0207作业

思维导图

 服务器

enum Type{
	TYPE_REGIST,
	TYPE_LOGIN
};

typedef struct Pack{
	int size;
	enum Type type;
	char buf[2048];

}pack_t;

typedef struct list{
    union Data{
        struct List* tail;
        char str[64];
    }data;
    struct List* next;
    struct List* prev;
}List;

List* create_node(){
    List* H=malloc(sizeof(List));
    H->next=NULL;
    H->prev=NULL;
    H->data.tail=H;
    return H;
}

void insert(List* head,List* p){
    head->data.tail->next=p;
    p->next=head;
    p->prev=head->data.tail;
    p->data.tail=p;
}

void read_pack(pack_t* pack){
 	List* head=create_node();
    int readed_size = 0;
    while(1)
    {
        short data_size = *(short*)(pack->buf+readed_size);
        if(data_size == 0)
        {
            printf("数据解析完毕\n");
            break;
        }
        readed_size += 2;
        List* p=calloc(1,sizeof(List));
        memcpy(p->data.str,pack->buf+readed_size,data_size);
        readed_size +=data_size;
        insert(head,p);
    }	
}

int main(int argc, const char *argv[])
{
	int server=socket(AF_INET,SOCK_STREAM,0);
	struct sockaddr_in addr ={0};
	addr.sin_family=AF_INET;
	addr.sin_port=htons(8888);
	addr.sin_addr.s_addr=inet_addr("0.0.0.0");

	if(bind(server,(addr_t*)&addr,sizeof(addr))==-1){
		perror("bind");
		return 1;
	}

	listen(server,10);
 
	addr_in_t client_addr={0};
	int client_addr_len=sizeof(client_addr);
	int client=accept(server,(struct sockaddr*)&client_addr,&client_addr_len);
	
	while(1){
		pack_t pack={0};
		int pack_size=0;
		read(client,&pack_size,4);
		read(client,(char*)&pack+4,pack_size-4);
		pack.size=pack_size;
		read_pack(&pack);
	}
	return 0;
}