This commit is contained in:
withchao
2023-02-24 15:41:50 +08:00
parent ae8478dc5e
commit d7640ca864
11 changed files with 445 additions and 290 deletions
+40 -43
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@@ -1,58 +1,55 @@
package common
package api2rpc
import (
"OpenIM/pkg/common/constant"
"OpenIM/pkg/common/log"
"OpenIM/pkg/common/tracelog"
utils2 "OpenIM/pkg/utils"
"context"
"fmt"
"github.com/gin-gonic/gin"
"google.golang.org/grpc/status"
"net/http"
"reflect"
"strings"
)
func ApiToRpc(c *gin.Context, apiReq, apiResp interface{}, rpcName string, rpcClientFunc interface{}, rpcFuncName string) {
if rpcName == "" {
rpcName = utils2.GetFuncName(1)
}
logFuncName := fmt.Sprintf("[ApiToRpc: %s]%s", utils2.GetFuncName(1), rpcFuncName)
ctx := tracelog.NewCtx(c, rpcFuncName)
defer log.ShowLog(ctx)
if err := c.BindJSON(apiReq); err != nil {
WriteErrorResponse(ctx, "BindJSON", err)
return
}
tracelog.SetCtxInfo(ctx, logFuncName, nil, "apiReq", apiReq)
etcdConn, err := rpc.GetConn(ctx, rpcName)
if err != nil {
WriteErrorResponse(ctx, "GetConn", err)
return
}
rpcClient := reflect.ValueOf(rpcClientFunc).Call([]reflect.Value{
reflect.ValueOf(etcdConn),
})[0].MethodByName(rpcFuncName) // rpcClient func
rpcReqPtr := reflect.New(rpcClient.Type().In(1).Elem()) // *req
CopyAny(apiReq, rpcReqPtr.Interface())
tracelog.SetCtxInfo(ctx, logFuncName, nil, "opUserID", c.GetString("opUserID"), "callRpcReq", rpcString(rpcReqPtr.Elem().Interface()))
respArr := rpcClient.Call([]reflect.Value{
reflect.ValueOf(context.Context(c)), // context.Context (ctx operationID. opUserID)
rpcReqPtr, // rpcClient apiReq
}) // respArr => (apiResp, error)
if !respArr[1].IsNil() { // rpcClient err != nil
err := respArr[1].Interface().(error)
WriteErrorResponse(ctx, rpcFuncName, err, "callRpcResp", "error")
return
}
rpcResp := respArr[0].Elem()
tracelog.SetCtxInfo(ctx, rpcFuncName, nil, "callRpcResp", rpcString(rpcResp.Interface()))
if apiResp != nil {
CopyAny(rpcResp.Interface(), apiResp)
}
SetSuccess(ctx, rpcFuncName, apiResp)
}
//func ApiToRpc(c *gin.Context, apiReq, apiResp interface{}, rpcName string, rpcClientFunc interface{}, rpcFuncName string) {
// if rpcName == "" {
// rpcName = utils2.GetFuncName(1)
// }
// logFuncName := fmt.Sprintf("[ApiToRpc: %s]%s", utils2.GetFuncName(1), rpcFuncName)
// ctx := tracelog.NewCtx(c, rpcFuncName)
// defer log.ShowLog(ctx)
// if err := c.BindJSON(apiReq); err != nil {
// WriteErrorResponse(ctx, "BindJSON", err)
// return
// }
// tracelog.SetCtxInfo(ctx, logFuncName, nil, "apiReq", apiReq)
// etcdConn, err := rpc.GetConn(ctx, rpcName)
// if err != nil {
// WriteErrorResponse(ctx, "GetConn", err)
// return
// }
// rpcClient := reflect.ValueOf(rpcClientFunc).Call([]reflect.Value{
// reflect.ValueOf(etcdConn),
// })[0].MethodByName(rpcFuncName) // rpcClient func
// rpcReqPtr := reflect.New(rpcClient.Type().In(1).Elem()) // *req
// CopyAny(apiReq, rpcReqPtr.Interface())
// tracelog.SetCtxInfo(ctx, logFuncName, nil, "opUserID", c.GetString("opUserID"), "callRpcReq", rpcString(rpcReqPtr.Elem().Interface()))
// respArr := rpcClient.Call([]reflect.Value{
// reflect.ValueOf(context.Context(c)), // context.Context (ctx operationID. opUserID)
// rpcReqPtr, // rpcClient apiReq
// }) // respArr => (apiResp, error)
// if !respArr[1].IsNil() { // rpcClient err != nil
// err := respArr[1].Interface().(error)
// WriteErrorResponse(ctx, rpcFuncName, err, "callRpcResp", "error")
// return
// }
// rpcResp := respArr[0].Elem()
// tracelog.SetCtxInfo(ctx, rpcFuncName, nil, "callRpcResp", rpcString(rpcResp.Interface()))
// if apiResp != nil {
// CopyAny(rpcResp.Interface(), apiResp)
// }
// SetSuccess(ctx, rpcFuncName, apiResp)
//}
func rpcString(v interface{}) string {
if s, ok := v.(interface{ String() string }); ok {
+15
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@@ -0,0 +1,15 @@
package api2rpc
import (
"context"
)
type Ignore struct{}
type ApiBind[A, B any] interface {
OperationID() string
OpUserID() (string, error)
Bind(*A) error
Context() context.Context
Resp(resp *B, err error)
}
+1
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@@ -0,0 +1 @@
package api2rpc
+1 -1
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@@ -1,4 +1,4 @@
package common
package api2rpc
import (
"fmt"
+67
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@@ -0,0 +1,67 @@
package api2rpc
import (
"context"
"github.com/gin-gonic/gin"
)
//func KickGroupMember(c *gin.Context) {
// // 默认 全部自动
// //var api ApiBind[apistruct.KickGroupMemberReq, apistruct.KickGroupMemberResp] = NewGin[apistruct.KickGroupMemberReq, apistruct.KickGroupMemberResp](c)
// var api ApiBind[apistruct.KickGroupMemberReq, apistruct.KickGroupMemberResp] = nil
// var client func(conn *grpc.ClientConn) group.GroupClient = nil
// var rpc func(ctx context.Context, in *group.KickGroupMemberReq, opts ...grpc.CallOption) (*group.KickGroupMemberResp, error) = nil
// //NewRpc(api, client, rpc).Name("group").Call()
// NewRpc(api, client, rpc).Name("group").Call()
//
// // 可以自定义编辑请求和响应
// //a := NewRpc(NewGin[apistruct.KickGroupMemberReq, apistruct.KickGroupMemberResp](c), "", group.NewGroupClient, group.GroupClient.KickGroupMember)
// //a.Before(func(apiReq *apistruct.KickGroupMemberReq, rpcReq *group.KickGroupMemberReq, bind func() error) error {
// // return bind()
// //}).After(func(rpcResp *group.KickGroupMemberResp, apiResp *apistruct.KickGroupMemberResp, bind func() error) error {
// // return bind()
// //}).Execute()
//}
//
func NewGin[A, B any](c *gin.Context) ApiBind[A, B] {
return &ginApiBind[A, B]{
c: c,
}
}
type ginApiBind[A, B any] struct {
c *gin.Context
}
func (g *ginApiBind[A, B]) OperationID() string {
return g.c.GetHeader("operationID")
}
func (g *ginApiBind[A, B]) OpUserID() (string, error) {
return "", nil
}
func (g *ginApiBind[A, B]) Bind(a *A) error {
return g.c.BindJSON(a)
}
func (g *ginApiBind[A, B]) Resp(resp *B, err error) {
if err == nil {
g.Write(resp)
} else {
g.Error(err)
}
}
func (g *ginApiBind[A, B]) Error(err error) {
//TODO implement me
}
func (g *ginApiBind[A, B]) Write(b *B) {
//TODO implement me
}
func (g *ginApiBind[A, B]) Context() context.Context {
return g.c
}
+97
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@@ -0,0 +1,97 @@
package api2rpc
import (
"context"
"google.golang.org/grpc"
)
// NewRpc A: apiReq B: apiResp C: rpcReq D: rpcResp Z: rpcClient (group.GroupClient)
func NewRpc[A, B any, C, D any, Z any](bind ApiBind[A, B], client func(conn *grpc.ClientConn) Z, rpc func(client Z, ctx context.Context, req *C, options ...grpc.CallOption) (*D, error)) *Rpc[A, B, C, D, Z] {
return &Rpc[A, B, C, D, Z]{
bind: bind,
client: client,
rpc: rpc,
}
}
type Rpc[A, B any, C, D any, Z any] struct {
bind ApiBind[A, B]
name string
client func(conn *grpc.ClientConn) Z
rpc func(client Z, ctx context.Context, req *C, options ...grpc.CallOption) (*D, error)
before func(apiReq *A, rpcReq *C, bind func() error) error
after func(rpcResp *D, apiResp *B, bind func() error) error
}
func (a *Rpc[A, B, C, D, Z]) Name(name string) *Rpc[A, B, C, D, Z] {
a.name = name
return a
}
func (a *Rpc[A, B, C, D, Z]) Before(fn func(apiReq *A, rpcReq *C, bind func() error) error) *Rpc[A, B, C, D, Z] {
a.before = fn
return a
}
func (a *Rpc[A, B, C, D, Z]) After(fn func(rpcResp *D, apiResp *B, bind func() error) error) *Rpc[A, B, C, D, Z] {
a.after = fn
return a
}
func (a *Rpc[A, B, C, D, Z]) defaultCopyReq(apiReq *A, rpcReq *C) error {
CopyAny(apiReq, rpcReq)
return nil
}
func (a *Rpc[A, B, C, D, Z]) defaultCopyResp(rpcResp *D, apiResp *B) error {
CopyAny(rpcResp, apiResp)
return nil
}
func (a *Rpc[A, B, C, D, Z]) GetGrpcConn() (*grpc.ClientConn, error) {
return nil, nil // todo
}
func (a *Rpc[A, B, C, D, Z]) execute() (*B, error) {
var apiReq A
if err := a.bind.Bind(&apiReq); err != nil {
return nil, err
}
opID := a.bind.OperationID()
userID, err := a.bind.OpUserID()
if err != nil {
return nil, err
}
_, _ = opID, userID
var rpcReq C
if a.before == nil {
err = a.defaultCopyReq(&apiReq, &rpcReq)
} else {
err = a.before(&apiReq, &rpcReq, func() error { return a.defaultCopyReq(&apiReq, &rpcReq) })
}
if err != nil {
return nil, err
}
conn, err := a.GetGrpcConn()
if err != nil {
return nil, err
}
rpcResp, err := a.rpc(a.client(conn), a.bind.Context(), &rpcReq)
if err != nil {
return nil, err
}
var apiResp B
if a.after == nil {
err = a.defaultCopyResp(rpcResp, &apiResp)
} else {
err = a.after(rpcResp, &apiResp, func() error { return a.defaultCopyResp(rpcResp, &apiResp) })
}
if err != nil {
return nil, err
}
return &apiResp, nil
}
func (a *Rpc[A, B, C, D, Z]) Call() {
a.bind.Resp(a.execute())
}