UDP 客户端接收数据测试用例

 
#include
#include
#include
#include
#include
#include
#include 
 
 
int main(int argc,char *argv[])
{
 
	int socked =socket(AF_INET,SOCK_DGRAM,0);
	if(socked<0)
	{
		perror("socket error");
		return 1;
	}
 
	struct sockaddr_in local;
	local.sin_family = AF_INET;    
	local.sin_addr.s_addr = inet_addr("192.168.3.83");
	local.sin_port = htons(14550);
	
	if(bind(socked, (struct sockaddr_in*)&local, sizeof(local)) < 0)
	{
		perror("bind error");
		return 2;
	}
	
	struct sockaddr_in sender;
    socklen_t len = sizeof(sender);
 
	char buf[1024] = {0};
	while(1)
	{
		int recv_size = recvfrom(socked, buf, sizeof(buf) - 1, 0, (struct sockaddr*)&sender, &len);
		
		if (recv_size > 0) {
			printf("recv len : %d\n", recv_size);
		}
	}
}