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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,224 @@ | ||
| package coroutines | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log/slog" | ||
|
|
||
| "github.com/resonatehq/resonate/internal/kernel/scheduler" | ||
| "github.com/resonatehq/resonate/internal/kernel/types" | ||
| "github.com/resonatehq/resonate/internal/util" | ||
| "github.com/resonatehq/resonate/pkg/promise" | ||
| ) | ||
|
|
||
| func CompletePromise(t int64, req *types.Request, res func(*types.Response, error)) *scheduler.Coroutine { | ||
| return scheduler.NewCoroutine(fmt.Sprintf("CompletePromise(id=%s)", req.CompletePromise.Id), "CompletePromise", func(s *scheduler.Scheduler, c *scheduler.Coroutine) { | ||
| util.Assert(req.CompletePromise.State.In(promise.Resolved|promise.Rejected|promise.Canceled), "state must be one of resolved, rejected, or canceled") | ||
|
|
||
| if req.CompletePromise.Value.Headers == nil { | ||
| req.CompletePromise.Value.Headers = map[string]string{} | ||
| } | ||
| if req.CompletePromise.Value.Data == nil { | ||
| req.CompletePromise.Value.Data = []byte{} | ||
| } | ||
|
|
||
| submission := &types.Submission{ | ||
| Kind: types.Store, | ||
| Store: &types.StoreSubmission{ | ||
| Transaction: &types.Transaction{ | ||
| Commands: []*types.Command{ | ||
| { | ||
| Kind: types.StoreReadPromise, | ||
| ReadPromise: &types.ReadPromiseCommand{ | ||
| Id: req.CompletePromise.Id, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| c.Yield(submission, func(completion *types.Completion, err error) { | ||
| if err != nil { | ||
| slog.Error("failed to read promise", "req", req, "err", err) | ||
| res(nil, err) | ||
| return | ||
| } | ||
|
|
||
| util.Assert(completion.Store != nil, "completion must not be nil") | ||
|
|
||
| result := completion.Store.Results[0].ReadPromise | ||
| util.Assert(result.RowsReturned == 0 || result.RowsReturned == 1, "result must return 0 or 1 rows") | ||
|
|
||
| if result.RowsReturned == 0 { | ||
| res(&types.Response{ | ||
| Kind: types.CompletePromise, | ||
| CompletePromise: &types.CompletePromiseResponse{ | ||
| Status: types.ResponseNotFound, | ||
| }, | ||
| }, nil) | ||
| } else { | ||
| p, err := result.Records[0].Promise() | ||
| if err != nil { | ||
| slog.Error("failed to parse promise record", "record", result.Records[0], "err", err) | ||
| res(nil, err) | ||
| return | ||
| } | ||
|
|
||
| if p.State == promise.Pending { | ||
| if t >= p.Timeout { | ||
| s.Add(TimeoutPromise(t, p, CompletePromise(t, req, res), func(err error) { | ||
| if err != nil { | ||
| slog.Error("failed to timeout promise", "req", req, "err", err) | ||
| res(nil, err) | ||
| return | ||
| } | ||
|
|
||
| res(&types.Response{ | ||
| Kind: types.CompletePromise, | ||
| CompletePromise: &types.CompletePromiseResponse{ | ||
| Status: types.ResponseForbidden, | ||
| Promise: &promise.Promise{ | ||
| Id: p.Id, | ||
| State: promise.Timedout, | ||
| Param: p.Param, | ||
| Value: promise.Value{ | ||
| Headers: map[string]string{}, | ||
| Ikey: nil, | ||
| Data: []byte{}, | ||
| }, | ||
| Timeout: p.Timeout, | ||
| Tags: p.Tags, | ||
| CreatedOn: p.CreatedOn, | ||
| CompletedOn: &p.Timeout, | ||
| }, | ||
| }, | ||
| }, nil) | ||
| })) | ||
| } else { | ||
| submission := &types.Submission{ | ||
| Kind: types.Store, | ||
| Store: &types.StoreSubmission{ | ||
| Transaction: &types.Transaction{ | ||
| Commands: []*types.Command{ | ||
| { | ||
| Kind: types.StoreReadSubscriptions, | ||
| ReadSubscriptions: &types.ReadSubscriptionsCommand{ | ||
| PromiseIds: []string{req.CompletePromise.Id}, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| c.Yield(submission, func(completion *types.Completion, err error) { | ||
| if err != nil { | ||
| slog.Error("failed to read subscriptions", "req", req, "err", err) | ||
| res(nil, err) | ||
| return | ||
| } | ||
|
|
||
| util.Assert(completion.Store != nil, "completion must not be nil") | ||
| records := completion.Store.Results[0].ReadSubscriptions.Records | ||
|
|
||
| commands := []*types.Command{ | ||
| { | ||
| Kind: types.StoreUpdatePromise, | ||
| UpdatePromise: &types.UpdatePromiseCommand{ | ||
| Id: req.CompletePromise.Id, | ||
| State: req.CompletePromise.State, | ||
| Value: req.CompletePromise.Value, | ||
| CompletedOn: t, | ||
| }, | ||
| }, | ||
| { | ||
| Kind: types.StoreDeleteTimeout, | ||
| DeleteTimeout: &types.DeleteTimeoutCommand{ | ||
| Id: req.CompletePromise.Id, | ||
| }, | ||
| }, | ||
| { | ||
| Kind: types.StoreDeleteSubscriptions, | ||
| DeleteSubscriptions: &types.DeleteSubscriptionsCommand{ | ||
| PromiseId: req.CompletePromise.Id, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for _, record := range records { | ||
| commands = append(commands, &types.Command{ | ||
| Kind: types.StoreCreateNotification, | ||
| CreateNotification: &types.CreateNotificationCommand{ | ||
| Id: record.Id, | ||
| PromiseId: record.PromiseId, | ||
| Url: record.Url, | ||
| RetryPolicy: record.RetryPolicy, | ||
| Time: t, | ||
| }, | ||
| }) | ||
| } | ||
|
|
||
| submission := &types.Submission{ | ||
| Kind: types.Store, | ||
| Store: &types.StoreSubmission{ | ||
| Transaction: &types.Transaction{ | ||
| Commands: commands, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| c.Yield(submission, func(completion *types.Completion, err error) { | ||
| if err != nil { | ||
| slog.Error("failed to update state", "req", req, "err", err) | ||
| res(nil, err) | ||
| return | ||
| } | ||
|
|
||
| util.Assert(completion.Store != nil, "completion must not be nil") | ||
|
|
||
| result := completion.Store.Results[0].UpdatePromise | ||
| util.Assert(result.RowsAffected == 0 || result.RowsAffected == 1, "result must return 0 or 1 rows") | ||
|
|
||
| if result.RowsAffected == 1 { | ||
| res(&types.Response{ | ||
| Kind: types.CompletePromise, | ||
| CompletePromise: &types.CompletePromiseResponse{ | ||
| Status: types.ResponseCreated, | ||
| Promise: &promise.Promise{ | ||
| Id: p.Id, | ||
| State: req.CompletePromise.State, | ||
| Param: p.Param, | ||
| Value: req.CompletePromise.Value, | ||
| Timeout: p.Timeout, | ||
| Tags: p.Tags, | ||
| CreatedOn: p.CreatedOn, | ||
| CompletedOn: &t, | ||
| }, | ||
| }, | ||
| }, nil) | ||
| } else { | ||
| s.Add(CompletePromise(t, req, res)) | ||
| } | ||
| }) | ||
| }) | ||
| } | ||
| } else { | ||
| var status types.ResponseStatus | ||
| if p.Value.Ikey.Match(req.CompletePromise.Value.Ikey) { | ||
| status = types.ResponseOK | ||
| } else { | ||
| status = types.ResponseForbidden | ||
| } | ||
|
|
||
| res(&types.Response{ | ||
| Kind: types.CompletePromise, | ||
| CompletePromise: &types.CompletePromiseResponse{ | ||
| Status: status, | ||
| Promise: p, | ||
| }, | ||
| }, nil) | ||
| } | ||
| } | ||
| }) | ||
| }) | ||
| } |
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