智能家居项目（四）添加Socket服务器功能

1、新建socketContrl.c文件---->添加Socket服务器功能

#include <stdio.h>
#include <wiringPi.h>
#include <wiringSerial.h>
#include "InputCommand.h"
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>         
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>

int socketGetCommand(struct InputCommander *socketMes)
{	
	int c_fd;
	int n_read = 0;
	struct sockaddr_in c_addr;
	memset(&c_addr,0,sizeof(struct sockaddr_in));
	int clen = sizeof(struct sockaddr_in);
	
	c_fd = accept(socketMes->sfd,(struct sockaddr *)&c_addr,&clen);
	
	n_read = read(c_fd,socketMes->command,sizeof(socketMes->command));
	if(n_read == -1){
		perror("read");
	}else if(n_read > 0){
		printf("\nget: %d\n",n_read);
	}else{
		printf("client quit\n");	
	}
	return n_read;
}
int socketInit(struct InputCommander *socketMes,char *ipAdress,char *port)
{
	int s_fd;
	struct sockaddr_in s_addr;                     //定义一个为套接字添加信息的结构体
	memset(&s_addr,0,sizeof(struct sockaddr_in));  //数据的清空处理
	s_fd = socket(AF_INET,SOCK_STREAM,0);          //创建一个服务端套接字
	if(s_fd == -1){
		printf("socket create fail\n");
	}

	s_addr.sin_family = AF_INET;
	s_addr.sin_port = htons(atoi(socketMes->port));
	inet_aton(socketMes->ipAddress,&s_addr.sin_addr);
	
	bind(s_fd,(struct sockaddr *)&s_addr,sizeof(struct sockaddr_in));  //为套接字添加信息

	listen(s_fd,10);
	printf("socket Server listening.....\n");
	socketMes->sfd = s_fd;
	return s_fd;
}
struct InputCommander socketContrl = {

	.commandName = "socketServer",
	.command = {'\0'},
	.port = "8128",
	.ipAddress = "19