mirror of https://github.com/dtm-labs/dtm.git
yedongfu
5 years ago
8 changed files with 179 additions and 150 deletions
@ -1,89 +0,0 @@ |
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package examples |
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import ( |
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"github.com/gin-gonic/gin" |
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"github.com/sirupsen/logrus" |
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"github.com/yedf/dtm/common" |
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) |
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func AddRoute(app *gin.Engine) { |
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app.POST(BusiApi+"/TransIn", common.WrapHandler(TransIn)) |
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app.POST(BusiApi+"/TransInCompensate", common.WrapHandler(TransInCompensate)) |
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app.POST(BusiApi+"/TransOut", common.WrapHandler(TransOut)) |
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app.POST(BusiApi+"/TransOutCompensate", common.WrapHandler(TransOutCompensate)) |
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app.GET(BusiApi+"/TransQuery", common.WrapHandler(TransQuery)) |
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logrus.Printf("examples istening at %d", BusiPort) |
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} |
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type M = map[string]interface{} |
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var TransInResult = "" |
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var TransOutResult = "" |
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var TransInCompensateResult = "" |
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var TransOutCompensateResult = "" |
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var TransQueryResult = "" |
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type TransReq struct { |
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Amount int `json:"amount"` |
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TransInFailed bool `json:"transInFailed"` |
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TransOutFailed bool `json:"transOutFailed"` |
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} |
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func TransIn(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := TransReq{} |
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if err := c.BindJSON(&req); err != nil { |
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return nil, err |
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} |
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if req.TransInFailed { |
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logrus.Printf("%s TransIn %v failed", gid, req) |
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return M{"result": "FAIL"}, nil |
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} |
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res := common.OrString(TransInResult, "SUCCESS") |
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logrus.Printf("%s TransIn: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransInCompensate(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := TransReq{} |
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if err := c.BindJSON(&req); err != nil { |
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return nil, err |
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} |
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res := common.OrString(TransInCompensateResult, "SUCCESS") |
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logrus.Printf("%s TransInCompensate: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransOut(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := TransReq{} |
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if err := c.BindJSON(&req); err != nil { |
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return nil, err |
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} |
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if req.TransOutFailed { |
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logrus.Printf("%s TransOut %v failed", gid, req) |
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return M{"result": "FAIL"}, nil |
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} |
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res := common.OrString(TransOutResult, "SUCCESS") |
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logrus.Printf("%s TransOut: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransOutCompensate(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := TransReq{} |
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if err := c.BindJSON(&req); err != nil { |
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return nil, err |
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} |
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res := common.OrString(TransOutCompensateResult, "SUCCESS") |
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logrus.Printf("%s TransOutCompensate: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransQuery(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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logrus.Printf("%s TransQuery", gid) |
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res := common.OrString(TransQueryResult, "SUCCESS") |
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return M{"result": res}, nil |
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} |
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@ -1,41 +0,0 @@ |
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package examples |
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import ( |
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"time" |
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|
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"github.com/sirupsen/logrus" |
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"github.com/yedf/dtm" |
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"github.com/yedf/dtm/common" |
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) |
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func Main() { |
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go StartSvr() |
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FireRequest() |
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time.Sleep(1000 * time.Second) |
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} |
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func FireRequest() { |
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gid := common.GenGid() |
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logrus.Printf("busi transaction begin: %s", gid) |
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req := &TransReq{ |
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Amount: 30, |
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TransInFailed: false, |
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TransOutFailed: false, |
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} |
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saga := dtm.SagaNew(DtmServer, gid, Busi+"/TransQuery") |
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saga.Add(Busi+"/TransIn", Busi+"/TransInCompensate", req) |
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saga.Add(Busi+"/TransOut", Busi+"/TransOutCompensate", req) |
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err := saga.Prepare() |
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common.PanicIfError(err) |
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logrus.Printf("busi trans commit") |
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err = saga.Commit() |
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common.PanicIfError(err) |
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} |
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func StartSvr() { |
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logrus.Printf("examples starting") |
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app := common.GetGinApp() |
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AddRoute(app) |
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app.Run(":8081") |
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} |
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@ -0,0 +1,120 @@ |
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package examples |
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import ( |
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"fmt" |
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"time" |
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|
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"github.com/gin-gonic/gin" |
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"github.com/sirupsen/logrus" |
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"github.com/yedf/dtm" |
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"github.com/yedf/dtm/common" |
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) |
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// 事务参与者的服务地址
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const SagaBusiPort = 8081 |
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const SagaBusiApi = "/api/busi_saga" |
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var SagaBusi = fmt.Sprintf("http://localhost:%d%s", SagaBusiPort, SagaBusiApi) |
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func SagaMain() { |
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go SagaStartSvr() |
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sagaFireRequest() |
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time.Sleep(1000 * time.Second) |
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} |
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func SagaStartSvr() { |
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logrus.Printf("saga examples starting") |
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app := common.GetGinApp() |
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AddRoute(app) |
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app.Run(":8081") |
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} |
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func sagaFireRequest() { |
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gid := common.GenGid() |
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logrus.Printf("busi transaction begin: %s", gid) |
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req := &TransReq{ |
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Amount: 30, |
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TransInResult: "SUCCESS", |
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TransOutResult: "SUCCESS", |
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} |
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saga := dtm.SagaNew(DtmServer, gid, SagaBusi+"/TransQuery") |
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saga.Add(SagaBusi+"/TransIn", SagaBusi+"/TransInCompensate", req) |
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saga.Add(SagaBusi+"/TransOut", SagaBusi+"/TransOutCompensate", req) |
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err := saga.Prepare() |
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common.PanicIfError(err) |
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logrus.Printf("busi trans commit") |
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err = saga.Commit() |
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common.PanicIfError(err) |
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} |
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// api
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func AddRoute(app *gin.Engine) { |
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app.POST(SagaBusiApi+"/TransIn", common.WrapHandler(TransIn)) |
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app.POST(SagaBusiApi+"/TransInCompensate", common.WrapHandler(TransInCompensate)) |
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app.POST(SagaBusiApi+"/TransOut", common.WrapHandler(TransOut)) |
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app.POST(SagaBusiApi+"/TransOutCompensate", common.WrapHandler(TransOutCompensate)) |
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app.GET(SagaBusiApi+"/TransQuery", common.WrapHandler(TransQuery)) |
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logrus.Printf("examples listening at %d", SagaBusiPort) |
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} |
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type M = map[string]interface{} |
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var TransInResult = "" |
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var TransOutResult = "" |
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var TransInCompensateResult = "" |
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var TransOutCompensateResult = "" |
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var TransQueryResult = "" |
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|
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type TransReq struct { |
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Amount int `json:"amount"` |
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TransInResult string `json:"transInResult"` |
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TransOutResult string `json:"transOutResult"` |
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} |
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func transReqFromContext(c *gin.Context) *TransReq { |
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req := TransReq{} |
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err := c.BindJSON(&req) |
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common.PanicIfError(err) |
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return &req |
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} |
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func TransIn(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := transReqFromContext(c) |
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res := common.OrString(TransInResult, req.TransInResult, "SUCCESS") |
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logrus.Printf("%s TransIn: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransInCompensate(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := transReqFromContext(c) |
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res := common.OrString(TransInCompensateResult, "SUCCESS") |
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logrus.Printf("%s TransInCompensate: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransOut(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := transReqFromContext(c) |
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res := common.OrString(TransOutResult, req.TransOutResult, "SUCCESS") |
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logrus.Printf("%s TransOut: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransOutCompensate(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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req := transReqFromContext(c) |
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res := common.OrString(TransOutCompensateResult, "SUCCESS") |
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logrus.Printf("%s TransOutCompensate: %v result: %s", gid, req, res) |
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return M{"result": res}, nil |
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} |
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func TransQuery(c *gin.Context) (interface{}, error) { |
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gid := c.Query("gid") |
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logrus.Printf("%s TransQuery", gid) |
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res := common.OrString(TransQueryResult, "SUCCESS") |
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return M{"result": res}, nil |
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} |
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@ -0,0 +1,34 @@ |
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package examples |
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import ( |
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"fmt" |
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"time" |
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|
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"github.com/sirupsen/logrus" |
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"github.com/yedf/dtm/common" |
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) |
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// 事务参与者的服务地址
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const XaBusiPort = 8082 |
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const XaBusiApi = "/api/busi_xa" |
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var XaBusi = fmt.Sprintf("http://localhost:%d%s", XaBusiPort, XaBusiApi) |
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func XaMain() { |
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go XaStartSvr() |
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xaFireRequest() |
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time.Sleep(1000 * time.Second) |
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} |
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func XaStartSvr() { |
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logrus.Printf("xa examples starting") |
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app := common.GetGinApp() |
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AddRoute(app) |
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app.Run(":8081") |
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} |
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func xaFireRequest() { |
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} |
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// api
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