60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package flow
|
|
|
|
import (
|
|
"log"
|
|
"time"
|
|
)
|
|
|
|
// FlowContext 流程的上下文, 用于传递每个流程之间的参数
|
|
type FlowContext struct {
|
|
RootFlow *Flow
|
|
CurrentFlow *FlowNode
|
|
|
|
CurrentWrite []byte // 8 byte
|
|
CurrentRead []byte // 14 byte
|
|
}
|
|
|
|
// Sensor 返回传感器数值, 每次调用都是最新的.
|
|
func (cxt *FlowContext) Sensor() *Sensor {
|
|
buf := make([]byte, 14)
|
|
|
|
operator.portReaderLock.Lock()
|
|
n, err := operator.port.Read(buf)
|
|
cxt.CurrentRead = buf
|
|
operator.portReaderLock.Unlock()
|
|
if err != nil {
|
|
log.Println("read bufferr is error:", err)
|
|
} else {
|
|
|
|
if n == 14 {
|
|
return NewSensor(buf)
|
|
}
|
|
//TODO: 断包, 沾包 处理
|
|
log.Println("读取长度不等于14, len = ", n)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Write 该写入函数包含了 自动封装日志格式
|
|
func (cxt *FlowContext) Write(flag OperatorFlag) {
|
|
|
|
operator.portWriterLock.Lock()
|
|
wbuf := OperatorOption(flag)
|
|
operator.port.Write(wbuf)
|
|
operator.port.Flush()
|
|
cxt.CurrentWrite = wbuf
|
|
operator.portWriterLock.Unlock()
|
|
|
|
if len(wbuf) == 8 {
|
|
flowpath := cxt.CurrentFlow.Path + ">" + cxt.CurrentFlow.Name // 路径
|
|
_, err := operator.oplog.Exec("insert into operator(ts , rootflow, flowpath, writelog, readlog) values(?,?,?,?,?)", time.Now().Unix(), cxt.RootFlow.Name, flowpath, cxt.CurrentWrite, cxt.CurrentRead)
|
|
if err != nil {
|
|
log.Println("日志写入错误: ", err)
|
|
}
|
|
} else {
|
|
log.Println("write buffer len is not equal to 8, now is", len(wbuf), "buf: ", wbuf)
|
|
}
|
|
|
|
}
|