bcmd.c

linux下的人机对话编程

/* Mserver_B_getdata.c */
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include"sg.h"
#include"switch.h"
#include"main.h"

int port_revcmd=8096;
int change_table(int tableId,int value)
{
  
  if((tableId>=0x8000)&&(tableId<=0x8018))
    {  
  SgNode_DynTab[tableId-0x8000][1]=value;
   g_print("/************8888888/%3x\n", SgNode_DynTab[tableId-0x8000][1]);
    }
  else if ((tableId>=0x4000)&&(tableId<=0x4010))
    {   
 SwNode_DynTab[tableId-0x4000][1]=value; 
  g_print("/************/%3x\n", SwNode_DynTab[tableId-0x4000][1]);
    }
}
B_receivecmd()
{

	struct sockaddr_in sin;
	struct sockaddr_in pin;
	int sock_descriptor;
	int temp_sock_descriptor;
	int address_size;
	char x[30];
	char *a="AAAA";
	char *b="BBBB";
	int i,len1,len2;
	FILE *fp; 
while(1)
{
	sock_descriptor=socket(AF_INET,SOCK_STREAM,0);
	if(sock_descriptor==-1)
		{
		perror("call to socket");
         	continue;
		}
	bzero(&sin,sizeof(sin));
	sin.sin_family=AF_INET;
	sin.sin_addr.s_addr=htonl(INADDR_ANY);
	sin.sin_port=htons(port_revcmd);
	if(bind(sock_descriptor,(struct sockaddr *)&sin,sizeof(sin))==-1)
		{
		perror("call to bind");
		close(sock_descriptor);
		sleep(50);
		continue;
		}
	if(listen(sock_descriptor,20)==-1)
		{
		perror("call to listen");
		close(sock_descriptor);
		continue;
		}
      printf("b Accepting connections ...\n");
while(1)
	{
	char buf[800]={};
temp_sock_descriptor=accept(sock_descriptor,(struct sockaddr *)&pin,&address_size);
	if(temp_sock_descriptor==-1)
		{
		perror("call to accept");
		close(sock_descriptor);
		break;;
		}
	if(recv(temp_sock_descriptor,buf,800,0)==-1)
		{
		perror("call to recv");
		close(sock_descriptor);
		break;;
		}
     // printf("\nReceived form client: %s\n",buf);
//receive
if(strlen(buf)!=0)
   {
        
        printf("\nReceive from M machine: %s\n",buf);
        
    int k,rev[2]={};
         char *sp=" ";
        char *tmp;
        int i=1;
       rev[0]=strtoul(strtok(buf,sp),NULL,16);
        while(tmp=strtok(NULL,sp))
               rev[1]=strtoul(tmp,NULL,16);
        change_table(rev[0],rev[1]);
  }
  
	close(temp_sock_descriptor);
    }//while nei bu
 }//while wai bu
}//main