dm: add TCP connect IO traffic statistics at sync stage status in OpenAPI response

[River2000i]

Is your feature request related to a problem?

need to get more meter detail from openapi

Describe the feature you'd like

/api/v1/tasks/{task-name}/status should return IO counter in sync unit status

dumpstatus and loadstatus fields should response in openapi

// grpc:
type DumpStatus struct {
	TotalTables       int64   `protobuf:"varint,1,opt,name=totalTables,proto3" json:"totalTables,omitempty"`
	CompletedTables   float64 `protobuf:"fixed64,2,opt,name=completedTables,proto3" json:"completedTables,omitempty"`
	FinishedBytes     float64 `protobuf:"fixed64,3,opt,name=finishedBytes,proto3" json:"finishedBytes,omitempty"`
	FinishedRows      float64 `protobuf:"fixed64,4,opt,name=finishedRows,proto3" json:"finishedRows,omitempty"`
	EstimateTotalRows float64 `protobuf:"fixed64,5,opt,name=estimateTotalRows,proto3" json:"estimateTotalRows,omitempty"`
	Bps               int64   `protobuf:"varint,6,opt,name=bps,proto3" json:"bps,omitempty"`
	Progress          string  `protobuf:"bytes,7,opt,name=progress,proto3" json:"progress,omitempty"`
}

type LoadStatus struct {
	FinishedBytes  int64  `protobuf:"varint,1,opt,name=finishedBytes,proto3" json:"finishedBytes,omitempty"`
	TotalBytes     int64  `protobuf:"varint,2,opt,name=totalBytes,proto3" json:"totalBytes,omitempty"`
	Progress       string `protobuf:"bytes,3,opt,name=progress,proto3" json:"progress,omitempty"`
	MetaBinlog     string `protobuf:"bytes,4,opt,name=metaBinlog,proto3" json:"metaBinlog,omitempty"`
	MetaBinlogGTID string `protobuf:"bytes,5,opt,name=metaBinlogGTID,proto3" json:"metaBinlogGTID,omitempty"`
	Bps            int64  `protobuf:"varint,6,opt,name=bps,proto3" json:"bps,omitempty"`
}

// openapi:
type LoadStatus struct {
	FinishedBytes  int64  `json:"finished_bytes"`
	MetaBinlog     string `json:"meta_binlog"`
	MetaBinlogGtid string `json:"meta_binlog_gtid"`
	Progress       string `json:"progress"`
	TotalBytes     int64  `json:"total_bytes"`
}

// status of dump unit
type DumpStatus struct {
	CompletedTables   float64 `json:"completed_tables"`
	EstimateTotalRows float64 `json:"estimate_total_rows"`
	FinishedBytes     float64 `json:"finished_bytes"`
	FinishedRows      float64 `json:"finished_rows"`
	TotalTables       int64   `json:"total_tables"`
}

Describe alternatives you've considered

No response

Teachability, Documentation, Adoption, Migration Strategy

No response