bytes, err := MessageBytes(msg)
if err != nil {
panic(err)
}
return string(bytes)
}
func MessageBytes(msg Message) ([]byte, error) {
v := msg.Interface()
return json.Marshal(v)
}
func MustMessageBytes(msg Message) []byte {
bytes, err := MessageBytes(msg)
if err != nil {
panic(err)
}
return bytes
}
func MessageMap(msg Message) (map[string]any, error) {
v := msg.Interface()
m := map[string]any{}
err := DecodeInterface(v, &m)
if err != nil {
return nil, err
} else {
if v, found := m["id"]; found {
if vObj, ok := v.(map[string]any); ok {
if msgId, ok := vObj["Value"]; ok {
m["id"] = msgId
}
}
}
return m, nil
}
}
func (msg *BaseMessage) SetTraceId(traceId string) {
msg.traceId = traceId
}
func (msg BaseMessage) TraceId() string {
return msg.traceId
}
// Log
func (msg RequestMessage) Log() *log.Entry {
return log.WithFields(log.Fields{
"traceid": msg.traceId,
"msgtype": "request",
"msgid": msg.Id,
"method": msg.Method,
})
}
func (msg NotifyMessage) Log() *log.Entry {
return log.WithFields(log.Fields{
"traceid": msg.traceId,
"msgtype": "notify",
"method": msg.Method,
})
}
func (msg ResultMessage) Log() *log.Entry {
return log.WithFields(log.Fields{
"traceid": msg.traceId,
"msgtype": "result",
"msgid": msg.Id,
})
}
func (msg ErrorMessage) Log() *log.Entry {
return log.WithFields(log.Fields{
"traceid": msg.traceId,
"msgtype": "error",
"msgid": msg.Id,
})
}
func (msg RequestMessage) ReplaceId(newId any) Message {
return msg.Clone(newId)
}
func (msg NotifyMessage) ReplaceId(newId any) Message {
panic(NewErrMsgType("ReplaceId"))
}
func (msg ResultMessage) ReplaceId(newId any) Message {
resmsg := rawResultMessage(newId, msg.Result, msg.responseHeader)
resmsg.SetTraceId(msg.TraceId())
return resmsg
}
func (msg ErrorMessage) ReplaceId(newId any) Message {
errmsg := rawErrorMessage(newId, msg.Error, msg.responseHeader)
errmsg.SetTraceId(msg.TraceId())
return errmsg
}
// Must methods
// MustId
func (msg RequestMessage) MustId() any {
return msg.Id
}
func (msg NotifyMessage) MustId() any {
panic(NewErrMsgType("MustId"))
}
func (msg ResultMessage) MustId() any {
return msg.Id
}
func (msg ErrorMessage) MustId() any {
return msg.Id
}
// MustMethod
func (msg RequestMessage) MustMethod() string {
return msg.Method
}
func (msg NotifyMessage) MustMethod() string {
return msg.Method
}
func (msg ResultMessage) MustMethod() string {
panic(NewErrMsgType("MustMethod"))
}
func (msg ErrorMessage) MustMethod() string {
panic(NewErrMsgType("MustMethod"))
}
// MustParams
func (msg RequestMessage) MustParams() []any {
return msg.Params
}
func (msg NotifyMessage) MustParams() []any {
return msg.Params
}
func (msg ResultMessage) MustParams() []any {
panic(NewErrMsgType("MustParams"))
}
func (msg ErrorMessage) MustParams() []any {
panic(NewErrMsgType("MustParams"))
}
// MustResult
func (msg RequestMessage) MustResult() any {
panic(NewErrMsgType("MustResult"))
}
func (msg NotifyMessage) MustResult() any {
panic(NewErrMsgType("MustResult"))
}
func (msg ResultMessage) MustResult() any {
return msg.Result
}
func (msg ErrorMessage) MustResult() any {
panic(NewErrMsgType("MustResult"))
}
// MustError
func (msg RequestMessage) MustError() *RPCError {
panic(NewErrMsgType("MustError"))
}
func (msg NotifyMessage) MustError() *RPCError {
panic(NewErrMsgType("MustError"))
}
func (msg ResultMessage) MustError() *RPCError {
panic(NewErrMsgType("MustError"))
}
func (msg ErrorMessage) MustError() *RPCError {
return msg.Error
}
// Interface
func (msg *RequestMessage) Interface() any {
tmp := &templateRequest{
Jsonrpc: "2.0",
TraceId: msg.TraceId(),
Method: msg.Method,
Id: msgIdT{Value: msg.Id, isSet: true},
}
if msg.paramsAreList || len(msg.Params) == 0 {
tmp.Params = msg.Params
} else {
tmp.Params = msg.Params[0]
}
return tmp
}
func (msg *NotifyMessage) Interface() any {
tmp := &templateNotify{
Jsonrpc: "2.0",
TraceId: msg.TraceId(),
Method: msg.Method,
}
if msg.paramsAreList || len(msg.Params) == 0 {
tmp.Params = msg.Params
} else {
tmp.Params = msg.Params[0]
}
return tmp
}
func (msg *ResultMessage) Interface() any {
tmp := &templateResult{
Jsonrpc: "2.0",
TraceId: msg.TraceId(),
Id: msgIdT{Value: msg.Id, isSet: true},
Result: msg.Result,
}
return tmp
}
func (msg *ErrorMessage) Interface() any {
tmp := &templateError{
Jsonrpc: "2.0",
TraceId: msg.TraceId(),
Id: msgIdT{Value: msg.Id, isSet: true},
Error: msg.Error,
}
return tmp
}
func NewRequestMessage(id any, method string, params any) *RequestMessage {
if method == "" {
panic(ErrEmptyMethod)
}
msg := &RequestMessage{}
msg.kind = MKRequest
msg.Id = id
msg.Method = method
msg.paramsAreList = true
if params == nil {
msg.Params = []any{}
} else if arr, ok := params.([]any); ok {
if arr == nil {
arr = []any{}
}
msg.Params = arr
} else {
msg.Params = []any{params}
msg.paramsAreList = false
}
return msg
}
func (msg RequestMessage) Clone(newId any) *RequestMessage {
newReq := NewRequestMessage(newId, msg.Method, msg.Params)
newReq.SetTraceId(msg.traceId)
return newReq
}
func (msg RequestMessage) CacheKey(prefix string) string {
paramBytes, err := json.Marshal(msg.Params)
if err != nil {
panic(err)
}
return fmt.Sprintf("%s%s%s", prefix, msg.Method, string(paramBytes))
}
func NewNotifyMessage(method string, params any) *NotifyMessage {
if method == "" {
panic(ErrEmptyMethod)
}
msg := &NotifyMessage{}
msg.kind = MKNotify
msg.Method = method
msg.paramsAreList = true
if params == nil {
msg.Params = []any{}
} else if arr, ok := params.([]any); ok {
if arr == nil {
arr = []any{}
}
msg.Params = arr
} else {
msg.Params = []any{params}
msg.paramsAreList = false
}
return msg
}
func rawResultMessage(id any, result any, responseHeader http.Header) *ResultMessage {
msg := &ResultMessage{}
msg.kind = MKResult
msg.Id = id
msg.Result = result
msg.responseHeader = responseHeader
return msg
}
// implements ResponseMessage
func (msg ResultMessage) HasResponseHeader() bool {
return msg.responseHeader != nil
}
func (msg *ResultMessage) ResponseHeader() http.Header {
if msg.responseHeader == nil {
msg.responseHeader = http.Header{}
}
return msg.responseHeader
}
func (msg ErrorMessage) HasResponseHeader() bool {
return msg.responseHeader != nil
}
func (msg *ErrorMessage) ResponseHeader() http.Header {
if msg.responseHeader == nil {
msg.responseHeader = http.Header{}
}
return msg.responseHeader
}
func NewResultMessage(reqmsg Message, result any) *ResultMessage {
if reqmsg == nil {
return rawResultMessage(nil, result, nil)
} else {
resmsg := rawResultMessage(reqmsg.MustId(), result, nil)
resmsg.SetTraceId(reqmsg.TraceId())
return resmsg
}
}
func NewErrorMessage(reqmsg Message, errbody *RPCError) *ErrorMessage {
if reqmsg == nil {
return rawErrorMessage(nil, errbody, nil)
}
errmsg := rawErrorMessage(reqmsg.MustId(), errbody, nil)
errmsg.SetTraceId(reqmsg.TraceId())
return errmsg
}
func NewErrorMessageFromId(reqId any, traceId string, errbody *RPCError) *ErrorMessage {
errmsg := rawErrorMessage(reqId, errbody, nil)
errmsg.SetTraceId(traceId)
return errmsg
}
func rawErrorMessage(id any, errbody *RPCError, responseHeader http.Header) *ErrorMessage {
msg := &ErrorMessage{}
msg.kind = MKError
msg.Id = id
msg.Error = errbody
msg.responseHeader = responseHeader
return msg
}
func RPCErrorMessage(reqmsg Message, code int, message string, data any) *ErrorMessage {
errbody := &RPCError{code, message, data}
return NewErrorMessage(reqmsg, errbody)
}
func RPCErrorMessageFromId(reqId any, traceId string, code int, message string, data any) *ErrorMessage {
errbody := &RPCError{code, message, data}
return NewErrorMessageFromId(reqId, traceId, errbody)
}