// Encode a job to byte slice
func (job *Job) Encode() (data []byte) {
l := len(job.Data)
tl := l + 12
data = make([]byte, tl)
magiccode := common.Uint32ToBytes(job.magicCode)
datatype := common.Uint32ToBytes(job.DataType)
datalength := common.Uint32ToBytes(uint32(l))
for i := 0; i < tl; i++ {
switch {
case i < 4:
data[i] = magiccode[i]
case i < 8:
data[i] = datatype[i-4]
case i < 12:
data[i] = datalength[i-8]
default:
data[i] = job.Data[i-12]
}
}
// Alternative
/*
data = append(data, magiccode[:] ...)
data = append(data, datatype[:] ...)
data = append(data, datalength[:] ...)
data = append(data, job.Data ...)
*/
return
}
// Encode a job to byte slice
func (job *Job) Encode() (data []byte) {
var l int
if job.DataType == common.WORK_FAIL {
l = len(job.Handle)
} else {
l = len(job.Data)
if job.Handle != "" {
l += len(job.Handle) + 1
}
}
data = make([]byte, 0, l+12)
magiccode := common.Uint32ToBytes(job.magicCode)
datatype := common.Uint32ToBytes(job.DataType)
datalength := common.Uint32ToBytes(uint32(l))
data = append(data, magiccode[:]...)
data = append(data, datatype[:]...)
data = append(data, datalength[:]...)
if job.Handle != "" {
data = append(data, []byte(job.Handle)...)
if job.DataType != common.WORK_FAIL {
data = append(data, 0)
}
}
data = append(data, job.Data...)
return
}
// inner add function
func (worker *Worker) addFunc(funcname string, timeout uint32) {
var datatype uint32
var data []byte
if timeout == 0 {
datatype = common.CAN_DO
data = []byte(funcname)
} else {
datatype = common.CAN_DO_TIMEOUT
data = []byte(funcname + "\x00")
t := common.Uint32ToBytes(timeout)
data = append(data, t[:]...)
}
job := newJob(common.REQ, datatype, data)
worker.broadcast(job)
}