(ctx context.Context, tm *timer.Timer, req interface{})
| 28 | ) |
| 29 | |
| 30 | func (r *Runtime) doLeaderPrepare(ctx context.Context, tm *timer.Timer, req interface{}) (prepareLog *kt.Log, err error) { |
| 31 | defer trace.StartRegion(ctx, "doLeaderPrepare").End() |
| 32 | |
| 33 | // check prepare in leader |
| 34 | if err = r.doCheck(ctx, req); err != nil { |
| 35 | err = errors.Wrap(err, "leader verify log") |
| 36 | return |
| 37 | } |
| 38 | |
| 39 | tm.Add("leader_check") |
| 40 | |
| 41 | // encode request |
| 42 | var encBuf []byte |
| 43 | if encBuf, err = r.doEncodePayload(ctx, req); err != nil { |
| 44 | err = errors.Wrap(err, "encode kayak payload failed") |
| 45 | return |
| 46 | } |
| 47 | |
| 48 | tm.Add("leader_encode_payload") |
| 49 | |
| 50 | // create prepare request |
| 51 | if prepareLog, err = r.leaderLogPrepare(ctx, tm, encBuf); err != nil { |
| 52 | // serve error, leader could not write logs, change leader in block producer |
| 53 | // TODO(): CHANGE LEADER |
| 54 | return |
| 55 | } |
| 56 | |
| 57 | // Leader pending map handling. |
| 58 | r.markPendingPrepare(ctx, prepareLog.Index) |
| 59 | |
| 60 | tm.Add("leader_prepare") |
| 61 | |
| 62 | // send prepare to all nodes |
| 63 | prepareTracker := r.applyRPC(prepareLog, r.minPreparedFollowers) |
| 64 | prepareCtx, prepareCtxCancelFunc := context.WithTimeout(ctx, r.prepareTimeout) |
| 65 | defer prepareCtxCancelFunc() |
| 66 | prepareErrors, prepareDone, _ := prepareTracker.get(prepareCtx) |
| 67 | if !prepareDone { |
| 68 | // timeout, rollback |
| 69 | err = kt.ErrPrepareTimeout |
| 70 | return |
| 71 | } |
| 72 | |
| 73 | tm.Add("follower_prepare") |
| 74 | |
| 75 | // collect errors |
| 76 | err = r.errorSummary(prepareErrors) |
| 77 | |
| 78 | return |
| 79 | } |
| 80 | |
| 81 | func (r *Runtime) doLeaderCommit(ctx context.Context, tm *timer.Timer, prepareLog *kt.Log, req interface{}) ( |
| 82 | result interface{}, logIndex uint64, err error) { |
no test coverage detected