linux 有名管道c++，golang

linux C++ 有名管道_dasgk的专栏-优快云博客

又比如，os.Pipe函数可以创建命名管道，而os/exec代码包则对另一类管道（匿名管道）提供了支持。对于 socket，Go 语言与之相应的程序实体都在其标准库的net代码包中。

Golang实现匿名管道_泡狐的博客-优快云博客_golang stdoutpipe

golang 有名管道通信 总结分析

golang 有名管道通信 总结分析_wjw7869的专栏-优快云博客

/*
 * main.cpp
 *
 *  Created on: Jul 16, 2014
 *      Author: john
 */
 
#include<sys/types.h>
#include<sys/stat.h>
#include<string.h>
#include<iostream>
#include<errno.h>
#include<fcntl.h>
#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
using namespace std;
//#define FIFO_READ "/tmp/writefifo"
#define FIFO_WRITE "/tmp/readfifo"
 
#define BUF_SIZE 1024
 
int main()
{
   int wfd;
    char ubuf[BUF_SIZE]={0};
   umask(0);
   if(mkfifo(FIFO_WRITE,S_IFIFO|0666))
   {
      cout<<"sorry the namedpipe created error"<<strerror(errno)<<endl;
      exit(0);
   }
   umask(0);
  wfd=open(FIFO_WRITE,O_WRONLY);
  if(wfd==-1)
  {
    cout<<"open named pipe error"<<FIFO_WRITE<<strerror(errno)<<endl;
    exit(1);
  }
  cout<<"begin...\n";
  int nCount=0;
  while(1)
  {
	  cout<<"please input the content:"<<endl;
	  cin>>ubuf;
	  if(strcmp(ubuf,"exit")==0)
	  {
		  exit(0);
	  }
	 int leng= write(wfd,ubuf,strlen(ubuf));
	 if(leng>0)
	 {
		 cout<<"write..."<<nCount<<endl;
		 nCount++;
	 }
  }
 
}

/*
 * main.cpp
 *
 *  Created on: Jul 16, 2014
 *      Author: john
 */
 
#include<sys/types.h>
#include<sys/stat.h>
#include<string.h>
#include<iostream>
#include<errno.h>
#include<fcntl.h>
#include<unistd.h>
#include<stdlib.h>
#include<stdio.h>
using namespace std;
#define FIFO_READ "/tmp/readfifo"
 
#define BUF_SIZE 1024
 
int main()
{
   int rfd;
   char ubuf[BUF_SIZE]={0};
   umask(0);
   while((rfd=open(FIFO_READ,O_RDONLY))==-1)
   {
	  cout<<"open..."<<strerror(errno)<<endl;
     sleep(1);
   }
  cout<<"begin...\n";
  int nCount=0;
  while(1)
  {
     int  len=read(rfd,ubuf,BUF_SIZE);
     if(len>0)
     {
       ubuf[len]='\0';
       cout<<"server:"<<ubuf<<endl;
       cout<<"read.."<<nCount<<endl;
       nCount++;
     }
  }
 
}

package main
 
import (
    "fmt"
    "log"
    "os"
    "time"
    "bufio"
    "syscall"
)
 
var pipeFile = "/tmp/pipe.ipc"
 
func main() {
    os.Remove(pipeFile)
    err := syscall.Mkfifo(pipeFile, 0666)
    if err != nil {
        log.Fatal("create named pipe error:", err)
    }
    go write()
    go read()
    for {
        time.Sleep(time.Second * 1000)
    }
}
 
func read(){
    fmt.Println("open a named pipe file for read.")
    file, _ := os.OpenFile(pipeFile, os.O_RDWR, os.ModeNamedPipe)
    reader := bufio.NewReader(file)
 
    for {
        line, err := reader.ReadBytes('\n')
        fmt.Println("read...")
        if err == nil {
            fmt.Print("load string: " + string(line))
        }
    }
}
 
func write() {
    fmt.Println("start schedule writing.")
    f, err := os.OpenFile(pipeFile, os.O_RDWR, 0777)
    if err != nil {
        log.Fatalf("error opening file: %v", err)
    }
    i := 0
    for {
        fmt.Println("write string to named pipe file.")
        f.WriteString(fmt.Sprintf("test write times:%d\n", i))
        i++
        time.Sleep(time.Second)
        if i == 10{
            break
        }
    }
}